db.json change array of objects to array of arrays for more compact

index.html

@@ -105,7 +105,7 @@ <h2>รหัสไปรษณีย์</h2>
 
     <script type="text/javascript">
         $.Thailand({ 
-            database: 'jquery.Thailand.js/db.zip',
+            database: 'jquery.Thailand.js/db3.zip',
             onComplete: function(){
                 $('#loader, #address').toggle();
             }

jquery.Thailand.js/convert-more.js

@@ -0,0 +1,27 @@
+const fs = require('fs')
+const orig = require('./db.json')
+let dict = {}
+let count = 0
+let data = []
+orig.forEach((item) => {
+  data.push([
+    getIndex(item.d),
+    getIndex(item.a),
+    getIndex(item.p),
+    item.z
+  ])
+})
+// transpose key, value
+let lookup = []
+Object.keys(dict).forEach((k) => {
+  lookup[dict[k]] = k
+})
+fs.writeFileSync('db3.json', JSON.stringify({ data, lookup }))
+console.log('DONE')
+
+function getIndex(word) {
+  if (!dict[word]) {
+    dict[word] = count++
+  }
+  return dict[word]
+}

jquery.Thailand.js/convert.js

@@ -0,0 +1,5 @@
+const fs = require('fs')
+const orig = require('./db.json')
+
+fs.writeFileSync('db2.json', JSON.stringify(orig.map((row => [row.d, row.a, row.p, row.z]))))
+console.log('DONE')

jquery.Thailand.js/jquery.Thailand.js

@@ -17,7 +17,7 @@ $.Thailand = function (options) {
 
     options = $.extend({
 
-        database: './db.zip',
+        database: './db2.zip',
         autocomplete_size: 20,
         onComplete: function () {},
 
@@ -35,8 +35,11 @@ $.Thailand = function (options) {
         JSZip.loadAsync(data).then(function (zip) {
 
             // unzip db.json then parse into string
-            zip.file('db.json').async('string').then(function (json) {
-
+            zip.file('db3.json').async('string').then(function (text) {
+                var obj = JSON.parse(text)
+                var json = obj.data.map(function(item) {
+                  return {d: obj.lookup[item[0]], a: obj.lookup[item[1]], p: obj.lookup[item[2]], z: item[3]}
+                })
                 var DB = new JQL(json), // make json query-able
                     typehead_options = {
                         hint: true,