Експортувати JSON в CSV у кутовий - json, angularjs, csv

    angular.module("exampleModule", [])
.controller("exampleController", function ($scope) {
$scope.dataList = [
{
id: 1,
name: "github",
price: "200$",
publisher: {
name: "hieutran",
company: "Dtag-VN"
},
nested:[
{
name: "name1",
company: "company1"
},
{
name: "name2",
company: "company2"
}]
},
{
id: 2,
name: "twitter",
price: "500$",
publisher: {
name: "twitter tran",
company: "Canada"
},
nested:[]
},

{
id: 3,
name: "google",
price: "300$",
publisher: {
name: "tran",
company: "Vietname"
},
nested:[
{
name: "name3",
company: "company3"
},
{
name: "name4",
company: "company4"
}]
}
]
})
.directive("ngGridJsonExportExcel", function($timeout) {
return {
restrict: "AE",
scope: {
data: "=",
filename: "=?",
reportFields: "=",
nestedReportFields: "=",
nestedDataProperty: "@"
},
link: function(scope, element) {
scope.filename = !!scope.filename ? scope.filename : "export-excel";

function generateFieldsAndHeaders(fieldsObject, fields, header) {
_.forEach(fieldsObject, function(field, key) {
if (!field || !key) {
throw new Error("error json report fields");
}
fields.push(key);
header.push(field);
});
return {fields: fields, header: header};
}
var fieldsAndHeader = generateFieldsAndHeaders(scope.reportFields, [], []);
var fields = fieldsAndHeader.fields, header = fieldsAndHeader.header;
var nestedFieldsAndHeader = generateFieldsAndHeaders(scope.nestedReportFields, [], [""]);
var nestedFields = nestedFieldsAndHeader.fields, nestedHeader = nestedFieldsAndHeader.header;
function _convertToExcel(body, header) {
return header + "n" + body;
}
function _objectToString(object) {
var output = "";
_.forEach(object, function(value, key) {
output += key + ":" + value + " ";
});

return """ + output + """;
}
function generateFieldValues(list, rowItems, dataItem) {
_.forEach(list, function(field) {
var data = "", fieldValue = "", curItem = null;
if (field.indexOf(".")) {
field = field.split(".");
curItem = dataItem;
// deep access to obect property
_.forEach(field, function(prop) {
if (curItem !== null && curItem !== undefined) {
curItem = curItem[prop];
}
});
data = curItem;
} else {
data = dataItem[field];
}
fieldValue = data !== null ? data : " ";
if (fieldValue !== undefined && angular.isObject(fieldValue)) {
fieldValue = _objectToString(fieldValue);
}
rowItems.push(fieldValue);
});
return rowItems;
}
function _bodyData() {
var body = "";

_.forEach(scope.data, function(dataItem) {
var rowItems = [];var nestedBody = "";
rowItems = generateFieldValues(fields, rowItems, dataItem);
//Nested Json body generation start
if (scope.nestedDataProperty && dataItem[scope.nestedDataProperty].length) {
_.forEach(dataItem[scope.nestedDataProperty], function(nestedDataItem) {
var nestedRowItems = [""];
nestedRowItems = generateFieldValues(nestedFields, nestedRowItems, nestedDataItem);
nestedBody += nestedRowItems.toString() + "n";
});
var strData = _convertToExcel(nestedBody, nestedHeader);
body += rowItems.toString() + "n" + strData;
////Nested Json body generation end
} else {
body += rowItems.toString() + "n";
}
});
return body;
}

$timeout(function() {
element.bind("click", function() {
var bodyData = _bodyData();
var strData = _convertToExcel(bodyData, header);
var blob = new Blob([strData], {
type: "text/plain;charset=utf-8"
});

return saveAs(blob, [scope.filename + ".csv"]);
});
}, 1000);
}
};
});
</ pre>




HTML code:

<button ng-json-export-excel data="dataList"  nested-data-property="nested" report-fields="{id: "ID Heder", name: "Name Header", price: "Price Head",  "publisher.name": "Publisher Head", "publisher.company": "Company Head"}" nested-report-fields="{name: "Nested Name", company: "Nested Company"}">Json Export</button>
</ pre>

</ code>
 Ось мій plunker
</ code></ p>