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keksAccountGUI/node_modulesOLD/webpack/lib/BannerPlugin.js

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2019-08-11 18:48:02 +00:00
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
const Template = require("./Template");
const validateOptions = require("schema-utils");
const schema = require("../schemas/plugins/BannerPlugin.json");
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginArgument} BannerPluginArgument */
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginOptions} BannerPluginOptions */
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) {
if (arguments.length > 1) {
throw new Error(
"BannerPlugin only takes one argument (pass an options object)"
);
}
validateOptions(schema, options, "Banner Plugin");
if (typeof options === "string" || typeof options === "function") {
options = {
banner: options
};
}
/** @type {BannerPluginOptions} */
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;
}
}
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;