forked from lix-project/lix-website
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
'use strict';
|
|
|
|
exports.__esModule = true;
|
|
|
|
const extname = require('path').extname;
|
|
|
|
const log = require('debug')('eslint-plugin-import:utils:ignore');
|
|
|
|
// one-shot memoized
|
|
/** @type {Set<import('./types').Extension>} */ let cachedSet;
|
|
/** @type {import('./types').ESLintSettings} */ let lastSettings;
|
|
|
|
/** @type {(context: import('eslint').Rule.RuleContext) => Set<import('./types').Extension>} */
|
|
function validExtensions(context) {
|
|
if (cachedSet && context.settings === lastSettings) {
|
|
return cachedSet;
|
|
}
|
|
|
|
lastSettings = context.settings;
|
|
cachedSet = makeValidExtensionSet(context.settings);
|
|
return cachedSet;
|
|
}
|
|
|
|
/** @type {import('./ignore').getFileExtensions} */
|
|
function makeValidExtensionSet(settings) {
|
|
// start with explicit JS-parsed extensions
|
|
/** @type {Set<import('./types').Extension>} */
|
|
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;
|
|
|
|
/** @type {import('./ignore').default} */
|
|
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;
|
|
};
|
|
|
|
/** @type {import('./ignore').hasValidExtension} */
|
|
function hasValidExtension(path, context) {
|
|
// eslint-disable-next-line no-extra-parens
|
|
return validExtensions(context).has(/** @type {import('./types').Extension} */ (extname(path)));
|
|
}
|
|
exports.hasValidExtension = hasValidExtension;
|