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63 lines
1.3 KiB
63 lines
1.3 KiB
2 years ago
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Ivan Kopeykin @vankop
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*/
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"use strict";
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const forEachBail = require("./forEachBail");
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/** @typedef {import("./Resolver")} Resolver */
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/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
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class RootsPlugin {
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/**
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* @param {string | ResolveStepHook} source source hook
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* @param {Set<string>} roots roots
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* @param {string | ResolveStepHook} target target hook
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*/
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constructor(source, roots, target) {
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this.roots = Array.from(roots);
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this.source = source;
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this.target = target;
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}
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/**
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* @param {Resolver} resolver the resolver
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* @returns {void}
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*/
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apply(resolver) {
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const target = resolver.ensureHook(this.target);
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resolver
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.getHook(this.source)
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.tapAsync("RootsPlugin", (request, resolveContext, callback) => {
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const req = request.request;
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if (!req) return callback();
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if (!req.startsWith("/")) return callback();
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forEachBail(
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this.roots,
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(root, callback) => {
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const path = resolver.join(root, req.slice(1));
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const obj = {
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...request,
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path,
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relativePath: request.relativePath && path
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};
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resolver.doResolve(
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target,
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obj,
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`root path ${root}`,
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resolveContext,
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callback
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);
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},
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callback
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);
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});
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}
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}
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module.exports = RootsPlugin;
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