138 lines
4.6 KiB
JavaScript
138 lines
4.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.t = t;
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/**
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* 在wxs环境下实现部分i18n-js内的逻辑
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* 参见i18n-js/src/i18n.ts中的translate逻辑
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*
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* 这里为了能在小程序的wxs环境中运行，部分代码写的很奇怪
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* 还需要在编译时将正则统一编译成小程序的 getRegExp 语法
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*/
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function isSet(value) {
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return value !== undefined && value !== null;
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}
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function get(object, path) {
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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 (path.split('.').reduce((o, k) => {
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return (o || {})[k];
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}, object));
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}
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function _getPlural(count) {
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switch (count) {
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case 0: {
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return 'zero';
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}
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case 1: {
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return 'one';
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}
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default: {
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return 'other';
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}
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}
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}
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const PlaceHolder = /(?:\{\{|%\{)(.*?)(?:\}\}?)/gm;
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function interpolate(message, options) {
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if (typeof message === 'string') {
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// 实测下这个正则在小程序wxs环境中过不去，原因未知 by Xc
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const matches = message.match(PlaceHolder);
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if (!matches) {
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return message;
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}
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while (matches.length) {
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let value;
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const placeholder = matches.shift();
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const name = placeholder.replace(PlaceHolder, "$1");
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if (isSet(options[name])) {
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value = options[name].toString().replace(/\$/gm, "_#$#_");
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}
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else if (options.hasOwnProperty(name)) {
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value = '';
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}
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else {
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value = `!missing placeholder ${name}`;
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}
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const regex = new RegExp(placeholder.replace(/\{/gm, "\\{").replace(/\}/gm, "\\}"));
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message = message.replace(regex, value);
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}
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return message.replace(/_#\$#_/g, "$");
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}
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else if (typeof message === 'object' && isSet(options.count)) {
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// 复数形式
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const pluralization = _getPlural(options.count);
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const message2 = message[pluralization];
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return interpolate(message2, options);
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}
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else {
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return `!unrecoganized locales: ${JSON.stringify(message)}`;
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}
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}
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function constructFullKey(key, namespace, moduleName) {
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let key2 = key;
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if (key.indexOf('::') > 0) {
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// 公共模块
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key2 = `${moduleName}-l-${key}`.replace('::', '.');
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}
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else if (key.indexOf(':') > 0) {
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// entity
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key2 = key.replace(':', '.');
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}
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else {
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// 自身模块
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key2 = `${namespace}.${key}`;
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}
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return key2;
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}
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let Instance = undefined;
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function t(key, p1, p2, p3, p4, p5, p6) {
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let fullKey = '';
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let hasLocale = false;
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if (arguments.length === 7) {
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// key, params, oakLocales, oakLng, oakDefaultLng, namespace, module
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const params = p1, locales = p2, lng = p3, defaultLng = p4, namespace = p5, moduleName = p6;
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if (locales && lng) {
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hasLocale = true;
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fullKey = constructFullKey(key, namespace, moduleName);
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const { [lng]: lngLocales } = locales;
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const lngTrans = lngLocales && get(lngLocales, fullKey);
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if (lngTrans) {
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return interpolate(lngTrans, params);
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}
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if (defaultLng) {
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const { [defaultLng]: dftLngLocales } = locales;
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const dftLngTrans = dftLngLocales && get(dftLngLocales, fullKey);
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if (dftLngTrans) {
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return interpolate(dftLngTrans, params);
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}
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}
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}
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}
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else if (arguments.length === 6) {
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const locales = p1, lng = p2, defaultLng = p3, namespace = p4, moduleName = p5;
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if (locales && lng) {
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hasLocale = true;
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fullKey = constructFullKey(key, namespace, moduleName);
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const { [lng]: lngLocales } = locales;
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const lngTrans = lngLocales && get(lngLocales, fullKey);
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if (lngTrans) {
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return lngTrans;
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}
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if (defaultLng) {
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const { [defaultLng]: dftLngLocales } = locales;
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const dftLngTrans = dftLngLocales && get(dftLngLocales, fullKey);
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if (dftLngTrans) {
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return dftLngTrans;
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}
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}
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}
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}
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// 到这里说明miss了，通知AppService层，并返回value
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if (hasLocale && Instance) {
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// todo
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Instance.callMethod('loadMissedLocales', fullKey);
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}
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return fullKey.split('.').pop();
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}
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function propObserver(locales, oldValue, instance) {
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Instance = instance;
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}
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