tiny-essentials
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Collection of small, essential scripts designed to be used across various projects. These simple utilities are crafted for speed, ease of use, and versatility.
1 lines • 12.4 kB
JavaScript
(()=>{"use strict";var e={d:(t,r)=>{for(var n in r)e.o(r,n)&&!e.o(t,n)&&Object.defineProperty(t,n,{enumerable:!0,get:r[n]})},o:(e,t)=>Object.prototype.hasOwnProperty.call(e,t)},t={};function r(e){return null!==e&&"object"==typeof e&&!Array.isArray(e)&&"[object Object]"===Object.prototype.toString.call(e)}e.d(t,{TinyLocalStorage:()=>l});const n=class{#e=new Map;#t=10;#r=!1;setThrowOnMaxListeners(e){if("boolean"!=typeof e)throw new TypeError("setThrowOnMaxListeners(value): value must be a boolean");this.#r=e}getThrowOnMaxListeners(){return this.#r}#n(e,t,{once:r=!1}={}){let n=this.#e.get(e);Array.isArray(n)||(n=[],this.#e.set(e,n)),n.unshift({handler:t,config:{once:r}});const s=this.#t;if(s>0&&n.length>s){const t=`Possible memory leak detected. ${n.length} "${e}" listeners added. Use setMaxListeners() to increase limit.`;if(this.#r)throw new Error(t);console.warn(t)}}prependListener(e,t){if("string"!=typeof e)throw new TypeError("prepend(event, handler): event name must be a string");if("function"!=typeof t)throw new TypeError("prepend(event, handler): handler must be a function");this.#n(e,t)}prependListenerOnce(e,t){if("string"!=typeof e)throw new TypeError("prependOnceListener(event, handler): event name must be a string");if("function"!=typeof t)throw new TypeError("prependOnceListener(event, handler): handler must be a function");const r=(...n)=>{this.off(e,r),t(...n)};return this.#n(e,r,{once:!0}),r}#s(e,t,{once:r=!1}={}){let n=this.#e.get(e);Array.isArray(n)||(n=[],this.#e.set(e,n)),n.push({handler:t,config:{once:r}});const s=this.#t;if(s>0&&n.length>s){const t=`Possible memory leak detected. ${n.length} "${e}" listeners added. Use setMaxListeners() to increase limit.`;if(this.#r)throw new Error(t);console.warn(t)}}on(e,t){if("string"!=typeof e)throw new TypeError("on(event, handler): event name must be a string");if("function"!=typeof t)throw new TypeError("on(event, handler): handler must be a function");return this.#s(e,t)}once(e,t){if("string"!=typeof e)throw new TypeError("The event name must be a string.");if("function"!=typeof t)throw new TypeError("once(event, handler): handler must be a function");const r=n=>{this.off(e,r),"function"==typeof t&&t(n)};return this.#s(e,r,{once:!0}),r}appendListener(e,t){return this.on(e,t)}appendListenerOnce(e,t){return this.once(e,t)}off(e,t){if("string"!=typeof e)throw new TypeError("off(event, handler): event name must be a string");if("function"!=typeof t)throw new TypeError("off(event, handler): handler must be a function");const r=this.#e.get(e);if(!Array.isArray(r))return;const n=r.findIndex(e=>e.handler===t);-1!==n&&r.splice(n,1),0===r.length&&this.#e.delete(e)}offAll(e){if("string"!=typeof e)throw new TypeError("The event name must be a string.");this.#e.delete(e)}offAllTypes(){this.#e.clear()}listenerCount(e){if("string"!=typeof e)throw new TypeError("listenerCount(event): event name must be a string");const t=this.#e.get(e);return Array.isArray(t)?t.length:0}listeners(e){if("string"!=typeof e)throw new TypeError("listeners(event): event name must be a string");const t=this.#e.get(e);return Array.isArray(t)?[...t].filter(e=>!e.config.once).map(e=>e.handler):[]}onceListeners(e){if("string"!=typeof e)throw new TypeError("onceListeners(event): event name must be a string");const t=this.#e.get(e);return Array.isArray(t)?[...t].filter(e=>e.config.once).map(e=>e.handler):[]}allListeners(e){if("string"!=typeof e)throw new TypeError("allListeners(event): event name must be a string");const t=this.#e.get(e);return Array.isArray(t)?[...t].map(e=>e.handler):[]}eventNames(){return[...this.#e.keys()]}emit(e,...t){if("string"!=typeof e)throw new TypeError("emit(event, data): event name must be a string");const r=this.#e.get(e);return!(!Array.isArray(r)||0===r.length||(r.forEach(e=>e.handler(...t)),0))}setMaxListeners(e){if(!Number.isInteger(e)||e<0)throw new TypeError("setMaxListeners(n): n must be a non-negative integer");this.