gnezim
107 lines
2.3 KiB
JavaScript
107 lines
2.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.propname = propname;
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exports.funcname = funcname;
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exports.biDiMarkText = biDiMarkText;
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const reservedES3 = {
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break: true,
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continue: true,
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delete: true,
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else: true,
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for: true,
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function: true,
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if: true,
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in: true,
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new: true,
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return: true,
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this: true,
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typeof: true,
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var: true,
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void: true,
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while: true,
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with: true,
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case: true,
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catch: true,
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default: true,
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do: true,
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finally: true,
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instanceof: true,
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switch: true,
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throw: true,
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try: true
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};
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const reservedES5 = {
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// in addition to reservedES3
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debugger: true,
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class: true,
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enum: true,
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extends: true,
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super: true,
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const: true,
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export: true,
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import: true,
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null: true,
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true: true,
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false: true,
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implements: true,
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let: true,
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private: true,
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public: true,
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yield: true,
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interface: true,
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package: true,
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protected: true,
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static: true
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};
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/**
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* Utility function for quoting an Object's key value if required
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*
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* Quotes the key if it contains invalid characters or is an
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* ECMAScript 3rd Edition reserved word (for IE8).
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*
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* @private
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*/
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function propname(key, obj) {
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if (/^[A-Z_$][0-9A-Z_$]*$/i.test(key) && !reservedES3[key]) {
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return obj ? `${obj}.${key}` : key;
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} else {
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const jkey = JSON.stringify(key);
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return obj ? obj + `[${jkey}]` : jkey;
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}
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}
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/**
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* Utility function for escaping a function name if required
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*
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* @private
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*/
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function funcname(key) {
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const fn = key.trim().replace(/\W+/g, '_');
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return reservedES3[fn] || reservedES5[fn] || /^\d/.test(fn) ? '_' + fn : fn;
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}
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const rtlLanguages = ['ar', 'ckb', 'fa', 'he', 'ks($|[^bfh])', 'lrc', 'mzn', 'pa-Arab', 'ps', 'ug', 'ur', 'uz-Arab', 'yi'];
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const rtlRegExp = new RegExp('^' + rtlLanguages.join('|^'));
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/**
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* Utility formatter function for enforcing Bidi Structured Text by using UCC
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*
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* List inlined from data extracted from CLDR v27 & v28
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* To verify/recreate, use the following:
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*
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* git clone https://github.com/unicode-cldr/cldr-misc-full.git
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* cd cldr-misc-full/main/
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* grep characterOrder -r . | tr '"/' '\t' | cut -f2,6 | grep -C4 right-to-left
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*
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* @private
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*/
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function biDiMarkText(text, locale) {
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const isLocaleRTL = rtlRegExp.test(locale);
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const mark = JSON.stringify(isLocaleRTL ? '\u200F' : '\u200E');
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return `${mark} + ${text} + ${mark}`;
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} |