task: delete vanilla js prototype\n\n- Removed vanilla/ directory and web/dist/vanilla directory\n- Updated Makefile, Dockerfile, and CI workflow to remove vanilla references\n- Cleaned up web/web.go to remove vanilla embed and routes\n- Verified build and tests pass\n\nCloses NK-2tcnmq

81 files changed, 0 insertions, 3957 deletions

diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js
deleted file mode 100644
index aa550de..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/container.js
+++ /dev/null
@@ -1,28 +0,0 @@
-import { Ident } from '../../tokenizer/index.js';
-
-// https://drafts.csswg.org/css-contain-3/#container-rule
-// The keywords `none`, `and`, `not`, and `or` are excluded from the <custom-ident> above.
-const nonContainerNameKeywords = new Set(['none', 'and', 'not', 'or']);
-
-export default {
-    parse: {
-        prelude() {
-            const children = this.createList();
-
-            if (this.tokenType === Ident) {
-                const name = this.substring(this.tokenStart, this.tokenEnd);
-
-                if (!nonContainerNameKeywords.has(name.toLowerCase())) {
-                    children.push(this.Identifier());
-                }
-            }
-
-            children.push(this.Condition('container'));
-
-            return children;
-        },
-        block(nested = false) {
-            return this.Block(nested);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/font-face.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/font-face.js
deleted file mode 100644
index 48a0570..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/font-face.js
+++ /dev/null
@@ -1,8 +0,0 @@
-export default {
-    parse: {
-        prelude: null,
-        block() {
-            return this.Block(true);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/import.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/import.js
deleted file mode 100644
index 4e5a637..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/import.js
+++ /dev/null
@@ -1,104 +0,0 @@
-import {
-    String as StringToken,
-    Ident,
-    Url,
-    Function as FunctionToken,
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-function parseWithFallback(parse, fallback) {
-    return this.parseWithFallback(
-        () => {
-            try {
-                return parse.call(this);
-            } finally {
-                this.skipSC();
-                if (this.lookupNonWSType(0) !== RightParenthesis) {
-                    this.error();
-                }
-            }
-        },
-        fallback || (() => this.Raw(null, true))
-    );
-}
-
-const parseFunctions = {
-    layer() {
-        this.skipSC();
-
-        const children = this.createList();
-        const node = parseWithFallback.call(this, this.Layer);
-
-        if (node.type !== 'Raw' || node.value !== '') {
-            children.push(node);
-        }
-
-        return children;
-    },
-    supports() {
-        this.skipSC();
-
-        const children = this.createList();
-        const node = parseWithFallback.call(
-            this,
-            this.Declaration,
-            () => parseWithFallback.call(this, () => this.Condition('supports'))
-        );
-
-        if (node.type !== 'Raw' || node.value !== '') {
-            children.push(node);
-        }
-
-        return children;
-    }
-};
-
-export default {
-    parse: {
-        prelude() {
-            const children = this.createList();
-
-            switch (this.tokenType) {
-                case StringToken:
-                    children.push(this.String());
-                    break;
-
-                case Url:
-                case FunctionToken:
-                    children.push(this.Url());
-                    break;
-
-                default:
-                    this.error('String or url() is expected');
-            }
-
-            this.skipSC();
-
-            if (this.tokenType === Ident &&
-                this.cmpStr(this.tokenStart, this.tokenEnd, 'layer')) {
-                children.push(this.Identifier());
-            } else if (
-                this.tokenType === FunctionToken &&
-                this.cmpStr(this.tokenStart, this.tokenEnd, 'layer(')
-            ) {
-                children.push(this.Function(null, parseFunctions));
-            }
-
-            this.skipSC();
-
-            if (this.tokenType === FunctionToken &&
-                this.cmpStr(this.tokenStart, this.tokenEnd, 'supports(')) {
-                children.push(this.Function(null, parseFunctions));
-            }
-
-            if (this.lookupNonWSType(0) === Ident ||
-                this.lookupNonWSType(0) === LeftParenthesis) {
-                children.push(this.MediaQueryList());
-            }
-
-            return children;
-        },
-        block: null
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/index.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/index.js
deleted file mode 100644
index 46ac7f8..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/index.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import container from './container.js';
-import fontFace from './font-face.js';
-import importAtrule from './import.js';
-import layer from './layer.js';
-import media from './media.js';
-import nest from './nest.js';
-import page from './page.js';
-import scope from './scope.js';
-import startingStyle from './starting-style.js';
-import supports from './supports.js';
-
-export default {
-    container,
-    'font-face': fontFace,
-    import: importAtrule,
-    layer,
-    media,
-    nest,
-    page,
-    scope,
-    'starting-style': startingStyle,
-    supports
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/layer.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/layer.js
deleted file mode 100644
index 232eb29..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/layer.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.LayerList()
-            );
-        },
-        block() {
-            return this.Block(false);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/media.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/media.js
deleted file mode 100644
index 24d4608..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/media.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.MediaQueryList()
-            );
-        },
-        block(nested = false) {
-            return this.Block(nested);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/nest.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/nest.js
deleted file mode 100644
index 99fc15e..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/nest.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.SelectorList()
-            );
-        },
-        block() {
-            return this.Block(true);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/page.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/page.js
deleted file mode 100644
index 99fc15e..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/page.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.SelectorList()
-            );
-        },
-        block() {
-            return this.Block(true);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/scope.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/scope.js
deleted file mode 100644
index 7185ca1..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/scope.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.Scope()
-            );
-        },
-        block(nested = false) {
-            return this.Block(nested);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/starting-style.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/starting-style.js
deleted file mode 100644
index b964704..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/starting-style.js
+++ /dev/null
@@ -1,8 +0,0 @@
-export default {
-    parse: {
-        prelude: null,
-        block(nested = false) {
-            return this.Block(nested);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/atrule/supports.js b/vanilla/node_modules/css-tree/lib/syntax/atrule/supports.js
deleted file mode 100644
index bdfffce..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/atrule/supports.js
+++ /dev/null
@@ -1,12 +0,0 @@
-export default {
-    parse: {
-        prelude() {
-            return this.createSingleNodeList(
-                this.Condition('supports')
-            );
-        },
-        block(nested = false) {
-            return this.Block(nested);
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/generator.js b/vanilla/node_modules/css-tree/lib/syntax/config/generator.js
deleted file mode 100644
index 82e874c..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/generator.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import * as node from '../node/index-generate.js';
-
-export default {
-    node
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/lexer.js b/vanilla/node_modules/css-tree/lib/syntax/config/lexer.js
deleted file mode 100644
index b479ac5..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/lexer.js
+++ /dev/null
@@ -1,10 +0,0 @@
-import { cssWideKeywords } from '../../lexer/generic-const.js';
-import definitions from '../../data.js';
-import * as node from '../node/index.js';
-
-export default {
-    generic: true,
-    cssWideKeywords,
-    ...definitions,
-    node
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/mix.js b/vanilla/node_modules/css-tree/lib/syntax/config/mix.js
deleted file mode 100644
index f722ceb..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/mix.js
+++ /dev/null
@@ -1,123 +0,0 @@
-function appendOrSet(a, b) {
-    if (typeof b === 'string' && /^\s*\|/.test(b)) {
-        return typeof a === 'string'
-            ? a + b
-            : b.replace(/^\s*\|\s*/, '');
-    }
-
-    return b || null;
-}
-
-function sliceProps(obj, props) {
-    const result = Object.create(null);
-
-    for (const [key, value] of Object.entries(obj)) {
-        if (value) {
-            result[key] = {};
-            for (const prop of Object.keys(value)) {
-                if (props.includes(prop)) {
-                    result[key][prop] = value[prop];
-                }
-            }
-        }
-    }
-
-    return result;
-}
-
-export default function mix(dest, src) {
-    const result = { ...dest };
-
-    for (const [prop, value] of Object.entries(src)) {
-        switch (prop) {
-            case 'generic':
-                result[prop] = Boolean(value);
-                break;
-
-            case 'cssWideKeywords':
-                result[prop] = dest[prop]
-                    ? [...dest[prop], ...value]
-                    : value || [];
-                break;
-
-            case 'units':
-                result[prop] = { ...dest[prop] };
-                for (const [name, patch] of Object.entries(value)) {
-                    result[prop][name] = Array.isArray(patch) ? patch : [];
-                }
-                break;
-
-            case 'atrules':
-                result[prop] = { ...dest[prop] };
-
-                for (const [name, atrule] of Object.entries(value)) {
-                    const exists = result[prop][name] || {};
-                    const current = result[prop][name] = {
-                        prelude: exists.prelude || null,
-                        descriptors: {
-                            ...exists.descriptors
-                        }
-                    };
-
-                    if (!atrule) {
-                        continue;
-                    }
-
-                    current.prelude = atrule.prelude
-                        ? appendOrSet(current.prelude, atrule.prelude)
-                        : current.prelude || null;
-
-                    for (const [descriptorName, descriptorValue] of Object.entries(atrule.descriptors || {})) {
-                        current.descriptors[descriptorName] = descriptorValue
-                            ? appendOrSet(current.descriptors[descriptorName], descriptorValue)
-                            : null;
-                    }
-
-                    if (!Object.keys(current.descriptors).length) {
-                        current.descriptors = null;
-                    }
-                }
-                break;
-
-            case 'types':
-            case 'properties':
-                result[prop] = { ...dest[prop] };
-                for (const [name, syntax] of Object.entries(value)) {
-                    result[prop][name] = appendOrSet(result[prop][name], syntax);
-                }
-                break;
-
-            case 'scope':
-            case 'features':
-                result[prop] = { ...dest[prop] };
-                for (const [name, props] of Object.entries(value)) {
-                    result[prop][name] = { ...result[prop][name], ...props };
-                }
-                break;
-
-            case 'parseContext':
-                result[prop] = {
-                    ...dest[prop],
-                    ...value
-                };
-                break;
-
-            case 'atrule':
-            case 'pseudo':
-                result[prop] = {
-                    ...dest[prop],
-                    ...sliceProps(value, ['parse'])
-                };
-                break;
-
-            case 'node':
-                result[prop] = {
-                    ...dest[prop],
-                    ...sliceProps(value, ['name', 'structure', 'parse', 'generate', 'walkContext'])
-                };
-                break;
-        }
-    }
-
-    return result;
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/parser-selector.js b/vanilla/node_modules/css-tree/lib/syntax/config/parser-selector.js
deleted file mode 100644
index c9e0ee2..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/parser-selector.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { Selector } from '../scope/index.js';
-import pseudo from '../pseudo/index.js';
-import * as node from '../node/index-parse-selector.js';
-
-export default {
-    parseContext: {
-        default: 'SelectorList',
-        selectorList: 'SelectorList',
-        selector: 'Selector'
-    },
-    scope: { Selector },
-    atrule: {},
-    pseudo,
-    node
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/parser.js b/vanilla/node_modules/css-tree/lib/syntax/config/parser.js
deleted file mode 100644
index 0b455aa..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/parser.js
+++ /dev/null
@@ -1,45 +0,0 @@
-import * as scope from '../scope/index.js';
-import atrule from '../atrule/index.js';
-import pseudo from '../pseudo/index.js';
-import * as node from '../node/index-parse.js';
-
-export default {
-    parseContext: {
-        default: 'StyleSheet',
-        stylesheet: 'StyleSheet',
-        atrule: 'Atrule',
-        atrulePrelude(options) {
-            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);
-        },
-        mediaQueryList: 'MediaQueryList',
-        mediaQuery: 'MediaQuery',
-        condition(options) {
-            return this.Condition(options.kind);
-        },
-        rule: 'Rule',
-        selectorList: 'SelectorList',
-        selector: 'Selector',
-        block() {
-            return this.Block(true);
-        },
-        declarationList: 'DeclarationList',
-        declaration: 'Declaration',
-        value: 'Value'
-    },
-    features: {
-        supports: {
-            selector() {
-                return this.Selector();
