Converted to support latest node and added abbreviation support

package.json

@@ -5,12 +5,12 @@
   "main": "./dist/FuzzySearch.js",
   "module": "src/FuzzySearch.js",
   "devDependencies": {
-    "@babel/register": "^7.6.2",
-    "cross-env": "^6.0.3",
-    "eslint": "^6.6.0",
-    "jasmine": "^3.5.0",
-    "laravel-mix": "^5.0.0",
-    "vue-template-compiler": "^2.6.11"
+    "@babel/register": "^7.12.13",
+    "cross-env": "^7.0.3",
+    "eslint": "^7.19.0",
+    "jasmine": "^3.6.4",
+    "laravel-mix": "^6.0.11",
+    "vue-template-compiler": "^2.6.12"
   },
   "scripts": {
     "dev": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js && rm mix-manifest.json",
@@ -35,4 +35,4 @@
   },
   "homepage": "https://github.com/wouter2203/fuzzy-search#readme",
   "tonicExampleFilename": "example.js"
-}
+}

spec/FuzzySearchSpec.js → spec/FuzzySearchSpec.mjs

@@ -1,4 +1,4 @@
-import FuzzySearch from '../src/FuzzySearch';
+import FuzzySearch from '../src/FuzzySearch.mjs';
 
 describe('FuzzySearch', () => {
   it('should return an error when called as a function', () => {
@@ -145,4 +145,10 @@ describe('FuzzySearch', () => {
 
     expect([1, 12, 11]).toEqual(fuzzy.search(1));
   });
+
+  it('should sort abbreviation as first', () => {
+    const fuzzy = new FuzzySearch(["General Preferences Table", "Group Preferences Table", "Prefix User Preferences Table", "User Preferences Table"], { sort: true });
+
+    expect(["User Preferences Table", "Prefix User Preferences Table", "Group Preferences Table"]).toEqual(fuzzy.search("upt"));
+  });
 });

spec/HelperSpec.js → spec/HelperSpec.mjs

@@ -1,4 +1,4 @@
-import Helper from '../src/Helper';
+import Helper from '../src/Helper.mjs';
 
 describe('Helper', () => {
   it('should allow for deep key search', () => {

spec/support/jasmine.json

@@ -1,7 +1,7 @@
 {
   "spec_dir": "spec",
   "spec_files": [
-    "**/*[sS]pec.js"
+    "**/*[sS]pec.mjs"
   ],
   "helpers": [
     "../node_modules/@babel/register/lib/node.js"

src/FuzzySearch.js → src/FuzzySearch.mjs

@@ -1,4 +1,4 @@
-import Helper from './Helper';
+import Helper from './Helper.mjs';
 
 export default class FuzzySearch {
   constructor(haystack = [], keys = [], options = {}) {
@@ -83,13 +83,25 @@ export default class FuzzySearch {
       return 1;
     }
 
+    // If we hit abbreviation it should go before others (except exact match).
+    const abbreviationIndicies = [0];
+    for (let i=0; i<item.length; i++) {
+      if (item[i] === " ") abbreviationIndicies.push(i + 1);
+    }
+
+    if (indexes.reduce((accumulator, currentValue) => abbreviationIndicies.includes(currentValue) && accumulator, true)) {
+      return 2 + indexes.reduce((accumulator, currentValue, i) => {
+        return accumulator + abbreviationIndicies.indexOf(currentValue);
+      }, 0);
+    }
+
     // If we have more than 2 letters, matches close to each other should be first.
     if (indexes.length > 1) {
-      return 2 + (indexes[indexes.length - 1] - indexes[0]);
+      return 3 + (indexes[indexes.length - 1] - indexes[0]);
     }
 
     // Matches closest to the start of the string should be first.
-    return 2 + indexes[0];
+    return 3 + indexes[0];
   }
 
   static nearestIndexesFor(item, query) {