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Merge pull request #3617 from abouthiroppy/feature/refactor-BannerPlugin 

refactor(BannerPlugin): update BannerPlugin to es2015
This commit is contained in:
Tobias Koppers 2016-12-29 15:47:56 +01:00 committed by GitHub
parent 5326c244ff f73e87dfc5
commit d84f8efa61
1 changed files with 41 additions and 30 deletions
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71
lib/BannerPlugin.js
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@ -1,40 +1,51 @@
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var ConcatSource = require("webpack-sources").ConcatSource;
var ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const ConcatSource = require("webpack-sources").ConcatSource;
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
function wrapComment(str) {
if(str.indexOf("\n") < 0) return "/*! " + str + " */";
return "/*!\n * " + str.split("\n").join("\n * ") + "\n */";
if(!str.includes("\n")) return `/*! ${str} */`;
return `/*!\n * ${str.split("\n").join("\n * ")}\n */`;
}
function BannerPlugin(options) {
if(arguments.length > 1)
throw new Error("BannerPlugin only takes one argument (pass an options object)");
if(typeof options === "string")
options = {
banner: options
};
this.options = options || {};
this.banner = this.options.raw ? options.banner : wrapComment(options.banner);
}
module.exports = BannerPlugin;
class BannerPlugin {
constructor(options) {
if(arguments.length > 1)
throw new Error("BannerPlugin only takes one argument (pass an options object)");
if(typeof options === "string")
options = {
banner: options
};
this.options = options || {};
this.banner = this.options.raw ? options.banner : wrapComment(options.banner);
}
BannerPlugin.prototype.apply = function(compiler) {
var options = this.options;
var banner = this.banner;
apply(compiler) {
let options = this.options;
let banner = this.banner;
compiler.plugin("compilation", function(compilation) {
compilation.plugin("optimize-chunk-assets", function(chunks, callback) {
chunks.forEach(function(chunk) {
if(options.entryOnly && !chunk.isInitial()) return;
chunk.files.filter(ModuleFilenameHelpers.matchObject.bind(undefined, options)).forEach(function(file) {
compilation.assets[file] = new ConcatSource(banner, "\n", compilation.assets[file]);
compiler.plugin("compilation", (compilation) => {
compilation.plugin("optimize-chunk-assets", (chunks, callback) => {
chunks.forEach((chunk) => {
if(options.entryOnly && !chunk.isInitial()) return;
chunk.files
.filter(ModuleFilenameHelpers.matchObject.bind(undefined, options))
.forEach((file) =>
compilation.assets[file] = new ConcatSource(
banner, "\n", compilation.assets[file]
)
);
});
callback();
});
callback();
});
});
};
}
}
module.exports = BannerPlugin;