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osrm

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The Open Source Routing Machine is a high performance routing engine written in C++14 designed to run on OpenStreetMap data.

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module.exports = function (original, filter) { const obj = {} filter = filter || function (k, v) { return true } Object.keys(original || {}).forEach(function (key) { if (filter(key, original[key])) { obj[key] = original[key] } }) return obj }