124 lines
2.9 KiB
JavaScript
124 lines
2.9 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const validateOptions = require("schema-utils");
|
|
const { ConcatSource } = require("webpack-sources");
|
|
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
|
|
const Template = require("./Template");
|
|
|
|
const schema = require("../schemas/plugins/BannerPlugin.json");
|
|
|
|
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginArgument} BannerPluginArgument */
|
|
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginOptions} BannerPluginOptions */
|
|
/** @typedef {import("./Compiler")} Compiler */
|
|
|
|
const wrapComment = str => {
|
|
if (!str.includes("\n")) {
|
|
return Template.toComment(str);
|
|
}
|
|
return `/*!\n * ${str
|
|
.replace(/\*\//g, "* /")
|
|
.split("\n")
|
|
.join("\n * ")}\n */`;
|
|
};
|
|
|
|
class BannerPlugin {
|
|
/**
|
|
* @param {BannerPluginArgument} options options object
|
|
*/
|
|
constructor(options) {
|
|
validateOptions(schema, options, "Banner Plugin");
|
|
|
|
if (typeof options === "string" || typeof options === "function") {
|
|
options = {
|
|
banner: options
|
|
};
|
|
}
|
|
|
|
this.options = options;
|
|
|
|
const bannerOption = options.banner;
|
|
if (typeof bannerOption === "function") {
|
|
const getBanner = bannerOption;
|
|
this.banner = this.options.raw
|
|
? getBanner
|
|
: data => wrapComment(getBanner(data));
|
|
} else {
|
|
const banner = this.options.raw
|
|
? bannerOption
|
|
: wrapComment(bannerOption);
|
|
this.banner = () => banner;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {Compiler} compiler webpack compiler
|
|
* @returns {void}
|
|
*/
|
|
apply(compiler) {
|
|
const options = this.options;
|
|
const banner = this.banner;
|
|
const matchObject = ModuleFilenameHelpers.matchObject.bind(
|
|
undefined,
|
|
options
|
|
);
|
|
|
|
compiler.hooks.compilation.tap("BannerPlugin", compilation => {
|
|
compilation.hooks.optimizeChunkAssets.tap("BannerPlugin", chunks => {
|
|
for (const chunk of chunks) {
|
|
if (options.entryOnly && !chunk.canBeInitial()) {
|
|
continue;
|
|
}
|
|
|
|
for (const file of chunk.files) {
|
|
if (!matchObject(file)) {
|
|
continue;
|
|
}
|
|
|
|
let basename;
|
|
let query = "";
|
|
let filename = file;
|
|
const hash = compilation.hash;
|
|
const querySplit = filename.indexOf("?");
|
|
|
|
if (querySplit >= 0) {
|
|
query = filename.substr(querySplit);
|
|
filename = filename.substr(0, querySplit);
|
|
}
|
|
|
|
const lastSlashIndex = filename.lastIndexOf("/");
|
|
|
|
if (lastSlashIndex === -1) {
|
|
basename = filename;
|
|
} else {
|
|
basename = filename.substr(lastSlashIndex + 1);
|
|
}
|
|
|
|
const data = {
|
|
hash,
|
|
chunk,
|
|
filename,
|
|
basename,
|
|
query
|
|
};
|
|
|
|
const comment = compilation.getPath(banner(data), data);
|
|
|
|
compilation.assets[file] = new ConcatSource(
|
|
comment,
|
|
"\n",
|
|
compilation.assets[file]
|
|
);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
module.exports = BannerPlugin;
|