Merge pull request #14113 from cinaglia/fix-csv-decimal-places

Retain decimal precision when exporting CSV

public/app/core/specs/file_export.test.ts

@@ -73,6 +73,7 @@ describe('file_export', () => {
         ],
         rows: [
           [123, 'some_string', 1.234, true],
+          [1000, 'some_string', 1.234567891, true],
           [0o765, 'some string with " in the middle', 1e-2, false],
           [0o765, 'some string with "" in the middle', 1e-2, false],
           [0o765, 'some string with """ in the middle', 1e-2, false],
@@ -89,6 +90,7 @@ describe('file_export', () => {
       const expectedText =
         '"integer_value";"string_value";"float_value";"boolean_value"\r\n' +
         '123;"some_string";1.234;true\r\n' +
+        '1000;"some_string";1.234567891;true\r\n' +
         '501;"some string with "" in the middle";0.01;false\r\n' +
         '501;"some string with """" in the middle";0.01;false\r\n' +
         '501;"some string with """""" in the middle";0.01;false\r\n' +

public/app/core/utils/file_export.ts

@@ -41,10 +41,8 @@ function formatSpecialHeader(useExcelHeader) {
 function formatRow(row, addEndRowDelimiter = true) {
   let text = '';
   for (let i = 0; i < row.length; i += 1) {
-    if (isBoolean(row[i]) || isNullOrUndefined(row[i])) {
+    if (isBoolean(row[i]) || isNumber(row[i]) || isNullOrUndefined(row[i])) {
       text += row[i];
-    } else if (isNumber(row[i])) {
-      text += row[i].toLocaleString();
     } else {
       text += `${QUOTE}${csvEscaped(htmlUnescaped(htmlDecoded(row[i])))}${QUOTE}`;
     }