ESM: The operations index is now generated automatically

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
+);