@stryke/json/dist/utils/parse.mjs

A package containing JSON parsing/stringify utilities used by Storm Software.

import{stripComments as s}from"./strip-comments";const o=/"(?:_|\\u0{2}5[Ff]){2}(?:p|\\u0{2}70)(?:r|\\u0{2}72)(?:o|\\u0{2}6[Ff])(?:t|\\u0{2}74)(?:o|\\u0{2}6[Ff])(?:_|\\u0{2}5[Ff]){2}"\s*:/,u=/"(?:c|\\u0063)(?:o|\\u006[Ff])(?:n|\\u006[Ee])(?:s|\\u0073)(?:t|\\u0074)(?:r|\\u0072)(?:u|\\u0075)(?:c|\\u0063)(?:t|\\u0074)(?:o|\\u006[Ff])(?:r|\\u0072)"\s*:/,i=/^\s*["[{]|^\s*-?\d{1,16}(?:\.\d{1,17})?(?:E[+-]?\d+)?\s*$/i;function c(t,n){if(t==="__proto__"||t==="constructor"&&n&&typeof n=="object"&&"prototype"in n){console.warn(`Dropping "${t}" key to prevent prototype pollution.`);return}return n}export function parse(t,n={}){if(typeof t!="string")return t;let r=s(t);if(r[0]==='"'&&r[r.length-1]==='"'&&!r.includes("\\"))return r.slice(1,-1);if(r=r.trim(),r.length<=9)switch(r.toLowerCase()){case"true":return!0;case"false":return!1;case"undefined":return;case"null":return null;case"nan":return Number.NaN;case"infinity":return Number.POSITIVE_INFINITY;case"-infinity":return Number.NEGATIVE_INFINITY}if(!i.test(r)){if(n.strict)throw new Error("Invalid JSON");return r}try{if(o.test(r)||u.test(r)){if(n.strict)throw new Error("Possible prototype pollution");return JSON.parse(r,c)}return JSON.parse(r)}catch(e){if(n.strict)throw e;return t}}export function safeParse(t,n={}){return parse(t,{...n,strict:!0})}