Merge branch 'klaxon1-feature/remove-letter-accents'

src/core/config/Categories.json

@@ -168,6 +168,7 @@
         "ops": [
             "Encode text",
             "Decode text",
+            "Remove Diacritics",
             "Unescape Unicode Characters"
         ]
     },

src/core/operations/RemoveDiacritics.mjs

@@ -0,0 +1,41 @@
+/**
+ * @author Klaxon [klaxon@veyr.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation";
+
+/**
+ * Remove Diacritics operation
+ */
+class RemoveDiacritics extends Operation {
+
+    /**
+     * RemoveDiacritics constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "Remove Diacritics";
+        this.module = "Default";
+        this.description = "Replaces accented characters with their latin character equivalent.";
+        this.infoURL = "https://wikipedia.org/wiki/Diacritic";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        // reference: https://stackoverflow.com/questions/990904/remove-accents-diacritics-in-a-string-in-javascript/37511463
+        return input.normalize("NFD").replace(/[\u0300-\u036f]/g, "");
+    }
+
+}
+
+export default RemoveDiacritics;

test/index.mjs

@@ -63,6 +63,7 @@ import "./tests/operations/ParseIPRange";
 import "./tests/operations/PowerSet";
 import "./tests/operations/Regex";
 import "./tests/operations/Register";
+import "./tests/operations/RemoveDiacritics";
 import "./tests/operations/Rotate";
 import "./tests/operations/SeqUtils";
 import "./tests/operations/SetDifference";

test/tests/operations/RemoveDiacritics.mjs

@@ -0,0 +1,23 @@
+
+/**
+ * Remove Diacritics tests.
+ *
+ * @author Klaxon [klaxon@veyr.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ */
+import TestRegister from "../../TestRegister";
+
+TestRegister.addTests([
+    {
+        name: "Remove Diacritics",
+        input: "\xe0, \xe8, \xec, \xf2, \xf9  \xc0, \xc8, \xcc, \xd2, \xd9\n\xe1, \xe9, \xed, \xf3, \xfa, \xfd \xc1, \xc9, \xcd, \xd3, \xda, \xdd\n\xe2, \xea, \xee, \xf4, \xfb \xc2, \xca, \xce, \xd4, \xdb\n\xe3, \xf1, \xf5 \xc3, \xd1, \xd5\n\xe4, \xeb, \xef, \xf6, \xfc, \xff \xc4, \xcb, \xcf, \xd6, \xdc, \u0178\n\xe5, \xc5",
+        expectedOutput: "a, e, i, o, u  A, E, I, O, U\na, e, i, o, u, y A, E, I, O, U, Y\na, e, i, o, u A, E, I, O, U\na, n, o A, N, O\na, e, i, o, u, y A, E, I, O, U, Y\na, A",
+        recipeConfig: [
+            {
+                "op": "Remove Diacritics",
+                "args": []
+            },
+        ],
+    },
+]);