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Copy pathminify.js
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executable file
·618 lines (547 loc) · 23.6 KB
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#!/usr/bin/env node
(function(global) {
var USAGE = _multiline(function() {/*
Usage:
node Minify.js [@label ...]
[--help]
[--verbose]
[--nowrap]
[--nocompile]
[--header file]
[--footer file]
[--es5in]
[--es6in]
[--es5out]
[--es6out]
[--keep]
[--simple]
[--strict]
[--pretty]
[--option "compile option"]
[--extern file]
[--label @label]
[--release]
See:
https://github.com/uupaa/Minify.js/wiki/Minify
*/});
var ERR = "\u001b[31m"; // RED
var WARN = "\u001b[33m"; // YELLOW
var INFO = "\u001b[32m"; // GREEN
var CLR = "\u001b[0m"; // WHITE
var fs = require("fs");
var cp = require("child_process");
var argv = process.argv.slice(2);
var wmlib = process.argv[1].split("/").slice(0, -2).join("/") + "/lib/"; // "WebModule/lib/"
var mod = require(wmlib + "ModuleSystem.js");
var pkg = JSON.parse(fs.readFileSync("./package.json", "utf8"));
var wm = pkg.webmodule;
var Task = require(wmlib + "Task.js");
var target = mod.collectBuildTarget(pkg);
var options = _parseCommandLineOptions({
name: pkg.name, // Object - { git:String, npm:String }. github repository name, npm package name.
help: false, // Boolean - true is show help.
keep: false, // Boolean - keep tmp file.
label: ["dev", "debug", "assert"], // LabelStringArray
nowrap: false, // Boolean - false -> wrap WebModule idiom.
header: "", // PathString - header file.
footer: "", // PathString - footer file.
es5in: false, // Boolean - input ES5 code.
es6in: false, // Boolean - input ES6 code.
es5out: false, // Boolean - output ES5 code.
es6out: false, // Boolean - output ES6 code.
strict: false, // Boolean - true -> add 'use strict'.
pretty: false, // Boolean - true -> pretty print.
option: [], // OptionStringArray - ["language_in ECMASCRIPT5_STRICT", ...]
compile: true, // Boolean - true -> compile.
release: false, // Boolean - true -> release build, use NodeModule.files().
externs: [], // FilePathArray- ["externs-file-name", ...]
verbose: false, // Boolean - true -> verbose mode.
workDir: "release/", // PathString - work dir.
advanced: true // Boolean - true -> ADVANCED_OPTIMIZATIONS MODE.
});
if (options.help) {
console.log(WARN + USAGE + CLR);
return;
}
// --- detect work dir ---
if (!target.workDir) {
console.log(ERR + "package.json - webmodule.{browser|worker|node}.output are empty." + CLR);
return;
}
// $ npm run build は、package.json の webmodule.{browser|worker|node|nw|el}.source をビルドします
// $ npm run build.release は、webmodule.{browser|worker|node|nw|el}.source に加え node_modules 以下の依存ファイルもビルドします
var browserSource = target.browser.source;
var workerSource = target.worker.source;
var nodeSource = target.node.source;
var nwSource = target.nw.source;
var elSource = target.el.source;
if (options.release) {
// 依存関係にあるソース(deps.files.{browser|worker|node|nw|el})を取得する
var deps = mod.getDependencies(options.release);
// コードをマージし重複を取り除く
browserSource = mod.toUniqueArray([].concat(deps.files.browser, browserSource));
workerSource = mod.toUniqueArray([].concat(deps.files.worker, workerSource));
nodeSource = mod.toUniqueArray([].concat(deps.files.node, nodeSource));
nwSource = mod.toUniqueArray([].concat(deps.files.nw, nwSource));
elSource = mod.toUniqueArray([].concat(deps.files.el, elSource));
if (options.verbose) {
var buildFiles = {
"browser": browserSource,
"worker": workerSource,
"node": nodeSource,
"nw": nwSource,
"el": elSource,
"label": deps.files.label
};
console.log(INFO + "Release build: " + JSON.stringify(buildFiles, null, 2) + CLR);
}
} else {
if (options.verbose) {
var buildFiles = {
"browser": browserSource,
"worker": workerSource,
