chore: enable strictBindCallApply (#2254)

1 files changed, 24 insertions, 0 deletions

diff --git a/src/internal/bind-this-to-member-functions.ts b/src/internal/bind-this-to-member-functions.ts
new file mode 100644
index 00000000..db0d3885
--- /dev/null
+++ b/src/internal/bind-this-to-member-functions.ts
@@ -0,0 +1,24 @@
+/**
+ * Bind all functions of the given instance to itself so you can use them independently.
+ *
+ * @internal
+ *
+ * @param instance The class instance of which the methods are to be bound to itself.
+ *
+ * @example
+ * const someModule = new SomeModule(faker);
+ * bindThisToMemberFunctions(someModule); // Usually called inside the constructor passing `this`
+ * const someMethod = someModule.someMethod;
+ * someMethod(); // Works
+ */
+export function bindThisToMemberFunctions<TClass extends { new (): any }>(
+  instance: InstanceType<TClass>
+): void {
+  for (const name of Object.getOwnPropertyNames(
+    Object.getPrototypeOf(instance)
+  )) {
+    if (typeof instance[name] === 'function' && name !== 'constructor') {
+      instance[name] = instance[name].bind(instance);
+    }
+  }
+}