59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
const wu = require("./wuLib.js");
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const path = require("path");
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const UglifyJS = require("uglify-es");
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const {js_beautify} = require("js-beautify");
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const {VM} = require('vm2');
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function jsBeautify(code) {
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return UglifyJS.minify(code, {mangle: false, compress: false, output: {beautify: true, comments: true}}).code;
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}
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function splitJs(name, cb, mainDir) {
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let isSubPkg = mainDir && mainDir.length > 0;
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let dir = path.dirname(name);
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if (isSubPkg) {
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dir = mainDir;
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}
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wu.get(name, code => {
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let needDelList = {};
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let vm = new VM({
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sandbox: {
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require() {
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},
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define(name, func) {
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let code = func.toString();
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code = code.slice(code.indexOf("{") + 1, code.lastIndexOf("}") - 1).trim();
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let bcode = code;
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if (code.startsWith('"use strict";') || code.startsWith("'use strict';")) code = code.slice(13);
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else if ((code.startsWith('(function(){"use strict";') || code.startsWith("(function(){'use strict';")) && code.endsWith("})();")) code = code.slice(25, -5);
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let res = jsBeautify(code);
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if (typeof res == "undefined") {
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console.log("Fail to delete 'use strict' in \"" + name + "\".");
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res = jsBeautify(bcode);
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}
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console.log(dir, name);
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needDelList[path.resolve(dir, name)] = -8;
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wu.save(path.resolve(dir, name), jsBeautify(res));
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},
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definePlugin() {
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},
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requirePlugin() {
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}
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}
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});
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if (isSubPkg) {
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code = code.slice(code.indexOf("define("));
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}
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console.log('splitJs: ' + name);
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vm.run(code);
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console.log("Splitting \"" + name + "\" done.");
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if (!needDelList[name]) needDelList[name] = 8;
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cb(needDelList);
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});
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}
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module.exports = {jsBeautify: jsBeautify, wxsBeautify: js_beautify, splitJs: splitJs};
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if (require.main === module) {
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wu.commandExecute(splitJs, "Split and beautify weapp js file.\n\n<files...>\n\n<files...> js files to split and beautify.");
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}
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