react-tagcloud/lib/helpers.js

Tag/word cloud component for react

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.fontSizeConverter = void 0;
exports.keys = keys;
exports.omit = void 0;
exports.pick = pick;

/**
 * Computes appropriate font size of tag.
 */
var fontSizeConverter = function fontSizeConverter(count, min, max, minSize, maxSize) {
  if (max - min === 0) {
    // handle devision by zero
    return Math.round((minSize + maxSize) / 2);
  }

  return Math.round((count - min) * (maxSize - minSize) / (max - min) + minSize);
};
/**
 * Creates an object composed of not omitted object properties.
 */


exports.fontSizeConverter = fontSizeConverter;

var omit = function omit(obj, keys) {
  return Object.keys(obj).reduce(function (r, key) {
    if (!~keys.indexOf(key)) {
      r[key] = obj[key];
    }

    return r;
  }, {});
};
/**
 * Creates an object composed of the picked object properties.
 */


exports.omit = omit;

function pick(obj, keys) {
  return keys.reduce(function (picked, key) {
    picked[key] = obj[key];
    return picked;
  }, {});
}
/**
 * Returns an array of object keys.
 */


function keys(obj) {
  return Object.keys(obj);
}