4584a8b570
* Updating everything except the license headers themselves * Applying ESLint rules * Manually replacing the stragglers
104 lines
3.1 KiB
JavaScript
Executable file
104 lines
3.1 KiB
JavaScript
Executable file
/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License
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* 2.0 and the Server Side Public License, v 1; you may not use this file except
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* in compliance with, at your election, the Elastic License 2.0 or the Server
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* Side Public License, v 1.
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*/
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const { join, dirname, extname } = require('path');
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const webpackResolver = require('eslint-import-resolver-webpack');
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const nodeResolver = require('eslint-import-resolver-node');
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const {
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getKibanaPath,
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getProjectRoot,
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getWebpackConfig,
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isFile,
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getIsPathRequest,
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resolveWebpackAlias,
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} = require('./lib');
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// cache context, it shouldn't change
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let context;
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function initContext(file, config) {
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if (context) {
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return context;
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}
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const projectRoot = getProjectRoot(file, config);
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const kibanaPath = getKibanaPath(config, projectRoot);
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const webpackConfig = getWebpackConfig(kibanaPath, projectRoot, config);
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const aliasEntries = Object.entries(webpackConfig.resolve.alias || {});
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context = {
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webpackConfig,
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aliasEntries,
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};
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return context;
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}
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function tryNodeResolver(importRequest, file, config) {
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return nodeResolver.resolve(
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importRequest,
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file,
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// we use Object.assign so that this file is compatible with slightly older
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// versions of node.js used by IDEs (eg. resolvers are run in the Electron
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// process in Atom)
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Object.assign({}, config, {
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extensions: ['.js', '.json', '.ts', '.tsx'],
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isFile,
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})
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);
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}
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exports.resolve = function resolveKibanaPath(importRequest, file, config) {
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config = config || {};
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if (config.forceNode) {
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return tryNodeResolver(importRequest, file, config);
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}
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const { webpackConfig, aliasEntries } = initContext(file, config);
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let isPathRequest = getIsPathRequest(importRequest);
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// if the importRequest is not a path we might be able to map it to a path
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// by comparing it to the webpack aliases. If we can convert it to a path
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// without actually invoking the webpack resolver we can save a lot of time
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if (!isPathRequest) {
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const resolvedAlias = resolveWebpackAlias(importRequest, aliasEntries);
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if (resolvedAlias) {
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importRequest = resolvedAlias;
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isPathRequest = true;
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}
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}
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// if the importRequest is a path, and it has a file extension, then
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// we just resolve it. This is most helpful with relative imports for
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// .css and .html files because those don't work with the node resolver
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// and we can resolve them much quicker than webpack
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if (isPathRequest && extname(importRequest)) {
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const abs = join(dirname(file), importRequest);
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if (isFile(abs)) {
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return {
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found: true,
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path: abs,
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};
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}
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}
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const nodeResult = tryNodeResolver(importRequest, file, config);
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if (nodeResult && nodeResult.found) {
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return nodeResult;
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}
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return webpackResolver.resolve(importRequest, file, {
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config: webpackConfig,
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});
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};
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// use version 2 of the resolver interface, https://github.com/benmosher/eslint-plugin-import/blob/master/resolvers/README.md#interfaceversion--number
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exports.interfaceVersion = 2;
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