Ertser Commit der test-Version

utilities/csv2json.js

@@ -0,0 +1,35 @@
+// convert influx csv output to JSON
+
+export function csv2Json(str, delimiter = ",") {
+    // slice from start of text to the first \n index
+    // use split to create an array from string by delimiter
+    const headers = str.slice(0, str.indexOf("\r\n")).split(delimiter).slice(3);
+    let x = headers.findIndex((x) => (x === '_time') || (x === '_stop'))
+    if (x != -1) {
+        headers[x] = 'datetime'
+    }
+    // slice from \n index + 1 to the end of the text
+    // use split to create an array of each csv value row
+    const rows = str.slice(str.indexOf("\r\n") + 2).split("\r\n").slice(0,-2)
+
+    // Map the rows
+    // split values from each row into an array
+    // use headers.reduce to create an object
+    // object properties derived from headers:values
+    // the object passed as an element of the array
+    const arr = rows.map(function (row) {
+        const values = row.split(delimiter).slice(3);
+        const el = headers.reduce(function (object, header, index) {
+            if(header !== 'datetime') {
+                object[header] = parseFloat(values[index]);
+            } else {
+                object[header] = values[index];
+            }
+            return object;
+        }, {});
+        return el;
+    });
+
+    // return the array
+    return arr;
+}