Simplify bundler a little (#2290)
- Remove a useless abstraction - Remove a useless write + read - Only read when generating the bundle - Use one watcher instead of two - Use Chokidar to simplify and make for a better experience
This commit is contained in:
Isiah Meadows
GitHub
parent
a96caf25c5
commit
c33621cd52
6 changed files with 1727 additions and 149 deletions
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@ -16,7 +16,7 @@ function parse(file) {
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}
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var error
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function run(input, output) {
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module.exports = function (input) {
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var modules = {}
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var bindings = {}
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var declaration = /^\s*(?:var|let|const|function)[\t ]+([\w_$]+)/gm
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@ -115,19 +115,7 @@ function run(input, output) {
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.replace(versionTag, isFile(packageFile) ? parse(packageFile).version : versionTag) // set version
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code = ";(function() {\n" + code + "\n}());"
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if (!isFile(output) || code !== read(output)) {
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//try {new Function(code); console.log("build completed at " + new Date())} catch (e) {}
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error = null
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fs.writeFileSync(output, code, "utf8")
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}
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}
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module.exports = function(input, output, options) {
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run(input, output)
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if (options && options.watch) {
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fs.watch(process.cwd(), {recursive: true}, function(file) {
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if (typeof file === "string" && path.resolve(output) !== path.resolve(file)) run(input, output)
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})
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}
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//try {new Function(code); console.log("build completed at " + new Date())} catch (e) {}
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error = null
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return code
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}
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@ -1,10 +1,12 @@
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"use strict"
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var fs = require("fs");
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var fs = require("fs")
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var path = require("path")
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var zlib = require("zlib")
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var chokidar = require("chokidar")
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var Terser = require("terser")
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var bundle = require("./bundle")
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var minify = require("./minify")
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var aliases = {o: "output", m: "minify", w: "watch", s: "save"}
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var params = {}
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@ -29,14 +31,20 @@ function format(n) {
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return n.toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,")
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}
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bundle(params.input, params.output, {watch: params.watch})
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if (params.minify) {
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// mFiles = { original: String(mithril.js), compressed: String(mithril.min.js) }
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var mFiles = minify(params.output, {watch: params.watch})
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var originalSize = mFiles.original.length
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var compressedSize = mFiles.compressed.length
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var originalGzipSize = zlib.gzipSync(mFiles.original).byteLength
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var compressedGzipSize = zlib.gzipSync(mFiles.compressed).byteLength
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function build() {
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var original = bundle(params.input)
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if (!params.minify) {
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fs.writeFileSync(params.output, original, "utf-8")
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return
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}
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console.log("minifying...")
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var minified = Terser.minify(original)
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if (minified.error) throw new Error(minified.error)
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fs.writeFileSync(params.output, minified.code, "utf-8")
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var originalSize = original.length
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var compressedSize = minified.code.length
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var originalGzipSize = zlib.gzipSync(original).byteLength
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var compressedGzipSize = zlib.gzipSync(minified.code).byteLength
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console.log("Original size: " + format(originalGzipSize) + " bytes gzipped (" + format(originalSize) + " bytes uncompressed)")
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console.log("Compiled size: " + format(compressedGzipSize) + " bytes gzipped (" + format(compressedSize) + " bytes uncompressed)")
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@ -52,4 +60,7 @@ if (params.minify) {
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)
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)
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}
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}
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}
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build()
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if (params.watch) chokidar.watch(".", {ignored: params.output}).on("all", build)
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@ -1,26 +0,0 @@
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"use strict"
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var fs = require("fs")
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var Terser = require("terser")
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module.exports = function(filePath, options) {
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function minify(filePath) {
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var original = fs.readFileSync(filePath, "utf8"),
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uglified = Terser.minify(original),
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compressed = uglified.code
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if (uglified.error) throw new Error(uglified.error)
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fs.writeFileSync(filePath, compressed, "utf8")
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return {original: original, compressed: compressed}
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}
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function run() {
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console.log("minifying...")
