mirror of https://github.com/webpack/webpack.git
282 lines
8.5 KiB
JavaScript
282 lines
8.5 KiB
JavaScript
#!/usr/bin/env node
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var path = require("path");
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var fs = require("fs");
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var util = require("util");
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var sprintf = require("sprintf").sprintf;
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var argv = require("optimist")
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.usage("Usage: $0 <input> <output>")
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.boolean("single")
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.describe("single", "Disable Code Splitting")
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.default("single", false)
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.boolean("min")
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.describe("min", "Minimize it with uglifyjs")
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.default("min", false)
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.boolean("filenames")
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.describe("filenames", "Output Filenames Into File")
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.default("filenames", false)
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.string("options")
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.describe("options", "Options JSON File")
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.string("script-src-prefix")
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.describe("script-src-prefix", "Path Prefix For JavaScript Loading")
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.string("libary")
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.describe("libary", "Stores the exports into this variable")
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.boolean("colors")
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.describe("colors", "Output Stats with colors")
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.default("colors", false)
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.boolean("json")
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.describe("json", "Output Stats as JSON")
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.default("json", false)
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.boolean("by-size")
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.describe("by-size", "Sort modules by size in Stats")
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.default("by-size", false)
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.boolean("verbose")
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.describe("verbose", "Output dependencies in Stats")
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.default("verbose", false)
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.string("alias")
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.describe("alias", "Set a alias name for a module. ex. http=http-browserify")
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.boolean("debug")
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.describe("debug", "Prints debug info to output files")
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.default("debug", false)
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.boolean("watch")
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.describe("watch", "Recompiles on changes (except loaders)")
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.default("watch", false)
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.boolean("progress")
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.describe("progress", "Displays a progress while compiling")
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.default("progress", false)
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.demand(1)
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.argv;
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var input = argv._[0],
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output = argv._[1];
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if (input && input[0] !== '/' && input[1] !== ':') {
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input = path.join(process.cwd(), input);
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}
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if (output && output[0] !== '/' && input[1] !== ':') {
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output = path.join(process.cwd(), output);
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}
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var options = {};
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if(argv.options) {
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options = JSON.parse(fs.readFileSync(argv.options, "utf-8"));
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}
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if(argv["script-src-prefix"]) {
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options.scriptSrcPrefix = argv["script-src-prefix"];
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}
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if(argv.min) {
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options.minimize = true;
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}
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if(argv.debug) {
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options.debug = true;
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}
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if(argv.watch) {
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options.watch = true;
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}
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if(argv.filenames) {
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options.includeFilenames = true;
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}
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if(argv.libary) {
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options.libary = argv.libary;
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}
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if(argv.alias) {
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if(typeof argv.alias === "string")
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argv.alias = [argv.alias];
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options.resolve = options.resolve || {};
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options.resolve.alias = options.resolve.alias || {};
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var aliasObj = options.resolve.alias;
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argv.alias.forEach(function(alias) {
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alias = alias.split("=");
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aliasObj[alias[0]] = alias[1];
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});
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}
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var webpack = require("../lib/webpack.js");
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function c(str) {
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return argv.colors ? str : "";
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}
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if(!output) {
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webpack(input, options, function(err, source) {
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if(err) {
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console.error(err);
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return;
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}
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if(output) {
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fs.writeFileSync(output, source, "utf-8");
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} else {
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process.stdout.write(source);
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}
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});
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} else {
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output = output || path.join(process.cwd(), "js", "web.js");
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if(!options.outputDirectory) options.outputDirectory = path.dirname(output);
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if(!options.output) options.output = path.basename(output);
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if(!options.outputPostfix) options.outputPostfix = "." + path.basename(output);
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if(argv.progress) {
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if(!options.events) options.events = new (require("events").EventEmitter)();
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var events = options.events;
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var sum = 0;
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var finished = 0;
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var chars = 0;
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function print() {
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var msg = "";
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if(sum > 0) {
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msg += "compiling... (" + c("\033[1m\033[33m");
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msg += sprintf("%4s", finished+"") + "/" + sprintf("%4s", sum+"");
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msg += " " + sprintf("%4s", Math.floor(finished*100/sum)+"%");
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msg += c("\033[39m\033[22m") + ")";
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}
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for(var i = 0; i < chars; i++)
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process.stderr.write("\b");
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process.stderr.write(msg);
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chars = msg.length;
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}
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events.on("task", function(name) {
