eslint-plugin-unicorn/rules/utils/is-node-matches.js

More than 100 powerful ESLint rules

/**
Check if node matches object name or key path.

@param {Node} node - The AST node to check.
@param {string} nameOrPath - The object name or key path.
@returns {boolean}
*/
export function isNodeMatchesNameOrPath(node, nameOrPath) {
	const names = nameOrPath.trim().split('.');
	for (let index = names.length - 1; index >= 0; index--) {
		const name = names[index];
		if (!name) {
			return false;
		}

		if (index === 0) {
			return (
				(node.type === 'Identifier' && node.name === name)
				|| (name === 'this' && node.type === 'ThisExpression')
				|| (name === 'super' && node.type === 'Super')
			);
		}

		if (
			index === 1
			&& node.type === 'MetaProperty'
			&& node.property.type === 'Identifier'
			&& node.property.name === name
		) {
			node = node.meta;
			continue;
		}

		if (
			node.type === 'MemberExpression'
			&& !node.optional
			&& !node.computed
			&& node.property.type === 'Identifier'
			&& node.property.name === name
		) {
			node = node.object;
			continue;
		}

		return false;
	}
}

/**
Check if node matches any object name or key path.

@param {Node} node - The AST node to check.
@param {string[]} nameOrPaths - The object name or key paths.
@returns {boolean}
*/
export function isNodeMatches(node, nameOrPaths) {
	return nameOrPaths.some(nameOrPath => isNodeMatchesNameOrPath(node, nameOrPath));
}