mutable-store/index.min.js

a mutable state management library for javascript

"use strict";var __values=this&&this.__values||function(o){var s=typeof Symbol==="function"&&Symbol.iterator,m=s&&o[s],i=0;if(m)return m.call(o);if(o&&typeof o.length==="number")return{next:function(){if(o&&i>=o.length)o=void 0;return{value:o&&o[i++],done:!o}}};throw new TypeError(s?"Object is not iterable.":"Symbol.iterator is not defined.")};Object.defineProperty(exports,"__esModule",{value:true});exports.Store=void 0;exports.getProps=getProps;exports.default=createMutableStore;function getProps(obj){var e_1,_a;var props=new Set;var builtins=[Object.prototype,Array.prototype,Function.prototype,String.prototype,Number.prototype,Boolean.prototype,Symbol.prototype,Date.prototype,RegExp.prototype,Map.prototype,Set.prototype,WeakMap.prototype,WeakSet.prototype,Promise.prototype,Error.prototype];while(obj&&!builtins.includes(obj)){try{for(var _b=(e_1=void 0,__values(Reflect.ownKeys(obj))),_c=_b.next();!_c.done;_c=_b.next()){var key=_c.value;if(key!=="constructor"){props.add(key)}}}catch(e_1_1){e_1={error:e_1_1}}finally{try{if(_c&&!_c.done&&(_a=_b.return))_a.call(_b)}finally{if(e_1)throw e_1.error}}obj=Object.getPrototypeOf(obj)}return Array.from(props)}function makePropsReadOnly(obj,keys){var e_2,_a;try{for(var keys_1=__values(keys),keys_1_1=keys_1.next();!keys_1_1.done;keys_1_1=keys_1.next()){var key=keys_1_1.value;if(Object.prototype.hasOwnProperty.call(obj,key)){Object.defineProperty(obj,key,{writable:false,configurable:false,enumerable:true})}else{if(process.env.NODE_ENV!=="production"){console.warn('Property "'.concat(String(key),'" does not exist on the object.'))}}}}catch(e_2_1){e_2={error:e_2_1}}finally{try{if(keys_1_1&&!keys_1_1.done&&(_a=keys_1.return))_a.call(keys_1)}finally{if(e_2)throw e_2.error}}return obj}function createMutableStore(mutableState){if(mutableState===null||typeof mutableState!=="object"){throw Error("mutableState must be an object")}var props=getProps(mutableState);if(props.includes("subscribe")){throw Error("subscribe is a reserved keyword for the store, please use another name for your property")}var subscriptions=new Set;var internalStoreUnSubs=new Set;var getInternalStores=function(){return props.filter(function(item){return mutableState[item].___thisIsAMutableStore___}).map(function(item){return mutableState[item]})};mutableState.___thisIsAMutableStore___=true;mutableState.___version___=1;var subscribe=function(fn){subscriptions.add(fn);return function(){subscriptions.delete(fn)}};mutableState.subscribe=subscribe;function callSubs(){try{subscriptions.forEach(function(fn){return fn()})}catch(e){if(process.env.NODE_ENV!=="production"){console.error(e)}}}function autoSubscribeToInternalStores(){getInternalStores().forEach(function(item){return internalStoreUnSubs.add(item.subscribe(function(){callSubs()}))})}autoSubscribeToInternalStores();props.forEach(function(prop){if(typeof mutableState[prop]==="function"&&prop.toString().startsWith("set_")){var originalMethod_1=mutableState[prop];mutableState[prop]=function(){var args=[];for(var _i=0;_i<arguments.length;_i++){args[_i]=arguments[_i]}var result=originalMethod_1.apply(mutableState,args);setTimeout(function(){callSubs();autoSubscribeToInternalStores()},0);return result}}});Object.preventExtensions(mutableState);makePropsReadOnly(mutableState,props.filter(function(item){var _a;return typeof mutableState[item]==="function"||((_a=mutableState[item])===null||_a===void 0?void 0:_a.___thisIsAMutableStore___)}));return mutableState}exports.Store=createMutableStore;