"node": nodeSource,
"nw": nwSource,
"el": elSource,
"label": wm.label
};
console.log(INFO + "Debug build: " + JSON.stringify(buildFiles, null, 2) + CLR);
}
}
if (!_isFileExists(options.externs) ||
!_isFileExists(browserSource) ||
!_isFileExists(workerSource) ||
!_isFileExists(nodeSource) ||
!_isFileExists(nwSource) ||
!_isFileExists(elSource)) {
return;
}
var minifyOptions = {
"keep": options.keep,
"label": options.label,
"nowrap": options.nowrap,
"header": options.header,
"footer": options.footer,
"es5in": options.es5in,
"es6in": options.es6in,
"es5out": options.es5out,
"es6out": options.es6out,
"strict": options.strict,
"pretty": options.pretty,
"option": options.option,
"compile": options.compile,
"externs": options.externs,
"verbose": options.verbose,
"workDir": options.workDir,
"advanced": options.advanced
};
// --- コンパイル対象を決定する ---
// できるだけ無駄なコンパイルは避ける
// コンパイル対象のソースコードがbrowser,worker,node,nw,el の全てで同じ場合は一度だけ(browserだけを)コンパイルする
// - browser,worker,node,nw,el が全て異なる場合は、それぞれの環境に向けて特殊化したビルドを行う。4回ビルドすることになる
// - browserとworkerが同じ場合は、browser用のファイルをworkerにコピーする
// - browserとnodeが同じ場合は、browser用のファイルをnodeにコピーする
// - browserとnwが同じ場合は、browser用のファイルをnwにコピーする
// - browserとelが同じ場合は、browser用のファイルをelにコピーする
// - workerとnodeが同じ場合は、worker用のファイルをnodeにコピーする
var taskPlan = [];
var copyBrowserFileToWorkerFile = false; // browser用のビルドをコピーしworkerとしても使用する
var copyBrowserFileToNodeFile = false; // browser用のビルドをコピーしnodeとしても使用する
var copyBrowserFileToNWFile = false; // browser用のビルドをコピーしnwとしても使用する
var copyBrowserFileToELFile = false; // browser用のビルドをコピーしelとしても使用する
var copyWorkerFileToNodeFile = false; // worker用のビルドをコピーしnodeとしても使用する
if (wm.browser && browserSource.length) { taskPlan.push("browser"); }
if (wm.worker && workerSource.length) { taskPlan.push("worker"); }
if (wm.node && nodeSource.length) { taskPlan.push("node"); }
if (wm.nw && nwSource.length) { taskPlan.push("nw"); }
if (wm.el && elSource.length) { taskPlan.push("el"); }
// browserとworkerのファイル構成が一緒の場合はまとめてしまい、workerのビルドを省略する
if (taskPlan.indexOf("browser") >= 0 && taskPlan.indexOf("worker") >= 0) {
if (browserSource.join() === workerSource.join()) {
copyBrowserFileToWorkerFile = true;
taskPlan = taskPlan.filter(function(target) { return target !== "worker"; });
}
}
// browserとnodeのファイル構成が一緒の場合はまとめてしまい、nodeのビルドを省略する
if (taskPlan.indexOf("browser") >= 0 && taskPlan.indexOf("node") >= 0) {
if (browserSource.join() === nodeSource.join()) {
copyBrowserFileToNodeFile = true;
taskPlan = taskPlan.filter(function(target) { return target !== "node"; });
}
}
// browserとnwのファイル構成が一緒の場合はまとめてしまい、nwのビルドを省略する
if (taskPlan.indexOf("browser") >= 0 && taskPlan.indexOf("nw") >= 0) {
if (browserSource.join() === nwSource.join()) {
copyBrowserFileToNWFile = true;
taskPlan = taskPlan.filter(function(target) { return target !== "nw"; });
}
}
// browserとelのファイル構成が一緒の場合はまとめてしまい、elのビルドを省略する
if (taskPlan.indexOf("browser") >= 0 && taskPlan.indexOf("el") >= 0) {
if (browserSource.join() === elSource.join()) {
copyBrowserFileToELFile = true;
taskPlan = taskPlan.filter(function(target) { return target !== "el"; });
}
}
// workerとnodeのファイル構成が一緒の場合はまとめてしまい、nodeのビルドを省略する
if (taskPlan.indexOf("worker") >= 0 && taskPlan.indexOf("node") >= 0) {
if (workerSource.join() === nodeSource.join()) {
copyWorkerFileToNodeFile = true;
taskPlan = taskPlan.filter(function(target) { return target !== "node"; });
}
}
Task.run(taskPlan.join(" > "), {
"browser": function(task) {
if (options.verbose) {
console.log("Build for the browser...");
}
Minify(browserSource, minifyOptions, function(err, js) {
if (err || !js) {
task.miss();
} else {
fs.writeFileSync(target.browser.output, js);
if (copyBrowserFileToWorkerFile) {
fs.writeFileSync(target.worker.output, js);
}
if (copyBrowserFileToNodeFile) {