-            }
-        },
-        container: {
-            style() {
-                return this.Declaration();
-            }
-        }
-    },
-    scope,
-    atrule,
-    pseudo,
-    node
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/config/walker.js b/vanilla/node_modules/css-tree/lib/syntax/config/walker.js
deleted file mode 100644
index 215d024..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/config/walker.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import * as node from '../node/index.js';
-
-export default {
-    node
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/create.js b/vanilla/node_modules/css-tree/lib/syntax/create.js
deleted file mode 100644
index 9bb32c5..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/create.js
+++ /dev/null
@@ -1,55 +0,0 @@
-import { tokenize } from '../tokenizer/index.js';
-import { createParser } from '../parser/create.js';
-import { createGenerator } from '../generator/create.js';
-import { createConvertor } from '../convertor/create.js';
-import { createWalker } from '../walker/create.js';
-import { Lexer } from '../lexer/Lexer.js';
-import mix from './config/mix.js';
-
-function createSyntax(config) {
-    const parse = createParser(config);
-    const walk = createWalker(config);
-    const generate = createGenerator(config);
-    const { fromPlainObject, toPlainObject } = createConvertor(walk);
-
-    const syntax = {
-        lexer: null,
-        createLexer: config => new Lexer(config, syntax, syntax.lexer.structure),
-
-        tokenize,
-        parse,
-        generate,
-
-        walk,
-        find: walk.find,
-        findLast: walk.findLast,
-        findAll: walk.findAll,
-
-        fromPlainObject,
-        toPlainObject,
-
-        fork(extension) {
-            const base = mix({}, config); // copy of config
-
-            return createSyntax(
-                typeof extension === 'function'
-                    ? extension(base) // TODO: remove Object.assign as second parameter
-                    : mix(base, extension)
-            );
-        }
-    };
-
-    syntax.lexer = new Lexer({
-        generic: config.generic,
-        cssWideKeywords: config.cssWideKeywords,
-        units: config.units,
-        types: config.types,
-        atrules: config.atrules,
-        properties: config.properties,
-        node: config.node
-    }, syntax);
-
-    return syntax;
-};
-
-export default config => createSyntax(mix({}, config));
diff --git a/vanilla/node_modules/css-tree/lib/syntax/function/expression.js b/vanilla/node_modules/css-tree/lib/syntax/function/expression.js
deleted file mode 100644
index 040f826..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/function/expression.js
+++ /dev/null
@@ -1,7 +0,0 @@
-// legacy IE function
-// expression( <any-value> )
-export default function() {
-    return this.createSingleNodeList(
-        this.Raw(null, false)
-    );
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/function/var.js b/vanilla/node_modules/css-tree/lib/syntax/function/var.js
deleted file mode 100644
index 010dc0a..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/function/var.js
+++ /dev/null
@@ -1,39 +0,0 @@
-import { Comma, WhiteSpace } from '../../tokenizer/index.js';
-
-// var( <ident> , <value>? )
-export default function() {
-    const children = this.createList();
-
-    this.skipSC();
-
-    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
-    children.push(this.Identifier());
-
-    this.skipSC();
-
-    if (this.tokenType === Comma) {
-        children.push(this.Operator());
-
-        const startIndex = this.tokenIndex;
-        const value = this.parseCustomProperty
-            ? this.Value(null)
-            : this.Raw(this.consumeUntilExclamationMarkOrSemicolon, false);
-
-        if (value.type === 'Value' && value.children.isEmpty) {
-            for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {
-                if (this.lookupType(offset) === WhiteSpace) {
-                    value.children.appendData({
-                        type: 'WhiteSpace',
-                        loc: null,
-                        value: ' '
-                    });
-                    break;
-                }
-            }
-        }
-
-        children.push(value);
-    }
-
-    return children;
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/index.js b/vanilla/node_modules/css-tree/lib/syntax/index.js
deleted file mode 100644
index c8c9152..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/index.js
+++ /dev/null
@@ -1,10 +0,0 @@
-import createSyntax from './create.js';
-import lexerConfig from './config/lexer.js';
-import parserConfig from './config/parser.js';
-import walkerConfig from './config/walker.js';
-
-export default createSyntax({
-    ...lexerConfig,
-    ...parserConfig,
-    ...walkerConfig
-});
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/AnPlusB.js b/vanilla/node_modules/css-tree/lib/syntax/node/AnPlusB.js
deleted file mode 100644
index 05c7e44..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/AnPlusB.js
+++ /dev/null
@@ -1,292 +0,0 @@
-import {
-    isDigit,
-    WhiteSpace,
-    Comment,
-    Ident,
-    Number,
-    Dimension
-} from '../../tokenizer/index.js';
-
-const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
-const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
-const N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)
-const DISALLOW_SIGN = true;
-const ALLOW_SIGN = false;
-
-function checkInteger(offset, disallowSign) {
-    let pos = this.tokenStart + offset;
-    const code = this.charCodeAt(pos);
-
-    if (code === PLUSSIGN || code === HYPHENMINUS) {
-        if (disallowSign) {
-            this.error('Number sign is not allowed');
-        }
-        pos++;
-    }
-
-    for (; pos < this.tokenEnd; pos++) {
-        if (!isDigit(this.charCodeAt(pos))) {
-            this.error('Integer is expected', pos);
-        }
-    }
-}
-
-function checkTokenIsInteger(disallowSign) {
-    return checkInteger.call(this, 0, disallowSign);
-}
-
-function expectCharCode(offset, code) {
-    if (!this.cmpChar(this.tokenStart + offset, code)) {
-        let msg = '';
-
-        switch (code) {
-            case N:
-                msg = 'N is expected';
-                break;
-            case HYPHENMINUS:
-                msg = 'HyphenMinus is expected';
-                break;
-        }
-
-        this.error(msg, this.tokenStart + offset);
-    }
-}
-
-// ... <signed-integer>
-// ... ['+' | '-'] <signless-integer>
-function consumeB() {
-    let offset = 0;
-    let sign = 0;
-    let type = this.tokenType;
-
-    while (type === WhiteSpace || type === Comment) {
-        type = this.lookupType(++offset);
-    }
-
-    if (type !== Number) {
-        if (this.isDelim(PLUSSIGN, offset) ||
-            this.isDelim(HYPHENMINUS, offset)) {
-            sign = this.isDelim(PLUSSIGN, offset) ? PLUSSIGN : HYPHENMINUS;
-
-            do {
-                type = this.lookupType(++offset);
-            } while (type === WhiteSpace || type === Comment);
-
-            if (type !== Number) {
-                this.skip(offset);
-                checkTokenIsInteger.call(this, DISALLOW_SIGN);
-            }
-        } else {
-            return null;
-        }
-    }
-
-    if (offset > 0) {
-        this.skip(offset);
-    }
-
-    if (sign === 0) {
-        type = this.charCodeAt(this.tokenStart);
-        if (type !== PLUSSIGN && type !== HYPHENMINUS) {
-            this.error('Number sign is expected');
-        }
-    }
-
-    checkTokenIsInteger.call(this, sign !== 0);
-    return sign === HYPHENMINUS ? '-' + this.consume(Number) : this.consume(Number);
-}
-
-// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb
-export const name = 'AnPlusB';
-export const structure = {
-    a: [String, null],
-    b: [String, null]
-};
-
-export function parse() {
-    /* eslint-disable brace-style*/
-    const start = this.tokenStart;
-    let a = null;
-    let b = null;
-
-    // <integer>
-    if (this.tokenType === Number) {
-        checkTokenIsInteger.call(this, ALLOW_SIGN);
-        b = this.consume(Number);
-    }
-
-    // -n
-    // -n <signed-integer>
-    // -n ['+' | '-'] <signless-integer>
-    // -n- <signless-integer>
-    // <dashndashdigit-ident>
-    else if (this.tokenType === Ident && this.cmpChar(this.tokenStart, HYPHENMINUS)) {
-        a = '-1';
-
-        expectCharCode.call(this, 1, N);
-
-        switch (this.tokenEnd - this.tokenStart) {
-            // -n
-            // -n <signed-integer>
-            // -n ['+' | '-'] <signless-integer>
-            case 2:
-                this.next();
-                b = consumeB.call(this);
-                break;
-
-            // -n- <signless-integer>
-            case 3:
-                expectCharCode.call(this, 2, HYPHENMINUS);
-
-                this.next();
-                this.skipSC();
-
-                checkTokenIsInteger.call(this, DISALLOW_SIGN);
-
-                b = '-' + this.consume(Number);
-                break;
-
-            // <dashndashdigit-ident>
-            default:
-                expectCharCode.call(this, 2, HYPHENMINUS);
-                checkInteger.call(this, 3, DISALLOW_SIGN);
-                this.next();
-
-                b = this.substrToCursor(start + 2);
-        }
-    }
-
-    // '+'? n
-    // '+'? n <signed-integer>
-    // '+'? n ['+' | '-'] <signless-integer>
-    // '+'? n- <signless-integer>
-    // '+'? <ndashdigit-ident>
-    else if (this.tokenType === Ident || (this.isDelim(PLUSSIGN) && this.lookupType(1) === Ident)) {
-        let sign = 0;
-        a = '1';
-
-        // just ignore a plus
-        if (this.isDelim(PLUSSIGN)) {
-            sign = 1;
-            this.next();
-        }
-
-        expectCharCode.call(this, 0, N);
-
-        switch (this.tokenEnd - this.tokenStart) {
-            // '+'? n
-            // '+'? n <signed-integer>
-            // '+'? n ['+' | '-'] <signless-integer>
-            case 1:
-                this.next();
-                b = consumeB.call(this);
-                break;
-
-            // '+'? n- <signless-integer>
-            case 2:
-                expectCharCode.call(this, 1, HYPHENMINUS);
-
-                this.next();
-                this.skipSC();
-
-                checkTokenIsInteger.call(this, DISALLOW_SIGN);
-
-                b = '-' + this.consume(Number);
-                break;
-
-            // '+'? <ndashdigit-ident>
-            default:
-                expectCharCode.call(this, 1, HYPHENMINUS);
-                checkInteger.call(this, 2, DISALLOW_SIGN);
-                this.next();
-
-                b = this.substrToCursor(start + sign + 1);
-        }
-    }
-
-    // <ndashdigit-dimension>
-    // <ndash-dimension> <signless-integer>
-    // <n-dimension>
-    // <n-dimension> <signed-integer>
-    // <n-dimension> ['+' | '-'] <signless-integer>
-    else if (this.tokenType === Dimension) {
-        const code = this.charCodeAt(this.tokenStart);
-        const sign = code === PLUSSIGN || code === HYPHENMINUS;
-        let i = this.tokenStart + sign;
-
-        for (; i < this.tokenEnd; i++) {
-            if (!isDigit(this.charCodeAt(i))) {
-                break;
-            }
-        }
-
-        if (i === this.tokenStart + sign) {
-            this.error('Integer is expected', this.tokenStart + sign);
-        }
-
-        expectCharCode.call(this, i - this.tokenStart, N);
-        a = this.substring(start, i);
-
-        // <n-dimension>
-        // <n-dimension> <signed-integer>
-        // <n-dimension> ['+' | '-'] <signless-integer>
-        if (i + 1 === this.tokenEnd) {
-            this.next();
-            b = consumeB.call(this);
-        } else {
-            expectCharCode.call(this, i - this.tokenStart + 1, HYPHENMINUS);
-
-            // <ndash-dimension> <signless-integer>
-            if (i + 2 === this.tokenEnd) {
-                this.next();
-                this.skipSC();
-                checkTokenIsInteger.call(this, DISALLOW_SIGN);
-                b = '-' + this.consume(Number);
-            }
-            // <ndashdigit-dimension>
-            else {
-                checkInteger.call(this, i - this.tokenStart + 2, DISALLOW_SIGN);
-                this.next();
-                b = this.substrToCursor(i + 1);
-            }
-        }
-    } else {
-        this.error();
-    }
-
-    if (a !== null && a.charCodeAt(0) === PLUSSIGN) {
-        a = a.substr(1);
-    }
-
-    if (b !== null && b.charCodeAt(0) === PLUSSIGN) {
-        b = b.substr(1);
-    }
-
-    return {
-        type: 'AnPlusB',
-        loc: this.getLocation(start, this.tokenStart),
-        a,
-        b
-    };
-}
-
-export function generate(node) {
-    if (node.a) {
-        const a =
-            node.a === '+1' && 'n' ||
-            node.a ===  '1' && 'n' ||
-            node.a === '-1' && '-n' ||
-            node.a + 'n';
-
-        if (node.b) {
-            const b = node.b[0] === '-' || node.b[0] === '+'
-                ? node.b
-                : '+' + node.b;
-            this.tokenize(a + b);
-        } else {
-            this.tokenize(a);
-        }
-    } else {
-        this.tokenize(node.b);
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Atrule.js b/vanilla/node_modules/css-tree/lib/syntax/node/Atrule.js
deleted file mode 100644
index 99d1284..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Atrule.js
+++ /dev/null
@@ -1,100 +0,0 @@
-import {
-    AtKeyword,
-    Semicolon,
-    LeftCurlyBracket,
-    RightCurlyBracket
-} from '../../tokenizer/index.js';
-
-function consumeRaw() {
-    return this.Raw(this.consumeUntilLeftCurlyBracketOrSemicolon, true);
-}
-
-function isDeclarationBlockAtrule() {
-    for (let offset = 1, type; type = this.lookupType(offset); offset++) {
-        if (type === RightCurlyBracket) {
-            return true;
-        }
-
-        if (type === LeftCurlyBracket ||
-            type === AtKeyword) {
-            return false;
-        }
-    }
-
-    return false;
-}
-
-
-export const name = 'Atrule';
-export const walkContext = 'atrule';
-export const structure = {
-    name: String,
-    prelude: ['AtrulePrelude', 'Raw', null],
-    block: ['Block', null]
-};
-
-export function parse(isDeclaration = false) {
-    const start = this.tokenStart;
-    let name;
-    let nameLowerCase;
-    let prelude = null;
-    let block = null;
-
-    this.eat(AtKeyword);
-
-    name = this.substrToCursor(start + 1);
-    nameLowerCase = name.toLowerCase();
-    this.skipSC();
-
-    // parse prelude
-    if (this.eof === false &&
-        this.tokenType !== LeftCurlyBracket &&
-        this.tokenType !== Semicolon) {
-        if (this.parseAtrulePrelude) {
-            prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name, isDeclaration), consumeRaw);
-        } else {
-            prelude = consumeRaw.call(this, this.tokenIndex);
-        }
-
-        this.skipSC();
-    }
-
-    switch (this.tokenType) {
-        case Semicolon:
-            this.next();
-            break;
-
-        case LeftCurlyBracket:
-            if (hasOwnProperty.call(this.atrule, nameLowerCase) &&
-                typeof this.atrule[nameLowerCase].block === 'function') {
-                block = this.atrule[nameLowerCase].block.call(this, isDeclaration);
-            } else {
-                // TODO: should consume block content as Raw?
