UNPKG

@cortex-js/compute-engine

Version:

Symbolic computing and numeric evaluations for JavaScript and Node.js

cortexjs.io/compute-engine/

cortex-js/compute-engine

3 lines (2 loc) • 2.23 kB
1
2
3
/** Compute Engine 0.58.0 */ function b(n){return n!==null&&typeof n=="object"&&"num"in n}function s(n){return n!==null&&typeof n=="object"&&"sym"in n}function f(n){return n!==null&&typeof n=="object"&&"str"in n}function M(n){return n!==null&&typeof n=="object"&&"dict"in n&&typeof n.dict=="object"&&!Array.isArray(n.dict)&&n.dict!==null}function r(n){return n!==null&&typeof n=="object"&&"fn"in n&&Array.isArray(n.fn)&&n.fn.length>0&&typeof n.fn[0]=="string"}function c(n){return n==null?null:typeof n=="object"&&"str"in n?n.str:typeof n!="string"?null:n.length>=2&&n.at(0)==="'"&&n.at(-1)==="'"?n.substring(1,n.length-1):j(n)||y(n)?null:n}function l(n){return Array.isArray(n)?n[0]:n==null?"":r(n)?n.fn[0]:""}function h(n){return Array.isArray(n)?n.slice(1):n!==void 0&&r(n)?n.fn.slice(1):[]}function d(n,t){return Array.isArray(n)?n[t]??null:n===null||!r(n)?null:n.fn[t]??null}function J(n){return n==null?0:Array.isArray(n)?Math.max(0,n.length-1):r(n)?Math.max(0,n.fn.length-1):0}function m(n){return typeof n=="string"&&y(n)?n.length>=2&&n.at(0)==="`"&&n.at(-1)==="`"?n.slice(1,-1):n:n==null?null:s(n)?n.sym:null}function a(n){let t=l(n);if(t==="KeyValuePair"||t==="Tuple"||t==="Pair"){let[i,o]=h(n),e=c(i);return e?[e,o??"Nothing"]:null}return null}function E(n){if(n===null)return null;if(M(n))return n;let t=a(n);if(t)return{[t[0]]:t[1]};if(l(n)==="Dictionary"){let i={},o=h(n);for(let e=1;e<J(n);e++){let u=a(o[e]);u&&(i[u[0]]=O(u[1])??"Nothing")}return{dict:i}}return null}function g(n,t){let i=null;if(Array.isArray(n)&&(i=n),r(n)&&(i=n.fn),i===null)return[];let o=1,e=[];for(;o<i.length;)e.push(t(i[o])),o+=1;return e}function j(n){return/^(nan|oo|\+oo|-oo|infinity|\+infinity|-infinity)$/i.test(n)||/^[+-]?(0|[1-9][0-9]*)(\.[0-9]+)?(\([0-9]+\))?([eE][+-]?[0-9]+)?$/.test(n)}function y(n){return/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(n)||n.length>=2&&n[0]==="`"&&n[n.length-1]==="`"}function O(n){return n==null?null:f(n)?n.str:b(n)?parseFloat(n.num):s(n)?n.sym:typeof n=="string"||typeof n=="number"?n:Array.isArray(n)?{fn:n}:n}var S="0.58.0";export{E as dictionaryFromExpression,r as isFunctionObject,f as isStringObject,s as isSymbolObject,g as mapArgs,d as operand,l as operator,c as stringValue,m as symbol,S as version};