修改说明文档，增加打包之后的产物，方便后续拉取

.gitignore

@@ -1,4 +1,3 @@
 node_modules
-build
 .idea
 *.DS_Store*

README.md

@@ -54,6 +54,12 @@ Steps:
 
    (For reference follow: https://thoughtbot.com/blog/how-to-make-a-chrome-extension)
 
+5. 如果你想获取打包之后的产物
+    ```bash
+    npm run pack
+    ```
+6. 如果不能访问谷歌应用商店，可以直接使用项目目录中的 `span-tree-gitlab`
+
 ## 💳 Credits
 
 SpanTree uses the following open-source packages:

build/addHeader.js

@@ -0,0 +1,183 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+const fs = require('fs');
+const preamble = require('./preamble');
+const pathTool = require('path');
+const chalk = require('chalk');
+
+// In the `.headerignore`, each line is a pattern in RegExp.
+// all relative path (based on the echarts base directory) is tested.
+// The pattern should match the relative path completely.
+const excludesPath = pathTool.join(__dirname, '../.headerignore');
+const ecBasePath = pathTool.join(__dirname, '../');
+
+const isVerbose = process.argv[2] === '--verbose';
+
+// const lists = [
+//     '../src/**/*.js',
+//     '../build/*.js',
+//     '../benchmark/src/*.js',
+//     '../benchmark/src/gulpfile.js',
+//     '../extension-src/**/*.js',
+//     '../extension/**/*.js',
+//     '../map/js/**/*.js',
+//     '../test/build/**/*.js',
+//     '../test/node/**/*.js',
+//     '../test/ut/core/*.js',
+//     '../test/ut/spe/*.js',
+//     '../test/ut/ut.js',
+//     '../test/*.js',
+//     '../theme/*.js',
+//     '../theme/tool/**/*.js',
+//     '../echarts.all.js',
+//     '../echarts.blank.js',
+//     '../echarts.common.js',
+//     '../echarts.simple.js',
+//     '../index.js',
+//     '../index.common.js',
+//     '../index.simple.js'
+// ];
+
+function run() {
+    const updatedFiles = [];
+    const passFiles = [];
+    const pendingFiles = [];
+
+    eachFile(function (absolutePath, fileExt) {
+        const fileStr = fs.readFileSync(absolutePath, 'utf-8');
+
+        const existLicense = preamble.extractLicense(fileStr, fileExt);
+
+        if (existLicense) {
+            passFiles.push(absolutePath);
+            return;
+        }
+
+        // Conside binary files, only add for files with known ext.
+        if (!preamble.hasPreamble(fileExt)) {
+            pendingFiles.push(absolutePath);
+            return;
+        }
+
+        fs.writeFileSync(absolutePath, preamble.addPreamble(fileStr, fileExt), 'utf-8');
+        updatedFiles.push(absolutePath);
+    });
+
+    console.log('\n');
+    console.log('----------------------------');
+    console.log(' Files that exists license: ');
+    console.log('----------------------------');
+    if (passFiles.length) {
+        if (isVerbose) {
+            passFiles.forEach(function (path) {
+                console.log(chalk.green(path));
+            });
+        }
+        else {
+            console.log(chalk.green(passFiles.length + ' files. (use argument "--verbose" see details)'));
+        }
+    }
+    else {
+        console.log('Nothing.');
+    }
+
+    console.log('\n');
+    console.log('--------------------');
+    console.log(' License added for: ');
+    console.log('--------------------');
+    if (updatedFiles.length) {
+        updatedFiles.forEach(function (path) {
+            console.log(chalk.green(path));
+        });
+    }
+    else {
+        console.log('Nothing.');
+    }
+
+    console.log('\n');
+    console.log('----------------');
+    console.log(' Pending files: ');
+    console.log('----------------');
+    if (pendingFiles.length) {
+        pendingFiles.forEach(function (path) {
+            console.log(chalk.red(path));
+        });
+    }
+    else {
+        console.log('Nothing.');
+    }
+
+    console.log('\nDone.');
+}
+
+function eachFile(visit) {
+
+    const excludePatterns = [];
+    const extReg = /\.([a-zA-Z0-9_-]+)$/;
+
+    prepareExcludePatterns();
+    travel('./');
+
+    function travel(relativePath) {
+        if (isExclude(relativePath)) {
+            return;
+        }
+
+        const absolutePath = pathTool.join(ecBasePath, relativePath);
+        const stat = fs.statSync(absolutePath);
+
+        if (stat.isFile()) {
+            visit(absolutePath, getExt(absolutePath));
+        }
+        else if (stat.isDirectory()) {
+            fs.readdirSync(relativePath).forEach(function (file) {
+                travel(pathTool.join(relativePath, file));
+            });
+        }
+    }
+
+    function prepareExcludePatterns() {
+        const content = fs.readFileSync(excludesPath, {encoding: 'utf-8'});
+        content.replace(/\r/g, '\n').split('\n').forEach(function (line) {
+            line = line.trim();
+            if (line && line.charAt(0) !== '#') {
+                excludePatterns.push(new RegExp(line));
+            }
+        });
+    }
+
+    function isExclude(relativePath) {
+        for (let i = 0; i < excludePatterns.length; i++) {
+            if (excludePatterns[i].test(relativePath)) {
+                return true;
+            }
+        }
+    }
+
+    function getExt(path) {
+        if (path) {
+            const mathResult = path.match(extReg);
+            return mathResult && mathResult[1];
+        }
+    }
+}
+
+run();

