fix(tests): migrate chai v5, lint (#106)

packages/tests/src/setup.ts

@@ -1,4 +1,4 @@
-import chai, { use } from 'chai'
+import { config, use, util } from 'chai'
 import promised from 'chai-as-promised'
 import shape from './shape'
 import { isNullable } from 'cosmokit'
@@ -8,44 +8,44 @@ use(promised)
 
 function type(obj) {
   if (typeof obj === 'undefined') {
-    return 'undefined';
+    return 'undefined'
   }
 
   if (obj === null) {
-    return 'null';
+    return 'null'
   }
 
-  const stringTag = obj[Symbol.toStringTag];
+  const stringTag = obj[Symbol.toStringTag]
   if (typeof stringTag === 'string') {
-    return stringTag;
+    return stringTag
   }
-  const sliceStart = 8;
-  const sliceEnd = -1;
-  return Object.prototype.toString.call(obj).slice(sliceStart, sliceEnd);
+  const sliceStart = 8
+  const sliceEnd = -1
+  return Object.prototype.toString.call(obj).slice(sliceStart, sliceEnd)
 }
 
 function getEnumerableKeys(target) {
-  var keys: string[] = [];
-  for (var key in target) {
-    keys.push(key);
+  const keys: string[] = []
+  for (const key in target) {
+    keys.push(key)
   }
-  return keys;
+  return keys
 }
 
 function getEnumerableSymbols(target) {
-  var keys: symbol[] = [];
-  var allKeys = Object.getOwnPropertySymbols(target);
-  for (var i = 0; i < allKeys.length; i += 1) {
-    var key = allKeys[i];
+  const keys: symbol[] = []
+  const allKeys = Object.getOwnPropertySymbols(target)
+  for (let i = 0; i < allKeys.length; i += 1) {
+    const key = allKeys[i]
     if (Object.getOwnPropertyDescriptor(target, key)?.enumerable) {
-      keys.push(key);
+      keys.push(key)
     }
   }
-  return keys;
+  return keys
 }
 
-chai.config.deepEqual = (expected, actual, options) => {
-  return chai.util.eql(expected, actual, {
+config.deepEqual = (expected, actual, options) => {
+  return util.eql(expected, actual, {
     comparator: (expected, actual) => {
       if (isNullable(expected) && isNullable(actual)) return true
       if (type(expected) === 'Object' && type(actual) === 'Object') {
@@ -55,9 +55,9 @@ chai.config.deepEqual = (expected, actual, options) => {
           ...getEnumerableSymbols(expected),
           ...getEnumerableSymbols(actual),
         ])
-        return [...keys].every(key => chai.config.deepEqual!(expected[key], actual[key], options))
+        return [...keys].every(key => config.deepEqual!(expected[key], actual[key], options))
       }
       return null
-    }
+    },
   })
 }