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return minify(filePath)
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}
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if (options && options.watch) fs.watchFile(filePath, run)
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return run()
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}
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@ -22,266 +22,221 @@ o.spec("bundler", function() {
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o("relative imports works", function() {
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write("a.js", 'var b = require("./b")')
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write("b.js", "module.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports works with semicolons", function() {
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write("a.js", 'var b = require("./b");')
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write("b.js", "module.exports = 1;")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b = 1;\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b = 1;\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports works with let", function() {
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write("a.js", 'let b = require("./b")')
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write("b.js", "module.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nlet b = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nlet b = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports works with const", function() {
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write("a.js", 'const b = require("./b")')
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write("b.js", "module.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nconst b = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nconst b = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports works with assignment", function() {
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write("a.js", 'var a = {}\na.b = require("./b")')
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write("b.js", "module.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar a = {}\na.b = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar a = {}\na.b = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports works with reassignment", function() {
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write("a.js", 'var b = {}\nb = require("./b")')
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write("b.js", "module.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b = {}\nb = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b = {}\nb = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports removes extra use strict", function() {
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write("a.js", '"use strict"\nvar b = require("./b")')
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write("b.js", '"use strict"\nmodule.exports = 1')
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(';(function() {\n"use strict"\nvar b = 1\n}());')
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o(bundle(ns + "a.js")).equals(';(function() {\n"use strict"\nvar b = 1\n}());')
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports removes extra use strict using single quotes", function() {
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write("a.js", "'use strict'\nvar b = require(\"./b\")")
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write("b.js", "'use strict'\nmodule.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\n'use strict'\nvar b = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\n'use strict'\nvar b = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("relative imports removes extra use strict using mixed quotes", function() {
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write("a.js", '"use strict"\nvar b = require("./b")')
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write("b.js", "'use strict'\nmodule.exports = 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(';(function() {\n"use strict"\nvar b = 1\n}());')
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o(bundle(ns + "a.js")).equals(';(function() {\n"use strict"\nvar b = 1\n}());')
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works w/ window", function() {
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write("a.js", 'window.a = 1\nvar b = require("./b")')
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write("b.js", "module.exports = function() {return a}")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nwindow.a = 1\nvar b = function() {return a}\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nwindow.a = 1\nvar b = function() {return a}\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works without assignment", function() {
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write("a.js", 'require("./b")')
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write("b.js", "1 + 1")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\n1 + 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\n1 + 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if used fluently", function() {
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write("a.js", 'var b = require("./b").toString()')
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write("b.js", "module.exports = []")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar _0 = []\nvar b = _0.toString()\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar _0 = []\nvar b = _0.toString()\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if used fluently w/ multiline", function() {
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write("a.js", 'var b = require("./b")\n\t.toString()')
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write("b.js", "module.exports = []")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar _0 = []\nvar b = _0\n\t.toString()\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar _0 = []\nvar b = _0\n\t.toString()\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if used w/ curry", function() {
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write("a.js", 'var b = require("./b")()')
