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- 'use strict';
- exports.__esModule = true;
- const extname = require('path').extname;
- const log = require('debug')('eslint-plugin-import:utils:ignore');
- // one-shot memoized
- let cachedSet; let lastSettings;
- function validExtensions(context) {
- if (cachedSet && context.settings === lastSettings) {
- return cachedSet;
- }
- lastSettings = context.settings;
- cachedSet = makeValidExtensionSet(context.settings);
- return cachedSet;
- }
- function makeValidExtensionSet(settings) {
- // start with explicit JS-parsed extensions
- const exts = new Set(settings['import/extensions'] || [ '.js' ]);
- // all alternate parser extensions are also valid
- if ('import/parsers' in settings) {
- for (const parser in settings['import/parsers']) {
- const parserSettings = settings['import/parsers'][parser];
- if (!Array.isArray(parserSettings)) {
- throw new TypeError('"settings" for ' + parser + ' must be an array');
- }
- parserSettings.forEach(ext => exts.add(ext));
- }
- }
- return exts;
- }
- exports.getFileExtensions = makeValidExtensionSet;
- exports.default = function ignore(path, context) {
- // check extension whitelist first (cheap)
- if (!hasValidExtension(path, context)) return true;
- if (!('import/ignore' in context.settings)) return false;
- const ignoreStrings = context.settings['import/ignore'];
- for (let i = 0; i < ignoreStrings.length; i++) {
- const regex = new RegExp(ignoreStrings[i]);
- if (regex.test(path)) {
- log(`ignoring ${path}, matched pattern /${ignoreStrings[i]}/`);
- return true;
- }
- }
- return false;
- };
- function hasValidExtension(path, context) {
- return validExtensions(context).has(extname(path));
- }
- exports.hasValidExtension = hasValidExtension;
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