chromeless fix (#192)

package.json

@@ -32,6 +32,7 @@
     "bindings": "^1.3.1",
     "bytes": "^3.0.0",
     "canvas": "^2.2.0",
+    "chromeless": "^1.5.2",
     "codecov": "^3.1.0",
     "copy": "^0.3.2",
     "core-js": "^2.5.7",

src/loaders/relocate-loader.js

@@ -300,6 +300,7 @@ module.exports = function (code) {
   let scope = attachScopes(ast, 'scope');
 
   let pathId, pathImportIds = {};
+  let fsId;
   let pregypId, bindingsId;
 
   const shadowDepths = Object.create(null);
@@ -383,6 +384,12 @@ module.exports = function (code) {
       if (shadowDepths[pathId] === 0)
         vars[pathId] = path;
     }
+    if (fsId) {
+      if (shadowDepths[fsId] === 0)
+        vars[fsId] = {
+          existsSync: fs.existsSync
+        };
+    }
     if (pregypId) {
       if (shadowDepths[pregypId] === 0)
         vars[pregypId] = pregyp;
@@ -501,6 +508,12 @@ module.exports = function (code) {
               shadowDepths[bindingsId] = 0;
               return this.skip();
             }
+            // var fs = require('fs')
+            else if (decl.init.arguments[0].value === 'fs') {
+              fsId = decl.id.name;
+              shadowDepths[fsId] = 0;
+              return this.skip();
+            }
           }
           // var { join } = path | require('path');
           else if (decl.id.type === 'ObjectPattern' && decl.init &&
@@ -545,7 +558,7 @@ module.exports = function (code) {
       // -> compute and backtrack
       if (staticChildNode) {
         const curStaticValue = computeStaticValue(node, false);
-        if (curStaticValue) {
+        if (curStaticValue !== undefined) {
           staticChildValue = curStaticValue;
           staticChildNode = node;
           staticChildValueBindingsInstance = staticBindingsInstance;
@@ -560,6 +573,11 @@ module.exports = function (code) {
           }
           catch (e) {}
         }
+        // Boolean inlining
+        else if (typeof staticChildValue === 'boolean') {
+          transformed = true;
+          magicString.overwrite(staticChildNode.start, staticChildNode.end, String(staticChildValue));
+        }
         if (stats && stats.isFile()) {
           let replacement = emitAsset(path.resolve(staticChildValue));
           // require('bindings')(...)

test/integration/chromeless.js

@@ -0,0 +1 @@
+require('chromeless');

test/unit/fs-conditional/input.js

@@ -0,0 +1,5 @@
+const fs = require('fs');
+if (fs.existsSync(__dirname + '/input1.js'))
+  require('./input1.js');
+else if (fs.existsSync(__dirname + '/input.js'))
+  require('./input.js');

test/unit/fs-conditional/output-coverage.js

@@ -0,0 +1,59 @@
+module.exports =
+/******/ (function(modules, runtime) { // webpackBootstrap
+/******/ 	"use strict";
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(660);
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 66:
+/***/ (function(module) {
+
+module.exports = require("fs");
+
+/***/ }),
+
+/***/ 660:
+/***/ (function(__unusedmodule, __unusedexports, __webpack_require__) {
+
+const fs = __webpack_require__(66);
+if (false)
+  {}
+else if (fs.existsSync(__dirname + '/input.js'))
+  __webpack_require__(660);
+
+
+/***/ })
+
+/******/ });

test/unit/fs-conditional/output.js

@@ -0,0 +1,59 @@
+module.exports =
+/******/ (function(modules, runtime) { // webpackBootstrap
+/******/ 	"use strict";
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(967);
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 66:
+/***/ (function(module) {
+
+module.exports = require("fs");
+
+/***/ }),
+
+/***/ 967:
+/***/ (function(__unusedmodule, __unusedexports, __webpack_require__) {
+
+const fs = __webpack_require__(66);
+if (false)
+  {}
+else if (fs.existsSync(__dirname + '/input.js'))
+  __webpack_require__(967);
+
+
+/***/ })
+
+/******/ });