fix: restore insist

test/utilities/integrity.spec.ts

@@ -0,0 +1,9 @@
+import { insist } from '../../tools/integrity';
+
+describe('integrity', () => {
+  it('should insist', () => {
+    (() => insist({}, 'a')).should.throw(TypeError);
+    (() => insist({ a: 1 }, 'a', 'b')).should.throw(TypeError);
+    (() => insist({ a: 1, b: 2 }, 'a', 'b')).should.not.throw();
+  });
+});

tools/integrity.ts

@@ -0,0 +1,16 @@
+/**
+ * @description Insist that the provided data has the required properties.
+ * @param thing to encourage to have data
+ * @param args arguments to ensure
+ */
+export const insist = (thing: Record<string, unknown>, ...args: string[]) => {
+  if (!thing || !Object.keys(thing).length) {
+    throw new TypeError('The provided data does not have the required properties.');
+  }
+
+  args.forEach((arg) => {
+    if (!thing[arg]) {
+      throw new TypeError('The provided data does not have the required properties.');
+    }
+  });
+};

tools/utilities.ts

@@ -1,4 +1,5 @@
 /* istanbul ignore file */
 
+export * from './integrity';
 export * from './timeDate';
 export * from './translation';