ESM: Ported Tidy operations. Updated portOperation script to attempt to find the run function and list related constants.

src/core/operations/PadLines.mjs

@@ -0,0 +1,70 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+
+/**
+ * Pad lines operation
+ */
+class PadLines extends Operation {
+
+    /**
+     * PadLines constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Pad lines";
+        this.module = "Default";
+        this.description = "Add the specified number of the specified character to the beginning or end of each line";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [
+            {
+                "name": "Position",
+                "type": "option",
+                "value": ["Start", "End"]
+            },
+            {
+                "name": "Length",
+                "type": "number",
+                "value": 5
+            },
+            {
+                "name": "Character",
+                "type": "binaryShortString",
+                "value": " "
+            }
+        ];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const [position, len, chr] = args,
+            lines = input.split("\n");
+        let output = "",
+            i = 0;
+
+        if (position === "Start") {
+            for (i = 0; i < lines.length; i++) {
+                output += lines[i].padStart(lines[i].length+len, chr) + "\n";
+            }
+        } else if (position === "End") {
+            for (i = 0; i < lines.length; i++) {
+                output += lines[i].padEnd(lines[i].length+len, chr) + "\n";
+            }
+        }
+
+        return output.slice(0, output.length-1);
+    }
+
+}
+
+export default PadLines;