99 lines
2.6 KiB
JavaScript
99 lines
2.6 KiB
JavaScript
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const DescriptionFileUtils = require("./DescriptionFileUtils");
|
||
|
|
|
||
|
|
/** @typedef {import("./Resolver")} Resolver */
|
||
|
|
/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
|
||
|
|
/** @typedef {import("./Resolver").ResolveStepHook} ResolveStepHook */
|
||
|
|
|
||
|
|
module.exports = class DescriptionFilePlugin {
|
||
|
|
/**
|
||
|
|
* @param {string | ResolveStepHook} source source
|
||
|
|
* @param {string[]} filenames filenames
|
||
|
|
* @param {boolean} pathIsFile pathIsFile
|
||
|
|
* @param {string | ResolveStepHook} target target
|
||
|
|
*/
|
||
|
|
constructor(source, filenames, pathIsFile, target) {
|
||
|
|
this.source = source;
|
||
|
|
this.filenames = filenames;
|
||
|
|
this.pathIsFile = pathIsFile;
|
||
|
|
this.target = target;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Resolver} resolver the resolver
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(resolver) {
|
||
|
|
const target = resolver.ensureHook(this.target);
|
||
|
|
resolver
|
||
|
|
.getHook(this.source)
|
||
|
|
.tapAsync(
|
||
|
|
"DescriptionFilePlugin",
|
||
|
|
(request, resolveContext, callback) => {
|
||
|
|
const path = request.path;
|
||
|
|
if (!path) return callback();
|
||
|
|
const directory = this.pathIsFile
|
||
|
|
? DescriptionFileUtils.cdUp(path)
|
||
|
|
: path;
|
||
|
|
if (!directory) return callback();
|
||
|
|
DescriptionFileUtils.loadDescriptionFile(
|
||
|
|
resolver,
|
||
|
|
directory,
|
||
|
|
this.filenames,
|
||
|
|
request.descriptionFilePath
|
||
|
|
? {
|
||
|
|
path: request.descriptionFilePath,
|
||
|
|
content: request.descriptionFileData,
|
||
|
|
directory: /** @type {string} */ (request.descriptionFileRoot)
|
||
|
|
}
|
||
|
|
: undefined,
|
||
|
|
resolveContext,
|
||
|
|
(err, result) => {
|
||
|
|
if (err) return callback(err);
|
||
|
|
if (!result) {
|
||
|
|
if (resolveContext.log)
|
||
|
|
resolveContext.log(
|
||
|
|
`No description file found in ${directory} or above`
|
||
|
|
);
|
||
|
|
return callback();
|
||
|
|
}
|
||
|
|
const relativePath =
|
||
|
|
"." + path.slice(result.directory.length).replace(/\\/g, "/");
|
||
|
|
/** @type {ResolveRequest} */
|
||
|
|
const obj = {
|
||
|
|
...request,
|
||
|
|
descriptionFilePath: result.path,
|
||
|
|
descriptionFileData: result.content,
|
||
|
|
descriptionFileRoot: result.directory,
|
||
|
|
relativePath: relativePath
|
||
|
|
};
|
||
|
|
resolver.doResolve(
|
||
|
|
target,
|
||
|
|
obj,
|
||
|
|
"using description file: " +
|
||
|
|
result.path +
|
||
|
|
" (relative path: " +
|
||
|
|
relativePath +
|
||
|
|
")",
|
||
|
|
resolveContext,
|
||
|
|
(err, result) => {
|
||
|
|
if (err) return callback(err);
|
||
|
|
|
||
|
|
// Don't allow other processing
|
||
|
|
if (result === undefined) return callback(null, null);
|
||
|
|
callback(null, result);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
};
|