| Path : /var/www/html/infraai.ai/frontend/node_modules/webpack/lib/ |
|
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| Current File : /var/www/html/infraai.ai/frontend/node_modules/webpack/lib/BannerPlugin.js |
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const Compilation = require("./Compilation");
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
const Template = require("./Template");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginArgument} BannerPluginArgument */
/** @typedef {import("../declarations/plugins/BannerPlugin").BannerPluginOptions} BannerPluginOptions */
/** @typedef {import("./Compilation").PathDataChunk} PathDataChunk */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./Chunk")} Chunk */
/** @typedef {(data: { hash?: string, chunk: Chunk, filename: string }) => string} BannerFunction */
/**
* Wraps banner text in a JavaScript block comment, preserving multi-line
* formatting and escaping accidental comment terminators.
* @param {string} str string to wrap
* @returns {string} wrapped string
*/
const wrapComment = (str) => {
if (!str.includes("\n")) {
return Template.toComment(str);
}
return `/*!\n * ${str
.replace(/\*\//g, "* /")
.split("\n")
.join("\n * ")
.replace(/\s+\n/g, "\n")
.trimEnd()}\n */`;
};
const PLUGIN_NAME = "BannerPlugin";
/**
* Prepends or appends banner text to emitted assets that match the configured
* file filters.
*/
class BannerPlugin {
/**
* Normalizes banner options and compiles the configured banner source into a
* function that can render per-asset banner text.
* @param {BannerPluginArgument} options options object
*/
constructor(options) {
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;
/** @type {BannerFunction} */
this.banner = this.options.raw
? getBanner
: /** @type {BannerFunction} */ (data) => wrapComment(getBanner(data));
} else {
const banner = this.options.raw
? bannerOption
: wrapComment(bannerOption);
/** @type {BannerFunction} */
this.banner = () => banner;
}
}
/**
* Validates the configured options and injects rendered banner comments into
* matching compilation assets at the configured process-assets stage.
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.validate.tap(PLUGIN_NAME, () => {
compiler.validate(
() => require("../schemas/plugins/BannerPlugin.json"),
this.options,
{
name: "Banner Plugin",
baseDataPath: "options"
},
(options) => require("../schemas/plugins/BannerPlugin.check")(options)
);
});
const options = this.options;
const banner = this.banner;
const matchObject = ModuleFilenameHelpers.matchObject.bind(
undefined,
options
);
/** @type {WeakMap<Source, { source: ConcatSource, comment: string }>} */
const cache = new WeakMap();
const stage =
this.options.stage || Compilation.PROCESS_ASSETS_STAGE_ADDITIONS;
compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
compilation.hooks.processAssets.tap({ name: PLUGIN_NAME, stage }, () => {
for (const chunk of compilation.chunks) {
if (options.entryOnly && !chunk.canBeInitial()) {
continue;
}
for (const file of chunk.files) {
if (!matchObject(file)) {
continue;
}
/** @type {PathDataChunk} */
const data = { chunk, filename: file };
const comment = compilation.getPath(
/** @type {string | import("./TemplatedPathPlugin").TemplatePathFn<PathDataChunk>} */
(banner),
data
);
compilation.updateAsset(file, (old) => {
const cached = cache.get(old);
if (!cached || cached.comment !== comment) {
const source = options.footer
? new ConcatSource(old, "\n", comment)
: new ConcatSource(comment, "\n", old);
cache.set(old, { source, comment });
return source;
}
return cached.source;
});
}
}
});
});
}
}
module.exports = BannerPlugin;