28 lines
735 B
JavaScript
28 lines
735 B
JavaScript
/**
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* Check whether a at-rule is standard
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*
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* @param {import('postcss').AtRule | import('postcss-less').AtRule} atRule postcss at-rule node
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* @returns {boolean} If `true`, the declaration is standard
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*/
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export default function isStandardSyntaxAtRule(atRule) {
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// Ignore scss `@content` inside mixins
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if (!atRule.nodes && atRule.params === '') {
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return false;
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}
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// Ignore Less mixins
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if ('mixin' in atRule && atRule.mixin) {
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return false;
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}
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// Ignore Less detached ruleset `@detached-ruleset: { background: red; }; .top { @detached-ruleset(); }`
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if (
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('variable' in atRule && atRule.variable) ||
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(!atRule.nodes && atRule.raws.afterName === '' && atRule.params[0] === '(')
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) {
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return false;
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}
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return true;
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}
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