77 lines
2.9 KiB
JavaScript
77 lines
2.9 KiB
JavaScript
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.encodeNonAsciiHTML = exports.encodeHTML = void 0;
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var encode_html_js_1 = __importDefault(require("./generated/encode-html.js"));
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var escape_js_1 = require("./escape.js");
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var htmlReplacer = /[\t\n!-,./:-@[-`\f{-}$\x80-\uFFFF]/g;
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/**
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* Encodes all characters in the input using HTML entities. This includes
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* characters that are valid ASCII characters in HTML documents, such as `#`.
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*
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* To get a more compact output, consider using the `encodeNonAsciiHTML`
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* function, which will only encode characters that are not valid in HTML
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* documents, as well as non-ASCII characters.
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*
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* If a character has no equivalent entity, a numeric hexadecimal reference
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* (eg. `ü`) will be used.
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*/
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function encodeHTML(data) {
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return encodeHTMLTrieRe(htmlReplacer, data);
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}
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exports.encodeHTML = encodeHTML;
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/**
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* Encodes all non-ASCII characters, as well as characters not valid in HTML
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* documents using HTML entities. This function will not encode characters that
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* are valid in HTML documents, such as `#`.
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*
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* If a character has no equivalent entity, a numeric hexadecimal reference
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* (eg. `ü`) will be used.
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*/
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function encodeNonAsciiHTML(data) {
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return encodeHTMLTrieRe(escape_js_1.xmlReplacer, data);
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}
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exports.encodeNonAsciiHTML = encodeNonAsciiHTML;
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function encodeHTMLTrieRe(regExp, str) {
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var ret = "";
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var lastIdx = 0;
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var match;
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while ((match = regExp.exec(str)) !== null) {
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var i = match.index;
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ret += str.substring(lastIdx, i);
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var char = str.charCodeAt(i);
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var next = encode_html_js_1.default.get(char);
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if (typeof next === "object") {
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// We are in a branch. Try to match the next char.
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if (i + 1 < str.length) {
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var nextChar = str.charCodeAt(i + 1);
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var value = typeof next.n === "number"
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? next.n === nextChar
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? next.o
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: undefined
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: next.n.get(nextChar);
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if (value !== undefined) {
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ret += value;
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lastIdx = regExp.lastIndex += 1;
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continue;
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}
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}
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next = next.v;
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}
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// We might have a tree node without a value; skip and use a numeric entity.
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if (next !== undefined) {
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ret += next;
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lastIdx = i + 1;
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}
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else {
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var cp = (0, escape_js_1.getCodePoint)(str, i);
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ret += "&#x".concat(cp.toString(16), ";");
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// Increase by 1 if we have a surrogate pair
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lastIdx = regExp.lastIndex += Number(cp !== char);
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}
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}
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return ret + str.substr(lastIdx);
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}
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//# sourceMappingURL=encode.js.map
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