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