1 line
3.0 KiB
JavaScript
1 line
3.0 KiB
JavaScript
!function(root,factory){"undefined"!=typeof exports?"undefined"!=typeof module&&module.exports&&(exports=module.exports=factory(root,exports)):"function"==typeof define&&define.amd?define(["exports"],function(exports){root.Lockr=factory(root,exports)}):root.Lockr=factory(root,{})}(this,function(root,Lockr){"use strict";return Array.prototype.indexOf||(Array.prototype.indexOf=function(elt){var len=this.length>>>0,from=Number(arguments[1])||0;for(from=from<0?Math.ceil(from):Math.floor(from),from<0&&(from+=len);from<len;from++)if(from in this&&this[from]===elt)return from;return-1}),Lockr.prefix="",Lockr._getPrefixedKey=function(key,options){return options=options||{},options.noPrefix?key:this.prefix+key},Lockr.set=function(key,value,options){var query_key=this._getPrefixedKey(key,options);try{localStorage.setItem(query_key,JSON.stringify({data:value}))}catch(e){console&&console.warn("Lockr didn't successfully save the '{"+key+": "+value+"}' pair, because the localStorage is full.")}},Lockr.get=function(key,missing,options){var value,query_key=this._getPrefixedKey(key,options);try{value=JSON.parse(localStorage.getItem(query_key))}catch(e){value=localStorage[query_key]?{data:localStorage.getItem(query_key)}:null}return value?"object"==typeof value&&"undefined"!=typeof value.data?value.data:void 0:missing},Lockr.sadd=function(key,value,options){var json,query_key=this._getPrefixedKey(key,options),values=Lockr.smembers(key);if(values.indexOf(value)>-1)return null;try{values.push(value),json=JSON.stringify({data:values}),localStorage.setItem(query_key,json)}catch(e){console.log(e),console&&console.warn("Lockr didn't successfully add the "+value+" to "+key+" set, because the localStorage is full.")}},Lockr.smembers=function(key,options){var value,query_key=this._getPrefixedKey(key,options);try{value=JSON.parse(localStorage.getItem(query_key))}catch(e){value=null}return value&&value.data?value.data:[]},Lockr.sismember=function(key,value,options){return Lockr.smembers(key).indexOf(value)>-1},Lockr.keys=function(){var keys=[],allKeys=Object.keys(localStorage);return 0===Lockr.prefix.length?allKeys:(allKeys.forEach(function(key){key.indexOf(Lockr.prefix)!==-1&&keys.push(key.replace(Lockr.prefix,""))}),keys)},Lockr.getAll=function(includeKeys){var keys=Lockr.keys();return includeKeys?keys.reduce(function(accum,key){var tempObj={};return tempObj[key]=Lockr.get(key),accum.push(tempObj),accum},[]):keys.map(function(key){return Lockr.get(key)})},Lockr.srem=function(key,value,options){var json,index,query_key=this._getPrefixedKey(key,options),values=Lockr.smembers(key,value);index=values.indexOf(value),index>-1&&values.splice(index,1),json=JSON.stringify({data:values});try{localStorage.setItem(query_key,json)}catch(e){console&&console.warn("Lockr couldn't remove the "+value+" from the set "+key)}},Lockr.rm=function(key){var queryKey=this._getPrefixedKey(key);localStorage.removeItem(queryKey)},Lockr.flush=function(){Lockr.prefix.length?Lockr.keys().forEach(function(key){localStorage.removeItem(Lockr._getPrefixedKey(key))}):localStorage.clear()},Lockr}); |