build/build-i18n.js

@@ -0,0 +1,114 @@
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+const fs = require('fs');
+const preamble = require('./preamble');
+const ts = require('typescript');
+const path = require('path');
+const fsExtra = require('fs-extra');
+
+const umdWrapperHead = `
+${preamble.js}
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+(function(root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(['exports'], factory);
+    } else if (
+        typeof exports === 'object' &&
+        typeof exports.nodeName !== 'string'
+    ) {
+        // CommonJS
+        factory(exports);
+    } else {
+        // Browser globals
+        factory({});
+    }
+})(this, function(exports) {
+`;
+
+const umdWrapperHeadWithEcharts = `
+${preamble.js}
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+(function(root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define(['exports', 'echarts'], factory);
+    } else if (
+        typeof exports === 'object' &&
+        typeof exports.nodeName !== 'string'
+    ) {
+        // CommonJS
+        factory(exports, require('echarts/lib/echarts'));
+    } else {
+        // Browser globals
+        factory({}, root.echarts);
+    }
+})(this, function(exports, echarts) {
+`;
+
+const umdWrapperTail = `
+});`;
+
+async function buildI18nWrap() {
+    const targetDir = path.join(__dirname, '../i18n');
+    const sourceDir = path.join(__dirname, '../src/i18n');
+    const files = fs.readdirSync(sourceDir);
+    files.forEach(t => {
+        if(!t.startsWith('lang')) {
+            return;
+        }
+        const fileName = t.replace(/\.ts$/, '');
+        const type = fileName.replace(/^lang/, '');
+        const echartsRegister = `
+    echarts.registerLocale('${type}', localeObj);
+        `;
+        const pureExports = `
+    for (var key in localeObj) {
+        if (localeObj.hasOwnProperty(key)) {
+            exports[key] = localeObj[key];
+        }
+    }
+        `;
+        const code = fs.readFileSync(path.join(sourceDir, t), 'utf-8');
+        // const outputText = ts.transpileModule(code, {
+        //     module: ts.ModuleKind.CommonJS,
+        // }).outputText;
+        // Simple regexp replace is enough
+        const outputCode = code.replace(/export\s+?default/, 'var localeObj =')
+            .replace(/\/\*([\w\W]*?)\*\//, '');
+
+        fsExtra.ensureDirSync(targetDir);
+
+        fs.writeFileSync(path.join(targetDir, fileName + '.js'), umdWrapperHeadWithEcharts + outputCode + echartsRegister + umdWrapperTail, 'utf-8');
+        fs.writeFileSync(path.join(targetDir, fileName + '-obj.js'), umdWrapperHead + outputCode + pureExports + umdWrapperTail, 'utf-8');
+    })
+    console.log('i18n build completed');
+}
+
+buildI18nWrap();
+
+module.exports = {
+    buildI18n: buildI18nWrap
+};