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