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write("b.js", "module.exports = function() {}")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar _0 = function() {}\nvar b = _0()\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar _0 = function() {}\nvar b = _0()\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if used w/ curry w/ multiline", function() {
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write("a.js", 'var b = require("./b")\n()')
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write("b.js", "module.exports = function() {}")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar _0 = function() {}\nvar b = _0\n()\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar _0 = function() {}\nvar b = _0\n()\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if used fluently in one place and not in another", function() {
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write("a.js", 'var b = require("./b").toString()\nvar c = require("./c")')
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write("b.js", "module.exports = []")
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write("c.js", 'var b = require("./b")\nmodule.exports = function() {return b}')
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar _0 = []\nvar b = _0.toString()\nvar b0 = _0\nvar c = function() {return b0}\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar _0 = []\nvar b = _0.toString()\nvar b0 = _0\nvar c = function() {return b0}\n}());")
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remove("a.js")
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remove("b.js")
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remove("c.js")
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remove("out.js")
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})
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o("works if used in sequence", function() {
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write("a.js", 'var b = require("./b"), c = require("./c")')
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write("b.js", "module.exports = 1")
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write("c.js", "var x\nmodule.exports = 2")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b = 1\nvar x\nvar c = 2\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b = 1\nvar x\nvar c = 2\n}());")
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remove("a.js")
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remove("b.js")
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remove("c.js")
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remove("out.js")
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})
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o("works if assigned to property", function() {
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write("a.js", 'var x = {}\nx.b = require("./b")\nx.c = require("./c")')
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write("b.js", "var bb = 1\nmodule.exports = bb")
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write("c.js", "var cc = 2\nmodule.exports = cc")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar x = {}\nvar bb = 1\nx.b = bb\nvar cc = 2\nx.c = cc\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar x = {}\nvar bb = 1\nx.b = bb\nvar cc = 2\nx.c = cc\n}());")
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remove("a.js")
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remove("b.js")
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remove("c.js")
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remove("out.js")
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})
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o("works if assigned to property using bracket notation", function() {
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write("a.js", 'var x = {}\nx["b"] = require("./b")\nx["c"] = require("./c")')
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write("b.js", "var bb = 1\nmodule.exports = bb")
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write("c.js", "var cc = 2\nmodule.exports = cc")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(';(function() {\nvar x = {}\nvar bb = 1\nx["b"] = bb\nvar cc = 2\nx["c"] = cc\n}());')
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o(bundle(ns + "a.js")).equals(';(function() {\nvar x = {}\nvar bb = 1\nx["b"] = bb\nvar cc = 2\nx["c"] = cc\n}());')
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remove("a.js")
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remove("b.js")
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remove("c.js")
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remove("out.js")
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})
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o("works if collision", function() {
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write("a.js", 'var b = require("./b")')
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write("b.js", "var b = 1\nmodule.exports = 2")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b0 = 1\nvar b = 2\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b0 = 1\nvar b = 2\n}());")
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remove("a.js")
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remove("b.js")
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remove("out.js")
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})
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o("works if multiple aliases", function() {
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write("a.js", 'var b = require("./b")\n')
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write("b.js", 'var b = require("./c")\nb.x = 1\nmodule.exports = b')
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write("c.js", "var b = {}\nmodule.exports = b")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar b = {}\nb.x = 1\n}());")
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o(bundle(ns + "a.js")).equals(";(function() {\nvar b = {}\nb.x = 1\n}());")
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remove("a.js")
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remove("b.js")
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remove("c.js")
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remove("out.js")
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})
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o("works if multiple collision", function() {
