aiwrapper/dist/lang/json/extract-json.js

A Universal AI Wrapper for JavaScript & TypeScript

import { Jsonic } from "jsonic";
function tryToGetJSONFromText(str) {
  let startIndex = -1;
  let endIndex = -1;
  let expectedClosingBracket;
  for (let i = 0; i < str.length; i++) {
    if (str[i] === "{") {
      expectedClosingBracket = "}";
      startIndex = i;
      break;
    }
    if (str[i] === "[") {
      expectedClosingBracket = "]";
      startIndex = i;
      break;
    }
  }
  if (expectedClosingBracket === void 0) {
    return null;
  }
  for (let i = str.length - 1; i >= 0; i--) {
    if (str[i] === expectedClosingBracket) {
      endIndex = i;
      break;
    }
    if (i === 0) {
      return null;
    }
  }
  if (startIndex === -1 || endIndex === -1) {
    return null;
  }
  return str.slice(startIndex, endIndex + 1);
}
function extractJSON(str, verbose = false) {
  const possilbeJsonStr = tryToGetJSONFromText(str);
  if (possilbeJsonStr === null) {
    if (verbose) {
      console.error("Failed to extract JSON from the string: " + str);
    }
    return null;
  }
  let jsonObj;
  try {
    jsonObj = JSON.parse(possilbeJsonStr);
  } catch (e) {
    if (verbose) {
      console.error("Failed to parse JSON");
      console.log(possilbeJsonStr);
      console.log(
        "Will try to parse it with a less strict JSON parser (jsonic)"
      );
    }
    try {
      jsonObj = Jsonic(possilbeJsonStr);
    } catch (e2) {
      if (verbose) {
        console.error("Failed to parse JSON with jsonic as well.");
      }
      jsonObj = null;
    }
  }
  return jsonObj;
}
export {
  extractJSON as default
};
//# sourceMappingURL=extract-json.js.map