Use async in scripts

js/scripts/.eslintrc.js

@@ -5,7 +5,8 @@ module.exports = {
     },
     "extends": "eslint:recommended",
     "parserOptions": {
-        "sourceType": "script"
+        "sourceType": "script",
+        "ecmaVersion": 2017
     },
     "rules": {
         "indent": [

js/scripts/generate-enums.js

@@ -109,10 +109,8 @@ function writeJavascriptFile() {
     return fse.outputFile(jsEnumDst, content);
 }
 
-function createJavascriptFiles() {
-    return new Promise(function(resolve) {
-        resolve(writeJavascriptFile());
-    });
+async function createJavascriptFiles() {
+    return await writeJavascriptFile();
 }
 
 function writePythonFile() {
@@ -144,10 +142,8 @@ function writePythonFile() {
     return fse.outputFile(pyEnumDst, content);
 }
 
-function createPythonFiles() {
-    return new Promise(function(resolve) {
-        resolve(writePythonFile());
-    });
+async function createPythonFiles() {
+    return await writePythonFile();
 }
 
 function generateFiles() {

js/scripts/generate-shader-utils.js

@@ -58,7 +58,7 @@ function mapPromiseFnOverObject(object, mapFn) {
 }
 
 
-function createPythonWrapper(name, relativePath) {
+async function createPythonWrapper(name, relativePath) {
 
     const data = THREE[name];
     let serialized;
@@ -92,14 +92,14 @@ function createPythonWrapper(name, relativePath) {
         generatorScriptName: path.basename(__filename),
     });
     promises.push(fse.outputFile(pyPath, output));
-    return Promise.all(promises);
+    await Promise.all(promises);
 }
 
-function createPythonModuleInitFile(modulePath) {
+async function createPythonModuleInitFile(modulePath) {
 
     const dirname = path.dirname(modulePath);
     const pyInitFilePath = path.resolve(pySrcDir, dirname, '__init__.py');
-    return fse.ensureFile(pyInitFilePath);
+    await fse.ensureFile(pyInitFilePath);
 
 }
 
@@ -110,12 +110,12 @@ function createPythonFiles() {
         return Promise.resolve();
     }
 
-    return mapPromiseFnOverObject(shaderUtilsConfig, function(name, configObj) {
+    return mapPromiseFnOverObject(shaderUtilsConfig, async function(name, configObj) {
         const relativePath = configObj.relativePath;
-        return createPythonWrapper(name, relativePath).then(function() {
-            // ensures each dir has empty __init__.py file for proper importing of sub dirs
-            return createPythonModuleInitFile(relativePath);
-        });
+        await createPythonWrapper(name, relativePath);
+
+        // ensures each dir has empty __init__.py file for proper importing of sub dirs
+        await createPythonModuleInitFile(relativePath);
     });
 }
 

js/scripts/generate-wrappers.js

@@ -591,77 +591,75 @@ function writeJavascriptIndexFiles() {
     // Regexp's
     const RE_AUTOGEN_EXT = /\.autogen\.js$/;
 
-    function writeIndexForDir(dirPath, isTopLevel) {
+    async function writeIndexForDir(dirPath, isTopLevel) {
 
         const dirAbsPath = path.resolve(jsSrcDir, dirPath);
 
         // Generate list of files in dir to include in index.js as require lines
-        return fse.readdir(dirAbsPath).then(function(dirFiles) {
+        let dirFiles = await fse.readdir(dirAbsPath);
 
-            // get proper relative path for file
-            dirFiles = dirFiles.map(function(filename) {
-                return './' + path.join(dirPath, filename);
-            });
+        // get proper relative path for file
+        dirFiles = dirFiles.map(filename => {
+            return './' + path.join(dirPath, filename);
+        });
 
-            // filter excluded files
-            dirFiles = dirFiles.filter(function(filePath) {
+        // filter excluded files
+        dirFiles = dirFiles.filter(filePath => {
 
