cerceis-lib/dist/object/index.mjs

Contains list of quality of life functions that is written in TypeScript and es6

// src/object/index.ts
var _isObj = (x) => Object.prototype.toString.call(x) === "[object Object]";
var _isNumber = (x) => Object.prototype.toString.call(x) === "[object Number]";
var FromObject = {
  /**
   * Convert an object into a 2D array ([[key, value], ...]).
   * @param inputObj Input object.
   */
  ObjectToArray(inputObj) {
    return Object.keys(inputObj).map((key) => [key, inputObj[key]]);
  },
  /**
   * Flatten a multi-level object into a single level.
   * Duplicate keys are given a generated ID when overwriteKey is false.
   * @param obj Object to flatten.
   * @param overwriteKey Overwrite duplicate keys (default false).
   */
  flatten(obj, overwriteKey = false) {
    if (Object.keys(obj).length === 0) return {};
    const rs = {};
    const genId = () => (Date.now() / 1e3 | 0).toString(16) + "xxxxxxxxxxxxxxxx".replace(/x/g, () => (Math.random() * 16 | 0).toString(16));
    const recurse = (o) => {
      for (const key in o) {
        const val = o[key];
        if (_isObj(val)) {
          recurse(val);
        } else if (key in rs && !overwriteKey) {
          rs[genId()] = val;
        } else {
          rs[key] = val;
        }
      }
    };
    recurse(obj);
    return rs;
  },
  /**
   * Find and return the deepest nested object.
   * Returns the first deepest object found; or all if multi = true.
   * @param obj Input object.
   * @param multi Return all objects at the deepest level.
   */
  getDeepest(obj, multi = false) {
    if (Object.keys(obj).length === 0) return {};
    let deepest = 0;
    let rs = {};
    const rsMulti = {};
    const recurse = (o, depth = 0) => {
      depth++;
      if (depth > deepest) {
        deepest = depth;
        rs = o;
        if (multi) rsMulti[depth] = [o];
      } else if (depth === deepest && multi) {
        if (!rsMulti[depth]) rsMulti[depth] = [];
        rsMulti[depth].push(o);
      }
      for (const key in o) {
        const val = o[key];
        if (_isObj(val)) recurse(val, depth);
      }
    };
    recurse(obj);
    return multi ? rsMulti[deepest] ?? [] : rs;
  },
  /**
   * Sum all numeric values in an object (supports single-level nesting via field).
   * @param obj Input object.
   * @param field Target field when values are nested objects.
   */
  sumAll(obj, field = "") {
    let sum = 0;
    for (const prop in obj) {
      const raw = obj[prop];
      const t = field !== "" ? raw[field] : raw;
      if (!_isNumber(t)) throw new Error(`Value of property "${prop}" is not a number.`);
      sum += t;
    }
    return sum;
  },
  /**
   * Find the maximum numeric value in an object.
   * @param obj Input object.
   * @param field Target field when values are nested objects.
   */
  max(obj, field = "") {
    let max = -Infinity;
    for (const prop in obj) {
      const raw = obj[prop];
      const t = field !== "" ? raw[field] : raw;
      if (!_isNumber(t)) throw new Error(`Value of property "${prop}" is not a number.`);
      if (t > max) max = t;
    }
    return max;
  },
  /**
   * Find the minimum numeric value in an object.
   * @param obj Input object.
   * @param field Target field when values are nested objects.
   */
  min(obj, field = "") {
    let min = null;
    for (const prop in obj) {
      const raw = obj[prop];
      const t = field !== "" ? raw[field] : raw;
      if (!_isNumber(t)) throw new Error(`Value of property "${prop}" is not a number.`);
      if (min === null || t < min) min = t;
    }
    return min;
  }
};
export {
  FromObject
};
//# sourceMappingURL=index.mjs.map