hafas-client/lib/find-in-tree.js

Client for HAFAS public transport APIs.

import objectScan from 'object-scan';

const createFindInTree = (needles) => {
	const scanner = objectScan(needles, {
		filterFn: ({value, parents, matchedBy, context}) => {
			matchedBy.forEach((needle) => {
				context[needle].push([value, parents]);
			});
		},
	});

	const findInTree = (haystack) => {
		const context = Object.create(null);
		needles.forEach((needle) => {
			context[needle] = [];
		});
		return scanner(haystack, context);
	};
	return findInTree;
};

export {
	createFindInTree,
};