Marc Mintel
5397309103
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46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperties} DestructuringAssignmentProperties */
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/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperty} DestructuringAssignmentProperty */
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/**
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* Deep first traverse the properties of a destructuring assignment.
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* @param {DestructuringAssignmentProperties} properties destructuring assignment properties
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* @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} onLeftNode on left node callback
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* @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} enterNode enter node callback
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* @param {((stack: DestructuringAssignmentProperty[]) => void) | undefined=} exitNode exit node callback
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* @param {DestructuringAssignmentProperty[] | undefined=} stack stack of the walking nodes
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*/
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function traverseDestructuringAssignmentProperties(
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properties,
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onLeftNode,
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enterNode,
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exitNode,
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stack = []
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) {
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for (const property of properties) {
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stack.push(property);
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if (enterNode) enterNode(stack);
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if (property.pattern) {
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traverseDestructuringAssignmentProperties(
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property.pattern,
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onLeftNode,
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enterNode,
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exitNode,
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stack
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);
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} else if (onLeftNode) {
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onLeftNode(stack);
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}
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if (exitNode) exitNode(stack);
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stack.pop();
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}
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}
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module.exports = traverseDestructuringAssignmentProperties;
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