-                block = this.Block(isDeclarationBlockAtrule.call(this));
-            }
-
-            break;
-    }
-
-    return {
-        type: 'Atrule',
-        loc: this.getLocation(start, this.tokenStart),
-        name,
-        prelude,
-        block
-    };
-}
-
-export function generate(node) {
-    this.token(AtKeyword, '@' + node.name);
-
-    if (node.prelude !== null) {
-        this.node(node.prelude);
-    }
-
-    if (node.block) {
-        this.node(node.block);
-    } else {
-        this.token(Semicolon, ';');
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/AtrulePrelude.js b/vanilla/node_modules/css-tree/lib/syntax/node/AtrulePrelude.js
deleted file mode 100644
index 5b5645a..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/AtrulePrelude.js
+++ /dev/null
@@ -1,47 +0,0 @@
-import {
-    Semicolon,
-    LeftCurlyBracket
-} from '../../tokenizer/index.js';
-
-export const name = 'AtrulePrelude';
-export const walkContext = 'atrulePrelude';
-export const structure = {
-    children: [[]]
-};
-
-export function parse(name) {
-    let children = null;
-
-    if (name !== null) {
-        name = name.toLowerCase();
-    }
-
-    this.skipSC();
-
-    if (hasOwnProperty.call(this.atrule, name) &&
-        typeof this.atrule[name].prelude === 'function') {
-        // custom consumer
-        children = this.atrule[name].prelude.call(this);
-    } else {
-        // default consumer
-        children = this.readSequence(this.scope.AtrulePrelude);
-    }
-
-    this.skipSC();
-
-    if (this.eof !== true &&
-        this.tokenType !== LeftCurlyBracket &&
-        this.tokenType !== Semicolon) {
-        this.error('Semicolon or block is expected');
-    }
-
-    return {
-        type: 'AtrulePrelude',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/AttributeSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/AttributeSelector.js
deleted file mode 100644
index 8578dad..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/AttributeSelector.js
+++ /dev/null
@@ -1,147 +0,0 @@
-import {
-    Ident,
-    String as StringToken,
-    Delim,
-    LeftSquareBracket,
-    RightSquareBracket
-} from '../../tokenizer/index.js';
-
-const DOLLARSIGN = 0x0024;       // U+0024 DOLLAR SIGN ($)
-const ASTERISK = 0x002A;         // U+002A ASTERISK (*)
-const EQUALSSIGN = 0x003D;       // U+003D EQUALS SIGN (=)
-const CIRCUMFLEXACCENT = 0x005E; // U+005E (^)
-const VERTICALLINE = 0x007C;     // U+007C VERTICAL LINE (|)
-const TILDE = 0x007E;            // U+007E TILDE (~)
-
-function getAttributeName() {
-    if (this.eof) {
-        this.error('Unexpected end of input');
-    }
-
-    const start = this.tokenStart;
-    let expectIdent = false;
-
-    if (this.isDelim(ASTERISK)) {
-        expectIdent = true;
-        this.next();
-    } else if (!this.isDelim(VERTICALLINE)) {
-        this.eat(Ident);
-    }
-
-    if (this.isDelim(VERTICALLINE)) {
-        if (this.charCodeAt(this.tokenStart + 1) !== EQUALSSIGN) {
-            this.next();
-            this.eat(Ident);
-        } else if (expectIdent) {
-            this.error('Identifier is expected', this.tokenEnd);
-        }
-    } else if (expectIdent) {
-        this.error('Vertical line is expected');
-    }
-
-    return {
-        type: 'Identifier',
-        loc: this.getLocation(start, this.tokenStart),
-        name: this.substrToCursor(start)
-    };
-}
-
-function getOperator() {
-    const start = this.tokenStart;
-    const code = this.charCodeAt(start);
-
-    if (code !== EQUALSSIGN &&        // =
-        code !== TILDE &&             // ~=
-        code !== CIRCUMFLEXACCENT &&  // ^=
-        code !== DOLLARSIGN &&        // $=
-        code !== ASTERISK &&          // *=
-        code !== VERTICALLINE         // |=
-    ) {
-        this.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');
-    }
-
-    this.next();
-
-    if (code !== EQUALSSIGN) {
-        if (!this.isDelim(EQUALSSIGN)) {
-            this.error('Equal sign is expected');
-        }
-
-        this.next();
-    }
-
-    return this.substrToCursor(start);
-}
-
-// '[' <wq-name> ']'
-// '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'
-export const name = 'AttributeSelector';
-export const structure = {
-    name: 'Identifier',
-    matcher: [String, null],
-    value: ['String', 'Identifier', null],
-    flags: [String, null]
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    let name;
-    let matcher = null;
-    let value = null;
-    let flags = null;
-
-    this.eat(LeftSquareBracket);
-    this.skipSC();
-
-    name = getAttributeName.call(this);
-    this.skipSC();
-
-    if (this.tokenType !== RightSquareBracket) {
-        // avoid case `[name i]`
-        if (this.tokenType !== Ident) {
-            matcher = getOperator.call(this);
-
-            this.skipSC();
-
-            value = this.tokenType === StringToken
-                ? this.String()
-                : this.Identifier();
-
-            this.skipSC();
-        }
-
-        // attribute flags
-        if (this.tokenType === Ident) {
-            flags = this.consume(Ident);
-
-            this.skipSC();
-        }
-    }
-
-    this.eat(RightSquareBracket);
-
-    return {
-        type: 'AttributeSelector',
-        loc: this.getLocation(start, this.tokenStart),
-        name,
-        matcher,
-        value,
-        flags
-    };
-}
-
-export function generate(node) {
-    this.token(Delim, '[');
-    this.node(node.name);
-
-    if (node.matcher !== null) {
-        this.tokenize(node.matcher);
-        this.node(node.value);
-    }
-
-    if (node.flags !== null) {
-        this.token(Ident, node.flags);
-    }
-
-    this.token(Delim, ']');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Block.js b/vanilla/node_modules/css-tree/lib/syntax/node/Block.js
deleted file mode 100644
index 10bf6fc..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Block.js
+++ /dev/null
@@ -1,95 +0,0 @@
-import {
-    WhiteSpace,
-    Comment,
-    Semicolon,
-    AtKeyword,
-    LeftCurlyBracket,
-    RightCurlyBracket
-} from '../../tokenizer/index.js';
-
-const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
-
-function consumeRaw() {
-    return this.Raw(null, true);
-}
-function consumeRule() {
-    return this.parseWithFallback(this.Rule, consumeRaw);
-}
-function consumeRawDeclaration() {
-    return this.Raw(this.consumeUntilSemicolonIncluded, true);
-}
-function consumeDeclaration() {
-    if (this.tokenType === Semicolon) {
-        return consumeRawDeclaration.call(this, this.tokenIndex);
-    }
-
-    const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
-
-    if (this.tokenType === Semicolon) {
-        this.next();
-    }
-
-    return node;
-}
-
-export const name = 'Block';
-export const walkContext = 'block';
-export const structure = {
-    children: [[
-        'Atrule',
-        'Rule',
-        'Declaration'
-    ]]
-};
-
-export function parse(isStyleBlock) {
-    const consumer = isStyleBlock ? consumeDeclaration : consumeRule;
-    const start = this.tokenStart;
-    let children = this.createList();
-
-    this.eat(LeftCurlyBracket);
-
-    scan:
-    while (!this.eof) {
-        switch (this.tokenType) {
-            case RightCurlyBracket:
-                break scan;
-
-            case WhiteSpace:
-            case Comment:
-                this.next();
-                break;
-
-            case AtKeyword:
-                children.push(this.parseWithFallback(this.Atrule.bind(this, isStyleBlock), consumeRaw));
-                break;
-
-            default:
-                if (isStyleBlock && this.isDelim(AMPERSAND))  {
-                    children.push(consumeRule.call(this));
-                } else {
-                    children.push(consumer.call(this));
-                }
-        }
-    }
-
-    if (!this.eof) {
-        this.eat(RightCurlyBracket);
-    }
-
-    return {
-        type: 'Block',
-        loc: this.getLocation(start, this.tokenStart),
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(LeftCurlyBracket, '{');
-    this.children(node, prev => {
-        if (prev.type === 'Declaration') {
-            this.token(Semicolon, ';');
-        }
-    });
-    this.token(RightCurlyBracket, '}');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Brackets.js b/vanilla/node_modules/css-tree/lib/syntax/node/Brackets.js
deleted file mode 100644
index 1d97a4c..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Brackets.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import {
-    Delim,
-    LeftSquareBracket,
-    RightSquareBracket
-} from '../../tokenizer/index.js';
-
-export const name = 'Brackets';
-export const structure = {
-    children: [[]]
-};
-
-export function parse(readSequence, recognizer) {
-    const start = this.tokenStart;
-    let children = null;
-
-    this.eat(LeftSquareBracket);
-
-    children = readSequence.call(this, recognizer);
-
-    if (!this.eof) {
-        this.eat(RightSquareBracket);
-    }
-
-    return {
-        type: 'Brackets',
-        loc: this.getLocation(start, this.tokenStart),
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(Delim, '[');
-    this.children(node);
-    this.token(Delim, ']');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/CDC.js b/vanilla/node_modules/css-tree/lib/syntax/node/CDC.js
deleted file mode 100644
index efed4a6..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/CDC.js
+++ /dev/null
@@ -1,19 +0,0 @@
-import { CDC } from '../../tokenizer/index.js';
-
-export const name = 'CDC';
-export const structure = [];
-
-export function parse() {
-    const start = this.tokenStart;
-
-    this.eat(CDC); // -->
-
-    return {
-        type: 'CDC',
-        loc: this.getLocation(start, this.tokenStart)
-    };
-}
-
-export function generate() {
-    this.token(CDC, '-->');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/CDO.js b/vanilla/node_modules/css-tree/lib/syntax/node/CDO.js
deleted file mode 100644
index 3a9de89..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/CDO.js
+++ /dev/null
@@ -1,19 +0,0 @@
-import { CDO } from '../../tokenizer/index.js';
-
-export const name = 'CDO';
-export const structure = [];
-
-export function parse() {
-    const start = this.tokenStart;
-
-    this.eat(CDO); // <!--
-
-    return {
-        type: 'CDO',
-        loc: this.getLocation(start, this.tokenStart)
-    };
-}
-
-export function generate() {
-    this.token(CDO, '<!--');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/ClassSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/ClassSelector.js
deleted file mode 100644
index febb0d9..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/ClassSelector.js
+++ /dev/null
@@ -1,24 +0,0 @@
-import { Delim, Ident } from '../../tokenizer/index.js';
-
-const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
-
-// '.' ident
-export const name = 'ClassSelector';
-export const structure = {
-    name: String
-};
-
-export function parse() {
-    this.eatDelim(FULLSTOP);
-
-    return {
-        type: 'ClassSelector',
-        loc: this.getLocation(this.tokenStart - 1, this.tokenEnd),
-        name: this.consume(Ident)
-    };
-}
-
-export function generate(node) {
-    this.token(Delim, '.');
-    this.token(Ident, node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Combinator.js b/vanilla/node_modules/css-tree/lib/syntax/node/Combinator.js
deleted file mode 100644
index 2e5bb1f..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Combinator.js
+++ /dev/null
@@ -1,54 +0,0 @@
-import { WhiteSpace, Delim } from '../../tokenizer/index.js';
-
-const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
-const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
-const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
-const TILDE = 0x007E;           // U+007E TILDE (~)
-
-export const name = 'Combinator';
-export const structure = {
-    name: String
-};
-
-// + | > | ~ | /deep/
-export function parse() {
-    const start = this.tokenStart;
-    let name;
-
-    switch (this.tokenType) {
-        case WhiteSpace:
-            name = ' ';
-            break;
-
-        case Delim:
-            switch (this.charCodeAt(this.tokenStart)) {
-                case GREATERTHANSIGN:
-                case PLUSSIGN:
-                case TILDE:
-                    this.next();
-                    break;
-
-                case SOLIDUS:
-                    this.next();
-                    this.eatIdent('deep');
-                    this.eatDelim(SOLIDUS);
-                    break;
-
-                default:
-                    this.error('Combinator is expected');
-            }
-
-            name = this.substrToCursor(start);
-            break;
-    }
-
-    return {
-        type: 'Combinator',
-        loc: this.getLocation(start, this.tokenStart),
-        name
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Comment.js b/vanilla/node_modules/css-tree/lib/syntax/node/Comment.js
deleted file mode 100644
index 8a9d291..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Comment.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import { Comment } from '../../tokenizer/index.js';
-
-const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
-const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
-
-
-export const name = 'Comment';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    let end = this.tokenEnd;
-
-    this.eat(Comment);
-
-    if ((end - start + 2) >= 2 &&
-        this.charCodeAt(end - 2) === ASTERISK &&
-        this.charCodeAt(end - 1) === SOLIDUS) {
-        end -= 2;
-    }
-
-    return {
-        type: 'Comment',
-        loc: this.getLocation(start, this.tokenStart),
-        value: this.substring(start + 2, end)
-    };
-}
-
-export function generate(node) {
-    this.token(Comment, '/*' + node.value + '*/');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Condition.js b/vanilla/node_modules/css-tree/lib/syntax/node/Condition.js
deleted file mode 100644
index e4b1e0d..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Condition.js
+++ /dev/null
@@ -1,123 +0,0 @@
-import {
-    WhiteSpace,
-    Comment,
-    Ident,
-    LeftParenthesis,
-    RightParenthesis,
-    Function as FunctionToken,
-    Colon,
-    EOF
-} from '../../tokenizer/index.js';
-
-const likelyFeatureToken = new Set([Colon, RightParenthesis, EOF]);
-
-export const name = 'Condition';
-export const structure = {
-    kind: String,
-    children: [[
-        'Identifier',
-        'Feature',
-        'FeatureFunction',
-        'FeatureRange',
-        'SupportsDeclaration'
-    ]]
-};
-
-function featureOrRange(kind) {
-    if (this.lookupTypeNonSC(1) === Ident &&
-        likelyFeatureToken.has(this.lookupTypeNonSC(2))) {
-        return this.Feature(kind);
-    }
-
-    return this.FeatureRange(kind);
-}
-
-const parentheses = {
-    media: featureOrRange,
-    container: featureOrRange,
-    supports() {
-        return this.SupportsDeclaration();
-    }
-};
-
-export function parse(kind = 'media') {
-    const children = this.createList();
-
-    scan: while (!this.eof) {
-        switch (this.tokenType) {
-            case Comment:
-            case WhiteSpace:
-                this.next();
-                continue;
-
-            case Ident:
-                children.push(this.Identifier());
-                break;
-
-            case LeftParenthesis: {
-                let term = this.parseWithFallback(
-                    () => parentheses[kind].call(this, kind),
-                    () => null
-                );
-
-                if (!term) {
-                    term = this.parseWithFallback(
-                        () => {
