ESM: Ported SeqUtils operations

src/core/operations/RemoveLineNumbers.mjs

@@ -0,0 +1,39 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2016
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+
+/**
+ * Remove line numbers operation
+ */
+class RemoveLineNumbers extends Operation {
+
+    /**
+     * RemoveLineNumbers constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Remove line numbers";
+        this.module = "Default";
+        this.description = "Removes line numbers from the output if they can be trivially detected.";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        return input.replace(/^[ \t]{0,5}\d+[\s:|\-,.)\]]/gm, "");
+    }
+
+}
+
+export default RemoveLineNumbers;