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-rw-r--r--vanilla/node_modules/css-tree/cjs/lexer/generic.cjs589
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diff --git a/vanilla/node_modules/css-tree/cjs/lexer/generic.cjs b/vanilla/node_modules/css-tree/cjs/lexer/generic.cjs
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--- a/vanilla/node_modules/css-tree/cjs/lexer/generic.cjs
+++ /dev/null
@@ -1,589 +0,0 @@
-'use strict';
-
-const genericConst = require('./generic-const.cjs');
-const genericAnPlusB = require('./generic-an-plus-b.cjs');
-const genericUrange = require('./generic-urange.cjs');
-const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
-const types = require('../tokenizer/types.cjs');
-const utils = require('../tokenizer/utils.cjs');
-
-const calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];
-const balancePair = new Map([
- [types.Function, types.RightParenthesis],
- [types.LeftParenthesis, types.RightParenthesis],
- [types.LeftSquareBracket, types.RightSquareBracket],
- [types.LeftCurlyBracket, types.RightCurlyBracket]
-]);
-
-// safe char code getter
-function charCodeAt(str, index) {
- return index < str.length ? str.charCodeAt(index) : 0;
-}
-
-function eqStr(actual, expected) {
- return utils.cmpStr(actual, 0, actual.length, expected);
-}
-
-function eqStrAny(actual, expected) {
- for (let i = 0; i < expected.length; i++) {
- if (eqStr(actual, expected[i])) {
- return true;
- }
- }
-
- return false;
-}
-
-// IE postfix hack, i.e. 123\0 or 123px\9
-function isPostfixIeHack(str, offset) {
- if (offset !== str.length - 2) {
- return false;
- }
-
- return (
- charCodeAt(str, offset) === 0x005C && // U+005C REVERSE SOLIDUS (\)
- charCodeDefinitions.isDigit(charCodeAt(str, offset + 1))
- );
-}
-
-function outOfRange(opts, value, numEnd) {
- if (opts && opts.type === 'Range') {
- const num = Number(
- numEnd !== undefined && numEnd !== value.length
- ? value.substr(0, numEnd)
- : value
- );
-
- if (isNaN(num)) {
- return true;
- }
-
- // FIXME: when opts.min is a string it's a dimension, skip a range validation
- // for now since it requires a type covertation which is not implmented yet
- if (opts.min !== null && num < opts.min && typeof opts.min !== 'string') {
- return true;
- }
-
- // FIXME: when opts.max is a string it's a dimension, skip a range validation
- // for now since it requires a type covertation which is not implmented yet
- if (opts.max !== null && num > opts.max && typeof opts.max !== 'string') {
- return true;
- }
- }
-
- return false;
-}
-
-function consumeFunction(token, getNextToken) {
- let balanceCloseType = 0;
- let balanceStash = [];
- let length = 0;
-
- // balanced token consuming
- scan:
- do {
- switch (token.type) {
- case types.RightCurlyBracket:
- case types.RightParenthesis:
- case types.RightSquareBracket:
- if (token.type !== balanceCloseType) {
- break scan;
- }
-
- balanceCloseType = balanceStash.pop();
-
- if (balanceStash.length === 0) {
- length++;
- break scan;
- }
-
- break;
-
- case types.Function:
- case types.LeftParenthesis:
- case types.LeftSquareBracket:
- case types.LeftCurlyBracket:
- balanceStash.push(balanceCloseType);
- balanceCloseType = balancePair.get(token.type);
- break;
- }
-
- length++;
- } while (token = getNextToken(length));
-
- return length;
-}
-
-// TODO: implement
-// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed
-// https://drafts.csswg.org/css-values/#calc-notation
-function calc(next) {
- return function(token, getNextToken, opts) {
- if (token === null) {
- return 0;
- }
-
- if (token.type === types.Function && eqStrAny(token.value, calcFunctionNames)) {
- return consumeFunction(token, getNextToken);
- }
-
- return next(token, getNextToken, opts);
- };
-}
-
-function tokenType(expectedTokenType) {
- return function(token) {
- if (token === null || token.type !== expectedTokenType) {
- return 0;
- }
-
- return 1;
- };
-}
-
-// =========================
-// Complex types
-//
-
-// https://drafts.csswg.org/css-values-4/#custom-idents
-// 4.2. Author-defined Identifiers: the <custom-ident> type
-// Some properties accept arbitrary author-defined identifiers as a component value.
-// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier
-// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.
-//
-// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident
-function customIdent(token) {
- if (token === null || token.type !== types.Ident) {
- return 0;
- }
-
- const name = token.value.toLowerCase();
-
- // The CSS-wide keywords are not valid <custom-ident>s
- if (eqStrAny(name, genericConst.cssWideKeywords)) {
- return 0;
- }
-
- // The default keyword is reserved and is also not a valid <custom-ident>
- if (eqStr(name, 'default')) {
- return 0;
- }
-
- // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)
- // Specifications using <custom-ident> must specify clearly what other keywords
- // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords
- // in that property’s value definition are excluded. Excluded keywords are excluded
- // in all ASCII case permutations.
-
- return 1;
-}
-
-// https://drafts.csswg.org/css-values-4/#dashed-idents
-// The <dashed-ident> production is a <custom-ident>, with all the case-sensitivity that implies,
-// with the additional restriction that it must start with two dashes (U+002D HYPHEN-MINUS).
-function dashedIdent(token) {
- if (token === null || token.type !== types.Ident) {
- return 0;
- }
-
- // ... must start with two dashes (U+002D HYPHEN-MINUS)
- if (charCodeAt(token.value, 0) !== 0x002D || charCodeAt(token.value, 1) !== 0x002D) {
- return 0;
- }
-
- return 1;
-}
-
-// https://drafts.csswg.org/css-variables/#typedef-custom-property-name
-// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.
-// The <custom-property-name> production corresponds to this: it’s defined as any <dashed-ident>
-// (a valid identifier that starts with two dashes), except -- itself, which is reserved for future use by CSS.
-function customPropertyName(token) {
- // ... it’s defined as any <dashed-ident>
- if (!dashedIdent(token)) {
- return 0;
- }
-
- // ... except -- itself, which is reserved for future use by CSS
- if (token.value === '--') {
- return 0;
- }
-
- return 1;
-}
-
-// https://drafts.csswg.org/css-color-4/#hex-notation
-// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.
-// In other words, a hex color is written as a hash character, "#", followed by some number of digits 0-9 or
-// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).
-function hexColor(token) {
- if (token === null || token.type !== types.Hash) {
- return 0;
- }
-
- const length = token.value.length;
-
- // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)
- if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {
- return 0;
- }
-
- for (let i = 1; i < length; i++) {
- if (!charCodeDefinitions.isHexDigit(charCodeAt(token.value, i))) {
- return 0;
- }
- }
-
- return 1;
-}
-
-function idSelector(token) {
- if (token === null || token.type !== types.Hash) {
- return 0;
- }
-
- if (!charCodeDefinitions.isIdentifierStart(charCodeAt(token.value, 1), charCodeAt(token.value, 2), charCodeAt(token.value, 3))) {
- return 0;
- }
-
- return 1;
-}
-
-// https://drafts.csswg.org/css-syntax/#any-value
-// It represents the entirety of what a valid declaration can have as its value.
-function declarationValue(token, getNextToken) {
- if (!token) {
- return 0;
- }
-
- let balanceCloseType = 0;
- let balanceStash = [];
- let length = 0;
-
- // The <declaration-value> production matches any sequence of one or more tokens,
- // so long as the sequence does not contain ...
- scan:
- do {
- switch (token.type) {
- // ... <bad-string-token>, <bad-url-token>,
- case types.BadString:
- case types.BadUrl:
- break scan;
-
- // ... unmatched <)-token>, <]-token>, or <}-token>,
- case types.RightCurlyBracket:
- case types.RightParenthesis:
- case types.RightSquareBracket:
- if (token.type !== balanceCloseType) {
- break scan;
- }
-
- balanceCloseType = balanceStash.pop();
- break;
-
- // ... or top-level <semicolon-token> tokens
- case types.Semicolon:
- if (balanceCloseType === 0) {
- break scan;
- }
-
- break;
-
- // ... or <delim-token> tokens with a value of "!"
