query-state/dist/query-state.min.js

Application state in query string

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.queryState=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){module.exports=queryState;var eventify=require("ngraph.events");var windowHistory=require("./lib/windowHistory.js");queryState.instance=instance;var singletonQS;function queryState(defaults,options){options=options||{};var history=options.history||windowHistory(defaults,options);validateHistoryAPI(history);history.onChanged(updateQuery);var query=history.get()||Object.create(null);var api={get:getValue,set:setValue,setIfEmpty:setIfEmpty,dispose:dispose,onChange:onChange,offChange:offChange,getHistoryObject:getHistoryObject};var eventBus=eventify({});return api;function onChange(callback,ctx){eventBus.on("change",callback,ctx)}function offChange(callback,ctx){eventBus.off("change",callback,ctx)}function getHistoryObject(){return history}function dispose(){history.dispose();eventBus.off()}function getValue(keyName){if(keyName===undefined)return query;return query[keyName]}function setValue(keyName,value){var keyNameType=typeof keyName;if(keyNameType==="object"){Object.keys(keyName).forEach(function(key){query[key]=keyName[key]})}else if(keyNameType==="string"){query[keyName]=value}history.set(query);return api}function updateQuery(newAppState){query=newAppState;eventBus.fire("change",query)}function setIfEmpty(keyName,value){if(typeof keyName==="object"){Object.keys(keyName).forEach(function(key){if(key in query)return;query[key]=keyName[key]})}if(keyName in query)return;query[keyName]=value;history.set(query);return api}}function instance(defaults){if(!singletonQS){singletonQS=queryState(defaults)}else if(defaults){singletonQS.setIfEmpty(defaults)}return singletonQS}function validateHistoryAPI(history){if(!history)throw new Error("history is required");if(typeof history.dispose!=="function")throw new Error("dispose is required");if(typeof history.onChanged!=="function")throw new Error("onChanged is required")}},{"./lib/windowHistory.js":4,"ngraph.events":5}],2:[function(require,module,exports){module.exports=inMemoryHistory;function inMemoryHistory(defaults){var listeners=[];var lastQueryObject=defaults;return{dispose:dispose,onChanged:onChanged,set:set,get:get};function get(){return lastQueryObject}function set(newQueryObject){lastQueryObject=newQueryObject;setTimeout(function(){triggerChange(newQueryObject)},0)}function dispose(){listeners=[]}function onChanged(changeCallback){if(typeof changeCallback!=="function"){throw new Error("changeCallback should be a function")}listeners.push(changeCallback)}function triggerChange(appState){listeners.forEach(function(listener){listener(appState)})}}},{}],3:[function(require,module,exports){module.exports={parse:parse,stringify:stringify};function stringify(object){if(!object)return"";return Object.keys(object).map(toPairs).join("&");function toPairs(key){var value=object[key];var pair=encodePart(key);if(value!==undefined){pair+="="+encodeValue(value)}return pair}}function parse(queryString){var query=Object.create(null);if(!queryString)return query;queryString.split("&").forEach(decodeRecord);return query;function decodeRecord(queryRecord){if(!queryRecord)return;var pair=queryRecord.split("=");query[decodeURIComponent(pair[0])]=decodeValue(pair[1])}}function encodeValue(value){if(value instanceof Date){value=value.toISOString()}var uriValue=encodePart(value);return uriValue}function encodePart(part){var encoded=encodeURIComponent(part);return encoded.replace(/[()]/g,saferEscape)}function saferEscape(character){if(character===")")return"%29";if(character==="(")return"%28";return character}function decodeValue(value){value=decodeURIComponent(value);if(value==="")return value;if(!isNaN(value))return parseFloat(value);if(isBolean(value))return value==="true";if(isISODateString(value))return new Date(value);return value}function isBolean(strValue){return strValue==="true"||strValue==="false"}function isISODateString(str){return str&&str.match(/(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|(\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))/)}},{}],4:[function(require,module,exports){module.exports=windowHistory;var inMemoryHistory=require("./inMemoryHistory.js");var query=require("./query.js");function windowHistory(defaults,options){if(typeof window==="undefined")return inMemoryHistory(defaults);var listeners=[];var useSearchPart=options&&options.useSearch;var hashPrefix=useSearchPart?"