weex-nuke/src/node_modules/nuke-dom/lib/index.js

基于 Rax 、Weex 的高性能组件体系 ~~

/** @jsx createElement */

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _rax = require('rax');

var isWeb = typeof callNative !== 'function';

function createEle(type) {
  var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var children = arguments[2];

  var el = document.createElement(type);
  if (children) {
    if (!Array.isArray(children)) {
      children = [children];
    }
    children.forEach(function (child) {
      child && el.appendChild(child);
    });
  }
  (0, _rax.setNativeProps)(el, opts);
  return el;
}
function append(ele) {
  document.body.appendChild(ele);
}
function ready(callback) {
  if (callback) {
    callbacks = callbacks || [];
    callbacks.push(callback);
  }

  if (document.body) {
    clearInterval(timer);
    timer = null;
    while (callbacks.length) {
      callbacks.shift()();
    }
  } else if (!timer) {
    timer = setInterval(bodyReady, 16);
  }
}

function getRect(ref) {
  return new Promise(function (resolve, reject) {
    var res = {
      width: null,
      height: null,
      isSuccess: false
    };
    if (!ref) {
      reject(res);
    }
    var domEl = (0, _rax.findDOMNode)(ref);
    if (domEl) {
      if (isWeb) {
        var size = domEl.getBoundingClientRect();
        resolve(_extends({
          isSuccess: true
        }, size));
      }
    } else {
      try {
        var dom = require('@weex-module/dom');
        dom.getComponentRect(domEl.ref, function (e) {
          if (e && e.size) {
            resolve(_extends({
              isSuccess: true
            }, e.size));
          } else {
            reject(res);
          }
        });
      } catch (e) {
        reject(res);
      }
    }
  });
}
exports.default = {
  createEle: createEle,
  append: append,
  ready: ready,
  getRect: getRect
};
module.exports = exports['default'];