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authorAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
committerAdam Mathes <adam@adammathes.com>2026-02-14 14:46:37 -0800
commitafa87af01c79a9baa539f2992d32154d2a4739bd (patch)
tree92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/css-tree/cjs/tokenizer/char-code-definitions.cjs
parent3b927e84d200402281f68181cd4253bc77e5528d (diff)
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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
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-'use strict';
-
-const EOF = 0;
-
-// https://drafts.csswg.org/css-syntax-3/
-// § 4.2. Definitions
-
-// digit
-// A code point between U+0030 DIGIT ZERO (0) and U+0039 DIGIT NINE (9).
-function isDigit(code) {
- return code >= 0x0030 && code <= 0x0039;
-}
-
-// hex digit
-// A digit, or a code point between U+0041 LATIN CAPITAL LETTER A (A) and U+0046 LATIN CAPITAL LETTER F (F),
-// or a code point between U+0061 LATIN SMALL LETTER A (a) and U+0066 LATIN SMALL LETTER F (f).
-function isHexDigit(code) {
- return (
- isDigit(code) || // 0 .. 9
- (code >= 0x0041 && code <= 0x0046) || // A .. F
- (code >= 0x0061 && code <= 0x0066) // a .. f
- );
-}
-
-// uppercase letter
-// A code point between U+0041 LATIN CAPITAL LETTER A (A) and U+005A LATIN CAPITAL LETTER Z (Z).
-function isUppercaseLetter(code) {
- return code >= 0x0041 && code <= 0x005A;
-}
-
-// lowercase letter
-// A code point between U+0061 LATIN SMALL LETTER A (a) and U+007A LATIN SMALL LETTER Z (z).
-function isLowercaseLetter(code) {
- return code >= 0x0061 && code <= 0x007A;
-}
-
-// letter
-// An uppercase letter or a lowercase letter.
-function isLetter(code) {
- return isUppercaseLetter(code) || isLowercaseLetter(code);
-}
-
-// non-ASCII code point
-// A code point with a value equal to or greater than U+0080 <control>.
-//
-// 2024-09-02: The latest spec narrows the range for non-ASCII characters (see https://github.com/csstree/csstree/issues/188).
-// However, all modern browsers support a wider range, and strictly following the latest spec could result
-// in some CSS being parsed incorrectly, even though it works in the browser. Therefore, this function adheres
-// to the previous, broader definition of non-ASCII characters.
-function isNonAscii(code) {
- return code >= 0x0080;
-}
-
-// name-start code point
-// A letter, a non-ASCII code point, or U+005F LOW LINE (_).
-function isNameStart(code) {
- return isLetter(code) || isNonAscii(code) || code === 0x005F;
-}
-
-// name code point
-// A name-start code point, a digit, or U+002D HYPHEN-MINUS (-).
-function isName(code) {
- return isNameStart(code) || isDigit(code) || code === 0x002D;
-}
-
-// non-printable code point
-// A code point between U+0000 NULL and U+0008 BACKSPACE, or U+000B LINE TABULATION,
-// or a code point between U+000E SHIFT OUT and U+001F INFORMATION SEPARATOR ONE, or U+007F DELETE.
-function isNonPrintable(code) {
- return (
- (code >= 0x0000 && code <= 0x0008) ||
- (code === 0x000B) ||
- (code >= 0x000E && code <= 0x001F) ||
- (code === 0x007F)
- );
-}
-
-// newline
-// U+000A LINE FEED. Note that U+000D CARRIAGE RETURN and U+000C FORM FEED are not included in this definition,
-// as they are converted to U+000A LINE FEED during preprocessing.
-// TODO: we doesn't do a preprocessing, so check a code point for U+000D CARRIAGE RETURN and U+000C FORM FEED
-function isNewline(code) {
- return code === 0x000A || code === 0x000D || code === 0x000C;
-}
-
-// whitespace
-// A newline, U+0009 CHARACTER TABULATION, or U+0020 SPACE.
-function isWhiteSpace(code) {
- return isNewline(code) || code === 0x0020 || code === 0x0009;
-}
-
-// § 4.3.8. Check if two code points are a valid escape
-function isValidEscape(first, second) {
- // If the first code point is not U+005C REVERSE SOLIDUS (\), return false.
