108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
Error.stackTraceLimit = Infinity;
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var jsTrans = require("jstransform");
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var traceur = require("traceur");
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var es6tr = require("es6-transpiler");
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var es6now = require("es6now");
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var esnext = require("esnext");
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var to5 = require("../lib/6to5/node");
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var matcha = require("matcha");
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var stream = require("stream");
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var path = require("path");
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var fs = require("fs");
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var vm = require("vm");
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var _ = require("lodash");
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var readResolve = function (filename) {
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return fs.readFileSync(require.resolve(filename), "utf8");
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};
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var jsTransVisitors = [];
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_.each([
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"arrow-function-visitors", "class-visitors", "destructuring-visitors",
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"object-concise-method-visitors", "object-short-notation-visitors",
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"rest-param-visitors", "template-visitors"
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], function (name) {
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var mod = require("jstransform/visitors/es6-" + name);
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jsTransVisitors = jsTransVisitors.concat(mod.visitorList);
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});
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var compilers = {
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"6to5": {
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compile: function (code, filename) {
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return to5.transform(code, { filename: filename }).code;
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}
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},
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traceur: {
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runtime: readResolve("traceur/bin/traceur-runtime.js"),
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compile: function (code, filename) {
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return traceur.compile(code, {
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modules: "commonjs",
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experimental: true
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});
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}
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},
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esnext: {
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runtime: readResolve("esnext/node_modules/regenerator/runtime.js"),
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compile: function (code, filename) {
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return esnext.compile(code).code;
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}
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},
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es6now: {
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runtime: readResolve("es6now/runtime/ES6.js"),
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compile: function (code, filename) {
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return es6now.translate(code);
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}
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},
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"es6-transpiler": {
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compile: function (code, filename) {
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var result = es6tr.run({ src: code });
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if (result.errors.length) throw new Error(result.join("; "));
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return result.src;
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}
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},
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jstransform: {
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compile: function (code, filename) {
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return jsTrans.transform(jsTransVisitors, code).code;
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}
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}
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};
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_.each(fs.readdirSync(__dirname + "/fixtures"), function (name) {
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var alias = path.basename(name, path.extname(name));
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suite(alias, function () {
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set("delay", 0);
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var loc = __dirname + "/fixtures/" + name;
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var code = fs.readFileSync(loc, "utf8");
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before(function () {
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_.each(compilers, function (compiler, name) {
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var output = compiler.compile(code, loc);
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if (compiler.runtime) output = compiler.runtime + "\n" + output;
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var kilo = (output.length / 1024).toFixed(2);
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console.log(
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matcha.utils.color(matcha.utils.padBefore(kilo + "KB", 22), "cyan"),
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matcha.utils.color("» " + name, "gray")
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);
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});
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});
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_.each(compilers, function (compiler, name) {
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bench(name, function () {
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compiler.compile(code, loc);
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});
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});
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});
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});
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