Function compareProperties

test/fixtures/snapshot/typescript.js:2183–2188

(a, b, key, comparer)

    }
    ts.compareStringsCaseSensitiveUI = compareStringsCaseSensitiveUI;
    function compareProperties(a, b, key, comparer) {
        return a === b ? 0 /* Comparison.EqualTo */ :
            a === undefined ? -1 /* Comparison.LessThan */ :
                b === undefined ? 1 /* Comparison.GreaterThan */ :
                    comparer(a[key], b[key]);
    }
    ts.compareProperties = compareProperties;
    /** True is greater than false. */
    function compareBooleans(a, b) {