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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/utils.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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@@ -1,261 +0,0 @@
-'use strict';
-
-const charCodeDefinitions = require('./char-code-definitions.cjs');
-
-function getCharCode(source, offset) {
- return offset < source.length ? source.charCodeAt(offset) : 0;
-}
-
-function getNewlineLength(source, offset, code) {
- if (code === 13 /* \r */ && getCharCode(source, offset + 1) === 10 /* \n */) {
- return 2;
- }
-
- return 1;
-}
-
-function cmpChar(testStr, offset, referenceCode) {
- let code = testStr.charCodeAt(offset);
-
- // code.toLowerCase() for A..Z
- if (charCodeDefinitions.isUppercaseLetter(code)) {
- code = code | 32;
- }
-
- return code === referenceCode;
-}
-
-function cmpStr(testStr, start, end, referenceStr) {
- if (end - start !== referenceStr.length) {
- return false;
- }
-
- if (start < 0 || end > testStr.length) {
- return false;
- }
-
- for (let i = start; i < end; i++) {
- const referenceCode = referenceStr.charCodeAt(i - start);
- let testCode = testStr.charCodeAt(i);
-
- // testCode.toLowerCase() for A..Z
- if (charCodeDefinitions.isUppercaseLetter(testCode)) {
- testCode = testCode | 32;
- }
-
- if (testCode !== referenceCode) {
- return false;
- }
- }
-
- return true;
-}
-
-function findWhiteSpaceStart(source, offset) {
- for (; offset >= 0; offset--) {
- if (!charCodeDefinitions.isWhiteSpace(source.charCodeAt(offset))) {
- break;
- }
- }
-
- return offset + 1;
-}
-
-function findWhiteSpaceEnd(source, offset) {
- for (; offset < source.length; offset++) {
- if (!charCodeDefinitions.isWhiteSpace(source.charCodeAt(offset))) {
- break;
- }
- }
-
- return offset;
-}
-
-function findDecimalNumberEnd(source, offset) {
- for (; offset < source.length; offset++) {
- if (!charCodeDefinitions.isDigit(source.charCodeAt(offset))) {
- break;
- }
- }
-
- return offset;
-}
-
-// § 4.3.7. Consume an escaped code point
-function consumeEscaped(source, offset) {
- // It assumes that the U+005C REVERSE SOLIDUS (\) has already been consumed and
- // that the next input code point has already been verified to be part of a valid escape.
- offset += 2;
-
- // hex digit
- if (charCodeDefinitions.isHexDigit(getCharCode(source, offset - 1))) {
- // Consume as many hex digits as possible, but no more than 5.
- // Note that this means 1-6 hex digits have been consumed in total.
- for (const maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {
- if (!charCodeDefinitions.isHexDigit(getCharCode(source, offset))) {
- break;
- }
- }
-
- // If the next input code point is whitespace, consume it as well.
- const code = getCharCode(source, offset);
- if (charCodeDefinitions.isWhiteSpace(code)) {
- offset += getNewlineLength(source, offset, code);
- }
- }
-
- return offset;
-}
-
-// §4.3.11. Consume a name
-// Note: This algorithm does not do the verification of the first few code points that are necessary
-// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,
-// ensure that the stream starts with an identifier before calling this algorithm.
-function consumeName(source, offset) {
- // Let result initially be an empty string.
- // Repeatedly consume the next input code point from the stream:
- for (; offset < source.length; offset++) {
- const code = source.charCodeAt(offset);
-
- // name code point
- if (charCodeDefinitions.isName(code)) {
- // Append the code point to result.
- continue;
- }
-
- // the stream starts with a valid escape
- if (charCodeDefinitions.isValidEscape(code, getCharCode(source, offset + 1))) {
- // Consume an escaped code point. Append the returned code point to result.
- offset = consumeEscaped(source, offset) - 1;
- continue;
- }
-
- // anything else
- // Reconsume the current input code point. Return result.