?":"#?";if(options.rewriteHashToSearch){rewriteHashToSearch()}init();return{onChanged:onChanged,dispose:dispose,set:set,get:getStateFromHash,rewriteHashToSearch:rewriteHashToSearch};function init(){var stateFromHash=getStateFromHash();var stateChanged=false;if(typeof defaults==="object"&&defaults){Object.keys(defaults).forEach(function(key){if(key in stateFromHash)return;stateFromHash[key]=defaults[key];stateChanged=true})}if(stateChanged)set(stateFromHash)}function rewriteHashToSearch(){var mergedState=Object.create(null);var searchString=window.location.search;if(searchString)mergedState=Object.assign(mergedState,query.parse(searchString.substr(1)));var hashString=window.location.hash;if(hashString)mergedState=Object.assign(mergedState,query.parse(hashString.substr(2)));set(mergedState)}function set(appState){var hash=hashPrefix+query.stringify(appState);if(window.history){window.history.replaceState(undefined,undefined,hash)}else{window.location.replace(hash)}}function onChanged(changeCallback){if(typeof changeCallback!=="function")throw new Error("changeCallback needs to be a function");if(listeners.length===0){window.addEventListener("hashchange",onHashChanged,false)}listeners.push(changeCallback)}function dispose(){if(listeners.length===0)return;listeners=[];window.removeEventListener("hashchange",onHashChanged,false)}function onHashChanged(){var appState=getStateFromHash();notifyListeners(appState)}function notifyListeners(appState){for(var i=0;i<listeners.length;++i){var listener=listeners[i];listener(appState)}}function getStateFromHash(){var baseString=useSearchPart?window.location.search:window.location.hash;var queryString=(baseString||hashPrefix).substr(hashPrefix.length);return query.parse(queryString)}}},{"./inMemoryHistory.js":2,"./query.js":3}],5:[function(require,module,exports){module.exports=function(subject){validateSubject(subject);var eventsStorage=createEventsStorage(subject);subject.on=eventsStorage.on;subject.off=eventsStorage.off;subject.fire=eventsStorage.fire;return subject};function createEventsStorage(subject){var registeredEvents=Object.create(null);return{on:function(eventName,callback,ctx){if(typeof callback!=="function"){throw new Error("callback is expected to be a function")}var handlers=registeredEvents[eventName];if(!handlers){handlers=registeredEvents[eventName]=[]}handlers.push({callback:callback,ctx:ctx});return subject},off:function(eventName,callback){var wantToRemoveAll=typeof eventName==="undefined";if(wantToRemoveAll){registeredEvents=Object.create(null);return subject}if(registeredEvents[eventName]){var deleteAllCallbacksForEvent=typeof callback!=="function";if(deleteAllCallbacksForEvent){delete registeredEvents[eventName]}else{var callbacks=registeredEvents[eventName];for(var i=0;i<callbacks.length;++i){if(callbacks[i].callback===callback){callbacks.splice(i,1)}}}}return subject},fire:function(eventName){var callbacks=registeredEvents[eventName];if(!callbacks){return subject}var fireArguments;if(arguments.length>1){fireArguments=Array.prototype.splice.call(arguments,1)}for(var i=0;i<callbacks.length;++i){var callbackInfo=callbacks[i];callbackInfo.callback.apply(callbackInfo.ctx,fireArguments)}return subject}}}function validateSubject(subject){if(!subject){throw new Error("Eventify cannot use falsy object as events subject")}var reservedWords=["on","fire","off"];for(var i=0;i<reservedWords.length;++i){if(subject.hasOwnProperty(reservedWords[i])){throw new Error("Subject cannot be eventified, since it already has property '"+reservedWords[i]+"'")}}}},{}]},{},[1])(1)});