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sum++;
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print();
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});
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events.on("task-end", function(name) {
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finished++;
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if(name) {
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for(var i = 0; i < chars; i++)
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process.stderr.write("\b \b");
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process.stderr.write(name + " " + c("\033[1m\033[32m") + "done" + c("\033[39m\033[22m") + "\n");
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chars = 0;
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}
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print();
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});
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events.on("bundle", function(name) {
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sum = 0;
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finished = 0;
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for(var i = 0; i < chars; i++)
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process.stderr.write("\b \b");
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chars = 0;
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});
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}
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webpack(input, options, function(err, stats) {
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if(err) {
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console.error(err);
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return;
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}
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if(argv.json)
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console.log(util.inspect(stats, false, 10, argv.colors));
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else {
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console.log("Hash: "+c("\033[1m") + stats.hash + c("\033[22m"));
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console.log("Chunks: "+c("\033[1m") + stats.chunkCount + c("\033[22m"));
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console.log("Modules: "+c("\033[1m") + stats.modulesCount + c("\033[22m"));
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console.log("Modules including duplicates: "+c("\033[1m") + stats.modulesIncludingDuplicates + c("\033[22m"));
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console.log("Modules pre chunk: "+c("\033[1m") + stats.modulesPerChunk + c("\033[22m"));
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console.log("Modules first chunk: "+c("\033[1m") + stats.modulesFirstChunk + c("\033[22m"));
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if(stats.fileSizes)
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Object.keys(stats.fileSizes).reverse().forEach(function(file) {
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console.log(c("\033[1m") + sprintf("%" + (5 + options.output.length) + "s", file) + c("\033[22m")+": "+c("\033[1m") + sprintf("%8d", stats.fileSizes[file]) + c("\033[22m") + " characters");
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});
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var cwd = process.cwd();
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var cwdParent = path.dirname(cwd);
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var buildins = path.join(__dirname, "..");
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cwd = cwd.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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cwd = new RegExp("^" + cwd + "|(!)" + cwd, "g");
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var buildinsAsModule = cwd.test(buildins);
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cwdParent = cwdParent.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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cwdParent = new RegExp("^" + cwdParent + "|(!)" + cwdParent, "g");
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buildins = buildins.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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buildins = new RegExp("^" + buildins + "|(!)" + buildins, "g");
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var node_modulesRegExpA = /\/node_modules\//g;
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var node_modulesRegExpB = /\\node_modules\\/g;
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var index_jsRegExp = /[\\\/]index.js!/g;
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function compressFilename(filename) {
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if(!filename)
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return filename;
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if(buildinsAsModule)
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filename = filename.replace(buildins, "!(webpack)");
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filename = filename.replace(cwd, "!.");
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if(!buildinsAsModule)
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filename = filename.replace(buildins, "!(webpack)");
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filename = filename.replace(node_modulesRegExpA, "/~/");
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filename = filename.replace(node_modulesRegExpB, "\\~\\");
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filename = filename.replace(index_jsRegExp, "!");
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return filename.replace(/^!|!$/, "");
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}
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if(stats.fileModules) {
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console.log();
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console.log(" <id> <size> <filename>");
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if(argv.verbose)
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console.log(" <reason> from <filename>");
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Object.keys(stats.fileModules).reverse().forEach(function(file) {
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console.log(c("\033[1m\033[32m") + file + c("\033[39m\033[22m"));
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var modules = stats.fileModules[file];
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if(argv["by-size"])
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modules.sort(function(a, b) {
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return b.size - a.size;
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});
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modules.forEach(function(module) {
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console.log(" "+c("\033[1m") + sprintf("%3s", module.id+"") + " " + (typeof module.size === "number" ? sprintf("%9s", Math.round(module.size)+"") : " ") + " " +
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(compressFilename(module.filename) ||
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(module.dirname && ("[context] " + compressFilename(module.dirname))) ||
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"[unknown]") + c("\033[22m"));
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if(argv.verbose) {
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module.reasons.forEach(function(reason) {
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switch(reason.type) {
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case "require":
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console.log(" "+c("\033[36m")+"require (" + reason.count + "x) from " + compressFilename(reason.filename) + c("\033[39m"));
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break;
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case "context":
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console.log(" "+c("\033[90m")+"context from " + compressFilename(reason.filename) + c("\033[39m"));
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break;
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case "async require":
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console.log(" "+c("\033[35m")+"async require (" + reason.count + "x) from " + compressFilename(reason.filename) + c("\033[39m"));
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break;
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case "async context":
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console.log(" "+c("\033[35ma")+"sync context from " + compressFilename(reason.filename) + c("\033[39m"));
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break;
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default:
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console.log(" "+c("\033[31m") + reason.type + c("\033[39m"));
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}
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});
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}
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});
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});
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}
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if(stats.warnings) {
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stats.warnings.forEach(function(warning) {
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console.log(c("\033[1m\033[33m")+"WARNING: " + warning + c("\033[39m\033[22m"));
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});
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}
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if(stats.errors) {
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stats.errors.forEach(function(error) {
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console.log(c("\033[1m\033[31m")+"ERROR: " + error + c("\033[39m\033[22m"));
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});
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}
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}
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});
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} |