/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/** @typedef {import("./Resolver")} Resolver */
/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
module.exports = class UseFilePlugin {
/**
* @param {string | ResolveStepHook} source source
* @param {string} filename filename
* @param {string | ResolveStepHook} target target
*/
constructor(source, filename, target) {
this.source = source;
this.filename = filename;
this.target = target;
}
/**
* @param {Resolver} resolver the resolver
* @returns {void}
*/
apply(resolver) {
const target = resolver.ensureHook(this.target);
resolver
.getHook(this.source)
.tapAsync("UseFilePlugin", (request, resolveContext, callback) => {
const filePath = resolver.join(
/** @type {string} */ (request.path),
this.filename
);
/** @type {ResolveRequest} */
const obj = {
...request,
path: filePath,
relativePath:
request.relativePath &&
resolver.join(request.relativePath, this.filename)
};
resolver.doResolve(
target,
obj,
"using path: " + filePath,
resolveContext,
callback
);
});
}
};