ESM: The operations index is now generated automatically

Gruntfile.js

@@ -133,7 +133,7 @@ module.exports = function (grunt) {
             dev: ["build/dev/*"],
             prod: ["build/prod/*"],
             node: ["build/node/*"],
-            config: ["src/core/config/OperationConfig.json", "src/core/config/modules/*"],
+            config: ["src/core/config/OperationConfig.json", "src/core/config/modules/*", "src/code/operations/index.mjs"],
             docs: ["docs/*", "!docs/*.conf.json", "!docs/*.ico", "!docs/*.png"],
             inlineScripts: ["build/prod/scripts.js"],
         },

src/core/config/modules/Default.mjs

@@ -1,5 +1,5 @@
 /**
-* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/generateConfig.mjs
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateConfig.mjs
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright 2018

src/core/config/modules/OpModules.mjs

@@ -1,5 +1,5 @@
 /**
-* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/generateConfig.mjs
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateConfig.mjs
 *
 * Imports all modules for builds which do not load modules separately.
 *

src/core/config/generateConfig.mjs → src/core/config/scripts/generateConfig.mjs

@@ -1,6 +1,6 @@
 /**
  * This script automatically generates OperationConfig.json, containing metadata
- * for each opeartion in the src/core/operations directory.
+ * for each operation in the src/core/operations directory.
  * It also generates modules in the src/core/config/modules directory to separate
  * out operations into logical collections.
  *
@@ -14,13 +14,13 @@
 import path from "path";
 import fs  from "fs";
 import process from "process";
-import * as Ops from "../operations/index";
+import * as Ops from "../../operations/index";
 
 const dir = path.join(process.cwd() + "/src/core/config/");
 if (!fs.existsSync(dir)) {
     console.log("\nCWD: " + process.cwd());
     console.log("Error: generateConfig.mjs should be run from the project root");
-    console.log("Example> node --experimental-modules src/core/config/generateConfig.mjs");
+    console.log("Example> node --experimental-modules src/core/config/scripts/generateConfig.mjs");
     process.exit(1);
 }
 
@@ -69,7 +69,7 @@ fs.writeFile(
  */
 for (const module in modules) {
     let code = `/**
-* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/generateConfig.mjs
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateConfig.mjs
 *
 * @author n1474335 [n1474335@gmail.com]
 * @copyright Crown Copyright ${new Date().getUTCFullYear()}
@@ -113,7 +113,7 @@ export default OpModules;
  * Write OpModules wrapper.
  */
 let opModulesCode = `/**
-* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/generateConfig.mjs
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateConfig.mjs
 *
 * Imports all modules for builds which do not load modules separately.
 *

src/core/config/scripts/generateOpsIndex.mjs

@@ -0,0 +1,59 @@
+/**
+ * This script automatically generates src/core/operations/index.mjs, containing
+ * imports for all operations in src/core/operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+/*eslint no-console: ["off"] */
+
+import path from "path";
+import fs  from "fs";
+import process from "process";
+
+const dir = path.join(process.cwd() + "/src/core/config/");
+if (!fs.existsSync(dir)) {
+    console.log("\nCWD: " + process.cwd());
+    console.log("Error: generateOpsIndex.mjs should be run from the project root");
+    console.log("Example> node --experimental-modules src/core/config/scripts/generateOpsIndex.mjs");
+    process.exit(1);
+}
+
+// Find all operation files
+const opObjs = [];
+fs.readdirSync(path.join(dir, "../operations")).forEach(file => {
+    if (!file.endsWith(".mjs") || file === "index.mjs") return;
+    opObjs.push(file.split(".mjs")[0]);
+});
+
+// Construct index file
+let code = `/**
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateOpsIndex.mjs
+*
+* @author n1474335 [n1474335@gmail.com]
+* @copyright Crown Copyright ${new Date().getUTCFullYear()}
+* @license Apache-2.0
+*/
+`;
+
+opObjs.forEach(obj => {
+    code += `import ${obj} from "./${obj}";\n`;
+});
+
+code += `
+export {
+`;
+
+opObjs.forEach(obj => {
+    code += `    ${obj},\n`;
+});
+
+code += "};\n";
+
+// Write file
+fs.writeFileSync(
+    path.join(dir, "../operations/index.mjs"),
+    code
+);

src/core/operations/index.mjs

@@ -1,17 +1,24 @@
-import ToBase64 from "./ToBase64";
-import FromBase64 from "./FromBase64";
-import ToBase32 from "./ToBase32";
+/**
+* THIS FILE IS AUTOMATICALLY GENERATED BY src/core/config/scripts/generateOpsIndex.mjs
+*
+* @author n1474335 [n1474335@gmail.com]
+* @copyright Crown Copyright 2018
+* @license Apache-2.0
+*/
 import FromBase32 from "./FromBase32";
+import FromBase64 from "./FromBase64";
+import FromHex from "./FromHex";
 import ShowBase64Offsets from "./ShowBase64Offsets";
+import ToBase32 from "./ToBase32";
+import ToBase64 from "./ToBase64";
 import ToHex from "./ToHex";
-import FromHex from "./FromHex";
 
 export {
-    ToBase64,
-    FromBase64,
-    ToBase32,
     FromBase32,
+    FromBase64,
+    FromHex,
     ShowBase64Offsets,
+    ToBase32,
+    ToBase64,
     ToHex,
-    FromHex
 };

webpack.config.js

@@ -45,7 +45,10 @@ module.exports = {
         }),
         new ExtractTextPlugin("styles.css"),
         new WebpackShellPlugin({
-            onBuildStart: ["node --experimental-modules src/core/config/generateConfig.mjs"],
+            onBuildStart: [
+                "node --experimental-modules src/core/config/scripts/generateOpsIndex.mjs",
+                "node --experimental-modules src/core/config/scripts/generateConfig.mjs",
+            ],
         })
     ],
     resolve: {