adding reverseSequenceString fn

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ve-sequence-utils",
-  "version": "5.1.14",
+  "version": "5.1.15",
   "description": "sequence utility functions",
   "main": "lib",
   "//types": "./index.d.ts",

src/getReverseSequenceString.js

@@ -1,16 +1,3 @@
-const DNAComplementMap = require("./DNAComplementMap");
-// const ac = require('ve-api-check');
-// ac.throw([ac.string,ac.bool],arguments);
-module.exports = function getReverseSequenceString(sequence) {
-  // ac.throw([ac.string],arguments);
-  let reverseSequenceString = "";
-  for (let i = sequence.length - 1; i >= 0; i--) {
-    let revChar = sequence[i];
-    if (!revChar) {
-      revChar = sequence[i];
-      // throw new Error('trying to get the reverse of an invalid base');
-    }
-    reverseSequenceString += revChar;
-  }
-  return reverseSequenceString;
+module.exports = function getReverseSequenceString(s) {
+  return [...s].reverse().join("");
 };

src/getReverseSequenceString.test.js

@@ -1,7 +1,5 @@
 const chai = require("chai");
 chai.should();
-const chaiSubset = require("chai-subset");
-chai.use(chaiSubset);
 const getReverseSequenceString = require("./getReverseSequenceString");
 describe("getReverseSequenceAndAnnotations", function() {
   it("handles a range option correctly and reverse complements a subset of the sequence across the origin ", function() {

src/index.js

@@ -52,6 +52,7 @@ module.exports.getReverseComplementAminoAcidStringFromSequenceString = require("
 module.exports.getReverseComplementAnnotation = require("./getReverseComplementAnnotation");
 module.exports.getReverseComplementSequenceAndAnnotations = require("./getReverseComplementSequenceAndAnnotations");
 module.exports.getReverseComplementSequenceString = require("./getReverseComplementSequenceString");
+module.exports.getReverseSequenceString = require("./getReverseSequenceString");
 module.exports.getSequenceDataBetweenRange = require("./getSequenceDataBetweenRange");
 module.exports.guessIfSequenceIsDnaAndNotProtein = require("./guessIfSequenceIsDnaAndNotProtein");
 module.exports.insertSequenceDataAtPosition = require("./insertSequenceDataAtPosition");