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32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
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/* @flow */
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"use strict"
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const Result = require("postcss/lib/result")
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const normalizeRuleSettings = require("../normalizeRuleSettings")
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const rules = require("../rules")
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// Useful for third-party code (e.g. plugins) to run a PostCSS Root
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// against a specific rule and do something with the warnings
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module.exports = function (
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options/*: {
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ruleName: string,
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ruleSettings: stylelint$configRuleSettings,
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root: Object,
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}*/,
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callback/*: Function*/
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) {
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if (!options) throw new Error("checkAgainstRule requires an options object with 'ruleName', 'ruleSettings', and 'root' properties")
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if (!callback) throw new Error("checkAgainstRule requires a callback")
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if (!options.ruleName) throw new Error("checkAgainstRule requires a 'ruleName' option")
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if (!rules[options.ruleName]) throw new Error(`Rule '${options.ruleName}' does not exist`)
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if (!options.ruleSettings) throw new Error("checkAgainstRule requires a 'ruleSettings' option")
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if (!options.root) throw new Error("checkAgainstRule requires a 'root' option")
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const settings = normalizeRuleSettings(options.ruleSettings, options.ruleName)
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if (!settings) { return }
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const tmpPostcssResult = new Result()
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rules[options.ruleName](settings[0], settings[1])(options.root, tmpPostcssResult)
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tmpPostcssResult.warnings().forEach(callback)
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}
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