(vue操作storage)Vue plugin for work with local storage,session storage and memo
vue-ls
https://www.npmjs.com/package/vue-ls
NPM
npm install vue-ls --save
Yarn
yarn add vue-ls
Usage
Vue storage API.
import Storage from 'vue-ls';
options = {
namespace: 'vuejs__', // key prefix
name: 'ls', // name variable Vue.[ls] or this.[$ls],
storage: 'local', // storage name session, local, memory
};
Vue.use(Storage, options);
//or
//Vue.use(Storage);
new Vue({
el: '#app',
mounted: function() {
Vue.ls.set('foo', 'boo');
//Set expire for item
Vue.ls.set('foo', 'boo', 60 * 60 * 1000); //expiry 1 hour
Vue.ls.get('foo');
Vue.ls.get('boo', 10); //if not set boo returned default 10
let callback = (val, oldVal, uri) => {
console.log('localStorage change', val);
}
Vue.ls.on('foo', callback) //watch change foo key and triggered callback
Vue.ls.off('foo', callback) //unwatch
Vue.ls.remove('foo');
}
});
Global
Vue.ls
Context
this.$ls
API
Vue.ls.get(name, def)
Returns value under name in storage. Internally parses the value from JSON before returning it.
def: default null, returned if not set name.
Vue.ls.set(name, value, expire)
Persists value under name in storage. Internally converts the value to JSON.
expire: default null, life time in milliseconds name
Vue.ls.remove(name)
Removes name from storage. Returns true if the property was successfully deleted, and false otherwise.
Vue.ls.clear()
Clears storage.
Vue.ls.on(name, callback)
Listen for changes persisted against name on other tabs. Triggers callback when a change occurs, passing the following arguments.
newValue: the current value for name in storage, parsed from the persisted JSON
oldValue: the old value for name in storage, parsed from the persisted JSON
url: the url for the tab where the modification came from
Vue.ls.off(name, callback)
Removes a listener previously attached with Vue.ls.on(name, callback).