53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
'use strict';
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const hasInterpolation = require('../utils/hasInterpolation');
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/**
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* Check whether a value is standard
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*
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* @param {string} value
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* @returns {boolean}
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*/
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module.exports = function isStandardSyntaxValue(value) {
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let normalizedValue = value;
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// Ignore operators before variables (example -$variable)
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if (/^[-+*/]/.test(value.charAt(0))) {
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normalizedValue = normalizedValue.slice(1);
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}
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// SCSS variable (example $variable)
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if (normalizedValue.startsWith('$')) {
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return false;
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}
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// SCSS namespace (example namespace.$variable)
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if (/^.+\.\$/.test(value)) {
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return false;
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}
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// SCSS namespace (example namespace.function-name())
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if (/^.+\.[-\w]+\(/.test(value)) {
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return false;
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}
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// Less variable
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if (normalizedValue.startsWith('@')) {
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return false;
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}
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// SCSS or Less interpolation
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if (hasInterpolation(normalizedValue)) {
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return false;
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}
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// WebExtension replacement keyword used by Chrome/Firefox
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// more information: https://developer.chrome.com/extensions/i18n
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// and https://github.com/stylelint/stylelint/issues/4707
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if (/__MSG_\S+__/.test(value)) {
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return false;
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}
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return true;
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};
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