@extra2001/compute-engine/dist/math-json.min.cjs

Symbolic computing and numeric evaluations for JavaScript and Node.js

/** MathJSON 0.28.0 */
    (function(global,factory){typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'],factory):(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.MathJson = {}));})(this, (function (exports) { 'use strict';
var MathJson=(()=>{var a=Object.defineProperty;var k=Object.getOwnPropertyDescriptor;var C=Object.getOwnPropertyNames;var x=Object.prototype.hasOwnProperty;var A=(n,t)=>{for(var i in t)a(n,i,{get:t[i],enumerable:!0})},w=(n,t,i,e)=>{if(t&&typeof t=="object"||typeof t=="function")for(let r of C(t))!x.call(n,r)&&r!==i&&a(n,r,{get:()=>t[r],enumerable:!(e=k(t,r))||e.enumerable});return n};var I=n=>w(a({},"__esModule",{value:!0}),n);var S={};A(S,{dictionaryFromExpression:()=>g,isFunctionObject:()=>u,isStringObject:()=>y,isSymbolObject:()=>f,mapArgs:()=>E,operand:()=>b,operator:()=>l,stringValue:()=>c,symbol:()=>m,version:()=>v});var o=class{static parse(t){let i=new h(t),e=i.parseValue();if(i.skipWhitespace(),!i.isAtEnd())throw i.error(`Unexpected token '${i.currentChar()}' after parsing complete value`);return e}},h=class{constructor(t){this.index=0;this.text=t}parseValue(){if(this.skipWhitespace(),this.isAtEnd())throw this.error("Unexpected end of input");let t=this.currentChar();return t==="{"?this.parseObject():t==="["?this.parseArray():t==='"'||t==="'"?this.parseString():t==="-"||t==="+"||t>="0"&&t<="9"||t==="."?this.parseNumber():this.parseIdentifier()}parseObject(){let t={};if(this.expectChar("{"),this.skipWhitespace(),this.currentChar()==="}")return this.index++,t;for(;;){this.skipWhitespace();let i,e=this.currentChar();e==='"'||e==="'"?i=this.parseString():i=this.parseIdentifier(),this.skipWhitespace(),this.expectChar(":"),this.skipWhitespace();let r=this.parseValue();if(t[i]=r,this.skipWhitespace(),this.currentChar()===","){if(this.index++,this.skipWhitespace(),this.currentChar()==="}"){this.index++;break}}else if(this.currentChar()==="}"){this.index++;break}else throw this.error(`Expected ',' or '}' in object but found '${this.currentChar()}'`)}return t}parseArray(){let t=[];if(this.expectChar("["),this.skipWhitespace(),this.currentChar()==="]")return this.index++,t;for(;;)if(this.skipWhitespace(),t.push(this.parseValue()),this.skipWhitespace(),this.currentChar()===","){if(this.index++,this.skipWhitespace(),this.currentChar()==="]"){this.index++;break}}else if(this.currentChar()==="]"){this.index++;break}else throw this.error(`Expected ',' or ']' in array but found '${this.currentChar()}'`);return t}parseString(){let t=this.currentChar();if(t!=='"'&&t!=="'")throw this.error(`String should start with a quote, got '${t}'`);this.index++;let i="";for(;!this.isAtEnd();){let e=this.currentChar();if(e===t)return this.index++,i;if(e==="\\"){if(this.index++,this.isAtEnd())throw this.error("Unterminated escape sequence in string");let r=this.currentChar();switch(r){case"b":i+="\b";break;case"f":i+="\f";break;case"n":i+=`
