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node_modules/stylelint/lib/utils/nodeFieldIndices.mjs

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+import getAtRuleParams from './getAtRuleParams.mjs';
+import getRuleSelector from './getRuleSelector.mjs';
+
+import { isObject, isString } from './validateTypes.mjs';
+
+/** @import {AtRule, Declaration, Rule} from 'postcss' */
+
+/**
+ * @param {AtRule} atRule
+ * @returns {number}
+ */
+export function atRuleParamIndex(atRule) {
+	const index = atRuleAfterNameIndex(atRule);
+
+	return index + (atRule.raws.afterName?.length ?? 0);
+}
+
+/**
+ * @param {AtRule} atRule
+ * @returns {number}
+ */
+export function atRuleAfterIndex(atRule) {
+	// subtract 1 for `}`
+
+	const endOffset = atRule.source?.end?.offset;
+
+	if (!endOffset) return atRule.toString().length - 1;
+
+	const afterLength = atRule.raws?.after?.length;
+
+	if (!afterLength) return endOffset - 1;
+
+	return endOffset - (afterLength + 1);
+}
+
+/**
+ * @param {AtRule} atRule
+ * @returns {number}
+ */
+export function atRuleAfterNameIndex(atRule) {
+	// Initial 1 is for the `@`
+	return 1 + atRule.name.length;
+}
+
+/**
+ * @param {AtRule} atRule
+ * @returns {number}
+ */
+export function atRuleBetweenIndex(atRule) {
+	return atRuleParamIndex(atRule) + getAtRuleParams(atRule).length;
+}
+
+/**
+ * @param {Declaration} decl
+ * @returns {number}
+ */
+export function declarationBetweenIndex(decl) {
+	const { prop } = decl.raws;
+	const propIsObject = isObject(prop);
+
+	return countChars([
+		propIsObject && 'prefix' in prop && prop.prefix,
+		(propIsObject && 'raw' in prop && prop.raw) || decl.prop,
+		propIsObject && 'suffix' in prop && prop.suffix,
+	]);
+}
+
+/**
+ * Get the index of a declaration's value
+ *
+ * @param {Declaration} decl
+ * @returns {number}
+ */
+export function declarationValueIndex(decl) {
+	const { between, value } = decl.raws;
+
+	return (
+		declarationBetweenIndex(decl) +
+		countChars([between || ':', value && 'prefix' in value && value.prefix])
+	);
+}
+
+/**
+ * @param {Rule} rule
+ * @returns {number}
+ */
+export function ruleBetweenIndex(rule) {
+	return getRuleSelector(rule).length;
+}
+
+/**
+ * @param {Rule} rule
+ * @returns {number}
+ */
+export function ruleAfterIndex(rule) {
+	// subtract 1 for `}`
+
+	const endOffset = rule.source?.end?.offset;
+
+	if (!endOffset) return rule.toString().length - 1;
+
+	const afterLength = rule.raws?.after?.length;
+
+	if (!afterLength) return endOffset - 1;
+
+	return endOffset - (afterLength + 1);
+}
+
+/**
+ * @param {unknown[]} values
+ * @returns {number}
+ */
+function countChars(values) {
+	return values.reduce((/** @type {number} */ count, value) => {
+		if (isString(value)) return count + value.length;
+
+		return count;
+	}, 0);
+}