forked from zhurui/management
80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* Find language definations.
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*
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* Usage:
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*
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* import ecLangPlugin from 'echarts/build/rollup-plugin-ec-lang';
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* let rollupConfig = {
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* plugins: [
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* ecLangPlugin({lang: 'en'}),
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* ...
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* ]
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* };
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*/
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const {resolve} = require('path');
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const {readFileSync} = require('fs');
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/**
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* @param {Object} [opt]
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* @param {string} [opt.lang=null] null/undefined/'' or 'en' or 'fi' or a file path.
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*/
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function getPlugin(opt) {
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let lang = opt && opt.lang || '';
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return {
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load: function (absolutePath) {
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if (/\/src\/lang\.js$/.test(absolutePath)) {
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let langPath = getLangFileInfo(lang).absolutePath;
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if (langPath) {
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absolutePath = langPath;
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}
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}
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return readFileSync(absolutePath, 'utf-8');
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}
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};
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}
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/**
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* @param {string} lang null/undefined/'' or 'en' or 'fi' or a file path.
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* @return {Object} {isOuter, absolutePath}
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*/
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let getLangFileInfo = getPlugin.getLangFileInfo = function (lang) {
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let absolutePath;
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let isOuter = false;
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if (lang) {
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if (/^[a-zA-Z]{2}$/.test(lang)) {
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absolutePath = resolve(__dirname, '../', 'src/lang' + lang.toUpperCase() + '.js');
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}
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else {
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isOuter = true;
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// `lang` is an absolute path or a relative path based on process.cwd().
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absolutePath = resolve(lang);
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}
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}
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return {isOuter, absolutePath};
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};
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module.exports = getPlugin;
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