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node_modules/webpack/lib/util/traverseDestructuringAssignmentProperties.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperties} DestructuringAssignmentProperties */
+/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperty} DestructuringAssignmentProperty */
+
+/**
+ * Deep first traverse the properties of a destructuring assignment.
+ * @param {DestructuringAssignmentProperties} properties destructuring assignment properties
+ * @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} onLeftNode on left node callback
+ * @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} enterNode enter node callback
+ * @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} exitNode exit node callback
+ * @param {DestructuringAssignmentProperty[] | undefined=} stack stack of the walking nodes
+ */
+function traverseDestructuringAssignmentProperties(
+	properties,
+	onLeftNode,
+	enterNode,
+	exitNode,
+	stack = []
+) {
+	for (const property of properties) {
+		stack.push(property);
+		if (enterNode) enterNode(stack);
+		if (property.pattern) {
+			traverseDestructuringAssignmentProperties(
+				property.pattern,
+				onLeftNode,
+				enterNode,
+				exitNode,
+				stack
+			);
+		} else if (onLeftNode) {
+			onLeftNode(stack);
+		}
+		if (exitNode) exitNode(stack);
+		stack.pop();
+	}
+}
+
+module.exports = traverseDestructuringAssignmentProperties;