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node_modules/stylelint/lib/utils/getDimension.mjs

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+import valueParser from 'postcss-value-parser';
+
+import blurInterpolation from './blurInterpolation.mjs';
+import isStandardSyntaxValue from './isStandardSyntaxValue.mjs';
+
+/**
+ * Get Dimension from value node;
+ * `unit` and `number` return null if neither is found
+ *
+ * @param {import('postcss-value-parser').Node} node
+ *
+ * @returns {{unit: null, number: null} | valueParser.Dimension}
+ */
+export default function getDimension(node) {
+	if (!node || !node.value) {
+		return {
+			unit: null,
+			number: null,
+		};
+	}
+
+	// Ignore non-word nodes
+	if (node.type !== 'word') {
+		return {
+			unit: null,
+			number: null,
+		};
+	}
+
+	// Ignore non standard syntax
+	if (!isStandardSyntaxValue(node.value)) {
+		return {
+			unit: null,
+			number: null,
+		};
+	}
+
+	// Ignore HEX
+	if (node.value.startsWith('#')) {
+		return {
+			unit: null,
+			number: null,
+		};
+	}
+
+	// Remove non standard stuff
+	const value = blurInterpolation(node.value, '')
+		// ignore hack unit
+		.replace('\\0', '')
+		.replace('\\9', '');
+
+	const parsedUnit = valueParser.unit(value);
+
+	if (!parsedUnit) {
+		return {
+			unit: null,
+			number: null,
+		};
+	}
+
+	return parsedUnit;
+}