@weco/next-plugin-transpile-modules - npm Package Compare versions

Comparing version 0.0.2 to 2.0.1

index.js

@@ -0,41 +1,73 @@
+const path = require('path');
+
+/**
+ * Stolen from https://stackoverflow.com/questions/10776600/testing-for-equality-of-regular-expressions
+ */
+function regexEqual (x, y) {
+  return (x instanceof RegExp) && (y instanceof RegExp) &&
+    (x.source === y.source) && (x.global === y.global) &&
+    (x.ignoreCase === y.ignoreCase) && (x.multiline === y.multiline);
+}
+
+/**
+ * Actual Next.js plugin
+ */
 module.exports = (nextConfig = {}) => {
+  const { transpileModules = [] } = nextConfig;
+  const includes = transpileModules.map(module => (new RegExp(`${module}(?!.*node_modules)`)));
+  const excludes = [new RegExp(`node_modules(?!/(${transpileModules.join('|')})(?!.*node_modules))`)];
 
-  const { transpileModules = [] } = nextConfig
-  const includes = transpileModules.map(module => (new RegExp(`${module}(?!.*node_modules)`)))
-  const excludes = transpileModules.map(module => (new RegExp(`node_modules(?!\/${module}(?!.*node_modules))`)))
-
   return Object.assign({}, nextConfig, {
-    webpack(config, options) {
+    webpack (config, options) {
+      // Safecheck for Next < 5.0
       if (!options.defaultLoaders) {
         throw new Error(
           'This plugin is not compatible with Next.js versions below 5.0.0 https://err.sh/next-plugins/upgrade'
-        )
+        );
       }
 
-      config.resolve.symlinks = false
+      // Avoid Webpack to resolve transpiled modules path to their real path
+      config.resolve.symlinks = false;
+
       config.externals = config.externals.map(external => {
-        if (typeof external !== 'function') return external
-        return (ctx, req, cb) =>
-          (Boolean(includes.find(include => include.test(req))) ? cb() : external(ctx, req, cb))
-      })
-      
+        if (typeof external !== 'function') return external;
+        return (ctx, req, cb) => {
+          return includes.find(include =>
+            req.startsWith('.')
+              ? include.test(path.resolve(ctx, req))
+              : include.test(req)
+          )
+            ? cb()
+            : external(ctx, req, cb);
+        };
+      });
+
+      // Add a rule to include and parse all modules
       config.module.rules.push({
-        test: /\.+(js|jsx)$/,
+        test: /\.+(js|jsx|ts|tsx)$/,
         loader: options.defaultLoaders.babel,
         include: includes
-      })
+      });
 
       if (typeof nextConfig.webpack === 'function') {
-        return nextConfig.webpack(config, options)
+        return nextConfig.webpack(config, options);
       }
 
-      return config
+      return config;
     },
 
-    webpackDevMiddleware(config) {
-      const ignored = [config.watchOptions.ignored[0]].concat(excludes)
-      config.watchOptions.ignored = ignored
-      return config
+    // webpackDevMiddleware needs to be told to watch the changes in the
+    // transpiled modules directories
+    webpackDevMiddleware (config) {
+      // Replace /node_modules/ by the new exclude RegExp (including the modules
+      // that are going to be transpiled)
+      // https://github.com/zeit/next.js/blob/815f2e91386a0cd046c63cbec06e4666cff85971/packages/next/server/hot-reloader.js#L335
+      const ignored = config.watchOptions.ignored.filter(
+        regexp => !regexEqual(regexp, /[\\/]node_modules[\\/]/)
+      ).concat(excludes);
+
+      config.watchOptions.ignored = ignored;
+      return config;
     }
-  })
-}
+  });
+};

package.json

 {
   "name": "@weco/next-plugin-transpile-modules",
-  "version": "0.0.2",
+  "version": "2.0.1",
   "main": "index.js",
   "license": "MIT",
-  "repository": "wellcometrust/next-plugin-transpile-modules",
+  "author": "Wellcome Collection <[e-mail]>",
+  "description": "Next.js plugin to transpile code from node_modules (supports TypeScript)",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "lint": "eslint ."
+  },
+  "files": [
+    "index.js"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/wellcometrust/next-plugin-transpile-modules.git"
+  },
+  "bugs": {
+    "url": "https://github.com/wellcometrust/next-plugin-transpile-modules/issues"
+  },
+  "homepage": "https://github.com/wellcometrust/next-plugin-transpile-modules#readme",
+  "keywords": [
+    "next",
+    "next.js",
+    "plugin",
+    "transpile",
+    "modules",
+    "babel"
+  ],
   "dependencies": {},
   "devDependencies": {
-    "webpack": "^3.10.0"
+    "eslint": "5.12.1",
+    "eslint-config-semistandard": "^13.0.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.15.0",
+    "eslint-plugin-node": "8.0.1",
+    "eslint-plugin-promise": "4.0.1",
+    "eslint-plugin-standard": "4.0.0"
   }
 }

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Improved metrics

Lines of code

63

increased by85.29%

Number of low maintenance alerts

1

decreased by-66.67%

Number of low quality alerts

1

decreased by-50%

Number of lines in readme file

119

increased by325%

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0

decreased by-100%

Worsened metrics

Total package byte prevSize

8413

decreased by-46.43%

Dev dependency count

7

increased by600%

Number of package files

4

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