chore: stub out project and make 1 test work

.gitignore

@@ -0,0 +1,3 @@
+dist/
+node_modules/
+

index.d.ts

@@ -0,0 +1 @@
+export * from './dist/critical';

index.js

@@ -0,0 +1,5 @@
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+__export(require('./dist/critical'));

package.json

@@ -0,0 +1,33 @@
+{
+  "name": "webpack-plugin-critical",
+  "version": "1.0.0",
+  "description": "Webpack plugin for the critical CSS inliner library.",
+  "main": "index.js",
+  "scripts": {
+    "test": "tsc && jasmine"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/nrwl/webpack-plugin-critical.git"
+  },
+  "keywords": [
+    "webpack",
+    "critical"
+  ],
+  "author": "jeffbcross",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/nrwl/webpack-plugin-critical/issues"
+  },
+  "homepage": "https://github.com/nrwl/webpack-plugin-critical#readme",
+  "devDependencies": {
+    "jasmine": "^2.5.2",
+    "typescript": "^2.1.4"
+  },
+  "dependencies": {
+    "@types/jasmine": "^2.5.38",
+    "@types/node": "^6.0.53",
+    "critical": "^0.8.1",
+    "webpack-util-cleantmp": "^1.0.0"
+  }
+}

spec/support/jasmine.json

@@ -0,0 +1,11 @@
+{
+  "spec_dir": "dist",
+  "spec_files": [
+    "**/*[sS]pec.js"
+  ],
+  "helpers": [
+    "helpers/**/*.js"
+  ],
+  "stopSpecOnExpectationFailure": false,
+  "random": false
+}

src/critical.spec.ts

@@ -0,0 +1,30 @@
+import { CriticalPlugin } from './critical';
+
+const mockCompilation = {
+  assets: {
+    'foo.json': {
+      source: () => '{"foo": "bar"}',
+      size: () => 14
+    }
+  }
+};
+
+const mockCompiler = {
+  plugin: (lifecycle) => {
+
+  }
+}
+
+describe('CriticalPlugin', () => {
+  describe('apply', () => {
+    it('should register for emit lifecycle', () => {
+      let plugin = new CriticalPlugin();
+      let compiler = jasmine.createSpyObj('compiler', ['plugin']);
+      plugin.apply(compiler);
+
+      let args = (<jasmine.Spy>compiler.plugin).calls.first().args;
+      expect(args[0]).toBe('emit');
+      expect(typeof args[1]).toBe('function');
+    });
+  });
+});

src/critical.ts

@@ -0,0 +1,52 @@
+import { resolve } from 'path';
+const critical = require('critical');
+import { cleantmp } from 'webpack-util-cleantmp';
+
+export interface CriticalPluginOptions {
+  base?: string;
+  inline?: boolean;
+  minify?: boolean;
+  extract?: boolean;
+  timeout?: number
+}
+
+export class CriticalPlugin {
+  constructor(public options: CriticalPluginOptions = {}) {
+    const opts = {...this.options};
+    this.options = {...{
+      base: '',
+      inline: true,
+      minify: true,
+      extract: true,
+      timeout: 30000
+    }, ...options};
+  }
+
+
+  emit(compilation, callback) {
+    const options = this.options;
+    const subscription = cleantmp({
+      prefix: 'criticalcss',
+      globToDisk: '**/*.+(css|html)',
+      globFromDisk: '**/*.+(css|html)',
+      assets: compilation.assets
+    })
+    .subscribe((tmp) => {
+      const opts = {...options, ...{
+        base: resolve(tmp, options.base)
+      }};
+
+      critical.generate(opts, (err, output) => {
+        // TODO: Make recursive and start at root of tmp
+        subscription.unsubscribe();
+        callback(err);
+      });
+    })
+  }
+
+  apply(compiler) {
+    compiler.plugin("emit", (compilation, callback) => {
+      this.emit(compilation, callback);
+    });
+  }
+}

tsconfig.json

@@ -0,0 +1,24 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es5",
+        "rootDir": "src",
+        "outDir": "dist",
+        "declaration": true,
+        "noImplicitAny": false,
+        "moduleResolution": "node",
+        "sourceMap": true,
+        "sourceRoot": "src",
+        "lib": [
+            "es2015",
+            "dom"
+        ],
+        "typeRoots": [
+            "node_modules/@types"
+        ]
+    },
+    "files": [
+        "src/critical.ts",
+        "src/critical.spec.ts"
+    ]
+}