refactor: normalise data (#756)

* chore: remove legal from bundle * refactor: create normalised dataset * refactor: cuesheet uses flat rundown * refactor: multi-selection * refactor: prevent stale data on server restart * refactor: increase ID size * chore: instrument operation * chore: update csv tests * fix: resolve directory to test-db (#758)
2026-08-10 09:53:48 +00:00 · 2024-02-03 21:43:17 +01:00
parent 47a519bac1
commit 1890fc49d7
62 changed files with 1838 additions and 3341 deletions
@@ -0,0 +1,88 @@
+import { insertAtIndex, reorderArray, sortArrayByProperty } from './arrayUtils.js';
+
+describe('insertAtIndex', () => {
+  it('should insert an item at the beginning of the array', () => {
+    const array = [2, 3, 4];
+    const result = insertAtIndex(0, 1, array);
+    expect(result).toEqual([1, 2, 3, 4]);
+  });
+
+  it('should insert an item at the end of the array', () => {
+    const array = [1, 2, 3];
+    const result = insertAtIndex(3, 4, array);
+    expect(result).toEqual([1, 2, 3, 4]);
+  });
+
+  it('should insert an item in the middle of the array', () => {
+    const array = [1, 2, 4];
+    const result = insertAtIndex(2, 3, array);
+    expect(result).toEqual([1, 2, 3, 4]);
+  });
+
+  it('should return a new array and not modify the original array', () => {
+    const array = [1, 2, 3];
+    const result = insertAtIndex(1, 5, array);
+    expect(result).toEqual([1, 5, 2, 3]);
+    expect(array).toEqual([1, 2, 3]); // Original array should remain unchanged
+  });
+});
+
+describe('reorderArray', () => {
+  it('should reorder an item in the array', () => {
+    const array = ['a', 'b', 'c', 'd'];
+    const result = reorderArray(array, 1, 3);
+    expect(result).toEqual(['a', 'c', 'd', 'b']);
+  });
+
+  it('should return the original array if fromIndex and toIndex are the same', () => {
+    const array = ['a', 'b', 'c'];
+    const result = reorderArray(array, 1, 1);
+    expect(result).toEqual(array);
+  });
+
+  it('should handle reordering to the beginning of the array', () => {
+    const array = ['a', 'b', 'c'];
+    const result = reorderArray(array, 2, 0);
+    expect(result).toEqual(['c', 'a', 'b']);
+  });
+
+  it('should handle reordering to the end of the array', () => {
+    const array = ['a', 'b', 'c'];
+    const result = reorderArray(array, 0, 2);
+    expect(result).toEqual(['b', 'c', 'a']);
+  });
+});
+
+describe('sortArrayByProperty()', () => {
+  it('sort array 1-5', () => {
+    const arr1 = [{ timeStart: 1 }, { timeStart: 5 }, { timeStart: 3 }, { timeStart: 2 }, { timeStart: 4 }];
+
+    const arr1Expected = [{ timeStart: 1 }, { timeStart: 2 }, { timeStart: 3 }, { timeStart: 4 }, { timeStart: 5 }];
+
+    const sorted = sortArrayByProperty(arr1, 'timeStart');
+    expect(sorted).toStrictEqual(arr1Expected);
+  });
+
+  it('sort array 1-5 with null', () => {
+    const arr1 = [
+      { timeStart: 1 },
+      { timeStart: 5 },
+      { timeStart: 3 },
+      { timeStart: 2 },
+      { timeStart: 4 },
+      { timeStart: null },
+    ];
+
+    const arr1Expected = [
+      { timeStart: null },
+      { timeStart: 1 },
+      { timeStart: 2 },
+      { timeStart: 3 },
+      { timeStart: 4 },
+      { timeStart: 5 },
+    ];
+
+    const sorted = sortArrayByProperty(arr1, 'timeStart');
+    expect(sorted).toStrictEqual(arr1Expected);
+  });
+});
@@ -0,0 +1,65 @@
+/**
+ * Inserts an item in an array at a given index
+ * @param index
+ * @param item
+ * @param array
+ */
+export function insertAtIndex<T>(index: number, item: T, array: T[]): T[] {
+  const modifiedArray = [...array];
+
+  // Insert at beginning
+  if (index === 0) {
+    modifiedArray.unshift(item);
+  }
+
+  // insert at end
+  else if (index >= modifiedArray.length) {
+    modifiedArray.push(item);
+  }
+
+  // insert in the middle
+  else {
+    modifiedArray.splice(index, 0, item);
+  }
+
+  return modifiedArray;
+}
+
+/**
+ * Deletes array element at a given index
+ * @param index
+ * @param array
+ */
+export function deleteAtIndex<T>(index: number, array: T[]) {
+  return array.filter((_, i) => i !== index);
+}
+
+export function reorderArray<T>(array: T[], fromIndex: number, toIndex: number) {
+  if (fromIndex === toIndex) {
+    return array; // No change needed, return the original array
+  }
+
+  const modifiedArray = [...array];
+
+  // delete in from
+  const [reorderedItem] = modifiedArray.splice(fromIndex, 1);
+
+  // reinsert item at to
+  modifiedArray.splice(toIndex, 0, reorderedItem);
+  return modifiedArray;
+}
+
+/**
+ * @description Sorts an array of objects by given property
+ * @param {array} arr - array to be sorted
+ * @param {string} property - property to compare
+ * @returns {array} copy of array sorted in ascending order
+ */
+
+export const sortArrayByProperty = <T>(arr: T[], property: string): T[] => {
+  return [...arr].sort((a, b) => {
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-ignore -- its ok
+    return a[property] - b[property];
+  });
+};