Converted JS operations

Deleted legacy files, neatened args in other ported ops

src/core/operations/JavaScriptBeautify.mjs

@@ -0,0 +1,94 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+import escodegen from "escodegen";
+import * as esprima from "esprima";
+
+/**
+ * JavaScript Beautify operation
+ */
+class JavaScriptBeautify extends Operation {
+
+    /**
+     * JavaScriptBeautify constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "JavaScript Beautify";
+        this.module = "Code";
+        this.description = "Parses and pretty prints valid JavaScript code. Also works with JavaScript Object Notation (JSON).";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Indent string",
+                "type": "binaryShortString",
+                "value": "\\t"
+            },
+            {
+                "name": "Quotes",
+                "type": "option",
+                "value": ["Auto", "Single", "Double"]
+            },
+            {
+                "name": "Semicolons before closing braces",
+                "type": "boolean",
+                "value": true
+            },
+            {
+                "name": "Include comments",
+                "type": "boolean",
+                "value": true
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const beautifyIndent = args[0] || "\\t",
+            quotes = args[1].toLowerCase(),
+            [,, beautifySemicolons, beautifyComment] = args;
+        let result = "",
+            AST;
+
+        try {
+            AST = esprima.parseScript(input, {
+                range: true,
+                tokens: true,
+                comment: true
+            });
+
+            const options = {
+                format: {
+                    indent: {
+                        style: beautifyIndent
+                    },
+                    quotes: quotes,
+                    semicolons: beautifySemicolons,
+                },
+                comment: beautifyComment
+            };
+
+            if (options.comment)
+                AST = escodegen.attachComments(AST, AST.comments, AST.tokens);
+
+            result = escodegen.generate(AST, options);
+        } catch (e) {
+            // Leave original error so the user can see the detail
+            throw "Unable to parse JavaScript.<br>" + e.message;
+        }
+        return result;
+    }
+
+}
+
+export default JavaScriptBeautify;