@eva/react-eva-spine/es/index.js

React EVA是一个让开发同学能够在React技术体系下，利用EVA JS的游戏研发能力，开发动画、游戏类场景的框架。它可以让开发同学用熟悉的JSX和Hooks语法编写动画、游戏场景的代码。

import _extends from "@babel/runtime/helpers/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/objectWithoutPropertiesLoose";
import _inheritsLoose from "@babel/runtime/helpers/inheritsLoose";
var _excluded = ["src", "resource", "animationName", "loop", "autoPlay", "children", "components"];
import { useImperativeHandle, useRef, useMemo, forwardRef } from 'react';
import { addSystem, EvaRefObject, useComponent, useResource, ResourceType, useComponents } from '@eva/react-eva';
import { Spine as SpineComponent, SpineSystem } from '@eva/plugin-renderer-spine';
addSystem(new SpineSystem());
export var SpineRefObject = /*#__PURE__*/function (_EvaRefObject) {
  _inheritsLoose(SpineRefObject, _EvaRefObject);

  function SpineRefObject(_ref) {
    return _EvaRefObject.call(this, _ref) || this;
  }

  var _proto = SpineRefObject.prototype;

  _proto.play = function play(animationName, loop) {
    var Spine = this.Spine;
    Spine.play(animationName, loop);
    return this;
  };

  _proto.stop = function stop() {
    var Spine = this.Spine;
    Spine.stop();
    return this;
  };

  _proto.on = function on(eventName, fn) {
    var Spine = this.Spine;
    Spine.on(eventName, fn);
    return this;
  };

  _proto.off = function off(eventName, fn) {
    var Spine = this.Spine;
    Spine.off(eventName, fn);
    return this;
  };

  _proto.once = function once(eventName, fn) {
    var Spine = this.Spine;
    Spine.once(eventName, fn);
    return this;
  };

  return SpineRefObject;
}(EvaRefObject);
export function useSpineResource(_ref2) {
  var _image$match;

  var name = _ref2.name,
      image = _ref2.image,
      ske = _ref2.ske,
      atlas = _ref2.atlas;
  var imageType = typeof image === 'string' ? ((_image$match = image.match(/\.(png|jpg|jpeg)/)) === null || _image$match === void 0 ? void 0 : _image$match[1]) || 'png' : image.type;
  var imageUrl = typeof image === 'string' ? image : image.url;
  var skeType = typeof ske === 'string' ? 'json' : ske.type;
  var skeUrl = typeof ske === 'string' ? ske : ske.url;
  var atlasType = typeof atlas === 'string' ? 'atlas' : atlas.type;
  var atlasUrl = typeof atlas === 'string' ? atlas : atlas.url;
  var src = useMemo(function () {
    return {
      image: {
        type: imageType,
        url: imageUrl
      },
      ske: {
        type: skeType,
        url: skeUrl
      },
      atlas: {
        type: atlasType,
        url: atlasUrl
      }
    };
  }, [imageUrl, skeUrl, atlasUrl]);
  return useResource({
    name: name,
    type: ResourceType.SPINE,
    src: src
  });
}
export function useSpine(_ref3) {
  var resource = _ref3.resource,
      animationName = _ref3.animationName,
      _ref3$loop = _ref3.loop,
      loop = _ref3$loop === void 0 ? false : _ref3$loop,
      _ref3$autoPlay = _ref3.autoPlay,
      autoPlay = _ref3$autoPlay === void 0 ? false : _ref3$autoPlay;
  var component = useComponent(SpineComponent, {
    resource: resource,
    animationName: animationName,
    autoPlay: autoPlay
  });
  useMemo(function () {
    if (component.animationName) {
      component.stop();
    }

    component.resource = resource;
    component.animationName = animationName;

    if (autoPlay) {
      component.play(animationName, loop);
    }
  }, [resource, animationName, loop, autoPlay]);
  return component;
}
var Spine = /*#__PURE__*/forwardRef(function (_ref4, ref) {
  var src = _ref4.src,
      resource = _ref4.resource,
      animationName = _ref4.animationName,
      loop = _ref4.loop,
      autoPlay = _ref4.autoPlay,
      children = _ref4.children,
      _ref4$components = _ref4.components,
      components = _ref4$components === void 0 ? [] : _ref4$components,
      props = _objectWithoutPropertiesLoose(_ref4, _excluded);

  var _ref = useRef(null);

  useImperativeHandle(ref, function () {
    return new SpineRefObject(_ref);
  }, []);

  if (src) {
    resource = useSpineResource(src);
  }

  var component = useSpine({
    resource: resource,
    animationName: animationName,
    loop: loop,
    autoPlay: autoPlay
  });

  var _components = useComponents.apply(void 0, [component].concat(components));

  return /*#__PURE__*/React.createElement("gameobject", _extends({
    ref: _ref,
    components: _components
  }, props), children);
});
export default Spine;