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Diffstat (limited to 'node_modules/entities/lib/encode.js')
-rw-r--r-- | node_modules/entities/lib/encode.js | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/node_modules/entities/lib/encode.js b/node_modules/entities/lib/encode.js new file mode 100644 index 0000000..d11b238 --- /dev/null +++ b/node_modules/entities/lib/encode.js @@ -0,0 +1,136 @@ +"use strict"; +var __importDefault = (this && this.__importDefault) || function (mod) { + return (mod && mod.__esModule) ? mod : { "default": mod }; +}; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = void 0; +var xml_json_1 = __importDefault(require("./maps/xml.json")); +var inverseXML = getInverseObj(xml_json_1.default); +var xmlReplacer = getInverseReplacer(inverseXML); +/** + * 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. + */ +exports.encodeXML = getASCIIEncoder(inverseXML); +var entities_json_1 = __importDefault(require("./maps/entities.json")); +var inverseHTML = getInverseObj(entities_json_1.default); +var htmlReplacer = getInverseReplacer(inverseHTML); +/** + * Encodes all entities and non-ASCII characters in the input. + * + * This includes characters that are valid ASCII characters in HTML documents. + * For example `#` will be encoded as `#`. To get a more compact output, + * consider using the `encodeNonAsciiHTML` function. + * + * If a character has no equivalent entity, a + * numeric hexadecimal reference (eg. `ü`) will be used. + */ +exports.encodeHTML = getInverse(inverseHTML, htmlReplacer); +/** + * Encodes all non-ASCII characters, as well as characters not valid in HTML + * documents using HTML entities. + * + * If a character has no equivalent entity, a + * numeric hexadecimal reference (eg. `ü`) will be used. + */ +exports.encodeNonAsciiHTML = getASCIIEncoder(inverseHTML); +function getInverseObj(obj) { + return Object.keys(obj) + .sort() + .reduce(function (inverse, name) { + inverse[obj[name]] = "&" + name + ";"; + return inverse; + }, {}); +} +function getInverseReplacer(inverse) { + var single = []; + var multiple = []; + for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) { + var k = _a[_i]; + if (k.length === 1) { + // Add value to single array + single.push("\\" + k); + } + else { + // Add value to multiple array + multiple.push(k); + } + } + // Add ranges to single characters. + single.sort(); + for (var start = 0; start < single.length - 1; start++) { + // Find the end of a run of characters + var end = start; + while (end < single.length - 1 && + single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) { + end += 1; + } + var count = 1 + end - start; + // We want to replace at least three characters + if (count < 3) + continue; + single.splice(start, count, single[start] + "-" + single[end]); + } + multiple.unshift("[" + single.join("") + "]"); + return new RegExp(multiple.join("|"), "g"); +} +// /[^\0-\x7F]/gu +var reNonASCII = /(?:[\x80-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g; +var getCodePoint = +// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition +String.prototype.codePointAt != null + ? // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + function (str) { return str.codePointAt(0); } + : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + function (c) { + return (c.charCodeAt(0) - 0xd800) * 0x400 + + c.charCodeAt(1) - + 0xdc00 + + 0x10000; + }; +function singleCharReplacer(c) { + return "&#x" + (c.length > 1 ? getCodePoint(c) : c.charCodeAt(0)) + .toString(16) + .toUpperCase() + ";"; +} +function getInverse(inverse, re) { + return function (data) { + return data + .replace(re, function (name) { return inverse[name]; }) + .replace(reNonASCII, singleCharReplacer); + }; +} +var reEscapeChars = new RegExp(xmlReplacer.source + "|" + reNonASCII.source, "g"); +/** + * 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. + */ +function escape(data) { + return data.replace(reEscapeChars, singleCharReplacer); +} +exports.escape = escape; +/** + * Encodes all characters not valid in XML documents using numeric hexadecimal + * reference (eg. `ü`). + * + * Note that the output will be character-set dependent. + * + * @param data String to escape. + */ +function escapeUTF8(data) { + return data.replace(xmlReplacer, singleCharReplacer); +} +exports.escapeUTF8 = escapeUTF8; +function getASCIIEncoder(obj) { + return function (data) { + return data.replace(reEscapeChars, function (c) { return obj[c] || singleCharReplacer(c); }); + }; +} |