- case types.Delim:
- if (balanceCloseType === 0 && token.value === '!') {
- break scan;
- }
-
- break;
-
- case types.Function:
- case types.LeftParenthesis:
- case types.LeftSquareBracket:
- case types.LeftCurlyBracket:
- balanceStash.push(balanceCloseType);
- balanceCloseType = balancePair.get(token.type);
- break;
- }
-
- length++;
- } while (token = getNextToken(length));
-
- return length;
-}
-
-// https://drafts.csswg.org/css-syntax/#any-value
-// The <any-value> production is identical to <declaration-value>, but also
-// allows top-level <semicolon-token> tokens and <delim-token> tokens
-// with a value of "!". It represents the entirety of what valid CSS can be in any context.
-function anyValue(token, getNextToken) {
- if (!token) {
- return 0;
- }
-
- let balanceCloseType = 0;
- let balanceStash = [];
- let length = 0;
-
- // The <any-value> production matches any sequence of one or more tokens,
- // so long as the sequence ...
- scan:
- do {
- switch (token.type) {
- // ... does not contain <bad-string-token>, <bad-url-token>,
- case types.BadString:
- case types.BadUrl:
- break scan;
-
- // ... unmatched <)-token>, <]-token>, or <}-token>,
- case types.RightCurlyBracket:
- case types.RightParenthesis:
- case types.RightSquareBracket:
- if (token.type !== balanceCloseType) {
- break scan;
- }
-
- balanceCloseType = balanceStash.pop();
- break;
-
- case types.Function:
- case types.LeftParenthesis:
- case types.LeftSquareBracket:
- case types.LeftCurlyBracket:
- balanceStash.push(balanceCloseType);
- balanceCloseType = balancePair.get(token.type);
- break;
- }
-
- length++;
- } while (token = getNextToken(length));
-
- return length;
-}
-
-// =========================
-// Dimensions
-//
-
-function dimension(type) {
- if (type) {
- type = new Set(type);
- }
-
- return function(token, getNextToken, opts) {
- if (token === null || token.type !== types.Dimension) {
- return 0;
- }
-
- const numberEnd = utils.consumeNumber(token.value, 0);
-
- // check unit
- if (type !== null) {
- // check for IE postfix hack, i.e. 123px\0 or 123px\9
- const reverseSolidusOffset = token.value.indexOf('\\', numberEnd);
- const unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)
- ? token.value.substr(numberEnd)
- : token.value.substring(numberEnd, reverseSolidusOffset);
-
- if (type.has(unit.toLowerCase()) === false) {
- return 0;
- }
- }
-
- // check range if specified
- if (outOfRange(opts, token.value, numberEnd)) {
- return 0;
- }
-
- return 1;
- };
-}
-
-// =========================
-// Percentage
-//
-
-// §5.5. Percentages: the <percentage> type
-// https://drafts.csswg.org/css-values-4/#percentages
-function percentage(token, getNextToken, opts) {
- // ... corresponds to the <percentage-token> production
- if (token === null || token.type !== types.Percentage) {
- return 0;
- }
-
- // check range if specified
- if (outOfRange(opts, token.value, token.value.length - 1)) {
- return 0;
- }
-
- return 1;
-}
-
-// =========================
-// Numeric
-//
-
-// https://drafts.csswg.org/css-values-4/#numbers
-// The value <zero> represents a literal number with the value 0. Expressions that merely
-// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;
-// only literal <number-token>s do.
-function zero(next) {
- if (typeof next !== 'function') {
- next = function() {
- return 0;
- };
- }
-
- return function(token, getNextToken, opts) {
- if (token !== null && token.type === types.Number) {
- if (Number(token.value) === 0) {
- return 1;
- }
- }
-
- return next(token, getNextToken, opts);
- };
-}
-
-// § 5.3. Real Numbers: the <number> type
-// https://drafts.csswg.org/css-values-4/#numbers
-// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.
