@hms-dbmi-bgm/react-workflow-viz/es/utilities.js

React component for visualizing CWL-like workflows and provenance graphs.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.cancelAnimationFrame = cancelAnimationFrame;
exports.requestAnimationFrame = requestAnimationFrame;
exports.roundScaled = roundScaled;

var _react = _interopRequireDefault(require("react"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

/**
 * Helper function for window.requestAnimationFrame. Falls back to browser-prefixed versions if default not available, or falls back to setTimeout with 0ms delay if no requestAnimationFrame available at all.
 *
 * @param {function} cb - Callback method.
 * @returns {undefined|string} Undefined or timeout ID if falling back to setTimeout.
 */
function requestAnimationFrame(cb) {
  if (
  /*!isServerSide() && */
  typeof window !== 'undefined') {
    if (typeof window.requestAnimationFrame !== 'undefined') return window.requestAnimationFrame(cb);
    if (typeof window.webkitRequestAnimationFrame !== 'undefined') return window.webkitRequestAnimationFrame(cb);
    if (typeof window.mozRequestAnimationFrame !== 'undefined') return window.mozRequestAnimationFrame(cb);
  }

  return setTimeout(cb, 0); // Mock it for old browsers and server-side.
}

function cancelAnimationFrame(identifier) {
  if (
  /*!isServerSide() && */
  typeof window !== 'undefined') {
    if (typeof window.cancelAnimationFrame !== 'undefined') return window.cancelAnimationFrame(identifier);
    if (typeof window.webkitCancelAnimationFrame !== 'undefined') return window.webkitCancelAnimationFrame(identifier);
    if (typeof window.mozCancelAnimationFrame !== 'undefined') return window.mozCancelAnimationFrame(identifier);
  }

  return clearTimeout(identifier); // Mock it for old browsers and server-side.
}

function roundScaled(value, scale) {
  var decimals = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 2;
  //shortcut - useful for most cases
  if (scale === 1) return value;
  var factor = Math.pow(10, decimals);
  return Math.round(value * scale * factor) / factor;
}