- break;
- }
-
- return offset;
-}
-
-// §4.3.12. Consume a number
-function consumeNumber(source, offset) {
- let code = source.charCodeAt(offset);
-
- // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),
- // consume it and append it to repr.
- if (code === 0x002B || code === 0x002D) {
- code = source.charCodeAt(offset += 1);
- }
-
- // 3. While the next input code point is a digit, consume it and append it to repr.
- if (charCodeDefinitions.isDigit(code)) {
- offset = findDecimalNumberEnd(source, offset + 1);
- code = source.charCodeAt(offset);
- }
-
- // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:
- if (code === 0x002E && charCodeDefinitions.isDigit(source.charCodeAt(offset + 1))) {
- // 4.1 Consume them.
- // 4.2 Append them to repr.
- offset += 2;
-
- // 4.3 Set type to "number".
- // TODO
-
- // 4.4 While the next input code point is a digit, consume it and append it to repr.
-
- offset = findDecimalNumberEnd(source, offset);
- }
-
- // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)
- // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:
- if (cmpChar(source, offset, 101 /* e */)) {
- let sign = 0;
- code = source.charCodeAt(offset + 1);
-
- // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...
- if (code === 0x002D || code === 0x002B) {
- sign = 1;
- code = source.charCodeAt(offset + 2);
- }
-
- // ... followed by a digit
- if (charCodeDefinitions.isDigit(code)) {
- // 5.1 Consume them.
- // 5.2 Append them to repr.
-
- // 5.3 Set type to "number".
- // TODO
-
- // 5.4 While the next input code point is a digit, consume it and append it to repr.
- offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);
- }
- }
-
- return offset;
-}
-
-// § 4.3.14. Consume the remnants of a bad url
-// ... its sole use is to consume enough of the input stream to reach a recovery point
-// where normal tokenizing can resume.
-function consumeBadUrlRemnants(source, offset) {
- // Repeatedly consume the next input code point from the stream:
- for (; offset < source.length; offset++) {
- const code = source.charCodeAt(offset);
-
- // U+0029 RIGHT PARENTHESIS ())
- // EOF
- if (code === 0x0029) {
- // Return.
- offset++;
- break;
- }
-
- if (charCodeDefinitions.isValidEscape(code, getCharCode(source, offset + 1))) {
- // Consume an escaped code point.
- // Note: This allows an escaped right parenthesis ("\)") to be encountered
- // without ending the <bad-url-token>. This is otherwise identical to
- // the "anything else" clause.
- offset = consumeEscaped(source, offset);
- }
- }
-
- return offset;
-}
-
-// § 4.3.7. Consume an escaped code point
-// Note: This algorithm assumes that escaped is valid without leading U+005C REVERSE SOLIDUS (\)
-function decodeEscaped(escaped) {
- // Single char escaped that's not a hex digit
- if (escaped.length === 1 && !charCodeDefinitions.isHexDigit(escaped.charCodeAt(0))) {
- return escaped[0];
- }
-
- // Interpret the hex digits as a hexadecimal number.
- let code = parseInt(escaped, 16);
-
- if (
- (code === 0) || // If this number is zero,
- (code >= 0xD800 && code <= 0xDFFF) || // or is for a surrogate,
- (code > 0x10FFFF) // or is greater than the maximum allowed code point
- ) {
- // ... return U+FFFD REPLACEMENT CHARACTER
- code = 0xFFFD;
- }
-
- // Otherwise, return the code point with that value.
- return String.fromCodePoint(code);
-}
-
-exports.cmpChar = cmpChar;
-exports.cmpStr = cmpStr;
-exports.consumeBadUrlRemnants = consumeBadUrlRemnants;
-exports.consumeEscaped = consumeEscaped;
-exports.consumeName = consumeName;
-exports.consumeNumber = consumeNumber;
-exports.decodeEscaped = decodeEscaped;
-exports.findDecimalNumberEnd = findDecimalNumberEnd;
-exports.findWhiteSpaceEnd = findWhiteSpaceEnd;
-exports.findWhiteSpaceStart = findWhiteSpaceStart;
-exports.getNewlineLength = getNewlineLength;