jest-mock - npm Package Compare versions

Comparing version 20.1.0-delta.5 to 20.1.0-echo.1

build-es5/index.js

@@ -1472,2 +1472,61 @@ (function (global, factory) {
 
+  function matchArity(fn, length) {
+    var mockConstructor = void 0;
+
+    switch (length) {
+      case 1:
+        mockConstructor = function mockConstructor(a) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 2:
+        mockConstructor = function mockConstructor(a, b) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 3:
+        mockConstructor = function mockConstructor(a, b, c) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 4:
+        mockConstructor = function mockConstructor(a, b, c, d) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 5:
+        mockConstructor = function mockConstructor(a, b, c, d, e) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 6:
+        mockConstructor = function mockConstructor(a, b, c, d, e, f) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 7:
+        mockConstructor = function mockConstructor(a, b, c, d, e, f, g) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 8:
+        mockConstructor = function mockConstructor(a, b, c, d, e, f, g, h) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      case 9:
+        mockConstructor = function mockConstructor(a, b, c, d, e, f, g, h, i) {
+          return fn.apply(this, arguments);
+        };
+        break;
+      default:
+        mockConstructor = function mockConstructor() {
+          return fn.apply(this, arguments);
+        };
+        break;
+    }
+
+    return mockConstructor;
+  }
+
   function isA(typeName, value) {
@@ -1606,3 +1665,3 @@ return Object.prototype.toString.apply(value) === '[object ' + typeName + ']';
           var mocker = this;
-          var mockConstructor = function mockConstructor() {
+          var mockConstructor = matchArity(function () {
             var _this = this;
@@ -1663,3 +1722,3 @@
             return returnValue;
-          };
+          }, metadata.length || 0);
 
@@ -1791,2 +1850,3 @@ f = this._createMockFunction(metadata, mockConstructor);
         var createConstructor = new this._environmentGlobal.Function(MOCK_CONSTRUCTOR_NAME, body);
+
         return createConstructor(mockConstructor);
@@ -1922,3 +1982,4 @@ }
       value: function fn(implementation) {
-        var fn = this._makeComponent({ type: 'function' });
+        var length = implementation ? implementation.length : 0;
+        var fn = this._makeComponent({ length: length, type: 'function' });
         if (implementation) {
@@ -1925,0 +1986,0 @@ fn.mockImplementation(implementation);

build/index.js

@@ -37,2 +37,3 @@ 'use strict';
 
+
 const MOCK_CONSTRUCTOR_NAME = 'mockConstructor';
@@ -92,2 +93,61 @@
 
+function matchArity(fn, length) {
+  let mockConstructor;
+
+  switch (length) {
+    case 1:
+      mockConstructor = function (a) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 2:
+      mockConstructor = function (a, b) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 3:
+      mockConstructor = function (a, b, c) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 4:
+      mockConstructor = function (a, b, c, d) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 5:
+      mockConstructor = function (a, b, c, d, e) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 6:
+      mockConstructor = function (a, b, c, d, e, f) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 7:
+      mockConstructor = function (a, b, c, d, e, f, g) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 8:
+      mockConstructor = function (a, b, c, d, e, f, g, h) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    case 9:
+      mockConstructor = function (a, b, c, d, e, f, g, h, i) {
+        return fn.apply(this, arguments);
+      };
+      break;
+    default:
+      mockConstructor = function () {
+        return fn.apply(this, arguments);
+      };
+      break;}
+
+
+  return mockConstructor;
+}
+
 function isA(typeName, value) {
@@ -247,3 +307,3 @@ return Object.prototype.toString.apply(value) === '[object ' + typeName + ']';
       const mocker = this;
-      const mockConstructor = function () {
+      const mockConstructor = matchArity(function () {
         const mockState = mocker._ensureMockState(f);
@@ -304,3 +364,3 @@ const mockConfig = mocker._ensureMockConfig(f);
         return returnValue;
-      };
+      }, metadata.length || 0);
 
@@ -438,2 +498,3 @@ f = this._createMockFunction(metadata, mockConstructor);
 
+
     return createConstructor(mockConstructor);
@@ -573,3 +634,4 @@ }
   fn(implementation) {
-    const fn = this._makeComponent({ type: 'function' });
+    const length = implementation ? implementation.length : 0;
+    const fn = this._makeComponent({ length, type: 'function' });
     if (implementation) {
@@ -576,0 +638,0 @@ fn.mockImplementation(implementation);

package.json

 {
   "name": "jest-mock",
-  "version": "20.1.0-delta.5",
+  "version": "20.1.0-echo.1",
   "repository": {
@@ -5,0 +5,0 @@ "type": "git",

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Improved metrics

Total package byte prevSize

84120

increased by3.98%

Lines of code

2313

increased by5.14%

No dependency changes