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CRISPRTool
/
igv_component
/node_modules
/enhanced-resolve
/lib
/ModulesInHierarchicalDirectoriesPlugin.js
/* | |
MIT License http://www.opensource.org/licenses/mit-license.php | |
Author Tobias Koppers @sokra | |
*/ | |
; | |
const forEachBail = require("./forEachBail"); | |
const getPaths = require("./getPaths"); | |
/** @typedef {import("./Resolver")} Resolver */ | |
/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */ | |
/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */ | |
module.exports = class ModulesInHierarchicalDirectoriesPlugin { | |
/** | |
* @param {string | ResolveStepHook} source source | |
* @param {string | Array<string>} directories directories | |
* @param {string | ResolveStepHook} target target | |
*/ | |
constructor(source, directories, target) { | |
this.source = source; | |
this.directories = /** @type {Array<string>} */ ([]).concat(directories); | |
this.target = target; | |
} | |
/** | |
* @param {Resolver} resolver the resolver | |
* @returns {void} | |
*/ | |
apply(resolver) { | |
const target = resolver.ensureHook(this.target); | |
resolver | |
.getHook(this.source) | |
.tapAsync( | |
"ModulesInHierarchicalDirectoriesPlugin", | |
(request, resolveContext, callback) => { | |
const fs = resolver.fileSystem; | |
const addrs = getPaths(/** @type {string} */ (request.path)) | |
.paths.map(p => { | |
return this.directories.map(d => resolver.join(p, d)); | |
}) | |
.reduce((array, p) => { | |
array.push.apply(array, p); | |
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 | |
); | |
} | |
); | |
} | |
}; | |