@teamix/typography/lib/_util/raf.js

文本的基本格式

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports["default"] = wrapperRaf;

var _raf = _interopRequireDefault(require("rc-util/lib/raf"));

var id = 0;
var ids = {}; // Support call raf with delay specified frame

function wrapperRaf(callback, delayFrames) {
  if (delayFrames === void 0) {
    delayFrames = 1;
  }

  var myId = id++;
  var restFrames = delayFrames;

  function internalCallback() {
    restFrames -= 1;

    if (restFrames <= 0) {
      callback();
      delete ids[myId];
    } else {
      ids[myId] = (0, _raf["default"])(internalCallback);
    }
  }

  ids[myId] = (0, _raf["default"])(internalCallback);
  return myId;
}

wrapperRaf.cancel = function cancel(pid) {
  if (pid === undefined) return;

  _raf["default"].cancel(ids[pid]);

  delete ids[pid];
};

wrapperRaf.ids = ids; // export this for test usage