-                            this.eat(LeftParenthesis);
-                            const res = this.Condition(kind);
-                            this.eat(RightParenthesis);
-                            return res;
-                        },
-                        () => {
-                            return this.GeneralEnclosed(kind);
-                        }
-                    );
-                }
-
-                children.push(term);
-                break;
-            }
-
-            case FunctionToken: {
-                let term = this.parseWithFallback(
-                    () => this.FeatureFunction(kind),
-                    () => null
-                );
-
-                if (!term) {
-                    term = this.GeneralEnclosed(kind);
-                }
-
-                children.push(term);
-                break;
-            }
-
-            default:
-                break scan;
-        }
-    }
-
-    if (children.isEmpty) {
-        this.error('Condition is expected');
-    }
-
-    return {
-        type: 'Condition',
-        loc: this.getLocationFromList(children),
-        kind,
-        children
-    };
-}
-
-export function generate(node) {
-    node.children.forEach(child => {
-        if (child.type === 'Condition') {
-            this.token(LeftParenthesis, '(');
-            this.node(child);
-            this.token(RightParenthesis, ')');
-        } else {
-            this.node(child);
-        }
-    });
-}
-
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Declaration.js b/vanilla/node_modules/css-tree/lib/syntax/node/Declaration.js
deleted file mode 100644
index af3ea60..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Declaration.js
+++ /dev/null
@@ -1,165 +0,0 @@
-import { isCustomProperty } from '../../utils/names.js';
-import {
-    Ident,
-    Hash,
-    Colon,
-    Semicolon,
-    Delim,
-    WhiteSpace
-} from '../../tokenizer/index.js';
-
-const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)
-const NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)
-const DOLLARSIGN = 0x0024;      // U+0024 DOLLAR SIGN ($)
-const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
-const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
-const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
-const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
-
-function consumeValueRaw() {
-    return this.Raw(this.consumeUntilExclamationMarkOrSemicolon, true);
-}
-
-function consumeCustomPropertyRaw() {
-    return this.Raw(this.consumeUntilExclamationMarkOrSemicolon, false);
-}
-
-function consumeValue() {
-    const startValueToken = this.tokenIndex;
-    const value = this.Value();
-
-    if (value.type !== 'Raw' &&
-        this.eof === false &&
-        this.tokenType !== Semicolon &&
-        this.isDelim(EXCLAMATIONMARK) === false &&
-        this.isBalanceEdge(startValueToken) === false) {
-        this.error();
-    }
-
-    return value;
-}
-
-export const name = 'Declaration';
-export const walkContext = 'declaration';
-export const structure = {
-    important: [Boolean, String],
-    property: String,
-    value: ['Value', 'Raw']
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    const startToken = this.tokenIndex;
-    const property = readProperty.call(this);
-    const customProperty = isCustomProperty(property);
-    const parseValue = customProperty ? this.parseCustomProperty : this.parseValue;
-    const consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;
-    let important = false;
-    let value;
-
-    this.skipSC();
-    this.eat(Colon);
-
-    const valueStart = this.tokenIndex;
-
-    if (!customProperty) {
-        this.skipSC();
-    }
-
-    if (parseValue) {
-        value = this.parseWithFallback(consumeValue, consumeRaw);
-    } else {
-        value = consumeRaw.call(this, this.tokenIndex);
-    }
-
-    if (customProperty && value.type === 'Value' && value.children.isEmpty) {
-        for (let offset = valueStart - this.tokenIndex; offset <= 0; offset++) {
-            if (this.lookupType(offset) === WhiteSpace) {
-                value.children.appendData({
-                    type: 'WhiteSpace',
-                    loc: null,
-                    value: ' '
-                });
-                break;
-            }
-        }
-    }
-
-    if (this.isDelim(EXCLAMATIONMARK)) {
-        important = getImportant.call(this);
-        this.skipSC();
-    }
-
-    // Do not include semicolon to range per spec
-    // https://drafts.csswg.org/css-syntax/#declaration-diagram
-
-    if (this.eof === false &&
-        this.tokenType !== Semicolon &&
-        this.isBalanceEdge(startToken) === false) {
-        this.error();
-    }
-
-    return {
-        type: 'Declaration',
-        loc: this.getLocation(start, this.tokenStart),
-        important,
-        property,
-        value
-    };
-}
-
-export function generate(node) {
-    this.token(Ident, node.property);
-    this.token(Colon, ':');
-    this.node(node.value);
-
-    if (node.important) {
-        this.token(Delim, '!');
-        this.token(Ident, node.important === true ? 'important' : node.important);
-    }
-}
-
-function readProperty() {
-    const start = this.tokenStart;
-
-    // hacks
-    if (this.tokenType === Delim) {
-        switch (this.charCodeAt(this.tokenStart)) {
-            case ASTERISK:
-            case DOLLARSIGN:
-            case PLUSSIGN:
-            case NUMBERSIGN:
-            case AMPERSAND:
-                this.next();
-                break;
-
-            // TODO: not sure we should support this hack
-            case SOLIDUS:
-                this.next();
-                if (this.isDelim(SOLIDUS)) {
-                    this.next();
-                }
-                break;
-        }
-    }
-
-    if (this.tokenType === Hash) {
-        this.eat(Hash);
-    } else {
-        this.eat(Ident);
-    }
-
-    return this.substrToCursor(start);
-}
-
-// ! ws* important
-function getImportant() {
-    this.eat(Delim);
-    this.skipSC();
-
-    const important = this.consume(Ident);
-
-    // store original value in case it differ from `important`
-    // for better original source restoring and hacks like `!ie` support
-    return important === 'important' ? true : important;
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/DeclarationList.js b/vanilla/node_modules/css-tree/lib/syntax/node/DeclarationList.js
deleted file mode 100644
index 2b40c99..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/DeclarationList.js
+++ /dev/null
@@ -1,62 +0,0 @@
-import {
-    WhiteSpace,
-    Comment,
-    Semicolon,
-    AtKeyword
-} from '../../tokenizer/index.js';
-
-const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
-
-function consumeRaw() {
-    return this.Raw(this.consumeUntilSemicolonIncluded, true);
-}
-
-export const name = 'DeclarationList';
-export const structure = {
-    children: [[
-        'Declaration',
-        'Atrule',
-        'Rule'
-    ]]
-};
-
-export function parse() {
-    const children = this.createList();
-
-    scan:
-    while (!this.eof) {
-        switch (this.tokenType) {
-            case WhiteSpace:
-            case Comment:
-            case Semicolon:
-                this.next();
-                break;
-
-            case AtKeyword:
-                children.push(this.parseWithFallback(this.Atrule.bind(this, true), consumeRaw));
-                break;
-
-            default:
-                if (this.isDelim(AMPERSAND))  {
-                    children.push(this.parseWithFallback(this.Rule, consumeRaw));
-                } else {
-                    children.push(this.parseWithFallback(this.Declaration, consumeRaw));
-                }
-        }
-    }
-
-    return {
-        type: 'DeclarationList',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node, prev => {
-        if (prev.type === 'Declaration') {
-            this.token(Semicolon, ';');
-        }
-    });
-}
-
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Dimension.js b/vanilla/node_modules/css-tree/lib/syntax/node/Dimension.js
deleted file mode 100644
index 4b9bffc..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Dimension.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import { Dimension } from '../../tokenizer/index.js';
-
-export const name = 'Dimension';
-export const structure = {
-    value: String,
-    unit: String
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    const value = this.consumeNumber(Dimension);
-
-    return {
-        type: 'Dimension',
-        loc: this.getLocation(start, this.tokenStart),
-        value,
-        unit: this.substring(start + value.length, this.tokenStart)
-    };
-}
-
-export function generate(node) {
-    this.token(Dimension, node.value + node.unit);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Feature.js b/vanilla/node_modules/css-tree/lib/syntax/node/Feature.js
deleted file mode 100644
index 2f2dc3d..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Feature.js
+++ /dev/null
@@ -1,103 +0,0 @@
-import {
-    Ident,
-    Number,
-    Dimension,
-    Function as FunctionToken,
-    LeftParenthesis,
-    RightParenthesis,
-    Colon,
-    Delim
-} from '../../tokenizer/index.js';
-
-const SOLIDUS = 0x002F;  // U+002F SOLIDUS (/)
-
-export const name = 'Feature';
-export const structure = {
-    kind: String,
-    name: String,
-    value: ['Identifier', 'Number', 'Dimension', 'Ratio', 'Function', null]
-};
-
-export function parse(kind) {
-    const start = this.tokenStart;
-    let name;
-    let value = null;
-
-    this.eat(LeftParenthesis);
-    this.skipSC();
-
-    name = this.consume(Ident);
-    this.skipSC();
-
-    if (this.tokenType !== RightParenthesis) {
-        this.eat(Colon);
-        this.skipSC();
-
-        switch (this.tokenType) {
-            case Number:
-                if (this.lookupNonWSType(1) === Delim) {
-                    value = this.Ratio();
-                } else {
-                    value = this.Number();
-                }
-
-                break;
-
-            case Dimension:
-                value = this.Dimension();
-                break;
-
-            case Ident:
-                value = this.Identifier();
-                break;
-
-            case FunctionToken:
-                value = this.parseWithFallback(
-                    () => {
-                        const res = this.Function(this.readSequence, this.scope.Value);
-
-                        this.skipSC();
-
-                        if (this.isDelim(SOLIDUS)) {
-                            this.error();
-                        }
-
-                        return res;
-                    },
-                    () => {
-                        return this.Ratio();
-                    }
-                );
-                break;
-
-            default:
-                this.error('Number, dimension, ratio or identifier is expected');
-        }
-
-        this.skipSC();
-    }
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'Feature',
-        loc: this.getLocation(start, this.tokenStart),
-        kind,
-        name,
-        value
-    };
-}
-
-export function generate(node) {
-    this.token(LeftParenthesis, '(');
-    this.token(Ident, node.name);
-
-    if (node.value !== null) {
-        this.token(Colon, ':');
-        this.node(node.value);
-    }
-
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/FeatureFunction.js b/vanilla/node_modules/css-tree/lib/syntax/node/FeatureFunction.js
deleted file mode 100644
index 5869479..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/FeatureFunction.js
+++ /dev/null
@@ -1,63 +0,0 @@
-import {
-    Function as FunctionToken,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'FeatureFunction';
-export const structure = {
-    kind: String,
-    feature: String,
-    value: ['Declaration', 'Selector']
-};
-
-function getFeatureParser(kind, name) {
-    const featuresOfKind = this.features[kind] || {};
-    const parser = featuresOfKind[name];
-
-    if (typeof parser !== 'function') {
-        this.error(`Unknown feature ${name}()`);
-    }
-
-    return parser;
-}
-
-export function parse(kind = 'unknown') {
-    const start = this.tokenStart;
-    const functionName = this.consumeFunctionName();
-    const valueParser = getFeatureParser.call(this, kind, functionName.toLowerCase());
-
-    this.skipSC();
-
-    const value = this.parseWithFallback(
-        () => {
-            const startValueToken = this.tokenIndex;
-            const value = valueParser.call(this);
-
-            if (this.eof === false &&
-                this.isBalanceEdge(startValueToken) === false) {
-                this.error();
-            }
-
-            return value;
-        },
-        () => this.Raw(null, false)
-    );
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'FeatureFunction',
-        loc: this.getLocation(start, this.tokenStart),
-        kind,
-        feature: functionName,
-        value
-    };
-}
-
-export function generate(node) {
-    this.token(FunctionToken, node.feature + '(');
-    this.node(node.value);
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/FeatureRange.js b/vanilla/node_modules/css-tree/lib/syntax/node/FeatureRange.js
deleted file mode 100644
index a83e479..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/FeatureRange.js
+++ /dev/null
@@ -1,133 +0,0 @@
-import {
-    Ident,
-    Number,
-    Dimension,
-    Function as FunctionToken,
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
-const LESSTHANSIGN = 0x003C;    // U+003C LESS-THAN SIGN (<)
-const EQUALSSIGN = 0x003D;      // U+003D EQUALS SIGN (=)
-const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
-
-export const name = 'FeatureRange';
-export const structure = {
-    kind: String,
-    left: ['Identifier', 'Number', 'Dimension', 'Ratio', 'Function'],
-    leftComparison: String,
-    middle: ['Identifier', 'Number', 'Dimension', 'Ratio', 'Function'],
-    rightComparison: [String, null],
-    right: ['Identifier', 'Number', 'Dimension', 'Ratio', 'Function', null]
-};
-
-function readTerm() {
-    this.skipSC();
-
-    switch (this.tokenType) {
-        case Number:
-            if (this.isDelim(SOLIDUS, this.lookupOffsetNonSC(1))) {
-                return this.Ratio();
-            } else {
-                return this.Number();
-            }
-
-        case Dimension:
-            return this.Dimension();
-
-        case Ident:
-            return this.Identifier();
-
-        case FunctionToken:
-            return this.parseWithFallback(
-                () => {
-                    const res = this.Function(this.readSequence, this.scope.Value);
-
-                    this.skipSC();
-
-                    if (this.isDelim(SOLIDUS)) {
-                        this.error();
-                    }
-
-                    return res;
-                },
-                () => {
-                    return this.Ratio();
-                }
-            );
-
-        default:
-            this.error('Number, dimension, ratio or identifier is expected');
-    }
-}
-
-function readComparison(expectColon) {
-    this.skipSC();
-
-    if (this.isDelim(LESSTHANSIGN) ||
-        this.isDelim(GREATERTHANSIGN)) {
-        const value = this.source[this.tokenStart];
-
-        this.next();
-
-        if (this.isDelim(EQUALSSIGN)) {
-            this.next();
-            return value + '=';
-        }
-
-        return value;
-    }
-
-    if (this.isDelim(EQUALSSIGN)) {
-        return '=';
-    }
-
-    this.error(`Expected ${expectColon ? '":", ' : ''}"<", ">", "=" or ")"`);
-}
-
-export function parse(kind = 'unknown') {
-    const start = this.tokenStart;
-
-    this.skipSC();
