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Polishing up localStorage helpers

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This commit is contained in:
James Barnsley
2017-11-24 09:02:42 +13:00
parent 64bbaf9d1f
commit 15bdb4d7a1
8 changed files with 330 additions and 252 deletions
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28
src/js/helpers.js
View File

@ -22,6 +22,12 @@ var storage = (function() {
} catch (exception) {}
}());
/**
* Get a storage value
*
* @param key = string
* @param default_value = mixed (optional, if localStorage key doesn't exist, return this)
**/
export let getStorage = function(key, default_value = {}){
if (storage){
var value = storage.getItem(key);
@ -37,22 +43,34 @@ export let getStorage = function(key, default_value = {}){
}
}
export let setStorage = function(key, value){
/**
* Set a storage value
*
* @param key = string
* @param value = object
* @param replace = boolean (optional, completely replace our local value rather than merging it)
**/
export let setStorage = function(key, value, replace = false){
if (storage){
var stored_value = storage.getItem(key);
if (stored_value){
// We have nothing to merge with, or we want to completely replace previous value
if (!stored_value || replace){
var new_value = value;
// Merge new value with existing
} else {
var new_value = Object.assign(
{},
JSON.parse(stored_value),
value
);
} else {
var new_value = value;
}
storage.setItem(key, JSON.stringify(new_value));
return;
} else {
console.warn("localStorage not available. '"+key+"'' will not perist when you close your browser.");
return false;
return;
}
}

20
src/js/services/localstorage/middleware.js
View File

@ -153,17 +153,21 @@ const localstorageMiddleware = (function(){
break
case 'SUPPRESS_BROADCAST':
var ui = JSON.parse(localStorage.getItem('ui'))
if (!ui) ui = {}
var ui = helpers.getStorage('ui');
if (ui.suppressed_broadcasts !== undefined){
var suppressed_broadcasts = ui.suppressed_broadcasts;
} else {
var suppressed_broadcasts = [];
}
var suppressed_broadcasts = (typeof(ui.suppressed_broadcasts) !== 'undefined' ? ui.suppressed_broadcasts : [])
suppressed_broadcasts.push(action.key)
suppressed_broadcasts.push(action.key);
Object.assign(
ui,
{ suppressed_broadcasts: suppressed_broadcasts }
helpers.setStorage(
'ui',
{
suppressed_broadcasts: suppressed_broadcasts
}
);
localStorage.setItem('ui', JSON.stringify(ui))
break
case 'LASTFM_AUTHORIZATION_GRANTED':