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Ratchet launch: add caching

pull/2719/head
Rob Pilling 2023-05-02 22:57:15 +01:00
parent dea770cb91
commit 4e2c3dc0c1
1 changed files with 32 additions and 21 deletions
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13
apps/ratchet_launch/app.js
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@ -9,7 +9,14 @@ var blankImage = Graphics.createImage(` `);
var rowHeight = g.getHeight()/3;
// Load apps list
var apps = Storage.list(/\.info$/).map(app=>{
var apps;
var launchCache = s.readJSON("launch.cache.json", true)||{};
var launchHash = require("Storage").hash(/\.info/);
if (launchCache.hash==launchHash) {
apps = launchCache.apps;
} else {
apps = Storage.list(/\.info$/).map(app=>{
var a=Storage.readJSON(app,1);
return a&&{
name:a.name,
@ -31,6 +38,10 @@ apps.sort((a,b)=>{
return 0;
});
launchCache = { apps, hash: launchHash };
s.writeJSON("launch.cache.json", launchCache);
}
// Uncomment for testing in the emulator without apps:
// apps = [
// {