-    this.eat(LeftParenthesis);
-
-    const left = readTerm.call(this);
-    const leftComparison = readComparison.call(this, left.type === 'Identifier');
-    const middle = readTerm.call(this);
-    let rightComparison = null;
-    let right = null;
-
-    if (this.lookupNonWSType(0) !== RightParenthesis) {
-        rightComparison = readComparison.call(this);
-        right = readTerm.call(this);
-    }
-
-    this.skipSC();
-    this.eat(RightParenthesis);
-
-    return {
-        type: 'FeatureRange',
-        loc: this.getLocation(start, this.tokenStart),
-        kind,
-        left,
-        leftComparison,
-        middle,
-        rightComparison,
-        right
-    };
-}
-
-export function generate(node) {
-    this.token(LeftParenthesis, '(');
-    this.node(node.left);
-    this.tokenize(node.leftComparison);
-    this.node(node.middle);
-
-    if (node.right) {
-        this.tokenize(node.rightComparison);
-        this.node(node.right);
-    }
-
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Function.js b/vanilla/node_modules/css-tree/lib/syntax/node/Function.js
deleted file mode 100644
index 1fdc414..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Function.js
+++ /dev/null
@@ -1,41 +0,0 @@
-import {
-    Function as FunctionToken,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-
-export const name = 'Function';
-export const walkContext = 'function';
-export const structure = {
-    name: String,
-    children: [[]]
-};
-
-// <function-token> <sequence> )
-export function parse(readSequence, recognizer) {
-    const start = this.tokenStart;
-    const name = this.consumeFunctionName();
-    const nameLowerCase = name.toLowerCase();
-    let children;
-
-    children = recognizer.hasOwnProperty(nameLowerCase)
-        ? recognizer[nameLowerCase].call(this, recognizer)
-        : readSequence.call(this, recognizer);
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'Function',
-        loc: this.getLocation(start, this.tokenStart),
-        name,
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(FunctionToken, node.name + '(');
-    this.children(node);
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/GeneralEnclosed.js b/vanilla/node_modules/css-tree/lib/syntax/node/GeneralEnclosed.js
deleted file mode 100644
index 8ac8cae..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/GeneralEnclosed.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import {
-    Function as FunctionToken,
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-
-export const name = 'GeneralEnclosed';
-export const structure = {
-    kind: String,
-    function: [String, null],
-    children: [[]]
-};
-
-// <function-token> <any-value> )
-// ( <any-value> )
-export function parse(kind) {
-    const start = this.tokenStart;
-    let functionName = null;
-
-    if (this.tokenType === FunctionToken) {
-        functionName = this.consumeFunctionName();
-    } else {
-        this.eat(LeftParenthesis);
-    }
-
-    const children = this.parseWithFallback(
-        () => {
-            const startValueToken = this.tokenIndex;
-            const children = this.readSequence(this.scope.Value);
-
-            if (this.eof === false &&
-                this.isBalanceEdge(startValueToken) === false) {
-                this.error();
-            }
-
-            return children;
-        },
-        () => this.createSingleNodeList(
-            this.Raw(null, false)
-        )
-    );
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'GeneralEnclosed',
-        loc: this.getLocation(start, this.tokenStart),
-        kind,
-        function: functionName,
-        children
-    };
-}
-
-export function generate(node) {
-    if (node.function) {
-        this.token(FunctionToken, node.function + '(');
-    } else {
-        this.token(LeftParenthesis, '(');
-    }
-
-    this.children(node);
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Hash.js b/vanilla/node_modules/css-tree/lib/syntax/node/Hash.js
deleted file mode 100644
index b752752..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Hash.js
+++ /dev/null
@@ -1,23 +0,0 @@
-import { Hash } from '../../tokenizer/index.js';
-
-// '#' ident
-export const xxx = 'XXX';
-export const name = 'Hash';
-export const structure = {
-    value: String
-};
-export function parse() {
-    const start = this.tokenStart;
-
-    this.eat(Hash);
-
-    return {
-        type: 'Hash',
-        loc: this.getLocation(start, this.tokenStart),
-        value: this.substrToCursor(start + 1)
-    };
-}
-export function generate(node) {
-    this.token(Hash, '#' + node.value);
-}
-
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/IdSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/IdSelector.js
deleted file mode 100644
index c85c1b2..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/IdSelector.js
+++ /dev/null
@@ -1,26 +0,0 @@
-import { Hash, Delim } from '../../tokenizer/index.js';
-
-export const name = 'IdSelector';
-export const structure = {
-    name: String
-};
-
-export function parse() {
-    const start = this.tokenStart;
-
-    // TODO: check value is an ident
-    this.eat(Hash);
-
-    return {
-        type: 'IdSelector',
-        loc: this.getLocation(start, this.tokenStart),
-        name: this.substrToCursor(start + 1)
-    };
-}
-
-export function generate(node) {
-    // Using Delim instead of Hash is a hack to avoid for a whitespace between ident and id-selector
-    // in safe mode (e.g. "a#id"), because IE11 doesn't allow a sequence <ident-token> <hash-token>
-    // without a whitespace in values (e.g. "1px solid#000")
-    this.token(Delim, '#' + node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Identifier.js b/vanilla/node_modules/css-tree/lib/syntax/node/Identifier.js
deleted file mode 100644
index 067c2d0..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Identifier.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Ident } from '../../tokenizer/index.js';
-
-export const name = 'Identifier';
-export const structure = {
-    name: String
-};
-
-export function parse() {
-    return {
-        type: 'Identifier',
-        loc: this.getLocation(this.tokenStart, this.tokenEnd),
-        name: this.consume(Ident)
-    };
-}
-
-export function generate(node) {
-    this.token(Ident, node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Layer.js b/vanilla/node_modules/css-tree/lib/syntax/node/Layer.js
deleted file mode 100644
index d170dcb..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Layer.js
+++ /dev/null
@@ -1,28 +0,0 @@
-import { Ident, Delim } from '../../tokenizer/index.js';
-
-const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
-
-export const name = 'Layer';
-export const structure = {
-    name: String
-};
-
-export function parse() {
-    let tokenStart = this.tokenStart;
-    let name = this.consume(Ident);
-
-    while (this.isDelim(FULLSTOP)) {
-        this.eat(Delim);
-        name += '.' + this.consume(Ident);
-    }
-
-    return {
-        type: 'Layer',
-        loc: this.getLocation(tokenStart, this.tokenStart),
-        name
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/LayerList.js b/vanilla/node_modules/css-tree/lib/syntax/node/LayerList.js
deleted file mode 100644
index e8a05cd..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/LayerList.js
+++ /dev/null
@@ -1,36 +0,0 @@
-import { Comma } from '../../tokenizer/index.js';
-
-export const name = 'LayerList';
-export const structure = {
-    children: [[
-        'Layer'
-    ]]
-};
-
-export function parse() {
-    const children = this.createList();
-
-    this.skipSC();
-
-    while (!this.eof) {
-        children.push(this.Layer());
-
-        if (this.lookupTypeNonSC(0) !== Comma) {
-            break;
-        }
-
-        this.skipSC();
-        this.next();
-        this.skipSC();
-    }
-
-    return {
-        type: 'LayerList',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node, () => this.token(Comma, ','));
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js b/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js
deleted file mode 100644
index f569c75..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/MediaQuery.js
+++ /dev/null
@@ -1,102 +0,0 @@
-import {
-    Comma,
-    EOF,
-    Ident,
-    LeftCurlyBracket,
-    LeftParenthesis,
-    Function as FunctionToken,
-    Semicolon
-} from '../../tokenizer/index.js';
-
-export const name = 'MediaQuery';
-export const structure = {
-    modifier: [String, null],
-    mediaType: [String, null],
-    condition: ['Condition', null]
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    let modifier = null;
-    let mediaType = null;
-    let condition = null;
-
-    this.skipSC();
-
-    if (this.tokenType === Ident && this.lookupTypeNonSC(1) !== LeftParenthesis) {
-        // [ not | only ]? <media-type>
-        const ident = this.consume(Ident);
-        const identLowerCase = ident.toLowerCase();
-
-        if (identLowerCase === 'not' || identLowerCase === 'only') {
-            this.skipSC();
-            modifier = identLowerCase;
-            mediaType = this.consume(Ident);
-        } else {
-            mediaType = ident;
-        }
-
-        switch (this.lookupTypeNonSC(0)) {
-            case Ident: {
-                // and <media-condition-without-or>
-                this.skipSC();
-                this.eatIdent('and');
-                condition = this.Condition('media');
-                break;
-            }
-
-            case LeftCurlyBracket:
-            case Semicolon:
-            case Comma:
-            case EOF:
-                break;
-
-            default:
-                this.error('Identifier or parenthesis is expected');
-        }
-    } else {
-        switch (this.tokenType) {
-            case Ident:
-            case LeftParenthesis:
-            case FunctionToken: {
-                // <media-condition>
-                condition = this.Condition('media');
-                break;
-            }
-
-            case LeftCurlyBracket:
-            case Semicolon:
-            case EOF:
-                break;
-
-            default:
-                this.error('Identifier or parenthesis is expected');
-        }
-    }
-
-    return {
-        type: 'MediaQuery',
-        loc: this.getLocation(start, this.tokenStart),
-        modifier,
-        mediaType,
-        condition
-    };
-}
-
-export function generate(node) {
-    if (node.mediaType) {
-        if (node.modifier) {
-            this.token(Ident, node.modifier);
-        }
-
-        this.token(Ident, node.mediaType);
-
-        if (node.condition) {
-            this.token(Ident, 'and');
-            this.node(node.condition);
-        }
-    } else if (node.condition) {
-        this.node(node.condition);
-    }
-}
-
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/MediaQueryList.js b/vanilla/node_modules/css-tree/lib/syntax/node/MediaQueryList.js
deleted file mode 100644
index 1c16bcd..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/MediaQueryList.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import { Comma } from '../../tokenizer/index.js';
-
-export const name = 'MediaQueryList';
-export const structure = {
-    children: [[
-        'MediaQuery'
-    ]]
-};
-
-export function parse() {
-    const children = this.createList();
-
-    this.skipSC();
-
-    while (!this.eof) {
-        children.push(this.MediaQuery());
-
-        if (this.tokenType !== Comma) {
-            break;
-        }
-
-        this.next();
-    }
-
-    return {
-        type: 'MediaQueryList',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node, () => this.token(Comma, ','));
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/NestingSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/NestingSelector.js
deleted file mode 100644
index 33c8b6a..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/NestingSelector.js
+++ /dev/null
@@ -1,22 +0,0 @@
-import { Delim } from '../../tokenizer/index.js';
-
-const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
-
-export const name = 'NestingSelector';
-export const structure = {
-};
-
-export function parse() {
-    const start = this.tokenStart;
-
-    this.eatDelim(AMPERSAND);
-
-    return {
-        type: 'NestingSelector',
-        loc: this.getLocation(start, this.tokenStart)
-    };
-}
-
-export function generate() {
-    this.token(Delim, '&');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Nth.js b/vanilla/node_modules/css-tree/lib/syntax/node/Nth.js
deleted file mode 100644
index bfd74a1..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Nth.js
+++ /dev/null
@@ -1,47 +0,0 @@
-import { Ident } from '../../tokenizer/index.js';
-
-export const name = 'Nth';
-export const structure = {
-    nth: ['AnPlusB', 'Identifier'],
-    selector: ['SelectorList', null]
-};
-
-export function parse() {
-    this.skipSC();
-
-    const start = this.tokenStart;
-    let end = start;
-    let selector = null;
-    let nth;
-
-    if (this.lookupValue(0, 'odd') || this.lookupValue(0, 'even')) {
-        nth = this.Identifier();
-    } else {
-        nth = this.AnPlusB();
-    }
-
-    end = this.tokenStart;
-    this.skipSC();
-
-    if (this.lookupValue(0, 'of')) {
-        this.next();
-
-        selector = this.SelectorList();
-        end = this.tokenStart;
-    }
-
-    return {
-        type: 'Nth',
-        loc: this.getLocation(start, end),
-        nth,
-        selector
-    };
-}
-
-export function generate(node) {
-    this.node(node.nth);
-    if (node.selector !== null) {
-        this.token(Ident, 'of');
-        this.node(node.selector);
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Number.js b/vanilla/node_modules/css-tree/lib/syntax/node/Number.js
deleted file mode 100644
index a9d8f0a..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Number.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Number as NumberToken } from '../../tokenizer/index.js';
-
-export const name = 'Number';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    return {
-        type: 'Number',
-        loc: this.getLocation(this.tokenStart, this.tokenEnd),
-        value: this.consume(NumberToken)
-    };
-}
-
-export function generate(node) {
-    this.token(NumberToken, node.value);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Operator.js b/vanilla/node_modules/css-tree/lib/syntax/node/Operator.js
deleted file mode 100644
index 4f1238b..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Operator.js
+++ /dev/null
@@ -1,21 +0,0 @@
-// '/' | '*' | ',' | ':' | '+' | '-'
-export const name = 'Operator';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    const start = this.tokenStart;
-
-    this.next();
-
-    return {
-        type: 'Operator',
-        loc: this.getLocation(start, this.tokenStart),
-        value: this.substrToCursor(start)
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.value);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Parentheses.js b/vanilla/node_modules/css-tree/lib/syntax/node/Parentheses.js
deleted file mode 100644
index 8c6cdb5..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Parentheses.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import {
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'Parentheses';
-export const structure = {
-    children: [[]]
-};
-
-export function parse(readSequence, recognizer) {
-    const start = this.tokenStart;
-    let children = null;
-
-    this.eat(LeftParenthesis);
-
-    children = readSequence.call(this, recognizer);
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'Parentheses',
-        loc: this.getLocation(start, this.tokenStart),
