Convert backend to ESM

- About 5 years overdue
- Remove eslint, use bomejs instead

backend/lib/utils.js

@@ -1,110 +1,110 @@
-const _          = require('lodash');
-const exec       = require('node:child_process').exec;
-const execFile   = require('node:child_process').execFile;
-const { Liquid } = require('liquidjs');
-const logger     = require('../logger').global;
-const error      = require('./error');
+import { exec as nodeExec, execFile as nodeExecFile } from "node:child_process";
+import { dirname } from "node:path";
+import { fileURLToPath } from "node:url";
+import { Liquid } from "liquidjs";
+import _ from "lodash";
+import { global as logger } from "../logger.js";
+import errs from "./error.js";
 
-module.exports = {
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
 
-	exec: async (cmd, options = {}) => {
-		logger.debug('CMD:', cmd);
-
-		const { stdout, stderr } = await new Promise((resolve, reject) => {
-			const child = exec(cmd, options, (isError, stdout, stderr) => {
-				if (isError) {
-					reject(new error.CommandError(stderr, isError));
-				} else {
-					resolve({ stdout, stderr });
-				}
-			});
-
-			child.on('error', (e) => {
-				reject(new error.CommandError(stderr, 1, e));
-			});
-		});
-		return stdout;
-	},
-
-	/**
-	 * @param   {String} cmd
-	 * @param   {Array}  args
-	 * @param   {Object|undefined}  options
-	 * @returns {Promise}
-	 */
-	execFile: (cmd, args, options) => {
-		logger.debug(`CMD: ${cmd} ${args ? args.join(' ') : ''}`);
-		if (typeof options === 'undefined') {
-			options = {};
-		}
-
-		return new Promise((resolve, reject) => {
-			execFile(cmd, args, options, (err, stdout, stderr) => {
-				if (err && typeof err === 'object') {
-					reject(new error.CommandError(stderr, 1, err));
-				} else {
-					resolve(stdout.trim());
-				}
-			});
-		});
-	},
-
-	/**
-	 * Used in objection query builder
-	 *
-	 * @param   {Array}  omissions
-	 * @returns {Function}
-	 */
-	omitRow: (omissions) => {
-		/**
-		 * @param   {Object} row
-		 * @returns {Object}
-		 */
-		return (row) => {
-			return _.omit(row, omissions);
-		};
-	},
-
-	/**
-	 * Used in objection query builder
-	 *
-	 * @param   {Array}  omissions
-	 * @returns {Function}
-	 */
-	omitRows: (omissions) => {
-		/**
-		 * @param   {Array} rows
-		 * @returns {Object}
-		 */
-		return (rows) => {
-			rows.forEach((row, idx) => {
-				rows[idx] = _.omit(row, omissions);
-			});
-			return rows;
-		};
-	},
-
-	/**
-	 * @returns {Object} Liquid render engine
-	 */
-	getRenderEngine: () => {
-		const renderEngine = new Liquid({
-			root: `${__dirname}/../templates/`
-		});
-
-		/**
-		 * nginxAccessRule expects the object given to have 2 properties:
-		 *
-		 * directive  string
-		 * address    string
-		 */
-		renderEngine.registerFilter('nginxAccessRule', (v) => {
-			if (typeof v.directive !== 'undefined' && typeof v.address !== 'undefined' && v.directive && v.address) {
-				return `${v.directive} ${v.address};`;
+const exec = async (cmd, options = {}) => {
+	logger.debug("CMD:", cmd);
+	const { stdout, stderr } = await new Promise((resolve, reject) => {
+		const child = nodeExec(cmd, options, (isError, stdout, stderr) => {
+			if (isError) {
+				reject(new errs.CommandError(stderr, isError));
+			} else {
+				resolve({ stdout, stderr });
 			}
-			return '';
 		});
 
-		return renderEngine;
-	}
+		child.on("error", (e) => {
+			reject(new errs.CommandError(stderr, 1, e));
+		});
+	});
+	return stdout;
 };
+
+/**
+ * @param   {String} cmd
+ * @param   {Array}  args
+ * @param   {Object|undefined}  options
+ * @returns {Promise}
+ */
+const execFile = (cmd, args, options) => {
+	logger.debug(`CMD: ${cmd} ${args ? args.join(" ") : ""}`);
+	const opts = options || {};
+
+	return new Promise((resolve, reject) => {
+		nodeExecFile(cmd, args, opts, (err, stdout, stderr) => {
+			if (err && typeof err === "object") {
+				reject(new errs.CommandError(stderr, 1, err));
+			} else {
+				resolve(stdout.trim());
+			}
+		});
+	});
+};
+
+/**
+ * Used in objection query builder
+ *
+ * @param   {Array}  omissions
+ * @returns {Function}
+ */
+const omitRow = (omissions) => {
+	/**
+	 * @param   {Object} row
+	 * @returns {Object}
+	 */
+	return (row) => {
+		return _.omit(row, omissions);
+	};
+};
+
+/**
+ * Used in objection query builder
+ *
+ * @param   {Array}  omissions
+ * @returns {Function}
+ */
+const omitRows = (omissions) => {
+	/**
+	 * @param   {Array} rows
+	 * @returns {Object}
+	 */
+	return (rows) => {
+		rows.forEach((row, idx) => {
+			rows[idx] = _.omit(row, omissions);
+		});
+		return rows;
+	};
+};
+
+/**
+ * @returns {Object} Liquid render engine
+ */
+const getRenderEngine = () => {
+	const renderEngine = new Liquid({
+		root: `${__dirname}/../templates/`,
+	});
+
+	/**
+	 * nginxAccessRule expects the object given to have 2 properties:
+	 *
+	 * directive  string
+	 * address    string
+	 */
+	renderEngine.registerFilter("nginxAccessRule", (v) => {
+		if (typeof v.directive !== "undefined" && typeof v.address !== "undefined" && v.directive && v.address) {
+			return `${v.directive} ${v.address};`;
+		}
+		return "";
+	});
+
+	return renderEngine;
+};
+
+export default { exec, execFile, omitRow, omitRows, getRenderEngine };