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| author | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
|---|---|---|
| committer | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
| commit | afa87af01c79a9baa539f2992d32154d2a4739bd (patch) | |
| tree | 92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/css-tree/lib/lexer/generic.js | |
| parent | 3b927e84d200402281f68181cd4253bc77e5528d (diff) | |
| download | neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.gz neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.bz2 neko-afa87af01c79a9baa539f2992d32154d2a4739bd.zip | |
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
Diffstat (limited to 'vanilla/node_modules/css-tree/lib/lexer/generic.js')
| -rw-r--r-- | vanilla/node_modules/css-tree/lib/lexer/generic.js | 622 |
1 files changed, 0 insertions, 622 deletions
diff --git a/vanilla/node_modules/css-tree/lib/lexer/generic.js b/vanilla/node_modules/css-tree/lib/lexer/generic.js deleted file mode 100644 index 422e130..0000000 --- a/vanilla/node_modules/css-tree/lib/lexer/generic.js +++ /dev/null @@ -1,622 +0,0 @@ -import { cssWideKeywords } from './generic-const.js'; -import anPlusB from './generic-an-plus-b.js'; -import urange from './generic-urange.js'; -import { - isIdentifierStart, - isHexDigit, - isDigit, - cmpStr, - consumeNumber, - - Ident, - Function as FunctionToken, - AtKeyword, - Hash, - String as StringToken, - BadString, - Url, - BadUrl, - Delim, - Number as NumberToken, - Percentage, - Dimension, - WhiteSpace, - CDO, - CDC, - Colon, - Semicolon, - Comma, - LeftSquareBracket, - RightSquareBracket, - LeftParenthesis, - RightParenthesis, - LeftCurlyBracket, - RightCurlyBracket -} from '../tokenizer/index.js'; - -const calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc(']; -const balancePair = new Map([ - [FunctionToken, RightParenthesis], - [LeftParenthesis, RightParenthesis], - [LeftSquareBracket, RightSquareBracket], - [LeftCurlyBracket, RightCurlyBracket] -]); - -// safe char code getter -function charCodeAt(str, index) { - return index < str.length ? str.charCodeAt(index) : 0; -} - -function eqStr(actual, expected) { - return 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 (\) - 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 RightCurlyBracket: - case RightParenthesis: - case RightSquareBracket: - if (token.type !== balanceCloseType) { - break scan; - } - - balanceCloseType = balanceStash.pop(); - - if (balanceStash.length === 0) { - length++; - break scan; - } - - break; - - case FunctionToken: - case LeftParenthesis: - case LeftSquareBracket: - case 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 === FunctionToken && 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 !== Ident) { - return 0; - } - - const name = token.value.toLowerCase(); - - // The CSS-wide keywords are not valid <custom-ident>s - if (eqStrAny(name, 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 !== 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 !== 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 (!isHexDigit(charCodeAt(token.value, i))) { - return 0; - } - } - - return 1; -} - -function idSelector(token) { - if (token === null || token.type !== Hash) { - return 0; - } - - if (!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 BadString: - case BadUrl: - break scan; - - // ... unmatched <)-token>, <]-token>, or <}-token>, - case RightCurlyBracket: - case RightParenthesis: - case RightSquareBracket: - if (token.type !== balanceCloseType) { - break scan; - } - - balanceCloseType = balanceStash.pop(); - break; - - // ... or top-level <semicolon-token> tokens - case Semicolon: - if (balanceCloseType === 0) { - break scan; - } - - break; - - // ... or <delim-token> tokens with a value of "!" - case Delim: - if (balanceCloseType === 0 && token.value === '!') { - break scan; - } - - break; - - case FunctionToken: - case LeftParenthesis: - case LeftSquareBracket: - case 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 BadString: - case BadUrl: - break scan; - - // ... unmatched <)-token>, <]-token>, or <}-token>, - case RightCurlyBracket: - case RightParenthesis: - case RightSquareBracket: - if (token.type !== balanceCloseType) { - break scan; - } - - balanceCloseType = balanceStash.pop(); - break; - - case FunctionToken: - case LeftParenthesis: - case LeftSquareBracket: - case 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 !== Dimension) { - return 0; - } - - const numberEnd = 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 !== 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 === NumberToken) { - 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 = 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 !== NumberToken) { - 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 (!isDigit(charCodeAt(token.value, i))) { - return 0; - } - } - - // check range if specified - if (outOfRange(opts, token.value, i)) { - return 0; - } - - return 1; -} - -// token types -export const tokenTypes = { - 'ident-token': tokenType(Ident), - 'function-token': tokenType(FunctionToken), - 'at-keyword-token': tokenType(AtKeyword), - 'hash-token': tokenType(Hash), - 'string-token': tokenType(StringToken), - 'bad-string-token': tokenType(BadString), - 'url-token': tokenType(Url), - 'bad-url-token': tokenType(BadUrl), - 'delim-token': tokenType(Delim), - 'number-token': tokenType(NumberToken), - 'percentage-token': tokenType(Percentage), - 'dimension-token': tokenType(Dimension), - 'whitespace-token': tokenType(WhiteSpace), - 'CDO-token': tokenType(CDO), - 'CDC-token': tokenType(CDC), - 'colon-token': tokenType(Colon), - 'semicolon-token': tokenType(Semicolon), - 'comma-token': tokenType(Comma), - '[-token': tokenType(LeftSquareBracket), - ']-token': tokenType(RightSquareBracket), - '(-token': tokenType(LeftParenthesis), - ')-token': tokenType(RightParenthesis), - '{-token': tokenType(LeftCurlyBracket), - '}-token': tokenType(RightCurlyBracket) -}; - -// token production types -export const productionTypes = { - // token type aliases - 'string': tokenType(StringToken), - 'ident': tokenType(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': anPlusB, - 'urange': urange, - 'declaration-value': declarationValue, - 'any-value': anyValue -}; - -export const unitGroups = [ - 'length', - 'angle', - 'time', - 'frequency', - 'resolution', - 'flex', - 'decibel', - 'semitones' -]; - -// dimensions types depend on units set -export 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)) - }; -} - -export function createGenericTypes(units) { - return { - ...tokenTypes, - ...productionTypes, - ...createDemensionTypes(units) - }; -}; |