- if (first !== 0x005C) {
- return false;
- }
-
- // Otherwise, if the second code point is a newline or EOF, return false.
- if (isNewline(second) || second === EOF) {
- return false;
- }
-
- // Otherwise, return true.
- return true;
-}
-
-// § 4.3.9. Check if three code points would start an identifier
-function isIdentifierStart(first, second, third) {
- // Look at the first code point:
-
- // U+002D HYPHEN-MINUS
- if (first === 0x002D) {
- // If the second code point is a name-start code point or a U+002D HYPHEN-MINUS,
- // or the second and third code points are a valid escape, return true. Otherwise, return false.
- return (
- isNameStart(second) ||
- second === 0x002D ||
- isValidEscape(second, third)
- );
- }
-
- // name-start code point
- if (isNameStart(first)) {
- // Return true.
- return true;
- }
-
- // U+005C REVERSE SOLIDUS (\)
- if (first === 0x005C) {
- // If the first and second code points are a valid escape, return true. Otherwise, return false.
- return isValidEscape(first, second);
- }
-
- // anything else
- // Return false.
- return false;
-}
-
-// § 4.3.10. Check if three code points would start a number
-function isNumberStart(first, second, third) {
- // Look at the first code point:
-
- // U+002B PLUS SIGN (+)
- // U+002D HYPHEN-MINUS (-)
- if (first === 0x002B || first === 0x002D) {
- // If the second code point is a digit, return true.
- if (isDigit(second)) {
- return 2;
- }
-
- // Otherwise, if the second code point is a U+002E FULL STOP (.)
- // and the third code point is a digit, return true.
- // Otherwise, return false.
- return second === 0x002E && isDigit(third) ? 3 : 0;
- }
-
- // U+002E FULL STOP (.)
- if (first === 0x002E) {
- // If the second code point is a digit, return true. Otherwise, return false.
- return isDigit(second) ? 2 : 0;
- }
-
- // digit
- if (isDigit(first)) {
- // Return true.
- return 1;
- }
-
- // anything else
- // Return false.
- return 0;
-}
-
-//
-// Misc
-//
-
-// detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)
-function isBOM(code) {
- // UTF-16BE
- if (code === 0xFEFF) {
- return 1;
- }
-
- // UTF-16LE
- if (code === 0xFFFE) {
- return 1;
- }
-
- return 0;
-}
-
-// Fast code category
-// Only ASCII code points has a special meaning, that's why we define a maps for 0..127 codes only
-const CATEGORY = new Array(0x80);
-const EofCategory = 0x80;
-const WhiteSpaceCategory = 0x82;
-const DigitCategory = 0x83;
-const NameStartCategory = 0x84;
-const NonPrintableCategory = 0x85;
-
-for (let i = 0; i < CATEGORY.length; i++) {
- CATEGORY[i] =
- isWhiteSpace(i) && WhiteSpaceCategory ||
- isDigit(i) && DigitCategory ||
- isNameStart(i) && NameStartCategory ||
- isNonPrintable(i) && NonPrintableCategory ||
- i || EofCategory;
-}
-
-function charCodeCategory(code) {
- return code < 0x80 ? CATEGORY[code] : NameStartCategory;
-}
-
-exports.DigitCategory = DigitCategory;
-exports.EofCategory = EofCategory;
-exports.NameStartCategory = NameStartCategory;
-exports.NonPrintableCategory = NonPrintableCategory;
-exports.WhiteSpaceCategory = WhiteSpaceCategory;
-exports.charCodeCategory = charCodeCategory;
-exports.isBOM = isBOM;
-exports.isDigit = isDigit;
-exports.isHexDigit = isHexDigit;
-exports.isIdentifierStart = isIdentifierStart;
-exports.isLetter = isLetter;
-exports.isLowercaseLetter = isLowercaseLetter;
-exports.isName = isName;
-exports.isNameStart = isNameStart;
-exports.isNewline = isNewline;
-exports.isNonAscii = isNonAscii;
-exports.isNonPrintable = isNonPrintable;
-exports.isNumberStart = isNumberStart;
-exports.isUppercaseLetter = isUppercaseLetter;
-exports.isValidEscape = isValidEscape;
-exports.isWhiteSpace = isWhiteSpace;