#t=e}getMaxListeners(){return this.#t}},s=new Map,o=new Map,i=new Set(["string","boolean","number","object","array",String,Boolean,Number,Object,Array,BigInt,Symbol]);class a{#o=new n;setThrowOnMaxListeners(e){return this.#o.setThrowOnMaxListeners(e)}getThrowOnMaxListeners(){return this.#o.getThrowOnMaxListeners()}prependListener(e,t){return this.#o.prependListener(e,t)}prependListenerOnce(e,t){return this.#o.prependListenerOnce(e,t)}appendListener(e,t){return this.#o.appendListener(e,t)}appendListenerOnce(e,t){return this.#o.appendListenerOnce(e,t)}on(e,t){return this.#o.on(e,t)}once(e,t){return this.#o.once(e,t)}off(e,t){return this.#o.off(e,t)}offAll(e){return this.#o.offAll(e)}offAllTypes(){return this.#o.offAllTypes()}listenerCount(e){return this.#o.listenerCount(e)}listeners(e){return this.#o.listeners(e)}onceListeners(e){return this.#o.onceListeners(e)}allListeners(e){return this.#o.allListeners(e)}eventNames(){return this.#o.eventNames()}emit(e,...t){return this.#o.emit(e,...t)}setMaxListeners(e){return this.#o.setMaxListeners(e)}getMaxListeners(){return this.#o.getMaxListeners()}static hasJsonType(e){return s.has(e)&&o.has(e)||i.has(e)}static registerJsonType(e,t,r,n=!1){if(i.has(e))throw new Error(`Cannot register type "${e}" because it is frozen.`);s.set(e,t),o.set(e,r),n&&i.add(e)}static deleteJsonType(e){if(i.has(e))throw new Error(`Cannot remove type "${e}" because it is frozen.`);let t=!1;return s.delete(e)&&(t=!0),o.delete(e)&&(t=!0),t}static encodeSpecialJson(e){if(void 0===e)return{__undefined__:!0};if(null===e)return{__null__:!0};for(const[t,r]of s.entries())if("string"!=typeof t&&e instanceof t||typeof e===t)return r(e,a.encodeSpecialJson);if(Array.isArray(e))return e.map(a.encodeSpecialJson);if(r(e)){const t={};for(const r in e)t[r]=a.encodeSpecialJson(e[r]);return t}return e}static decodeSpecialJson(e){const t=r(e);if(t){if(e.__undefined__)return;if(e.__null__)return null}if(Array.isArray(e))return e.map(a.decodeSpecialJson);if(t){for(const[t,r]of o.entries())if(r.check&&r.check(e))return r.decode(e,a.decodeSpecialJson);const t={};for(const r in e)t[r]=a.decodeSpecialJson(e[r]);return t}return e}#i=window.localStorage;#a=null;#l=0;#c=e=>this.emit("storage",e);constructor(e){if(void 0!==e&&"string"!=typeof e)throw new TypeError("TinyLocalStorage: dbName must be a string if provided.");"string"==typeof e&&(this.#a=`LSDB::${e}`),window.addEventListener("storage",this.#c)}#h(e){if("string"==typeof e&&e.startsWith("LSDB::"))throw new Error(`TinyLocalStorage: Key "${e}" may conflict with reserved dbKeys.`)}updateStorageVersion(e,t){if("string"!=typeof this.#a)throw new Error("TinyLocalStorage: Database key is not initialized. Set a valid dbName in the constructor.");if("number"!=typeof e||Number.isNaN(e)||e<1)throw new TypeError("TinyLocalStorage: version must be a positive number.");if("function"!=typeof t)throw new TypeError("TinyLocalStorage: onUpgrade must be a function.");const r=parseInt(localStorage.getItem(this.#a),10)||0;if("number"!=typeof r||Number.isNaN(r)||r<0)throw new TypeError("TinyLocalStorage: saved version in localStorage is not a valid number.");if(e<r)throw new Error(`TinyLocalStorage: Cannot downgrade database version from ${r} to ${e}.`);e>r&&(t(r,e),localStorage.setItem(this.#a,String(e)),this.#l=e)}getDbKey(){return this.#a}getVersion(){return this.#l}setLocalStorage(e){if(!(e instanceof Storage))throw new TypeError("Argument must be a valid instance of Storage.");this.#i=e}localStorageExists(){return this.#i instanceof Storage}#y(e,t){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");return a.encodeSpecialJson(t)}setJson(e,t){if(this.#h(e),!(r(t)||Array.isArray(t)||t instanceof Map||t instanceof Set))throw new TypeError("The storage value is not a valid JSON-compatible structure.");const n=this.#y(e,t);return this.emit("setJson",e,t),this.#i.setItem(e,JSON.stringify(n))}#g(e,t){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");const r=this.