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76 lines
1.9 KiB
76 lines
1.9 KiB
/*
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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 DescriptionFileUtils = require("./DescriptionFileUtils");
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module.exports = class DescriptionFilePlugin {
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constructor(source, filenames, target) {
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this.source = source;
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this.filenames = [].concat(filenames);
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this.target = target;
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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(
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"DescriptionFilePlugin",
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(request, resolveContext, callback) => {
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const directory = request.path;
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DescriptionFileUtils.loadDescriptionFile(
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resolver,
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directory,
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this.filenames,
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resolveContext,
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(err, result) => {
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if (err) return callback(err);
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if (!result) {
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if (resolveContext.missing) {
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this.filenames.forEach(filename => {
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resolveContext.missing.add(
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resolver.join(directory, filename)
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);
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});
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}
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if (resolveContext.log)
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resolveContext.log("No description file found");
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return callback();
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}
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const relativePath =
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"." +
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request.path
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.substr(result.directory.length)
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.replace(/\\/g, "/");
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const obj = Object.assign({}, request, {
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descriptionFilePath: result.path,
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descriptionFileData: result.content,
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descriptionFileRoot: result.directory,
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relativePath: relativePath
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});
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resolver.doResolve(
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target,
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obj,
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"using description file: " +
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result.path +
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" (relative path: " +
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relativePath +
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")",
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resolveContext,
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(err, result) => {
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if (err) return callback(err);
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// Don't allow other processing
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if (result === undefined) return callback(null, null);
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callback(null, result);
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}
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);
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}
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);
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}
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);
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}
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};
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