@globalfishingwatch/react-map-gl/dist/esm/utils/transition/transition-interpolator.js

A React wrapper for MapboxGL-js and overlay API.

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import { equals } from '../math-utils';
import assert from '../assert';

var TransitionInterpolator = function () {
  function TransitionInterpolator() {
    _classCallCheck(this, TransitionInterpolator);

    _defineProperty(this, "propNames", []);
  }

  _createClass(TransitionInterpolator, [{
    key: "arePropsEqual",
    value: function arePropsEqual(currentProps, nextProps) {
      var _iterator = _createForOfIteratorHelper(this.propNames || []),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var key = _step.value;

          if (!equals(currentProps[key], nextProps[key])) {
            return false;
          }
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }

      return true;
    }
  }, {
    key: "initializeProps",
    value: function initializeProps(startProps, endProps) {
      return {
        start: startProps,
        end: endProps
      };
    }
  }, {
    key: "interpolateProps",
    value: function interpolateProps(startProps, endProps, t) {
      assert(false, 'interpolateProps is not implemented');
    }
  }, {
    key: "getDuration",
    value: function getDuration(startProps, endProps) {
      return endProps.transitionDuration;
    }
  }]);

  return TransitionInterpolator;
}();

export { TransitionInterpolator as default };
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