Merge pull request #151 from webpack/feature/browser-support

add browser support

Author: sokra

lib/AsyncParallelBailHook.js

@@ -11,7 +11,7 @@ class AsyncParallelBailHookCodeFactory extends HookCodeFactory {
 	content({ onError, onResult, onDone }) {
 		let code = "";
 		code += `var _results = new Array(${this.options.taps.length});\n`;
-		code += "var _checkDone = () => {\n";
+		code += "var _checkDone = function() {\n";
 		code += "for(var i = 0; i < _results.length; i++) {\n";
 		code += "var item = _results[i];\n";
 		code += "if(item === undefined) return false;\n";

lib/HookCodeFactory.js

@@ -55,22 +55,23 @@ class HookCodeFactory {
 				});
 				let code = "";
 				code += '"use strict";\n';
-				code += "return new Promise((_resolve, _reject) => {\n";
+				code += this.header();
+				code += "return new Promise((function(_resolve, _reject) {\n";
 				if (errorHelperUsed) {
 					code += "var _sync = true;\n";
 					code += "function _error(_err) {\n";
 					code += "if(_sync)\n";
-					code += "_resolve(Promise.resolve().then(() => { throw _err; }));\n";
+					code +=
+						"_resolve(Promise.resolve().then((function() { throw _err; })));\n";
 					code += "else\n";
 					code += "_reject(_err);\n";
 					code += "};\n";
 				}
-				code += this.header();
 				code += content;
 				if (errorHelperUsed) {
 					code += "_sync = false;\n";
 				}
-				code += "});\n";
+				code += "}));\n";
 				fn = new Function(this.args(), code);
 				break;
 		}
@@ -100,7 +101,16 @@ class HookCodeFactory {
 			const onError = options.onError;
 			const onResult = options.onResult;
 			const onDone = options.onDone;
-			return this.content(
+			let code = "";
+			for (let i = 0; i < this.options.interceptors.length; i++) {
+				const interceptor = this.options.interceptors[i];
+				if (interceptor.call) {
+					code += `${this.getInterceptor(i)}.call(${this.args({
+						before: interceptor.context ? "_context" : undefined
+					})});\n`;
+				}
+			}
+			code += this.content(
 				Object.assign(options, {
 					onError:
 						onError &&
@@ -143,6 +153,7 @@ class HookCodeFactory {
 						})
 				})
 			);
+			return code;
 		} else {
 			return this.content(options);
 		}
@@ -160,14 +171,6 @@ class HookCodeFactory {
 			code += "var _taps = this.taps;\n";
 			code += "var _interceptors = this.interceptors;\n";
 		}
-		for (let i = 0; i < this.options.interceptors.length; i++) {
-			const interceptor = this.options.interceptors[i];
-			if (interceptor.call) {
-				code += `${this.getInterceptor(i)}.call(${this.args({
-					before: interceptor.context ? "_context" : undefined
-				})});\n`;
-			}
-		}
 		return code;
 	}
 
@@ -227,8 +230,9 @@ class HookCodeFactory {
 				break;
 			case "async":
 				let cbCode = "";
-				if (onResult) cbCode += `(_err${tapIndex}, _result${tapIndex}) => {\n`;
-				else cbCode += `_err${tapIndex} => {\n`;
+				if (onResult)
+					cbCode += `(function(_err${tapIndex}, _result${tapIndex}) {\n`;
+				else cbCode += `(function(_err${tapIndex}) {\n`;
 				cbCode += `if(_err${tapIndex}) {\n`;
 				cbCode += onError(`_err${tapIndex}`);
 				cbCode += "} else {\n";
@@ -239,7 +243,7 @@ class HookCodeFactory {
 					cbCode += onDone();
 				}
 				cbCode += "}\n";
-				cbCode += "}";
+				cbCode += "})";
 				code += `_fn${tapIndex}(${this.args({
 					before: tap.context ? "_context" : undefined,
 					after: cbCode
@@ -252,15 +256,15 @@ class HookCodeFactory {
 				})});\n`;
 				code += `if (!_promise${tapIndex} || !_promise${tapIndex}.then)\n`;
 				code += `  throw new Error('Tap function (tapPromise) did not return promise (returned ' + _promise${tapIndex} + ')');\n`;
-				code += `_promise${tapIndex}.then(_result${tapIndex} => {\n`;
+				code += `_promise${tapIndex}.then((function(_result${tapIndex}) {\n`;
 				code += `_hasResult${tapIndex} = true;\n`;
 				if (onResult) {
 					code += onResult(`_result${tapIndex}`);
 				}
 				if (onDone) {
 					code += onDone();
 				}
-				code += `}, _err${tapIndex} => {\n`;
+				code += `}), function(_err${tapIndex}) {\n`;
 				code += `if(_hasResult${tapIndex}) throw _err${tapIndex};\n`;
 				code += onError(`_err${tapIndex}`);
 				code += "});\n";
@@ -322,7 +326,7 @@ class HookCodeFactory {
 		const syncOnly = this.options.taps.every(t => t.type === "sync");
 		let code = "";
 		if (!syncOnly) {
-			code += "var _looper = () => {\n";
+			code += "var _looper = (function() {\n";
 			code += "var _loopAsync = false;\n";
 		}
 		code += "var _loop;\n";
@@ -363,7 +367,7 @@ class HookCodeFactory {
 		code += "} while(_loop);\n";
 		if (!syncOnly) {
 			code += "_loopAsync = true;\n";
-			code += "};\n";
+			code += "});\n";
 			code += "_looper();\n";
 		}
 		return code;
@@ -388,9 +392,9 @@ class HookCodeFactory {
 		code += "do {\n";
 		code += `var _counter = ${this.options.taps.length};\n`;
 		if (onDone) {
-			code += "var _done = () => {\n";
+			code += "var _done = (function() {\n";
 			code += onDone();
-			code += "};\n";
+			code += "});\n";
 		}
 		for (let i = 0; i < this.options.taps.length; i++) {
 			const done = () => {