/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const forEachBail = require("./forEachBail");
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const getPaths = require("./getPaths");
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/** @typedef {import("./Resolver")} Resolver */
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/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
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/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
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/** @typedef {import("./Resolver").ResolveContext} ResolveContext */
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/** @typedef {(err?: null | Error, result?: null | ResolveRequest) => void} InnerCallback */
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/**
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* @param {Resolver} resolver resolver
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* @param {string[]} directories directories
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* @param {ResolveStepHook} target target
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* @param {ResolveRequest} request request
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* @param {ResolveContext} resolveContext resolve context
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* @param {InnerCallback} callback callback
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* @returns {void}
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*/
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function modulesResolveHandler(
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resolver,
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directories,
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target,
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request,
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resolveContext,
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callback,
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) {
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const fs = resolver.fileSystem;
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const addrs = getPaths(/** @type {string} */ (request.path))
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.paths.map((path) =>
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directories.map((directory) => resolver.join(path, directory)),
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)
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.reduce((array, path) => {
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array.push(...path);
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return array;
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}, []);
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forEachBail(
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addrs,
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/**
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* @param {string} addr addr
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* @param {(err?: null | Error, result?: null | ResolveRequest) => void} callback callback
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* @returns {void}
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*/
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(addr, callback) => {
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fs.stat(addr, (err, stat) => {
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if (!err && stat && stat.isDirectory()) {
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/** @type {ResolveRequest} */
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const obj = {
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...request,
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path: addr,
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request: `./${request.request}`,
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module: false,
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};
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const message = `looking for modules in ${addr}`;
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return resolver.doResolve(
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target,
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obj,
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message,
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resolveContext,
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callback,
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);
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}
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if (resolveContext.log) {
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resolveContext.log(`${addr} doesn't exist or is not a directory`);
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}
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if (resolveContext.missingDependencies) {
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resolveContext.missingDependencies.add(addr);
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}
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return 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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module.exports = {
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modulesResolveHandler,
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};
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