1 files changed, 94 insertions, 0 deletions
diff --git a/src/lib/data.ts b/src/lib/data.ts
new file mode 100644
index 0000000..fe69edf
--- /dev/null
+++ b/src/lib/data.ts
@@ -0,0 +1,94 @@
+import { DATA_TYPE, DATETIME_REGEX } from './constants';
+import type { DynamicDataType } from './types';
+
+export function flattenJSON(
+  eventData: Record<string, any>,
+  keyValues: { key: string; value: any; dataType: DynamicDataType }[] = [],
+  parentKey = '',
+): { key: string; value: any; dataType: DynamicDataType }[] {
+  return Object.keys(eventData).reduce(
+    (acc, key) => {
+      const value = eventData[key];
+      const type = typeof eventData[key];
+
+      // nested object
+      if (value && type === 'object' && !Array.isArray(value) && !isValidDateValue(value)) {
+        flattenJSON(value, acc.keyValues, getKeyName(key, parentKey));
+      } else {
+        createKey(getKeyName(key, parentKey), value, acc);
+      }
+
+      return acc;
+    },
+    { keyValues, parentKey },
+  ).keyValues;
+}
+
+export function isValidDateValue(value: string) {
+  return typeof value === 'string' && DATETIME_REGEX.test(value);
+}
+
+export function getDataType(value: any): string {
+  let type: string = typeof value;
+
+  if (isValidDateValue(value)) {
+    type = 'date';
+  }
+
+  return type;
+}
+
+export function getStringValue(value: string, dataType: number) {
+  if (dataType === DATA_TYPE.number) {
+    return parseFloat(value).toFixed(4);
+  }
+
+  if (dataType === DATA_TYPE.date) {
+    return new Date(value).toISOString();
+  }
+
+  return value;
+}
+
+function createKey(key: string, value: string, acc: { keyValues: any[]; parentKey: string }) {
+  const type = getDataType(value);
+
+  let dataType = null;
+
+  switch (type) {
+    case 'number':
+      dataType = DATA_TYPE.number;
+      break;
+    case 'string':
+      dataType = DATA_TYPE.string;
+      break;
+    case 'boolean':
+      dataType = DATA_TYPE.boolean;
+      value = value ? 'true' : 'false';
+      break;
+    case 'date':
+      dataType = DATA_TYPE.date;
+      break;
+    case 'object':
+      dataType = DATA_TYPE.array;
+      value = JSON.stringify(value);
+      break;
+    default:
+      dataType = DATA_TYPE.string;
+      break;
+  }
+
+  acc.keyValues.push({ key, value, dataType });
+}
+
+function getKeyName(key: string, parentKey: string) {
+  if (!parentKey) {
+    return key;
+  }
+
+  return `${parentKey}.${key}`;
+}
+
+export function objectToArray(obj: object) {
+  return Object.keys(obj).map(key => obj[key]);
+}