feat: add deepEqual、assert

src/utils/assert.ts

@@ -0,0 +1,5 @@
+export function assert(condition: boolean, message: string) {
+  if (!condition) {
+    throw new Error(message);
+  }
+}

src/utils/deepEqual.ts

@@ -0,0 +1,44 @@
+/**
+ * Compare any two objects
+ * @param a
+ * @param b
+ * @returns true if the objects are deep equal
+ */
+export function deepEqual(a: any, b: any): boolean {
+  if (a === b) {
+    return true;
+  }
+  if (!a || !b) {
+    return false;
+  }
+  if (Array.isArray(a)) {
+    if (!Array.isArray(b) || a.length !== b.length) {
+      return false;
+    }
+    for (let i = 0; i < a.length; i++) {
+      if (!deepEqual(a[i], b[i])) {
+        return false;
+      }
+    }
+    return true;
+  } else if (Array.isArray(b)) {
+    return false;
+  }
+  if (typeof a === 'object' && typeof b === 'object') {
+    const aKeys = Object.keys(a);
+    const bKeys = Object.keys(b);
+    if (aKeys.length !== bKeys.length) {
+      return false;
+    }
+    for (const key of aKeys) {
+      if (!b.hasOwnProperty(key)) {
+        return false;
+      }
+      if (!deepEqual(a[key], b[key])) {
+        return false;
+      }
+    }
+    return true;
+  }
+  return false;
+}