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(LeftParenthesis, '(');
-    this.children(node);
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Percentage.js b/vanilla/node_modules/css-tree/lib/syntax/node/Percentage.js
deleted file mode 100644
index 3c8b628..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Percentage.js
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Percentage } from '../../tokenizer/index.js';
-
-export const name = 'Percentage';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    return {
-        type: 'Percentage',
-        loc: this.getLocation(this.tokenStart, this.tokenEnd),
-        value: this.consumeNumber(Percentage)
-    };
-}
-
-export function generate(node) {
-    this.token(Percentage, node.value + '%');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/PseudoClassSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/PseudoClassSelector.js
deleted file mode 100644
index 584546c..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/PseudoClassSelector.js
+++ /dev/null
@@ -1,65 +0,0 @@
-import {
-    Ident,
-    Function as FunctionToken,
-    Colon,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-
-export const name = 'PseudoClassSelector';
-export const walkContext = 'function';
-export const structure = {
-    name: String,
-    children: [['Raw'], null]
-};
-
-// : [ <ident> | <function-token> <any-value>? ) ]
-export function parse() {
-    const start = this.tokenStart;
-    let children = null;
-    let name;
-    let nameLowerCase;
-
-    this.eat(Colon);
-
-    if (this.tokenType === FunctionToken) {
-        name = this.consumeFunctionName();
-        nameLowerCase = name.toLowerCase();
-
-        if (this.lookupNonWSType(0) == RightParenthesis) {
-            children = this.createList();
-        } else if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
-            this.skipSC();
-            children = this.pseudo[nameLowerCase].call(this);
-            this.skipSC();
-        } else {
-            children = this.createList();
-            children.push(
-                this.Raw(null, false)
-            );
-        }
-
-        this.eat(RightParenthesis);
-    } else {
-        name = this.consume(Ident);
-    }
-
-    return {
-        type: 'PseudoClassSelector',
-        loc: this.getLocation(start, this.tokenStart),
-        name,
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(Colon, ':');
-
-    if (node.children === null) {
-        this.token(Ident, node.name);
-    } else {
-        this.token(FunctionToken, node.name + '(');
-        this.children(node);
-        this.token(RightParenthesis, ')');
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js
deleted file mode 100644
index b23b9a0..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/PseudoElementSelector.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import {
-    Ident,
-    Function as FunctionToken,
-    Colon,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'PseudoElementSelector';
-export const walkContext = 'function';
-export const structure = {
-    name: String,
-    children: [['Raw'], null]
-};
-
-// :: [ <ident> | <function-token> <any-value>? ) ]
-export function parse() {
-    const start = this.tokenStart;
-    let children = null;
-    let name;
-    let nameLowerCase;
-
-    this.eat(Colon);
-    this.eat(Colon);
-
-    if (this.tokenType === FunctionToken) {
-        name = this.consumeFunctionName();
-        nameLowerCase = name.toLowerCase();
-
-        if (this.lookupNonWSType(0) == RightParenthesis) {
-            children = this.createList();
-        } else if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
-            this.skipSC();
-            children = this.pseudo[nameLowerCase].call(this);
-            this.skipSC();
-        } else {
-            children = this.createList();
-            children.push(
-                this.Raw(null, false)
-            );
-        }
-
-        this.eat(RightParenthesis);
-    } else {
-        name = this.consume(Ident);
-    }
-
-    return {
-        type: 'PseudoElementSelector',
-        loc: this.getLocation(start, this.tokenStart),
-        name,
-        children
-    };
-}
-
-export function generate(node) {
-    this.token(Colon, ':');
-    this.token(Colon, ':');
-
-    if (node.children === null) {
-        this.token(Ident, node.name);
-    } else {
-        this.token(FunctionToken, node.name + '(');
-        this.children(node);
-        this.token(RightParenthesis, ')');
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Ratio.js b/vanilla/node_modules/css-tree/lib/syntax/node/Ratio.js
deleted file mode 100644
index c26cf10..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Ratio.js
+++ /dev/null
@@ -1,68 +0,0 @@
-import {
-    Delim,
-    Number as NumberToken,
-    Function as FunctionToken
-} from '../../tokenizer/index.js';
-
-const SOLIDUS = 0x002F;  // U+002F SOLIDUS (/)
-
-// Media Queries Level 3 defines terms of <ratio> as a positive (not zero or negative)
-// integers (see https://drafts.csswg.org/mediaqueries-3/#values)
-// However, Media Queries Level 4 removes any definition of values
-// (see https://drafts.csswg.org/mediaqueries-4/#values) and refers to
-// CSS Values and Units for detail. In CSS Values and Units Level 4 a <ratio>
-// definition was added (see https://drafts.csswg.org/css-values-4/#ratios) which
-// defines ratio as "<number [0,∞]> [ / <number [0,∞]> ]?" and based on it
-// any constrains on terms were removed. Parser also doesn't test numbers
-// in any way to make possible for linting and fixing them by the tools using CSSTree.
-// An additional syntax examination may be applied by a lexer.
-function consumeTerm() {
-    this.skipSC();
-
-    switch (this.tokenType) {
-        case NumberToken:
-            return this.Number();
-
-        case FunctionToken:
-            return this.Function(this.readSequence, this.scope.Value);
-
-        default:
-            this.error('Number of function is expected');
-    }
-}
-
-export const name = 'Ratio';
-export const structure = {
-    left: ['Number', 'Function'],
-    right: ['Number', 'Function', null]
-};
-
-// <number [0,∞]> [ / <number [0,∞]> ]?
-export function parse() {
-    const start = this.tokenStart;
-    const left = consumeTerm.call(this);
-    let right = null;
-
-    this.skipSC();
-    if (this.isDelim(SOLIDUS)) {
-        this.eatDelim(SOLIDUS);
-        right = consumeTerm.call(this);
-    }
-
-    return {
-        type: 'Ratio',
-        loc: this.getLocation(start, this.tokenStart),
-        left,
-        right
-    };
-}
-
-export function generate(node) {
-    this.node(node.left);
-    this.token(Delim, '/');
-    if (node.right) {
-        this.node(node.right);
-    } else {
-        this.node(NumberToken, 1);
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Raw.js b/vanilla/node_modules/css-tree/lib/syntax/node/Raw.js
deleted file mode 100644
index 0c2ea69..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Raw.js
+++ /dev/null
@@ -1,41 +0,0 @@
-import { WhiteSpace } from '../../tokenizer/index.js';
-
-function getOffsetExcludeWS() {
-    if (this.tokenIndex > 0) {
-        if (this.lookupType(-1) === WhiteSpace) {
-            return this.tokenIndex > 1
-                ? this.getTokenStart(this.tokenIndex - 1)
-                : this.firstCharOffset;
-        }
-    }
-
-    return this.tokenStart;
-}
-
-export const name = 'Raw';
-export const structure = {
-    value: String
-};
-
-export function parse(consumeUntil, excludeWhiteSpace) {
-    const startOffset = this.getTokenStart(this.tokenIndex);
-    let endOffset;
-
-    this.skipUntilBalanced(this.tokenIndex, consumeUntil || this.consumeUntilBalanceEnd);
-
-    if (excludeWhiteSpace && this.tokenStart > startOffset) {
-        endOffset = getOffsetExcludeWS.call(this);
-    } else {
-        endOffset = this.tokenStart;
-    }
-
-    return {
-        type: 'Raw',
-        loc: this.getLocation(startOffset, endOffset),
-        value: this.substring(startOffset, endOffset)
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.value);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Rule.js b/vanilla/node_modules/css-tree/lib/syntax/node/Rule.js
deleted file mode 100644
index 89745cf..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Rule.js
+++ /dev/null
@@ -1,51 +0,0 @@
-import { LeftCurlyBracket } from '../../tokenizer/index.js';
-
-function consumeRaw() {
-    return this.Raw(this.consumeUntilLeftCurlyBracket, true);
-}
-
-function consumePrelude() {
-    const prelude = this.SelectorList();
-
-    if (prelude.type !== 'Raw' &&
-        this.eof === false &&
-        this.tokenType !== LeftCurlyBracket) {
-        this.error();
-    }
-
-    return prelude;
-}
-
-export const name = 'Rule';
-export const walkContext = 'rule';
-export const structure = {
-    prelude: ['SelectorList', 'Raw'],
-    block: ['Block']
-};
-
-export function parse() {
-    const startToken = this.tokenIndex;
-    const startOffset = this.tokenStart;
-    let prelude;
-    let block;
-
-    if (this.parseRulePrelude) {
-        prelude = this.parseWithFallback(consumePrelude, consumeRaw);
-    } else {
-        prelude = consumeRaw.call(this, startToken);
-    }
-
-    block = this.Block(true);
-
-    return {
-        type: 'Rule',
-        loc: this.getLocation(startOffset, this.tokenStart),
-        prelude,
-        block
-    };
-}
-export function generate(node) {
-    this.node(node.prelude);
-    this.node(node.block);
-}
-
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js b/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js
deleted file mode 100644
index 650b035..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Scope.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import {
-    Ident,
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'Scope';
-export const structure = {
-    root: ['SelectorList', 'Raw', null],
-    limit: ['SelectorList', 'Raw', null]
-};
-
-export function parse() {
-    let root = null;
-    let limit = null;
-
-    this.skipSC();
-
-    const startOffset = this.tokenStart;
-    if (this.tokenType === LeftParenthesis) {
-        this.next();
-        this.skipSC();
-        root = this.parseWithFallback(
-            this.SelectorList,
-            () => this.Raw(false, true)
-        );
-        this.skipSC();
-        this.eat(RightParenthesis);
-    }
-
-    if (this.lookupNonWSType(0) === Ident) {
-        this.skipSC();
-        this.eatIdent('to');
-        this.skipSC();
-        this.eat(LeftParenthesis);
-        this.skipSC();
-        limit = this.parseWithFallback(
-            this.SelectorList,
-            () => this.Raw(false, true)
-        );
-        this.skipSC();
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'Scope',
-        loc: this.getLocation(startOffset, this.tokenStart),
-        root,
-        limit
-    };
-}
-
-export function generate(node) {
-    if (node.root) {
-        this.token(LeftParenthesis, '(');
-        this.node(node.root);
-        this.token(RightParenthesis, ')');
-    }
-
-    if (node.limit) {
-        this.token(Ident, 'to');
-        this.token(LeftParenthesis, '(');
-        this.node(node.limit);
-        this.token(RightParenthesis, ')');
-    }
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Selector.js b/vanilla/node_modules/css-tree/lib/syntax/node/Selector.js
deleted file mode 100644
index 36028e0..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Selector.js
+++ /dev/null
@@ -1,31 +0,0 @@
-export const name = 'Selector';
-export const structure = {
-    children: [[
-        'TypeSelector',
-        'IdSelector',
-        'ClassSelector',
-        'AttributeSelector',
-        'PseudoClassSelector',
-        'PseudoElementSelector',
-        'Combinator'
-    ]]
-};
-
-export function parse() {
-    const children = this.readSequence(this.scope.Selector);
-
-    // nothing were consumed
-    if (this.getFirstListNode(children) === null) {
-        this.error('Selector is expected');
-    }
-
-    return {
-        type: 'Selector',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/SelectorList.js b/vanilla/node_modules/css-tree/lib/syntax/node/SelectorList.js
deleted file mode 100644
index ebba3cd..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/SelectorList.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import { Comma } from '../../tokenizer/index.js';
-
-export const name = 'SelectorList';
-export const walkContext = 'selector';
-export const structure = {
-    children: [[
-        'Selector',
-        'Raw'
-    ]]
-};
-
-export function parse() {
-    const children = this.createList();
-
-    while (!this.eof) {
-        children.push(this.Selector());
-
-        if (this.tokenType === Comma) {
-            this.next();
-            continue;
-        }
-
-        break;
-    }
-
-    return {
-        type: 'SelectorList',
-        loc: this.getLocationFromList(children),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node, () => this.token(Comma, ','));
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/String.js b/vanilla/node_modules/css-tree/lib/syntax/node/String.js
deleted file mode 100644
index 95e1aaa..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/String.js
+++ /dev/null
@@ -1,19 +0,0 @@
-import { String as StringToken } from '../../tokenizer/index.js';
-import { decode, encode } from '../../utils/string.js';
-
-export const name = 'String';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    return {
-        type: 'String',
-        loc: this.getLocation(this.tokenStart, this.tokenEnd),
-        value: decode(this.consume(StringToken))
-    };
-}
-
-export function generate(node) {
-    this.token(StringToken, encode(node.value));
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/StyleSheet.js b/vanilla/node_modules/css-tree/lib/syntax/node/StyleSheet.js
deleted file mode 100644
index 3bc5347..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/StyleSheet.js
+++ /dev/null
@@ -1,82 +0,0 @@
-import {
-    WhiteSpace,
-    Comment,
-    AtKeyword,
-    CDO,
-    CDC
-} from '../../tokenizer/index.js';
-
-const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)
-
-function consumeRaw() {
-    return this.Raw(null, false);
-}
-
-export const name = 'StyleSheet';
-export const walkContext = 'stylesheet';
-export const structure = {
-    children: [[
-        'Comment',
-        'CDO',
-        'CDC',
-        'Atrule',
-        'Rule',
-        'Raw'
-    ]]
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    const children = this.createList();
-    let child;
-
-    scan:
-    while (!this.eof) {
-        switch (this.tokenType) {
-            case WhiteSpace:
-                this.next();
-                continue;
-
-            case Comment:
-                // ignore comments except exclamation comments (i.e. /*! .. */) on top level
-                if (this.charCodeAt(this.tokenStart + 2) !== EXCLAMATIONMARK) {
-                    this.next();
-                    continue;
-                }
-
-                child = this.Comment();
-                break;
-
-            case CDO: // <!--
-                child = this.CDO();
-                break;
-
-            case CDC: // -->
-                child = this.CDC();
-                break;
-
-            // CSS Syntax Module Level 3
-            // §2.2 Error handling
-            // At the "top level" of a stylesheet, an <at-keyword-token> starts an at-rule.
-            case AtKeyword:
-                child = this.parseWithFallback(this.Atrule, consumeRaw);
-                break;
-
-            // Anything else starts a qualified rule ...
