From ecaa088e4317cd1ff1b83249343375951e380a1d Mon Sep 17 00:00:00 2001
From: "Florine W. Dekker" <florine@fwdekker.com>
Date: Wed, 23 Nov 2022 17:54:34 +0100
Subject: [PATCH] Store last value in local storage

Fixes #10.
---
 package.json        |  2 +-
 src/main/js/main.js | 19 +++++++++++++++++--
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 9e7ac21..998a5ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "converter",
-    "version": "1.5.0",
+    "version": "1.5.1",
     "description": "Convert numbers to and from various bases.",
     "author": "Florine W. Dekker",
     "browser": "dist/bundle.js",
diff --git a/src/main/js/main.js b/src/main/js/main.js
index 01eb5cb..8c9cc38 100644
--- a/src/main/js/main.js
+++ b/src/main/js/main.js
@@ -2,9 +2,17 @@
 const {$, doAfterLoad, stringToHtml} = window.fwdekker;
 // noinspection JSUnresolvedVariable
 const {clearInputValidity, showInputInvalid} = window.fwdekker.validation;
+// noinspection JSUnresolvedVariable
+const {LocalStorage} = window.fwdekker.storage;
 import bigInt from "big-integer";
 
 
+/**
+ * Interfaces with local storage.
+ */
+const storage = new LocalStorage("/tools/converter//config");
+
+
 /**
  * Replaces the character at the given index with the given replacement.
  *
@@ -370,6 +378,11 @@ class NumeralSystemInputWithToggleableSeparator extends NumeralSystemInput {
 }
 
 
+/**
+ * @type {NumeralSystem} the decimal number system
+ */
+const decimalSystem = new NumeralSystem(10, "0123456789");
+
 /**
  * All the inputs to display.
  *
@@ -378,7 +391,7 @@ class NumeralSystemInputWithToggleableSeparator extends NumeralSystemInput {
 const inputs = [
     new NumeralSystemInput("Binary", new NumeralSystem(2, "01")),
     new NumeralSystemInput("Octal", new NumeralSystem(8, "01234567")),
-    new NumeralSystemInput("Decimal", new NumeralSystem(10, "0123456789")),
+    new NumeralSystemInput("Decimal", decimalSystem),
     new NumeralSystemInput("Duodecimal", new NumeralSystem(12, "0123456789ab")),
     new NumeralSystemInput("Hexadecimal", new NumeralSystem(16, "0123456789abcdef")),
     new Base64NumeralSystemInput("Base64"),
@@ -399,6 +412,8 @@ const inputs = [
  * @param newDecimalValues {bigInt[]} the decimal representation of the new value
  */
 function updateAllInputs(source, newDecimalValues) {
+    storage.setArray("last-value", decimalSystem.decimalsToBases(newDecimalValues));
+
     for (const input of inputs)
         if (input !== source)
             input.setValues(newDecimalValues);
@@ -410,6 +425,6 @@ doAfterLoad(() => {
     for (const input of inputs)
         input.addToParent(form);
 
-    updateAllInputs(undefined, [bigInt(42), bigInt(17)]);
+    updateAllInputs(undefined, decimalSystem.basesToDecimals(storage.getArray("last-value", [42, 17])));
     inputs[0].textarea.focus();
 });