`;break;case"r":i+="\r";break;case"t":i+="	";break;case"v":i+="\v";break;case"\\":i+="\\";break;case"'":i+="'";break;case'"':i+='"';break;case"0":i+="\0";break;case"u":{this.index++;let s=this.text.substr(this.index,4);if(!/^[0-9a-fA-F]{4}$/.test(s))throw this.error(`Invalid Unicode escape sequence: \\u${s}`);i+=String.fromCharCode(parseInt(s,16)),this.index+=3;break}default:i+=r}this.index++}else i+=e,this.index++}throw this.error("Unterminated string literal")}parseNumber(){let t=this.index;if(this.text.startsWith("-Infinity",this.index))return this.index+=9,-1/0;if(this.text.startsWith("+Infinity",this.index))return this.index+=9,1/0;if(this.text.startsWith("Infinity",this.index))return this.index+=8,1/0;for(;!this.isAtEnd()&&/[0-9+\-_.eE]/.test(this.currentChar());)this.index++;let i=this.text.slice(t,this.index),e=i.replace(/_/g,""),r=Number(e);if(isNaN(r))throw this.error(`Invalid number: ${i}`);return r}parseIdentifier(){let t=this.index,i=this.currentChar();if(!/[a-zA-Z$_]/.test(i))throw this.error(`Unexpected token '${i}'`);for(this.index++;!this.isAtEnd();){let r=this.currentChar();if(!/[a-zA-Z0-9$_]/.test(r))break;this.index++}let e=this.text.slice(t,this.index);return e==="true"?!0:e==="false"?!1:e==="null"?null:e==="Infinity"?1/0:e==="NaN"?NaN:e}skipWhitespace(){for(;!this.isAtEnd();){let t=this.currentChar();if(/\s/.test(t)){this.index++;continue}if(t==="/"){let i=this.peekChar(1);if(i==="/"){for(this.index+=2;!this.isAtEnd()&&this.currentChar()!==`
`;)this.index++;continue}else if(i==="*"){for(this.index+=2;!this.isAtEnd()&&!(this.currentChar()==="*"&&this.peekChar(1)==="/");)this.index++;if(this.isAtEnd())throw this.error("Unterminated multi-line comment");this.index+=2;continue}}break}}expectChar(t){if(this.currentChar()!==t)throw this.error(`Expected '${t}' but found '${this.currentChar()}'`);this.index++}currentChar(){return this.text[this.index]}peekChar(t){return this.text[this.index+t]}isAtEnd(){return this.index>=this.text.length}error(t){return new Error(`${t} at position ${this.index}`)}};function f(n){return n!==null&&typeof n=="object"&&"sym"in n}function y(n){return n!==null&&typeof n=="object"&&"str"in n}function u(n){return n!==null&&typeof n=="object"&&"fn"in n}function c(n){return n==null?null:typeof n=="object"&&"str"in n?n.str:typeof n!="string"||n.length<2||n.at(0)!=="'"||n.at(-1)!=="'"?null:n.substring(1,n.length-1)}function l(n){return Array.isArray(n)?n[0]:n==null?"":u(n)?n.fn[0]:""}function p(n){return Array.isArray(n)?n.slice(1):n!==void 0&&u(n)?n.fn.slice(1):[]}function b(n,t){return Array.isArray(n)?n[t]??null:n===null||!u(n)?null:n.fn[t]??null}function N(n){return n==null?0:Array.isArray(n)?Math.max(0,n.length-1):u(n)?Math.max(0,n.fn.length-1):0}function m(n){if(typeof n=="string")return/^[+-]?[0-9\.]/.test(n)||n.length>=2&&n[0]==="'"&&n[n.length-1]==="'"?null:n;if(n==null)return null;let t=f(n)?n.sym:n;return typeof t!="string"?null:t}function d(n){let t=l(n);if(t==="KeyValuePair"||t==="Tuple"||t==="Pair"){let[i,e]=p(n),r=c(i);return r?[r,e??"Nothing"]:null}return null}function g(n){if(n===null)return null;if(typeof n=="object"&&!("sym"in n)&&!("num"in n)&&!("str"in n)&&!("fn"in n))return n;if(typeof n=="string"&&n[0]==="{"&&n[n.length-1]==="}")try{return o.parse(n)}catch{return null}let t=d(n);if(t)return{[t[0]]:t[1]};if(l(n)==="Dictionary"){let i={},e=p(n);for(let r=1;r<N(n);r++){let s=d(e[r]);s&&(i[s[0]]=s[1])}return i}return null}function E(n,t){let i=null;if(Array.isArray(n)&&(i=n),u(n)&&(i=n.fn),i===null)return[];let e=1,r=[];for(;e<i.length;)r.push(t(i[e])),e+=1;return r}var v="{{SDK_VERSION}}";return I(S);})();
Object.assign(exports, MathJson); Object.defineProperty(exports, '__esModule', { value: true });}));