-            default:
-                child = this.parseWithFallback(this.Rule, consumeRaw);
-        }
-
-        children.push(child);
-    }
-
-    return {
-        type: 'StyleSheet',
-        loc: this.getLocation(start, this.tokenStart),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/SupportsDeclaration.js b/vanilla/node_modules/css-tree/lib/syntax/node/SupportsDeclaration.js
deleted file mode 100644
index ee816e5..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/SupportsDeclaration.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import {
-    LeftParenthesis,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'SupportsDeclaration';
-export const structure = {
-    declaration: 'Declaration'
-};
-
-export function parse() {
-    const start = this.tokenStart;
-
-    this.eat(LeftParenthesis);
-    this.skipSC();
-
-    const declaration = this.Declaration();
-
-    if (!this.eof) {
-        this.eat(RightParenthesis);
-    }
-
-    return {
-        type: 'SupportsDeclaration',
-        loc: this.getLocation(start, this.tokenStart),
-        declaration
-    };
-}
-
-export function generate(node) {
-    this.token(LeftParenthesis, '(');
-    this.node(node.declaration);
-    this.token(RightParenthesis, ')');
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/TypeSelector.js b/vanilla/node_modules/css-tree/lib/syntax/node/TypeSelector.js
deleted file mode 100644
index 272e195..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/TypeSelector.js
+++ /dev/null
@@ -1,52 +0,0 @@
-import { Ident } from '../../tokenizer/index.js';
-
-const ASTERISK = 0x002A;     // U+002A ASTERISK (*)
-const VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)
-
-function eatIdentifierOrAsterisk() {
-    if (this.tokenType !== Ident &&
-        this.isDelim(ASTERISK) === false) {
-        this.error('Identifier or asterisk is expected');
-    }
-
-    this.next();
-}
-
-export const name = 'TypeSelector';
-export const structure = {
-    name: String
-};
-
-// ident
-// ident|ident
-// ident|*
-// *
-// *|ident
-// *|*
-// |ident
-// |*
-export function parse() {
-    const start = this.tokenStart;
-
-    if (this.isDelim(VERTICALLINE)) {
-        this.next();
-        eatIdentifierOrAsterisk.call(this);
-    } else {
-        eatIdentifierOrAsterisk.call(this);
-
-        if (this.isDelim(VERTICALLINE)) {
-            this.next();
-            eatIdentifierOrAsterisk.call(this);
-        }
-    }
-
-    return {
-        type: 'TypeSelector',
-        loc: this.getLocation(start, this.tokenStart),
-        name: this.substrToCursor(start)
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.name);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/UnicodeRange.js b/vanilla/node_modules/css-tree/lib/syntax/node/UnicodeRange.js
deleted file mode 100644
index 95ee8b9..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/UnicodeRange.js
+++ /dev/null
@@ -1,156 +0,0 @@
-import {
-    isHexDigit,
-    Ident,
-    Number,
-    Dimension
-} from '../../tokenizer/index.js';
-
-const PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)
-const HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)
-const QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)
-
-function eatHexSequence(offset, allowDash) {
-    let len = 0;
-
-    for (let pos = this.tokenStart + offset; pos < this.tokenEnd; pos++) {
-        const code = this.charCodeAt(pos);
-
-        if (code === HYPHENMINUS && allowDash && len !== 0) {
-            eatHexSequence.call(this, offset + len + 1, false);
-            return -1;
-        }
-
-        if (!isHexDigit(code)) {
-            this.error(
-                allowDash && len !== 0
-                    ? 'Hyphen minus' + (len < 6 ? ' or hex digit' : '') + ' is expected'
-                    : (len < 6 ? 'Hex digit is expected' : 'Unexpected input'),
-                pos
-            );
-        }
-
-        if (++len > 6) {
-            this.error('Too many hex digits', pos);
-        };
-    }
-
-    this.next();
-    return len;
-}
-
-function eatQuestionMarkSequence(max) {
-    let count = 0;
-
-    while (this.isDelim(QUESTIONMARK)) {
-        if (++count > max) {
-            this.error('Too many question marks');
-        }
-
-        this.next();
-    }
-}
-
-function startsWith(code) {
-    if (this.charCodeAt(this.tokenStart) !== code) {
-        this.error((code === PLUSSIGN ? 'Plus sign' : 'Hyphen minus') + ' is expected');
-    }
-}
-
-// https://drafts.csswg.org/css-syntax/#urange
-// Informally, the <urange> production has three forms:
-// U+0001
-//      Defines a range consisting of a single code point, in this case the code point "1".
-// U+0001-00ff
-//      Defines a range of codepoints between the first and the second value, in this case
-//      the range between "1" and "ff" (255 in decimal) inclusive.
-// U+00??
-//      Defines a range of codepoints where the "?" characters range over all hex digits,
-//      in this case defining the same as the value U+0000-00ff.
-// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat "?" as a hexadecimal digit).
-//
-// <urange> =
-//   u '+' <ident-token> '?'* |
-//   u <dimension-token> '?'* |
-//   u <number-token> '?'* |
-//   u <number-token> <dimension-token> |
-//   u <number-token> <number-token> |
-//   u '+' '?'+
-function scanUnicodeRange() {
-    let hexLength = 0;
-
-    switch (this.tokenType) {
-        case Number:
-            // u <number-token> '?'*
-            // u <number-token> <dimension-token>
-            // u <number-token> <number-token>
-            hexLength = eatHexSequence.call(this, 1, true);
-
-            if (this.isDelim(QUESTIONMARK)) {
-                eatQuestionMarkSequence.call(this, 6 - hexLength);
-                break;
-            }
-
-            if (this.tokenType === Dimension ||
-                this.tokenType === Number) {
-                startsWith.call(this, HYPHENMINUS);
-                eatHexSequence.call(this, 1, false);
-                break;
-            }
-
-            break;
-
-        case Dimension:
-            // u <dimension-token> '?'*
-            hexLength = eatHexSequence.call(this, 1, true);
-
-            if (hexLength > 0) {
-                eatQuestionMarkSequence.call(this, 6 - hexLength);
-            }
-
-            break;
-
-        default:
-            // u '+' <ident-token> '?'*
-            // u '+' '?'+
-            this.eatDelim(PLUSSIGN);
-
-            if (this.tokenType === Ident) {
-                hexLength = eatHexSequence.call(this, 0, true);
-                if (hexLength > 0) {
-                    eatQuestionMarkSequence.call(this, 6 - hexLength);
-                }
-                break;
-            }
-
-            if (this.isDelim(QUESTIONMARK)) {
-                this.next();
-                eatQuestionMarkSequence.call(this, 5);
-                break;
-            }
-
-            this.error('Hex digit or question mark is expected');
-    }
-}
-
-export const name = 'UnicodeRange';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    const start = this.tokenStart;
-
-    // U or u
-    this.eatIdent('u');
-    scanUnicodeRange.call(this);
-
-    return {
-        type: 'UnicodeRange',
-        loc: this.getLocation(start, this.tokenStart),
-        value: this.substrToCursor(start)
-    };
-}
-
-export function generate(node) {
-    this.tokenize(node.value);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Url.js b/vanilla/node_modules/css-tree/lib/syntax/node/Url.js
deleted file mode 100644
index ac52c9d..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Url.js
+++ /dev/null
@@ -1,52 +0,0 @@
-import * as url from '../../utils/url.js';
-import * as string from '../../utils/string.js';
-import {
-    Function as FunctionToken,
-    String as StringToken,
-    Url,
-    RightParenthesis
-} from '../../tokenizer/index.js';
-
-export const name = 'Url';
-export const structure = {
-    value: String
-};
-
-// <url-token> | <function-token> <string> )
-export function parse() {
-    const start = this.tokenStart;
-    let value;
-
-    switch (this.tokenType) {
-        case Url:
-            value = url.decode(this.consume(Url));
-            break;
-
-        case FunctionToken:
-            if (!this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')) {
-                this.error('Function name must be `url`');
-            }
-
-            this.eat(FunctionToken);
-            this.skipSC();
-            value = string.decode(this.consume(StringToken));
-            this.skipSC();
-            if (!this.eof) {
-                this.eat(RightParenthesis);
-            }
-            break;
-
-        default:
-            this.error('Url or Function is expected');
-    }
-
-    return {
-        type: 'Url',
-        loc: this.getLocation(start, this.tokenStart),
-        value
-    };
-}
-
-export function generate(node) {
-    this.token(Url, url.encode(node.value));
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/Value.js b/vanilla/node_modules/css-tree/lib/syntax/node/Value.js
deleted file mode 100644
index ba465bc..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/Value.js
+++ /dev/null
@@ -1,19 +0,0 @@
-export const name = 'Value';
-export const structure = {
-    children: [[]]
-};
-
-export function parse() {
-    const start = this.tokenStart;
-    const children = this.readSequence(this.scope.Value);
-
-    return {
-        type: 'Value',
-        loc: this.getLocation(start, this.tokenStart),
-        children
-    };
-}
-
-export function generate(node) {
-    this.children(node);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/WhiteSpace.js b/vanilla/node_modules/css-tree/lib/syntax/node/WhiteSpace.js
deleted file mode 100644
index df34e6f..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/WhiteSpace.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import { WhiteSpace } from '../../tokenizer/index.js';
-
-const SPACE = Object.freeze({
-    type: 'WhiteSpace',
-    loc: null,
-    value: ' '
-});
-
-export const name = 'WhiteSpace';
-export const structure = {
-    value: String
-};
-
-export function parse() {
-    this.eat(WhiteSpace);
-    return SPACE;
-
-    // return {
-    //     type: 'WhiteSpace',
-    //     loc: this.getLocation(this.tokenStart, this.tokenEnd),
-    //     value: this.consume(WHITESPACE)
-    // };
-}
-
-export function generate(node) {
-    this.token(WhiteSpace, node.value);
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/index-generate.js b/vanilla/node_modules/css-tree/lib/syntax/node/index-generate.js
deleted file mode 100644
index 568736f..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/index-generate.js
+++ /dev/null
@@ -1,49 +0,0 @@
-export { generate as AnPlusB } from './AnPlusB.js';
-export { generate as Atrule } from './Atrule.js';
-export { generate as AtrulePrelude } from './AtrulePrelude.js';
-export { generate as AttributeSelector } from './AttributeSelector.js';
-export { generate as Block } from './Block.js';
-export { generate as Brackets } from './Brackets.js';
-export { generate as CDC } from './CDC.js';
-export { generate as CDO } from './CDO.js';
-export { generate as ClassSelector } from './ClassSelector.js';
-export { generate as Combinator } from './Combinator.js';
-export { generate as Comment } from './Comment.js';
-export { generate as Condition } from './Condition.js';
-export { generate as Declaration } from './Declaration.js';
-export { generate as DeclarationList } from './DeclarationList.js';
-export { generate as Dimension } from './Dimension.js';
-export { generate as Feature } from './Feature.js';
-export { generate as FeatureFunction } from './FeatureFunction.js';
-export { generate as FeatureRange } from './FeatureRange.js';
-export { generate as Function } from './Function.js';
-export { generate as GeneralEnclosed } from './GeneralEnclosed.js';
-export { generate as Hash } from './Hash.js';
-export { generate as Identifier } from './Identifier.js';
-export { generate as IdSelector } from './IdSelector.js';
-export { generate as Layer } from './Layer.js';
-export { generate as LayerList } from './LayerList.js';
-export { generate as MediaQuery } from './MediaQuery.js';
-export { generate as MediaQueryList } from './MediaQueryList.js';
-export { generate as NestingSelector } from './NestingSelector.js';
-export { generate as Nth } from './Nth.js';
-export { generate as Number } from './Number.js';
-export { generate as Operator } from './Operator.js';
-export { generate as Parentheses } from './Parentheses.js';
-export { generate as Percentage } from './Percentage.js';
-export { generate as PseudoClassSelector } from './PseudoClassSelector.js';
-export { generate as PseudoElementSelector } from './PseudoElementSelector.js';
-export { generate as Ratio } from './Ratio.js';
-export { generate as Raw } from './Raw.js';
-export { generate as Rule } from './Rule.js';
-export { generate as Scope } from './Scope.js';
-export { generate as Selector } from './Selector.js';
-export { generate as SelectorList } from './SelectorList.js';
-export { generate as String } from './String.js';
-export { generate as StyleSheet } from './StyleSheet.js';
-export { generate as SupportsDeclaration } from './SupportsDeclaration.js';
-export { generate as TypeSelector } from './TypeSelector.js';
-export { generate as UnicodeRange } from './UnicodeRange.js';
-export { generate as Url } from './Url.js';
-export { generate as Value } from './Value.js';
-export { generate as WhiteSpace } from './WhiteSpace.js';
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/index-parse-selector.js b/vanilla/node_modules/css-tree/lib/syntax/node/index-parse-selector.js
deleted file mode 100644
index 3a0a2a3..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/index-parse-selector.js
+++ /dev/null
@@ -1,17 +0,0 @@
-export { parse as AnPlusB } from './AnPlusB.js';
-export { parse as AttributeSelector } from './AttributeSelector.js';
-export { parse as ClassSelector } from './ClassSelector.js';
-export { parse as Combinator } from './Combinator.js';
-export { parse as Identifier } from './Identifier.js';
-export { parse as IdSelector } from './IdSelector.js';
-export { parse as NestingSelector } from './NestingSelector.js';
-export { parse as Nth } from './Nth.js';
-export { parse as Operator } from './Operator.js';
-export { parse as Percentage } from './Percentage.js';
-export { parse as PseudoClassSelector } from './PseudoClassSelector.js';
-export { parse as PseudoElementSelector } from './PseudoElementSelector.js';
-export { parse as Raw } from './Raw.js';
-export { parse as Selector } from './Selector.js';
-export { parse as SelectorList } from './SelectorList.js';
-export { parse as String } from './String.js';
-export { parse as TypeSelector } from './TypeSelector.js';
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/index-parse.js b/vanilla/node_modules/css-tree/lib/syntax/node/index-parse.js
deleted file mode 100644
index 80136d3..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/index-parse.js
+++ /dev/null
@@ -1,49 +0,0 @@
