Istanbul instrumentation

var cov_zoq5pks22 = function(){
    var path = "/Users/john/Desktop/Ankara/index.mjs";
    var hash = "1cb851c4e007f6f43b2455bff99d005ea5e0d599";
    var global = new Function("return this")();
    var gcv = "__coverage__";
    var coverageData = {
        path: "/Users/john/Desktop/Ankara/index.mjs",
        statementMap: {
            0: {
                start: {line: 2, column: 1},
                end:   {line: 7, column: 2},
            },
            1: {
                start: {line: 3, column: 2},
                end:   {line: 3, column: 15},
            },
            2: {
                start: {line: 6, column: 2},
                end:   {line: 6, column: 15},
            },
        },
        fnMap: {
            0: {
                line: 1,
                name: "foo",
                decl: {
                    start: {line: 1, column: 24},
                    end:   {line: 1, column: 27},
                },
                loc: {
                    start: {line: 1, column: 36},
                    end:   {line: 8, column: 1},
                },
            },
        },
        branchMap: {
            0: {
                line: 2,
                loc: {
                    start: {line: 2, column: 1},
                    end:   {line: 7, column: 2},
                },
                type: "if",
                locations: [{
                    start: {line: 2, column: 1},
                    end:   {line: 7, column: 2},
                },{
                    start: {line: 2, column: 1},
                    end:   {line: 7, column: 2},
                }],
            }
        },
        s: {
            0: 0,
            1: 0,
            2: 0,
        },
        f: {
            0: 0,
        },
        b: {
            0: [0, 0],
        },
        _coverageSchema: "43e27e138ebf9cfc5966b082cf9a028302ed4184",
        hash: "1cb851c4e007f6f43b2455bff99d005ea5e0d599",
    };
    var coverage = global[gcv] || (global[gcv] = {});
    if(coverage[path] && coverage[path].hash === hash)
        return coverage[path];
    return coverage[path] = coverageData;
}();

export default function foo(a, b, c){
    cov_zoq5pks22.f[0]++;
    cov_zoq5pks22.s[0]++;
    if(a){
        cov_zoq5pks22.b[0][0]++;
        cov_zoq5pks22.s[1]++;
        return b + c;
    }
    else{
        cov_zoq5pks22.b[0][1]++;
        cov_zoq5pks22.s[2]++;
        return b - c;
    }
}