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

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.parse = parse;
exports.safeParse = safeParse;
var _stripComments = require("./strip-comments.cjs");
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;
}
function parse(t, n = {}) {
  if (typeof t != "string") return t;
  let r = (0, _stripComments.stripComments)(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;
  }
}
function safeParse(t, n = {}) {
  return parse(t, {
    ...n,
    strict: !0
  });
}