57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.lookUpAST = lookUpAST;
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/**
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* Common runtime logic between js and wxs
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*/
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function get(object, path, defaultValue) {
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// 判断 object 是否是数组或者对象，否则直接返回默认值 defaultValue
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if (typeof object !== 'object')
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return defaultValue;
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// 沿着路径寻找到对应的值，未找到则返回默认值 defaultValue
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return (_basePath(path).reduce((o, k) => {
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return (o || {})[k];
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}, object) || defaultValue);
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}
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function _basePath(path) {
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if (Array.isArray(path))
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return path;
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// 若有 '[',']'，则替换成将 '[' 替换成 '.',去掉 ']'
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return path.replace(/\[/g, '.').replace(/\]/g, '').split('.');
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}
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// 判断key是否存在问号， 存在替换成.
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function getKey(key) {
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let key2 = key;
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if (key2 && key2.indexOf(':') !== -1) {
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key2 = key.replace(new RegExp(':', 'ig'), '.');
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}
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return key2;
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}
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function lookUpASTFallback(translations, fallbackLocale, key) {
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const key2 = getKey(key);
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const fallbackTranslation = translations[fallbackLocale];
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if (!fallbackTranslation) {
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return key;
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}
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let translation = fallbackTranslation[key2];
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if (!translation) {
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translation = get(fallbackTranslation, key2);
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}
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return translation || key;
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}
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function lookUpAST(key, translations, locale, fallbackLocale) {
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const key2 = getKey(key);
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const translationsForLocale = translations[locale];
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if (!translationsForLocale) {
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return lookUpASTFallback(translations, fallbackLocale, key);
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}
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let translation = translationsForLocale[key2];
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if (!translation) {
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translation = get(translationsForLocale, key2);
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}
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if (!translation) {
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return lookUpASTFallback(translations, fallbackLocale, key);
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}
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return translation;
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}
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