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"use strict"; module.exports = function (t, a) { var x = {}, y = {}, z; z = t(x); a.not(z, x, "Returns different object"); a.deep(z, {}, "Empty on empty"); x = { foo: "bar", a: 0, b: false, c: "", d: "0", e: null, bar: y, elo: undefined }; z = t(x); a.deep(z, { foo: "bar", a: 0, b: false, c: "", d: "0", bar: y }, "Cleared null values"); };