fs.writeFileSync(target.node.output, js);
}
if (copyBrowserFileToNWFile) {
fs.writeFileSync(target.nw.output, js);
}
if (copyBrowserFileToELFile) {
fs.writeFileSync(target.el.output, js);
}
task.pass();
}
});
},
"worker": function(task) {
if (options.verbose) {
console.log("Build for the worker...");
}
Minify(workerSource, minifyOptions, function(err, js) {
if (err || !js) {
task.miss();
} else {
fs.writeFileSync(target.worker.output, js);
if (copyWorkerFileToNodeFile) {
fs.writeFileSync(target.node.output, js);
}
task.pass();
}
});
},
"node": function(task) {
if (options.verbose) {
console.log("Build for the node...");
}
Minify(nodeSource, minifyOptions, function(err, js) {
if (err || !js) {
task.miss();
} else {
fs.writeFileSync(target.node.output, js);
task.pass();
}
});
},
"nw": function(task) {
if (options.verbose) {
console.log("Build for the nw...");
}
Minify(nwSource, minifyOptions, function(err, js) {
if (err || !js) {
task.miss();
} else {
fs.writeFileSync(target.nw.output, js);
task.pass();
}
});
},
"el": function(task) {
if (options.verbose) {
console.log("Build for the electron...");
}
Minify(elSource, minifyOptions, function(err, js) {
if (err || !js) {
task.miss();
} else {
fs.writeFileSync(target.el.output, js);
task.pass();
}
});
}
}, function(err) {
if (err) {
if (options.verbose) {
console.log(ERR + "Build error." + CLR);
process.exit(1);
}
} else {
if (options.verbose) {
console.log("done.");
}
}
});
function _isFileExists(fileList) { // @arg Array
// @ret Boolean
return fileList.every(function(file) {
if (!fs.existsSync(file)) {
console.log(ERR + "File not found: " + file + CLR);
return false;
}
return true;
});
}
function _parseCommandLineOptions(options) {
for (var i = 0, iz = argv.length; i < iz; ++i) {
switch (argv[i]) {
case "-h":
case "--help": options.help = true; break;
case "-v":
case "--verbose": options.verbose = true; break;
case "--nowrap": options.nowrap = true; break;
case "--nocompile": options.compile = false; break;
case "--header": options.header = fs.readFileSync(argv[++i], "utf8"); break;
case "--footer": options.footer = fs.readFileSync(argv[++i], "utf8"); break;
case "--es5in": options.es5in = true; break;
case "--es6in": options.es6in = true; break;
case "--es5out": options.es5out = true; break;
case "--es6out": options.es6out = true; break;
case "--strict": options.strict = true; break;
case "--pretty": options.pretty = true; break;
case "--keep": options.keep = true; break;
case "--simple": options.advanced = false; break;
case "--extern":
case "--externs": _pushif(options.externs, argv[++i]); break;
case "--option": _pushif(options.option, argv[++i]); break;
case "--module":
case "--release": options.release = true; break;
case "--label": _pushif(options.label, argv[++i].replace(/^@/, "")); break;
default:
if ( /^@/.test(argv[i]) ) { // @label
_pushif(options.label, argv[i].replace(/^@/, ""));
} else {
throw new Error("Unknown option: " + argv[i]);
}
}
}
return options;
}
function _pushif(source, value) {
if (source.indexOf(value) < 0) { // avoid duplicate
source.push(value);
}
}
function _multiline(fn) { // @arg Function
// @ret String
return (fn + "").split("\n").slice(1, -1).join("\n");
}
// Closure Compiler Service
// http://closure-compiler.appspot.com/home
// --- dependency modules ----------------------------------
// --- define / local variables ----------------------------
//var _runOnNode = "process" in global;
//var _runOnWorker = "WorkerLocation" in global;
//var _runOnBrowser = "document" in global;
var OUTPUT_FILE = "./.Minify.output.js";
var TMP_FILE = "./.Minify.tmp.js";
// --- class / interfaces ----------------------------------
function Minify(sources, // @arg StringArray - JavaScript sources file path. [path, ...]
