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63 lines
1.5 KiB
63 lines
1.5 KiB
4 years ago
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/*
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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 concord = require("./concord");
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const DescriptionFileUtils = require("./DescriptionFileUtils");
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const forEachBail = require("./forEachBail");
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module.exports = class ConcordExtensionsPlugin {
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constructor(source, options, target) {
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this.source = source;
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this.options = options;
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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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"ConcordExtensionsPlugin",
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(request, resolveContext, callback) => {
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const concordField = DescriptionFileUtils.getField(
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request.descriptionFileData,
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"concord"
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);
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if (!concordField) return callback();
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const extensions = concord.getExtensions(
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request.context,
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concordField
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);
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if (!extensions) return callback();
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forEachBail(
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extensions,
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(appending, callback) => {
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const obj = Object.assign({}, request, {
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path: request.path + appending,
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relativePath:
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request.relativePath && request.relativePath + appending
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});
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resolver.doResolve(
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target,
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obj,
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"concord extension: " + appending,
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resolveContext,
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callback
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);
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},
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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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