#i.getItem(e),n={obj:()=>({}),array:()=>[],map:()=>new Map,set:()=>new Set},s="function"==typeof n[t]?n[t]():null;let o;try{o=JSON.parse(r)}catch{return s}return{decoded:a.decodeSpecialJson(o),fallback:s}}getJson(e,t){const{decoded:n,fallback:s}=this.#g(e,t);return n instanceof Map||n instanceof Set||Array.isArray(n)||r(n)?n:s}setDate(e,t){if(this.#h(e),!(t instanceof Date))throw new TypeError("Value must be a Date.");const r=this.#y(e,t);return this.emit("setDate",e,t),this.#i.setItem(e,JSON.stringify(r))}getDate(e){const t=this.#g(e).decoded;return t instanceof Date?t:null}setRegExp(e,t){if(this.#h(e),!(t instanceof RegExp))throw new TypeError("Value must be a RegExp.");const r=this.#y(e,t);return this.emit("setRegExp",e,t),this.#i.setItem(e,JSON.stringify(r))}getRegExp(e){const t=this.#g(e).decoded;return t instanceof RegExp?t:null}setBigInt(e,t){if(this.#h(e),"bigint"!=typeof t)throw new TypeError("Value must be a BigInt.");const r=this.#y(e,t);return this.emit("setBigInt",e,t),this.#i.setItem(e,JSON.stringify(r))}getBigInt(e){const t=this.#g(e).decoded;return"bigint"==typeof t?t:null}setSymbol(e,t){if(this.#h(e),"symbol"!=typeof t)throw new TypeError("Value must be a Symbol.");const r=this.#y(e,t);return this.emit("setSymbol",e,t),this.#i.setItem(e,JSON.stringify(r))}getSymbol(e){const t=this.#g(e).decoded;return"symbol"==typeof t?t:null}getValue(e){return this.#g(e).decoded??null}setItem(e,t){if(this.#h(e),"string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");return this.emit("setItem",e,t),this.#i.setItem(e,t)}getItem(e){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");return this.#i.getItem(e)}setString(e,t){if(this.#h(e),"string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");if("string"!=typeof t)throw new TypeError("Value must be a string.");return this.emit("setString",e,t),this.#i.setItem(e,JSON.stringify({__string__:!0,value:t}))}getString(e){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");let t=this.#i.getItem(e);try{if(t=JSON.parse(t),!r(t)||!t.__string__||"string"!=typeof t.value)return null;t=t.value}catch{t=null}return"string"==typeof t?t:null}setNumber(e,t){if(this.#h(e),"string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");if("number"!=typeof t)throw new TypeError("Value must be a number.");return this.emit("setNumber",e,t),this.#i.setItem(e,String(t))}getNumber(e){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");let t=this.#i.getItem(e);return"number"==typeof t||"string"==typeof t&&t.length>0&&(t=parseFloat(t),!Number.isNaN(t))?t:null}setBool(e,t){if(this.#h(e),"string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");if("boolean"!=typeof t)throw new TypeError("Value must be a boolean.");return this.emit("setBool",e,t),this.#i.setItem(e,String(t))}getBool(e){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");const t=this.#i.getItem(e);if("boolean"==typeof t)return t;if("string"==typeof t){if("true"===t)return!0;if("false"===t)return!1}return null}removeItem(e){if("string"!=typeof e||!e.length)throw new TypeError("Key must be a non-empty string.");return this.emit("removeItem",e),this.#i.removeItem(e)}clearLocalStorage(){return this.#i.clear()}destroy(){window.removeEventListener("storage",this.#c),this.#o.offAllTypes()}}a.registerJsonType(Map,(e,t)=>({__map__:!0,data:Array.from(e.entries()).map(([e,r])=>[e,t(r)])}),{check:e=>e.__map__,decode:(e,t)=>new Map(e.data.map(([e,r])=>[e,t(r)]))},!0),a.registerJsonType(Set,(e,t)=>({__set__:!0,data:Array.from(e).map(t)}),{check:e=>e.__set__,decode:(e,t)=>new Set(e.data.map(t))},!0),a.registerJsonType(Date,e=>({__date__:!0,value:e.toISOString()}),{check:e=>e.__date__,decode:e=>new Date(e.value)},!0),a.registerJsonType(RegExp,e=>({__regexp__:!0,source:e.source,flags:e.flags}),{check:e=>e.__regexp__,decode:e=>new RegExp(e.source,e.flags)},!0),a.registerJsonType("bigint",e=>({__bigint__:!0,value:e.toString()}),{check:e=>e.__bigint__,decode:e=>BigInt(e.value)},!0),a.registerJsonType("symbol",e=>({__symbol__:!0,key:Symbol.keyFor(e)??e.description??null}),{check:e=>e.__symbol__,decode:e=>{const t=e.key;return null!=t?Symbol.for(t):Symbol()}},!0);const l=a;window.TinyLocalStorage=t.TinyLocalStorage})();