-                // ignore autogen files in _base dir
-                if (/_base/.test(dirPath) && RE_AUTOGEN_EXT.test(filePath)) {
-                    return false;
-                }
+            // ignore autogen files in _base dir
+            if (/_base/.test(dirPath) && RE_AUTOGEN_EXT.test(filePath)) {
+                return false;
+            }
 
-                // compare filePath to each exclude pattern
-                const shouldExclude = _.any(excludes, function(testPattern) {
-                    if (testPattern instanceof RegExp) {
-                        return testPattern.test(filePath);
-                    } else if (typeof testPattern === 'string') {
-                        return testPattern === filePath;
-                    }
-                });
-                if (shouldExclude) {
-                    return false;
+            // compare filePath to each exclude pattern
+            const shouldExclude = _.any(excludes, function(testPattern) {
+                if (testPattern instanceof RegExp) {
+                    return testPattern.test(filePath);
+                } else if (typeof testPattern === 'string') {
+                    return testPattern === filePath;
                 }
+            });
+            if (shouldExclude) {
+                return false;
+            }
 
-                // if override class exists, load it in favor of the autogen file
-                // e.g. for WebGLRenderer.js, Object3D.js, DataTexture.js
-                // override classes should extend the autogen versions
-                if (RE_AUTOGEN_EXT.test(filePath)) {
-
-                    const dirname = path.dirname(filePath);
-                    const basename = path.basename(filePath, JS_AUTOGEN_EXT);
-                    const overrideName = basename + '.js';
-                    const overridePath = './' + path.join(dirname, overrideName);
+            // if override class exists, load it in favor of the autogen file
+            // e.g. for WebGLRenderer.js, Object3D.js, DataTexture.js
+            // override classes should extend the autogen versions
+            if (RE_AUTOGEN_EXT.test(filePath)) {
 
-                    // override file present, so don't include autogen file in index
-                    if (dirFiles.indexOf(overridePath) > -1) {
-                        console.log('override exists for: ' + filePath);
-                        return false;
-                    }
+                const dirname = path.dirname(filePath);
+                const basename = path.basename(filePath, JS_AUTOGEN_EXT);
+                const overrideName = basename + '.js';
+                const overridePath = './' + path.join(dirname, overrideName);
 
+                // override file present, so don't include autogen file in index
+                if (dirFiles.indexOf(overridePath) > -1) {
+                    console.log('override exists for: ' + filePath);
+                    return false;
                 }
 
-                return true;
-            });
+            }
 
-            // convert file paths relative to js src dir to paths relative to dirPath
-            dirFiles = dirFiles.map(function(filePath) {
-                return './' + path.basename(filePath);
-            });
+            return true;
+        });
 
-            // render template
-            const context = {
-                now: new Date(),
-                generatorScriptName: path.basename(__filename),
-                top_level: isTopLevel,
-                submodules: dirFiles,
-            };
-            const output = jsIndexTemplate(context);
-            const outputPath = path.resolve(jsSrcDir, dirPath, 'index.js');
+        // convert file paths relative to js src dir to paths relative to dirPath
+        dirFiles = dirFiles.map(function(filePath) {
+            return './' + path.basename(filePath);
+        });
 
-            return fse.outputFile(outputPath, output);
+        // render template
+        const context = {
+            now: new Date(),
+            generatorScriptName: path.basename(__filename),
+            top_level: isTopLevel,
+            submodules: dirFiles,
+        };
+        const output = jsIndexTemplate(context);
+        const outputPath = path.resolve(jsSrcDir, dirPath, 'index.js');
 
-        });
+        return fse.outputFile(outputPath, output);
     }
 
     // map over all directories in js src dir

js/scripts/post-build.js

@@ -45,7 +45,7 @@ async function copyExampleImagesToDocs() {
         await fse.copy(
             path.resolve(exampleImagesSrcDir, filePath),
             path.resolve(exampleImagesDstDir, filePath)
-        )
+        );
         console.log(`Copied ${filePath} to docs examples' image folder`);
     }));
 }