diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 15:05:55 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 15:05:55 +0800 |
| commit | c06f7ee0a40255214c477e13d9b956a7e07c2900 (patch) | |
| tree | f5982a568ef8fab865d0142e71c7494fea3e4c1b /node_modules/entities/lib/esm/escape.js | |
| parent | 3fd9400d4dccc25aa29b5702216732e0b7542073 (diff) | |
postcss,(plugins): nanocss, postcss-preset-env
Diffstat (limited to 'node_modules/entities/lib/esm/escape.js')
| -rw-r--r-- | node_modules/entities/lib/esm/escape.js | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/node_modules/entities/lib/esm/escape.js b/node_modules/entities/lib/esm/escape.js new file mode 100644 index 00000000..c64da6eb --- /dev/null +++ b/node_modules/entities/lib/esm/escape.js @@ -0,0 +1,116 @@ +export const xmlReplacer = /["&'<>$\x80-\uFFFF]/g; +const xmlCodeMap = new Map([ + [34, """], + [38, "&"], + [39, "'"], + [60, "<"], + [62, ">"], +]); +// For compatibility with node < 4, we wrap `codePointAt` +export const getCodePoint = +// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition +String.prototype.codePointAt != null + ? (str, index) => str.codePointAt(index) + : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + (c, index) => (c.charCodeAt(index) & 0xfc00) === 0xd800 + ? (c.charCodeAt(index) - 0xd800) * 0x400 + + c.charCodeAt(index + 1) - + 0xdc00 + + 0x10000 + : c.charCodeAt(index); +/** + * Encodes all non-ASCII characters, as well as characters not valid in XML + * documents using XML entities. + * + * If a character has no equivalent entity, a + * numeric hexadecimal reference (eg. `ü`) will be used. + */ +export function encodeXML(str) { + let ret = ""; + let lastIdx = 0; + let match; + while ((match = xmlReplacer.exec(str)) !== null) { + const i = match.index; + const char = str.charCodeAt(i); + const next = xmlCodeMap.get(char); + if (next !== undefined) { + ret += str.substring(lastIdx, i) + next; + lastIdx = i + 1; + } + else { + ret += `${str.substring(lastIdx, i)}&#x${getCodePoint(str, i).toString(16)};`; + // Increase by 1 if we have a surrogate pair + lastIdx = xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800); + } + } + return ret + str.substr(lastIdx); +} +/** + * Encodes all non-ASCII characters, as well as characters not valid in XML + * documents using numeric hexadecimal reference (eg. `ü`). + * + * Have a look at `escapeUTF8` if you want a more concise output at the expense + * of reduced transportability. + * + * @param data String to escape. + */ +export const escape = encodeXML; +/** + * Creates a function that escapes all characters matched by the given regular + * expression using the given map of characters to escape to their entities. + * + * @param regex Regular expression to match characters to escape. + * @param map Map of characters to escape to their entities. + * + * @returns Function that escapes all characters matched by the given regular + * expression using the given map of characters to escape to their entities. + */ +function getEscaper(regex, map) { + return function escape(data) { + let match; + let lastIdx = 0; + let result = ""; + while ((match = regex.exec(data))) { + if (lastIdx !== match.index) { + result += data.substring(lastIdx, match.index); + } + // We know that this character will be in the map. + result += map.get(match[0].charCodeAt(0)); + // Every match will be of length 1 + lastIdx = match.index + 1; + } + return result + data.substring(lastIdx); + }; +} +/** + * Encodes all characters not valid in XML documents using XML entities. + * + * Note that the output will be character-set dependent. + * + * @param data String to escape. + */ +export const escapeUTF8 = getEscaper(/[&<>'"]/g, xmlCodeMap); +/** + * Encodes all characters that have to be escaped in HTML attributes, + * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}. + * + * @param data String to escape. + */ +export const escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([ + [34, """], + [38, "&"], + [160, " "], +])); +/** + * Encodes all characters that have to be escaped in HTML text, + * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}. + * + * @param data String to escape. + */ +export const escapeText = getEscaper(/[&<>\u00A0]/g, new Map([ + [38, "&"], + [60, "<"], + [62, ">"], + [160, " "], +])); +//# sourceMappingURL=escape.js.map
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