-export { parse as AnPlusB } from './AnPlusB.js';
-export { parse as Atrule } from './Atrule.js';
-export { parse as AtrulePrelude } from './AtrulePrelude.js';
-export { parse as AttributeSelector } from './AttributeSelector.js';
-export { parse as Block } from './Block.js';
-export { parse as Brackets } from './Brackets.js';
-export { parse as CDC } from './CDC.js';
-export { parse as CDO } from './CDO.js';
-export { parse as ClassSelector } from './ClassSelector.js';
-export { parse as Combinator } from './Combinator.js';
-export { parse as Comment } from './Comment.js';
-export { parse as Condition } from './Condition.js';
-export { parse as Declaration } from './Declaration.js';
-export { parse as DeclarationList } from './DeclarationList.js';
-export { parse as Dimension } from './Dimension.js';
-export { parse as Feature } from './Feature.js';
-export { parse as FeatureFunction } from './FeatureFunction.js';
-export { parse as FeatureRange } from './FeatureRange.js';
-export { parse as Function } from './Function.js';
-export { parse as GeneralEnclosed } from './GeneralEnclosed.js';
-export { parse as Hash } from './Hash.js';
-export { parse as Identifier } from './Identifier.js';
-export { parse as IdSelector } from './IdSelector.js';
-export { parse as Layer } from './Layer.js';
-export { parse as LayerList } from './LayerList.js';
-export { parse as MediaQuery } from './MediaQuery.js';
-export { parse as MediaQueryList } from './MediaQueryList.js';
-export { parse as NestingSelector } from './NestingSelector.js';
-export { parse as Nth } from './Nth.js';
-export { parse as Number } from './Number.js';
-export { parse as Operator } from './Operator.js';
-export { parse as Parentheses } from './Parentheses.js';
-export { parse as Percentage } from './Percentage.js';
-export { parse as PseudoClassSelector } from './PseudoClassSelector.js';
-export { parse as PseudoElementSelector } from './PseudoElementSelector.js';
-export { parse as Ratio } from './Ratio.js';
-export { parse as Raw } from './Raw.js';
-export { parse as Rule } from './Rule.js';
-export { parse as Scope } from './Scope.js';
-export { parse as Selector } from './Selector.js';
-export { parse as SelectorList } from './SelectorList.js';
-export { parse as String } from './String.js';
-export { parse as StyleSheet } from './StyleSheet.js';
-export { parse as SupportsDeclaration } from './SupportsDeclaration.js';
-export { parse as TypeSelector } from './TypeSelector.js';
-export { parse as UnicodeRange } from './UnicodeRange.js';
-export { parse as Url } from './Url.js';
-export { parse as Value } from './Value.js';
-export { parse as WhiteSpace } from './WhiteSpace.js';
diff --git a/vanilla/node_modules/css-tree/lib/syntax/node/index.js b/vanilla/node_modules/css-tree/lib/syntax/node/index.js
deleted file mode 100644
index 4aa2dea..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/node/index.js
+++ /dev/null
@@ -1,49 +0,0 @@
-export * as AnPlusB from './AnPlusB.js';
-export * as Atrule from './Atrule.js';
-export * as AtrulePrelude from './AtrulePrelude.js';
-export * as AttributeSelector from './AttributeSelector.js';
-export * as Block from './Block.js';
-export * as Brackets from './Brackets.js';
-export * as CDC from './CDC.js';
-export * as CDO from './CDO.js';
-export * as ClassSelector from './ClassSelector.js';
-export * as Combinator from './Combinator.js';
-export * as Comment from './Comment.js';
-export * as Condition from './Condition.js';
-export * as Declaration from './Declaration.js';
-export * as DeclarationList from './DeclarationList.js';
-export * as Dimension from './Dimension.js';
-export * as Feature from './Feature.js';
-export * as FeatureFunction from './FeatureFunction.js';
-export * as FeatureRange from './FeatureRange.js';
-export * as Function from './Function.js';
-export * as GeneralEnclosed from './GeneralEnclosed.js';
-export * as Hash from './Hash.js';
-export * as Identifier from './Identifier.js';
-export * as IdSelector from './IdSelector.js';
-export * as Layer from './Layer.js';
-export * as LayerList from './LayerList.js';
-export * as MediaQuery from './MediaQuery.js';
-export * as MediaQueryList from './MediaQueryList.js';
-export * as NestingSelector from './NestingSelector.js';
-export * as Nth from './Nth.js';
-export * as Number from './Number.js';
-export * as Operator from './Operator.js';
-export * as Parentheses from './Parentheses.js';
-export * as Percentage from './Percentage.js';
-export * as PseudoClassSelector from './PseudoClassSelector.js';
-export * as PseudoElementSelector from './PseudoElementSelector.js';
-export * as Ratio from './Ratio.js';
-export * as Raw from './Raw.js';
-export * as Rule from './Rule.js';
-export * as Scope from './Scope.js';
-export * as Selector from './Selector.js';
-export * as SelectorList from './SelectorList.js';
-export * as String from './String.js';
-export * as StyleSheet from './StyleSheet.js';
-export * as SupportsDeclaration from './SupportsDeclaration.js';
-export * as TypeSelector from './TypeSelector.js';
-export * as UnicodeRange from './UnicodeRange.js';
-export * as Url from './Url.js';
-export * as Value from './Value.js';
-export * as WhiteSpace from './WhiteSpace.js';
diff --git a/vanilla/node_modules/css-tree/lib/syntax/pseudo/index.js b/vanilla/node_modules/css-tree/lib/syntax/pseudo/index.js
deleted file mode 100644
index 7d75fe1..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/pseudo/index.js
+++ /dev/null
@@ -1,56 +0,0 @@
-import { parseLanguageRangeList } from './lang.js';
-
-const selectorList = {
-    parse() {
-        return this.createSingleNodeList(
-            this.SelectorList()
-        );
-    }
-};
-
-const selector = {
-    parse() {
-        return this.createSingleNodeList(
-            this.Selector()
-        );
-    }
-};
-
-const identList = {
-    parse() {
-        return this.createSingleNodeList(
-            this.Identifier()
-        );
-    }
-};
-
-const langList = {
-    parse: parseLanguageRangeList
-};
-
-const nth = {
-    parse() {
-        return this.createSingleNodeList(
-            this.Nth()
-        );
-    }
-};
-
-export default {
-    'dir': identList,
-    'has': selectorList,
-    'lang': langList,
-    'matches': selectorList,
-    'is': selectorList,
-    '-moz-any': selectorList,
-    '-webkit-any': selectorList,
-    'where': selectorList,
-    'not': selectorList,
-    'nth-child': nth,
-    'nth-last-child': nth,
-    'nth-last-of-type': nth,
-    'nth-of-type': nth,
-    'slotted': selector,
-    'host': selector,
-    'host-context': selector
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/pseudo/lang.js b/vanilla/node_modules/css-tree/lib/syntax/pseudo/lang.js
deleted file mode 100644
index 3adfdb8..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/pseudo/lang.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import { Comma, String as StringToken, Ident, RightParenthesis } from '../../tokenizer/index.js';
-
-export function parseLanguageRangeList() {
-    const children = this.createList();
-
-    this.skipSC();
-
-    loop: while (!this.eof) {
-        switch (this.tokenType) {
-            case Ident:
-                children.push(this.Identifier());
-                break;
-
-            case StringToken:
-                children.push(this.String());
-                break;
-
-            case Comma:
-                children.push(this.Operator());
-                break;
-
-            case RightParenthesis:
-                break loop;
-
-            default:
-                this.error('Identifier, string or comma is expected');
-        }
-
-        this.skipSC();
-    }
-
-    return children;
-}
diff --git a/vanilla/node_modules/css-tree/lib/syntax/scope/atrulePrelude.js b/vanilla/node_modules/css-tree/lib/syntax/scope/atrulePrelude.js
deleted file mode 100644
index c903555..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/scope/atrulePrelude.js
+++ /dev/null
@@ -1,5 +0,0 @@
-import getNode from './default.js';
-
-export default {
-    getNode
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/scope/default.js b/vanilla/node_modules/css-tree/lib/syntax/scope/default.js
deleted file mode 100644
index 8f14035..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/scope/default.js
+++ /dev/null
@@ -1,85 +0,0 @@
-import {
-    Ident,
-    String as StringToken,
-    Number as NumberToken,
-    Function as FunctionToken,
-    Url,
-    Hash,
-    Dimension,
-    Percentage,
-    LeftParenthesis,
-    LeftSquareBracket,
-    Comma,
-    Delim
-} from '../../tokenizer/index.js';
-
-const NUMBERSIGN = 0x0023;  // U+0023 NUMBER SIGN (#)
-const ASTERISK = 0x002A;    // U+002A ASTERISK (*)
-const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
-const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
-const SOLIDUS = 0x002F;     // U+002F SOLIDUS (/)
-const U = 0x0075;           // U+0075 LATIN SMALL LETTER U (u)
-
-export default function defaultRecognizer(context) {
-    switch (this.tokenType) {
-        case Hash:
-            return this.Hash();
-
-        case Comma:
-            return this.Operator();
-
-        case LeftParenthesis:
-            return this.Parentheses(this.readSequence, context.recognizer);
-
-        case LeftSquareBracket:
-            return this.Brackets(this.readSequence, context.recognizer);
-
-        case StringToken:
-            return this.String();
-
-        case Dimension:
-            return this.Dimension();
-
-        case Percentage:
-            return this.Percentage();
-
-        case NumberToken:
-            return this.Number();
-
-        case FunctionToken:
-            return this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')
-                ? this.Url()
-                : this.Function(this.readSequence, context.recognizer);
-
-        case Url:
-            return this.Url();
-
-        case Ident:
-            // check for unicode range, it should start with u+ or U+
-            if (this.cmpChar(this.tokenStart, U) &&
-                this.cmpChar(this.tokenStart + 1, PLUSSIGN)) {
-                return this.UnicodeRange();
-            } else {
-                return this.Identifier();
-            }
-
-        case Delim: {
-            const code = this.charCodeAt(this.tokenStart);
-
-            if (code === SOLIDUS ||
-                code === ASTERISK ||
-                code === PLUSSIGN ||
-                code === HYPHENMINUS) {
-                return this.Operator(); // TODO: replace with Delim
-            }
-
-            // TODO: produce a node with Delim node type
-
-            if (code === NUMBERSIGN) {
-                this.error('Hex or identifier is expected', this.tokenStart + 1);
-            }
-
-            break;
-        }
-    }
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/scope/index.js b/vanilla/node_modules/css-tree/lib/syntax/scope/index.js
deleted file mode 100644
index 6dabbbe..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/scope/index.js
+++ /dev/null
@@ -1,3 +0,0 @@
-export { default as AtrulePrelude } from './atrulePrelude.js';
-export { default as Selector } from './selector.js';
-export { default as Value } from './value.js';
diff --git a/vanilla/node_modules/css-tree/lib/syntax/scope/selector.js b/vanilla/node_modules/css-tree/lib/syntax/scope/selector.js
deleted file mode 100644
index a8efcd5..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/scope/selector.js
+++ /dev/null
@@ -1,94 +0,0 @@
-import {
-    Delim,
-    Ident,
-    Dimension,
-    Percentage,
-    Number as NumberToken,
-    Hash,
-    Colon,
-    LeftSquareBracket
-} from '../../tokenizer/index.js';
-
-const NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)
-const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
-const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
-const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
-const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
-const FULLSTOP = 0x002E;        // U+002E FULL STOP (.)
-const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
-const VERTICALLINE = 0x007C;    // U+007C VERTICAL LINE (|)
-const TILDE = 0x007E;           // U+007E TILDE (~)
-
-function onWhiteSpace(next, children) {
-    if (children.last !== null && children.last.type !== 'Combinator' &&
-        next !== null && next.type !== 'Combinator') {
-        children.push({  // FIXME: this.Combinator() should be used instead
-            type: 'Combinator',
-            loc: null,
-            name: ' '
-        });
-    }
-}
-
-function getNode() {
-    switch (this.tokenType) {
-        case LeftSquareBracket:
-            return this.AttributeSelector();
-
-        case Hash:
-            return this.IdSelector();
-
-        case Colon:
-            if (this.lookupType(1) === Colon) {
-                return this.PseudoElementSelector();
-            } else {
-                return this.PseudoClassSelector();
-            }
-
-        case Ident:
-            return this.TypeSelector();
-
-        case NumberToken:
-        case Percentage:
-            return this.Percentage();
-
-        case Dimension:
-            // throws when .123ident
-            if (this.charCodeAt(this.tokenStart) === FULLSTOP) {
-                this.error('Identifier is expected', this.tokenStart + 1);
-            }
-            break;
-
-        case Delim: {
-            const code = this.charCodeAt(this.tokenStart);
-
-            switch (code) {
-                case PLUSSIGN:
-                case GREATERTHANSIGN:
-                case TILDE:
-                case SOLIDUS:  // /deep/
-                    return this.Combinator();
-
-                case FULLSTOP:
-                    return this.ClassSelector();
-
-                case ASTERISK:
-                case VERTICALLINE:
-                    return this.TypeSelector();
-
-                case NUMBERSIGN:
-                    return this.IdSelector();
-
-                case AMPERSAND:
-                    return this.NestingSelector();
-            }
-
-            break;
-        }
-    }
-};
-
-export default {
-    onWhiteSpace,
-    getNode
-};
diff --git a/vanilla/node_modules/css-tree/lib/syntax/scope/value.js b/vanilla/node_modules/css-tree/lib/syntax/scope/value.js
deleted file mode 100644
index dc94219..0000000
--- a/vanilla/node_modules/css-tree/lib/syntax/scope/value.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import getNode from './default.js';
-import expressionFn from '../function/expression.js';
-import varFn from '../function/var.js';
-
-function isPlusMinusOperator(node) {
-    return (
-        node !== null &&
-        node.type === 'Operator' &&
-        (node.value[node.value.length - 1] === '-' || node.value[node.value.length - 1] === '+')
-    );
-}
-
-export default {
-    getNode,
-    onWhiteSpace(next, children) {
-        if (isPlusMinusOperator(next)) {
-            next.value = ' ' + next.value;
-        }
-        if (isPlusMinusOperator(children.last)) {
-            children.last.value += ' ';
-        }
-    },
-    'expression': expressionFn,
-    'var': varFn
-};