50 lines
1.2 KiB
JavaScript
50 lines
1.2 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 `allowModules` 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.allowModules && Array.isArray(option.allowModules)) {
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return option.allowModules.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 "allowModules" 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.n` | `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 getAllowModules(context) {
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return (
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get(context.options && context.options[0]) ||
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get(
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context.settings && (context.settings.n || context.settings.node)
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) ||
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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: {
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type: "string",
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pattern: "^(?:@[a-zA-Z0-9_\\-.]+/)?[a-zA-Z0-9_\\-.]+$",
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},
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uniqueItems: true,
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}
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