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add localStorage to polyfills; slightly refactor Ox.localStorage; remove whitespace; update example

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rolux 2012-05-30 16:21:07 +02:00
commit 5b6f161612
3 changed files with 74 additions and 28 deletions
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59
examples/documentation/js/example.js
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@ -97,13 +97,54 @@ My.range = function() {
return a;
};
My.foo = {
array: [
{a: 1, b: 2},
{c: 3, d: 4}
],
objects: {
/*@
My.localStorage <f> Returns a localStorage handler for a given namespace
(ns) -> storage <f> localStorage handler
() -> <o> Returns all key:value pairs
(key) -> <*> Returns one value
(key, value) -> <f> Sets one value, returns the handler
({key: value, ...}) -> <f> Sets one or more values, returns the handler
key <s> Any string
value <*> Any value that can be JSON-serialized
.delete <f> Delete method
() -> <f> Deletes all key:value pairs, returns the handler
(key[, ...]) -> <f> Deletes one or more pairs, returns the handler
key <s> Any string
ns <s> Namespace
*/
My.localStorage = (function() {
if (!window.localStorage) {
window.localStorage = {};
}
}
return function(ns) {
function storage(key, value) {
var args, ret;
if (arguments.length == 0) {
ret = {};
Ox.forEach(localStorage, function(value, key) {
if (Ox.startsWith(key, ns + '.')) {
ret[key.slice(ns.length + 1)] = JSON.parse(value);
}
});
} else if (arguments.length == 1 && typeof key == 'string') {
value = localStorage[ns + '.' + key];
ret = Ox.isUndefined(value) ? void 0 : JSON.parse(value);
} else {
Ox.forEach(Ox.makeObject(arguments), function(value, key) {
localStorage[ns + '.' + key] = JSON.stringify(value);
});
ret = this;
}
return ret;
};
storage.delete = function() {
var keys = arguments.length == 0 ? Object.keys(storage())
: Ox.toArray(arguments)
keys.forEach(function(key) {
delete localStorage[ns + '.' + key];
});
return storage;
};
return storage;
};
}();