options, // @arg Object = null - { keep, label, nowrap, header, footer, es5in, es6in, es5out, es6out, strict, pretty, option, compile, externs, verbose, workDir, advanced }
// @options.keep Boolean = false - keep temporary file.
// @options.label LabelStringArray = null - ["@label", ...]
// @options.nowrap Boolean = false - false is wrap WebModule idiom.
// @options.header String = "" - Header part extras JavaScript expression string.
// @options.footer String = "" - Footer part extras JavaScript expression string.
// @options.es5in Boolean = false - input ES5 code.
// @options.es6in Boolean = false - input ES6 code.
// @options.es5out Boolean = false - output ES5 code.
// @options.es6out Boolean = false - output ES6 code.
// @options.strict Boolean = false - true is add 'use strict'.
// @options.pretty Boolean = false - true is pretty strict.
// @options.option StringArray = [] - ClosureCompiler additional options string.
// @options.compile Boolean = false - true is compile. false is concat files.
// @options.externs StringArray = [] - Clouser Compiler externs definition file path
// @options.verbose boolean = false - true is verbose mode.
// @options.workDir String = "" - work dir.
// @options.advanced Boolean = false - true is advanced build mode
fn) { // @arg Function = null - callback function. fn(err:Error, result:String)
//{@dev
_if(!Array.isArray(sources), Minify, "sources");
if (options) {
_if(options.constructor !== ({}).constructor, Minify, "options");
_if(!_keys(options, "keep,label,nowrap,header,footer,es5in,es6in,es5out,es6out,strict,pretty,option,compile,externs,verbose,workDir,advanced"), Minify, "options");
}
if (fn) {
_if(typeof fn !== "function", Minify, "fn");
}
//}@dev
var optionsString = _makeClouserCompilerOptions(options);
if (options.compile) {
cp.exec("which -s closure-compiler", function(err) {
// $ node install uupaa.compile.js
_offlineMinificationNode(sources, options, optionsString, fn);
});
} else {
// debug build, concat and preprocess only.
_noMinification(sources, options, fn);
}
}
// --- implements ------------------------------------------
function _makeClouserCompilerOptions(options) { // @arg Object - { keep, nowrap, ... }. see Minify()
// @ret String - "--option value ..."
var result = [];
//result["transform_amd_modules"] = "";
//result["create_source_map"] = "source.map";
if (options.advanced) {
result.push("--compilation_level ADVANCED_OPTIMIZATIONS");
if (options.externs && options.externs.length) {
result.push("--externs " + options.externs.join(" --externs "));
}
} else {
result.push("--compilation_level SIMPLE_OPTIMIZATIONS");
}
if (!options.nowrap) { // wrap WebModule idiom
//result.push("--output_wrapper '(function(global){\n%output%\n})((this||0).self||global);'");
result.push("--output_wrapper '(function(global){\n%output%\n})(GLOBAL);'"); // WebModule Idiom v2
}
if (options.strict) {
if (options.es5in) {
result.push("--language_in ECMASCRIPT5_STRICT");
} else if (options.es6in) {
result.push("--language_in ECMASCRIPT6_STRICT");
} else { // back compat
result.push("--language_in ECMASCRIPT5_STRICT");
}
if (options.es5out) {
result.push("--language_out ECMASCRIPT5_STRICT");
} else if (options.es6out) {
result.push("--language_out ECMASCRIPT6_STRICT");
}
} else {
if (options.es5in) {
result.push("--language_in ECMASCRIPT5");
} else if (options.es6in) {
result.push("--language_in ECMASCRIPT6");
} else { // back compat
result.push("--language_in ECMASCRIPT5");
}
if (options.es5out) {
result.push("--language_out ECMASCRIPT5");
} else if (options.es6out) {
result.push("--language_out ECMASCRIPT6");
}
}
if (options.pretty) {
result.push("--formatting pretty_print");
}
if (options.option.length) {
result.push("--" + optionsObject.option.join(" --"));
}
return result.join(" ");
}
function _offlineMinificationNode(sources, // @arg StringArray - JavaScript SourceCode file path. [path, ...]
