@fluentui/react-northstar/dist/es/components/Debug/utils.js

A themable React component library.

import _concat from "lodash/concat";
import _isNil from "lodash/isNil";
import _toLower from "lodash/toLower";
/**
 * Check whether source includes target ignoring case.
 */
export var includes = function includes(source, target) {
  return _toLower(source).indexOf(_toLower(target)) !== -1;
};

/**
 * Checks whether the key or the value of data[key] contains the search string.
 */
export var find = function find(data, key, search) {
  var value = data[key];
  return search !== '' && (includes(key, search) || typeof value !== 'object' && !_isNil(value) && includes(value, search));
};

/**
 * Checks if the data[key] is primitive and override in the overrides object.
 */
export var isOverridden = function isOverridden(data, key, overrides) {
  return typeof data[key] !== 'object' && !!overrides && overrides[key] !== null && overrides[key] !== undefined;
};

/**
 * Helper recursive function for the filter method.
 */
var filterR = function filterR(search, data) {
  var result = false;
  Object.keys(data).forEach(function (key) {
    var value = data[key];
    if (find(data, key, search)) {
      result = true;
    }

    // If the value is object invoke again
    if (typeof value === 'object' && filterR(search, value)) {
      result = true;
    }
  });
  return result;
};

/**
 * Filters the data for the value string (if it appears in the key or value). Considers nested objects.
 */
export var filter = function filter(data, value) {
  return Object.keys(data).filter(function (key) {
    if (find(data, key, value)) {
      return true;
    }

    // if the value is object invoke again
    if (typeof data[key] === 'object' && data[key] !== null) {
      return filterR(value, data[key]);
    }
    return false;
  }).reduce(function (obj, key) {
    obj[key] = data[key];
    return obj;
  }, {});
};

/**
 * Returns array of values that matches the predicate. Considers nested objects.
 */
export var getValues = function getValues(value, predicate) {
  if (_isNil(value)) {
    return [];
  }
  if (typeof value === 'string') {
    if (predicate(value)) {
      return [value];
    }
  }
  if (typeof value === 'object') {
    var arr = [];
    Object.keys(value).forEach(function (key) {
      arr = _concat(arr, getValues(value[key], predicate));
    });
    return arr;
  }
  return [];
};

/**
 * Removes null values from an object. Considers nested objects.
 */
export var removeNulls = function removeNulls(o) {
  if (typeof o !== 'object' && o !== null) {
    return o;
  }
  var result = {};
  Object.keys(o).forEach(function (k) {
    if (!o[k] || typeof o[k] !== 'object') {
      if (o[k]) {
        result[k] = o[k]; // If not null or not an object, copy value
      }
    } else {
      // The property is an object
      var val = removeNulls(o[k]);
      if (typeof val === 'object' && val != null && Object.keys(val).length > 0) {
        result[k] = val;
      }
    }
  });
  return result;
};
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