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write("a.js", 'var b = require("./b")\nvar c = require("./c")\nvar d = require("./d")')
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write("b.js", "var a = 1\nmodule.exports = a")
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write("c.js", "var a = 2\nmodule.exports = a")
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write("d.js", "var a = 3\nmodule.exports = a")
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bundle(ns + "a.js", ns + "out.js")
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o(read("out.js")).equals(";(function() {\nvar a = 1\nvar b = a\nvar a0 = 2\nvar c = a0\nvar a1 = 3\nvar d = a1\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar a = 1\nvar b = a\nvar a0 = 2\nvar c = a0\nvar a1 = 3\nvar d = a1\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("c.js")
|
||||
remove("d.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("works if included multiple times", function() {
|
||||
write("a.js", "module.exports = 123")
|
||||
write("b.js", 'var a = require("./a").toString()\nmodule.exports = a')
|
||||
write("c.js", 'var a = require("./a").toString()\nvar b = require("./b")')
|
||||
bundle(ns + "c.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar _0 = 123\nvar a = _0.toString()\nvar a0 = _0.toString()\nvar b = a0\n}());")
|
||||
o(bundle(ns + "c.js")).equals(";(function() {\nvar _0 = 123\nvar a = _0.toString()\nvar a0 = _0.toString()\nvar b = a0\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
|
|
@ -291,9 +246,8 @@ o.spec("bundler", function() {
|
|||
write("a.js", "module.exports = 123")
|
||||
write("b.js", 'var a = require("./a").toString()\nmodule.exports = a')
|
||||
write("c.js", 'var b = require("./b")\nvar a = require("./a").toString()')
|
||||
bundle(ns + "c.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar _0 = 123\nvar a0 = _0.toString()\nvar b = a0\nvar a = _0.toString()\n}());")
|
||||
o(bundle(ns + "c.js")).equals(";(function() {\nvar _0 = 123\nvar a0 = _0.toString()\nvar b = a0\nvar a = _0.toString()\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
|
|
@ -304,82 +258,68 @@ o.spec("bundler", function() {
|
|||
write("b.js", 'var d = require("./d")\nmodule.exports = function() {return d + 1}')
|
||||
write("c.js", 'var d = require("./d")\nmodule.exports = function() {return d + 2}')
|
||||
write("d.js", "module.exports = 1")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar d = 1\nvar b = function() {return d + 1}\nvar c = function() {return d + 2}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar d = 1\nvar b = function() {return d + 1}\nvar c = function() {return d + 2}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("c.js")
|
||||
remove("d.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("disambiguates conflicts if imported collides with itself", function() {
|
||||
write("a.js", 'var b = require("./b")')
|
||||
write("b.js", "var b = 1\nmodule.exports = function() {return b}")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar b0 = 1\nvar b = function() {return b0}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar b0 = 1\nvar b = function() {return b0}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("disambiguates conflicts if imported collides with something else", function() {
|
||||
write("a.js", 'var a = 1\nvar b = require("./b")')
|
||||
write("b.js", "var a = 2\nmodule.exports = function() {return a}")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar a = 1\nvar a0 = 2\nvar b = function() {return a0}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar a = 1\nvar a0 = 2\nvar b = function() {return a0}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("disambiguates conflicts if imported collides with function declaration", function() {
|
||||
write("a.js", 'function a() {}\nvar b = require("./b")')
|
||||
write("b.js", "var a = 2\nmodule.exports = function() {return a}")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nfunction a() {}\nvar a0 = 2\nvar b = function() {return a0}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nfunction a() {}\nvar a0 = 2\nvar b = function() {return a0}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("disambiguates conflicts if imported collides with another module's private", function() {
|
||||
write("a.js", 'var b = require("./b")\nvar c = require("./c")')
|
||||
write("b.js", "var a = 1\nmodule.exports = function() {return a}")
|
||||
write("c.js", "var a = 2\nmodule.exports = function() {return a}")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar a = 1\nvar b = function() {return a}\nvar a0 = 2\nvar c = function() {return a0}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar a = 1\nvar b = function() {return a}\nvar a0 = 2\nvar c = function() {return a0}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("c.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("does not mess up strings", function() {
|
||||
write("a.js", 'var b = require("./b")')
|
||||
write("b.js", 'var b = "b b b \\" b"\nmodule.exports = function() {return b}')
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(';(function() {\nvar b0 = "b b b \\\" b"\nvar b = function() {return b0}\n}());')
|
||||
o(bundle(ns + "a.js")).equals(';(function() {\nvar b0 = "b b b \\\" b"\nvar b = function() {return b0}\n}());')
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("out.js")
|
||||
})
|
||||
o("does not mess up properties", function() {
|
||||
write("a.js", 'var b = require("./b")')
|
||||
write("b.js", "var b = {b: 1}\nmodule.exports = function() {return b.b}")
|
||||
bundle(ns + "a.js", ns + "out.js")
|
||||
|
||||
o(read("out.js")).equals(";(function() {\nvar b0 = {b: 1}\nvar b = function() {return b0.b}\n}());")
|
||||
o(bundle(ns + "a.js")).equals(";(function() {\nvar b0 = {b: 1}\nvar b = function() {return b0.b}\n}());")
|
||||
|
||||
remove("a.js")
|
||||
remove("b.js")
|
||||
remove("out.js")
|
||||
})
|
||||
})
|
||||
|
|
|
|||
1664
package-lock.json
generated
1664
package-lock.json
generated
File diff suppressed because it is too large
Load diff
|
|
@ -30,6 +30,7 @@
|
|||
"devDependencies": {
|
||||
"@alrra/travis-scripts": "^3.0.1",
|
||||
"benchmark": "^2.1.4",
|
||||
"chokidar": "^2.0.4",
|
||||
"dedent": "^0.7.0",
|
||||
"eslint": "^3.19.0",
|
||||
"gh-pages": "^0.12.0",
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue