mirror of https://github.com/webpack/webpack.git
41 lines
1.3 KiB
JavaScript
41 lines
1.3 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
var ConcatSource = require("webpack-sources").ConcatSource;
|
|
var ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
|
|
|
|
function wrapComment(str) {
|
|
if(str.indexOf("\n") < 0) 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;
|
|
|
|
BannerPlugin.prototype.apply = function(compiler) {
|
|
var options = this.options;
|
|
var banner = this.banner;
|
|
|
|
compiler.plugin("compilation", function(compilation) {
|
|
compilation.plugin("optimize-chunk-assets", function(chunks, callback) {
|
|
chunks.forEach(function(chunk) {
|
|
if(options.entryOnly && !chunk.initial) return;
|
|
chunk.files.filter(ModuleFilenameHelpers.matchObject.bind(undefined, options)).forEach(function(file) {
|
|
compilation.assets[file] = new ConcatSource(banner, "\n", compilation.assets[file]);
|
|
});
|
|
});
|
|
callback();
|
|
});
|
|
});
|
|
};
|