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- /**
- * @author Toru Nagashima
- * See LICENSE file in root directory for full license.
- */
- "use strict"
- const DEFAULT_VALUE = Object.freeze([".js", ".json", ".node"])
- /**
- * Gets `tryExtensions` property from a given option object.
- *
- * @param {object|undefined} option - An option object to get.
- * @returns {string[]|null} The `tryExtensions` value, or `null`.
- */
- function get(option) {
- if (option && option.tryExtensions && Array.isArray(option.tryExtensions)) {
- return option.tryExtensions.map(String)
- }
- return null
- }
- /**
- * Gets "tryExtensions" setting.
- *
- * 1. This checks `options` property, then returns it if exists.
- * 2. This checks `settings.node` property, then returns it if exists.
- * 3. This returns `[".js", ".json", ".node"]`.
- *
- * @param {RuleContext} context - The rule context.
- * @returns {string[]} A list of extensions.
- */
- module.exports = function getTryExtensions(context, optionIndex = 0) {
- return (
- get(context.options && context.options[optionIndex]) ||
- get(context.settings && context.settings.node) ||
- DEFAULT_VALUE
- )
- }
- module.exports.schema = {
- type: "array",
- items: {
- type: "string",
- pattern: "^\\.",
- },
- uniqueItems: true,
- }
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