@swc/jest - npm Package Compare versions

Comparing version 0.2.20 to 0.2.21

index.js

@@ -32,2 +32,13 @@ "use strict";
 };
+var __rest = (this && this.__rest) || function (s, e) {
+    var t = {};
+    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
+        t[p] = s[p];
+    if (s != null && typeof Object.getOwnPropertySymbols === "function")
+        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
+            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
+                t[p[i]] = s[p[i]];
+        }
+    return t;
+};
 var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
@@ -52,9 +63,15 @@ if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
 function createTransformer(swcTransformOpts) {
+    var _a, _b;
     var computedSwcOptions = buildSwcTransformOpts(swcTransformOpts);
     var cacheKeyFunction = (0, create_cache_key_function_1.default)([], [JSON.stringify(computedSwcOptions)]);
+    var _c = (_b = (_a = swcTransformOpts === null || swcTransformOpts === void 0 ? void 0 : swcTransformOpts.experimental) === null || _a === void 0 ? void 0 : _a.customCoverageInstrumentation) !== null && _b !== void 0 ? _b : {}, canInstrument = _c.enabled, instrumentOptions = __rest(_c, ["enabled"]);
     return {
+        canInstrument: !!canInstrument,
         process: function (src, filename, jestOptions) {
+            // Determine if we actually instrument codes if jest runs with --coverage
+            insertInstrumentationOptions(jestOptions, !!canInstrument, computedSwcOptions, instrumentOptions);
             return (0, core_1.transformSync)(src, __assign(__assign({}, computedSwcOptions), { module: __assign(__assign({}, computedSwcOptions.module), { type: (jestOptions.supportsStaticESM ? 'es6' : 'commonjs') }), filename: filename }));
         },
-        processAsync: function (src, filename) {
+        processAsync: function (src, filename, jestOptions) {
+            insertInstrumentationOptions(jestOptions, !!canInstrument, computedSwcOptions, instrumentOptions);
             return (0, core_1.transform)(src, __assign(__assign({}, computedSwcOptions), { module: __assign(__assign({}, computedSwcOptions.module), { 
@@ -99,3 +116,4 @@ // async transform is always ESM
     var _a;
-    var computedSwcOptions = swcOptions || getOptionsFromSwrc();
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    var _b = swcOptions || getOptionsFromSwrc(), experimental = _b.experimental, computedSwcOptions = __rest(_b, ["experimental"]);
     if (!((_a = computedSwcOptions.jsc) === null || _a === void 0 ? void 0 : _a.target)) {
@@ -112,2 +130,22 @@ set(computedSwcOptions, 'jsc.target',
 }
+function insertInstrumentationOptions(jestOptions, canInstrument, swcTransformOpts, instrumentOptions) {
+    var _a, _b, _c, _d;
+    var shouldInstrument = jestOptions.instrument && canInstrument;
+    if (!shouldInstrument) {
+        return swcTransformOpts;
+    }
+    if ((_c = (_b = (_a = swcTransformOpts === null || swcTransformOpts === void 0 ? void 0 : swcTransformOpts.jsc) === null || _a === void 0 ? void 0 : _a.experimental) === null || _b === void 0 ? void 0 : _b.plugins) === null || _c === void 0 ? void 0 : _c.some(function (x) { return x[0] === 'swc-plugin-coverage-instrument'; })) {
+        return;
+    }
+    if (!swcTransformOpts.jsc) {
+        swcTransformOpts.jsc = {};
+    }
+    if (!swcTransformOpts.jsc.experimental) {
+        swcTransformOpts.jsc.experimental = {};
+    }
+    if (!Array.isArray(!swcTransformOpts.jsc.experimental.plugins)) {
+        swcTransformOpts.jsc.experimental.plugins = [];
+    }
+    (_d = swcTransformOpts.jsc.experimental.plugins) === null || _d === void 0 ? void 0 : _d.push(['swc-plugin-coverage-instrument', instrumentOptions !== null && instrumentOptions !== void 0 ? instrumentOptions : {}]);
+}
 function set(obj, path, value) {
@@ -114,0 +152,0 @@ var o = obj;

package.json

 {
   "name": "@swc/jest",
-  "version": "0.2.20",
+  "version": "0.2.21",
   "description": "swc integration for jest",
@@ -32,3 +32,3 @@ "main": "index.js",
     "@jest/transform": "^27.5.1",
-    "@swc/core": "^1.2.85",
+    "@swc/core": "^1.2.177",
     "@types/node": "^16.11.12",
@@ -46,3 +46,6 @@ "@typescript-eslint/eslint-plugin": "^5.6.0",
     "index.js"
+  ],
+  "workspaces": [
+    "examples/react"
   ]
 }

README.md

 # @swc/jest
 
-[swc][] binding for the jest
+[SWC][] binding for Jest.
 
@@ -26,3 +26,3 @@ ## Installation
 
-It will load swc configuration from `.swcrc` in default. You also can custom it:
+It will load the SWC configuration from `.swcrc` by default. You also can customize it:
 
@@ -36,3 +36,3 @@ ```js
   transform: {
-    '^.+\\.(t|j)sx?$': ['@swc/jest', { ...config, /* custom configuration in jest */ }],
+    '^.+\\.(t|j)sx?$': ['@swc/jest', { ...config, /* custom configuration in Jest */ }],
   },
@@ -44,7 +44,7 @@ }
 
-### Q: Jest use CommonJS in default. But I want to use ESM.
+### Q: Jest uses CommonJS by default. But I want to use ESM.
 
 A: Setup Jest following this [Guide](https://jestjs.io/docs/ecmascript-modules).
 
-  For JavaScript, it need to configure `package.json`:
+  For JavaScript, edit `package.json` as follows:
   
@@ -58,3 +58,3 @@ ```json
 
-  For TypeScript, it need some configuration in `jest.config.js`:
+  For TypeScript, edit `jest.config.js` as follows:
 
@@ -90,3 +90,3 @@ ```js
 
-You can customize this by setting an explicit version in your config:
+You can customize this by setting an explicit version in `jest.config.js`:
 
@@ -112,2 +112,2 @@ ```js
 
-[swc]: https://swc.rs
+[SWC]: https://swc.rs

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Improved metrics

Total package byte prevSize

11839

increased by26.66%

Lines of code

160

increased by32.23%

No dependency changes