LINQ to JavaScript

linq2js.js

//TODO 
/**
 * filter
 * map
 * skip
 * take
 * aggregate
 * sum
 * order
 */


var _ = function (array) {

    this.iterals = [];
    this.isArray = function (para) {
        return Array.isArray(para);
    };
    this.isGenerator = function (para) {
        return para.next && para.return;
    };

    if (this.isArray(array)) {
        var iteral = (function* () {
            for (let item of array) {
                yield item;
            }
        })();
        this.iterals.push(iteral);
    } else if (this.isGenerator(array)) {
        this.iterals.push(array);
    } else {
        throw "error para type";
    }
};

_.prototype.filter = function (filter) {
    var lastIteral = this.getIteral();
    var iteral = (function* () {
        console.info("filter");
        for (let item of lastIteral) {
            if (filter(item)) yield item;
        }
    })();
    this.iterals.push(iteral);
    return new _(iteral);
};
_.prototype.map = function (map) {
    var lastIteral = this.getIteral();

    var iteral = (function* () {
        console.info("map");
        for (let item of lastIteral) {
            yield map(item)
        }
    })();
    this.iterals.push(iteral);
    return new _(iteral);
};
_.prototype.skip = function (count) {
    var lastIteral = this.getIteral();
    var iteral = (function* () {
        for (let item of lastIteral) {
        }
    })();
};

_.prototype.getIteral = function (index) {
    if (arguments.length === 1) return this.iterals[index];

    return this.iterals[this.iterals.length - 1];
};
_.prototype.each = function (each) {
    var lastIteral = this.getIteral();
    for (let item of lastIteral) {
        each(item);
    }

    return this;
};
_.prototype.toArray = function () {
    var items = [];
    for (let item of this.getIteral()) {
        items.push(item);
    }
    return items;
}

var collection = [
    {
        Pk_Id: 32,
        ModifyTime: "/Date(1470299648877)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "3306",
        AdviserCodeAfterModify: "3008",
        CommissionAmountBeforeModify: 518.15,
        CommissionAmountAfterModify: 3008,
        ModifyReason: "all 3008",
        ExtendAdviserNameBeforeModify: "李辉",
        ExtendAdviserNameAfterModify: "晏雅玲"
    },
    {
        Pk_Id: 31,
        ModifyTime: "/Date(1470299551137)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "234",
        AdviserCodeAfterModify: "3306",
        CommissionAmountBeforeModify: 153.15,
        CommissionAmountAfterModify: 518.15,
        ModifyReason: "3306 518.15",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: "李辉"
    },
    {
        Pk_Id: 30,
        ModifyTime: "/Date(1470295282233)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "1234",
        AdviserCodeAfterModify: "234",
        CommissionAmountBeforeModify: 184.12,
        CommissionAmountAfterModify: 153.15,
        ModifyReason: "afeggg",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 29,
        ModifyTime: "/Date(1470294935437)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "2003",
        AdviserCodeAfterModify: "1234",
        CommissionAmountBeforeModify: 485.15,
        CommissionAmountAfterModify: 184.12,
        ModifyReason: "afe",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 28,
        ModifyTime: "/Date(1470294924593)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "50",
        AdviserCodeAfterModify: "2003",
        CommissionAmountBeforeModify: 362.21,
        CommissionAmountAfterModify: 485.15,
        ModifyReason: "sef",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 27,
        ModifyTime: "/Date(1470293121610)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "34",
        AdviserCodeAfterModify: "50",
        CommissionAmountBeforeModify: 23,
        CommissionAmountAfterModify: 362.21,
        ModifyReason: "afegg",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 24,
        ModifyTime: "/Date(1470281170900)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "233",
        AdviserCodeAfterModify: "34",
        CommissionAmountBeforeModify: 32542,
        CommissionAmountAfterModify: 23,
        ModifyReason: "5vaeef",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 23,
        ModifyTime: "/Date(1470280873237)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "3000",
        AdviserCodeAfterModify: "233",
        CommissionAmountBeforeModify: 512.512,
        CommissionAmountAfterModify: 32542,
        ModifyReason: "ve",
        ExtendAdviserNameBeforeModify: "陈汉江",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 22,
        ModifyTime: "/Date(1470277903100)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "1525",
        AdviserCodeAfterModify: "3000",
        CommissionAmountBeforeModify: 52.01,
        CommissionAmountAfterModify: 512.512,
        ModifyReason: "test",
        ExtendAdviserNameBeforeModify: "王琦",
        ExtendAdviserNameAfterModify: "陈汉江"
    },
    {
        Pk_Id: 21,
        ModifyTime: "/Date(1470217493753)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "7425",
        AdviserCodeAfterModify: "1525",
        CommissionAmountBeforeModify: 52.01,
        CommissionAmountAfterModify: 52.01,
        ModifyReason: "	调整后提成金额:",
        ExtendAdviserNameBeforeModify: "王军",
        ExtendAdviserNameAfterModify: "王琦"
    },
    {
        Pk_Id: 20,
        ModifyTime: "/Date(1470216507727)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "7412",
        AdviserCodeAfterModify: "7425",
        CommissionAmountBeforeModify: 4958345628344,
        CommissionAmountAfterModify: 52.01,
        ModifyReason: "	调整后提成金额:",
        ExtendAdviserNameBeforeModify: "张玥",
        ExtendAdviserNameAfterModify: "王军"
    },
    {
        Pk_Id: 19,
        ModifyTime: "/Date(1470216404457)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "1",
        AdviserCodeAfterModify: "7412",
        CommissionAmountBeforeModify: 2,
        CommissionAmountAfterModify: 4958345628344,
        ModifyReason: "4958345628344",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: "张玥"
    },
    {
        Pk_Id: 15,
        ModifyTime: "/Date(1470215642833)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "AFTER",
        AdviserCodeAfterModify: "1",
        CommissionAmountBeforeModify: 29304.12,
        CommissionAmountAfterModify: 2,
        ModifyReason: "ddd",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 14,
        ModifyTime: "/Date(1470215634243)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "AFTER",
        AdviserCodeAfterModify: "1",
        CommissionAmountBeforeModify: 29304.12,
        CommissionAmountAfterModify: 2,
        ModifyReason: "ddd",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 13,
        ModifyTime: "/Date(1470215625697)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "AFTER",
        AdviserCodeAfterModify: "1",
        CommissionAmountBeforeModify: 29304.12,
        CommissionAmountAfterModify: 2,
        ModifyReason: "ddd",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 10,
        ModifyTime: "/Date(1470215368410)/",
        ModifierCode: "1468",
        ModifierName: "罗松雄",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "AFTER",
        AdviserCodeAfterModify: "1",
        CommissionAmountBeforeModify: 29304.12,
        CommissionAmountAfterModify: 2,
        ModifyReason: "ddd",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    },
    {
        Pk_Id: 6,
        ModifyTime: "/Date(1470214033153)/",
        ModifierCode: "fj023rf",
        ModifierName: "ABC",
        ContractNum: "TS-JXS-201511-05005",
        PaymentBillNum: "SK201511180076",
        PaymentId: "Identity4",
        AdviserCodeBeforeModify: "BEFORE",
        AdviserCodeAfterModify: "AFTER",
        CommissionAmountBeforeModify: 9904.21,
        CommissionAmountAfterModify: 29304.12,
        ModifyReason: "Hello",
        ExtendAdviserNameBeforeModify: "",
        ExtendAdviserNameAfterModify: ""
    }
];