options, // @arg Object - { keep, nowrap, ... }. see Minify()
optionsString, // @arg String
callback) { // @arg Function = null - callback(err:Error, result:String)
var js = (options.header || "") + _concatFiles(sources) + (options.footer || "");
if (options.label && options.label.length) {
js = Minify_preprocess(js, options.label);
}
fs.writeFileSync(options.workDir + TMP_FILE, js);
if (options.verbose) {
console.log(INFO + "Compile options: \n " + optionsString.replace(/\n/g, "") + CLR);
}
// `npm install -g uupaa.compile.js`
var compile = require("uupaa.compile.js");
compile.exec(options.workDir + TMP_FILE,
options.workDir + OUTPUT_FILE,
optionsString,
function(err, stdout, stderr) {
if (err || stderr) {
console.log(stderr);
if (callback) {
callback(new Error(stderr), "");
}
} else {
var minifiedCode = fs.readFileSync(options.workDir + OUTPUT_FILE, "utf8");
fs.unlinkSync(options.workDir + OUTPUT_FILE);
if (!options.keep) {
fs.unlinkSync(options.workDir + TMP_FILE);
}
if (callback) {
callback(null, minifiedCode);
}
}
});
}
function Minify_preprocess(js, // @arg String - JavaScript expression string.
labels) { // @arg StringArray - strip labels. ["label", ...]
//{@dev
_if(typeof js !== "string", Minify_preprocess, "js");
_if(!Array.isArray(labels), Minify_preprocess, "labels");
//}@dev
// normalize line feed.
js = js.replace(/(\r\n|\r|\n)/mg, "\n");
// trim code block.
js = _trimCodeBlock(js, labels);
return js;
}
function _noMinification(sources, // @arg StringArray - JavaScript SourceCode file path. [path, ...]
options, // @arg Object - { keep, nowrap, ... } see Minify()
fn) { // @arg Function = null - callback function. fn(err:Error, result:String)
var js = (options.header || "") + _concatFiles(sources) + (options.footer || "");
if (options.label && options.label.length) {
js = Minify_preprocess( js, options.label );
}
if (fn) {
fn(null, js);
}
}
function _trimCodeBlock(js, // @arg String - JavaScript expression string.
labels) { // @arg StringArray - [label, ...]
// @ret String
return labels.reduce(function(js, label) {
// trim:
//
// {@label ... }@label
//
var line = RegExp("\\{@" + label + "\\b(?:[^\\n]*)\\}@" +
label + "\\b", "g");
// trim:
//
// {@label
// ...
// }@label
//
var lines = RegExp("\\{@" + label + "\\b(?:[^\\n]*)\n(?:[\\S\\s]*?)?\\}@" +
label + "\\b", "g");
return js.replace(line, " ").replace(lines, " ");
}, js);
}
function _concatFiles(sources) { // @arg FilePathArray
// @ret String
return sources.map(function(path) {
if (fs.existsSync(path)) {
return fs.readFileSync(path, "utf8");
}
console.log(path + " is not exists");
return "";
}).join("");
}
// --- validate / assertions -------------------------------
//{@dev
function _keys(value, keys) {
var items = keys.split(",");
return Object.keys(value).every(function(key) {
return items.indexOf(key) >= 0;
});
}
function _if(value, fn, hint) {
if (value) {
throw new Error(fn.name + " " + hint);
}
}
//}@def
})(GLOBAL);
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