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