-// ... It corresponds to the <number-token> production
-function number(token, getNextToken, opts) {
- if (token === null) {
- return 0;
- }
-
- const numberEnd = utils.consumeNumber(token.value, 0);
- const isNumber = numberEnd === token.value.length;
- if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {
- return 0;
- }
-
- // check range if specified
- if (outOfRange(opts, token.value, numberEnd)) {
- return 0;
- }
-
- return 1;
-}
-
-// §5.2. Integers: the <integer> type
-// https://drafts.csswg.org/css-values-4/#integers
-function integer(token, getNextToken, opts) {
- // ... corresponds to a subset of the <number-token> production
- if (token === null || token.type !== types.Number) {
- return 0;
- }
-
- // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.
- let i = charCodeAt(token.value, 0) === 0x002B || // U+002B PLUS SIGN (+)
- charCodeAt(token.value, 0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)
-
- // When written literally, an integer is one or more decimal digits 0 through 9 ...
- for (; i < token.value.length; i++) {
- if (!charCodeDefinitions.isDigit(charCodeAt(token.value, i))) {
- return 0;
- }
- }
-
- // check range if specified
- if (outOfRange(opts, token.value, i)) {
- return 0;
- }
-
- return 1;
-}
-
-// token types
-const tokenTypes = {
- 'ident-token': tokenType(types.Ident),
- 'function-token': tokenType(types.Function),
- 'at-keyword-token': tokenType(types.AtKeyword),
- 'hash-token': tokenType(types.Hash),
- 'string-token': tokenType(types.String),
- 'bad-string-token': tokenType(types.BadString),
- 'url-token': tokenType(types.Url),
- 'bad-url-token': tokenType(types.BadUrl),
- 'delim-token': tokenType(types.Delim),
- 'number-token': tokenType(types.Number),
- 'percentage-token': tokenType(types.Percentage),
- 'dimension-token': tokenType(types.Dimension),
- 'whitespace-token': tokenType(types.WhiteSpace),
- 'CDO-token': tokenType(types.CDO),
- 'CDC-token': tokenType(types.CDC),
- 'colon-token': tokenType(types.Colon),
- 'semicolon-token': tokenType(types.Semicolon),
- 'comma-token': tokenType(types.Comma),
- '[-token': tokenType(types.LeftSquareBracket),
- ']-token': tokenType(types.RightSquareBracket),
- '(-token': tokenType(types.LeftParenthesis),
- ')-token': tokenType(types.RightParenthesis),
- '{-token': tokenType(types.LeftCurlyBracket),
- '}-token': tokenType(types.RightCurlyBracket)
-};
-
-// token production types
-const productionTypes = {
- // token type aliases
- 'string': tokenType(types.String),
- 'ident': tokenType(types.Ident),
-
- // percentage
- 'percentage': calc(percentage),
-
- // numeric
- 'zero': zero(),
- 'number': calc(number),
- 'integer': calc(integer),
-
- // complex types
- 'custom-ident': customIdent,
- 'dashed-ident': dashedIdent,
- 'custom-property-name': customPropertyName,
- 'hex-color': hexColor,
- 'id-selector': idSelector, // element( <id-selector> )
- 'an-plus-b': genericAnPlusB,
- 'urange': genericUrange,
- 'declaration-value': declarationValue,
- 'any-value': anyValue
-};
-
-// dimensions types depend on units set
-function createDemensionTypes(units) {
- const {
- angle,
- decibel,
- frequency,
- flex,
- length,
- resolution,
- semitones,
- time
- } = units || {};
-
- return {
- 'dimension': calc(dimension(null)),
- 'angle': calc(dimension(angle)),
- 'decibel': calc(dimension(decibel)),
- 'frequency': calc(dimension(frequency)),
- 'flex': calc(dimension(flex)),
- 'length': calc(zero(dimension(length))),
- 'resolution': calc(dimension(resolution)),
- 'semitones': calc(dimension(semitones)),
- 'time': calc(dimension(time))
- };
-}
-
-function createGenericTypes(units) {
- return {
- ...tokenTypes,
- ...productionTypes,
- ...createDemensionTypes(units)
- };
-}
-
-exports.createDemensionTypes = createDemensionTypes;
-exports.createGenericTypes = createGenericTypes;
-exports.productionTypes = productionTypes;
-exports.tokenTypes = tokenTypes;
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-25 18:38:31 +0000