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pathfinder.js
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Volker Schukai authoredVolker Schukai authored
pathfinder.js 3.36 KiB
/** Monster 1.29.0, © 2021 schukai GmbH, Released under the AGPL 3.0 License. */
"use strict";import{assignToNamespace,Monster}from"../namespace.js";import{Base}from"../types/base.js";import{isArray,isInteger,isObject,isPrimitive}from"../types/is.js";import{Stack}from"../types/stack.js";import{validateInteger,validateString}from"../types/validate.js";const DELIMITER=".",WILDCARD="*";class Pathfinder extends Base{constructor(t){if(super(),isPrimitive(t))throw new Error("the parameter must not be a simple type");this.object=t,this.wildCard=WILDCARD}setWildCard(t){return validateString(t),this.wildCard=t,this}getVia(t){return getValueViaPath.call(this,this.object,validateString(t))}setVia(t,e){return validateString(t),setValueViaPath.call(this,this.object,t,e),this}deleteVia(t){return validateString(t),deleteValueViaPath.call(this,this.object,t),this}exists(t){validateString(t);try{return getValueViaPath.call(this,this.object,t,!0),!0}catch(t){}return!1}}function iterate(t,e,a){const i=new Map;if(isObject(t)||isArray(t))for(var[r,s]of Object.entries(t))i.set(r,getValueViaPath.call(this,s,e,a));else{var n=e.split(DELIMITER).shift();i.set(n,getValueViaPath.call(this,t,e,a))}return i}function getValueViaPath(e,t,a){if(""===t)return e;let i=t.split(DELIMITER),r=i.shift();if(r===this.wildCard)return iterate.call(this,e,i.join(DELIMITER),a);if(isObject(e)||isArray(e)){let t;if(e instanceof Map||e instanceof WeakMap)t=e.get(r);else if(e instanceof Set||e instanceof WeakSet)r=parseInt(r),validateInteger(r),t=[...e][r];else{if("function"==typeof WeakRef&&e instanceof WeakRef)throw Error("unsupported action for this data type");t=(isArray(e)&&(r=parseInt(r),validateInteger(r)),e?.[r])}if(isObject(t)||isArray(t))return getValueViaPath.call(this,t,i.join(DELIMITER),a);if(0<i.length)throw Error("the journey is not at its end ("+i.join(DELIMITER)+")");if(!0===a){a=Object.getOwnPropertyDescriptor(Object.getPrototypeOf(e),r);if(!e.hasOwnProperty(r)&&void 0===a)throw Error("unknown value")}return t}throw TypeError("unsupported type "+typeof e)}function setValueViaPath(e,t,a){validateString(t);let i=t.split(DELIMITER),r=i.pop();var s,t=i.join(DELIMITER);let n=new Stack,o=t;for(;;){try{getValueViaPath.call(this,e,o,!0);break}catch(t){}if(n.push(o),i.pop(),o=i.join(DELIMITER),""===o)break}for(;!n.isEmpty();){o=n.pop();let t={};n.isEmpty()||(s=n.peek().split(DELIMITER).pop(),isInteger(parseInt(s))&&(t=[])),setValueViaPath.call(this,e,o,t)}let l=getValueViaPath.call(this,e,t);if(!isObject(e)&&!isArray(e))throw TypeError("unsupported type: "+typeof e);if(l instanceof Map||l instanceof WeakMap)l.set(r,a);else if(l instanceof Set||l instanceof WeakSet)l.append(a);else{if("function"==typeof WeakRef&&l instanceof WeakRef)throw Error("unsupported action for this data type");isArray(l)&&(r=parseInt(r),validateInteger(r)),assignProperty(l,r,a)}}function assignProperty(t,e,a){t.hasOwnProperty(e)&&void 0===a&&delete t[e],t[e]=a}function deleteValueViaPath(t,e){const a=e.split(DELIMITER);let i=a.pop();e=a.join(DELIMITER);const r=getValueViaPath.call(this,t,e);if(r instanceof Map)r.delete(i);else{if(r instanceof Set||r instanceof WeakMap||r instanceof WeakSet||"function"==typeof WeakRef&&r instanceof WeakRef)throw Error("unsupported action for this data type");isArray(r)&&(i=parseInt(i),validateInteger(i)),delete r[i]}}assignToNamespace("Monster.Data",Pathfinder);export{DELIMITER,WILDCARD,Monster,Pathfinder};