@antv/f2-graphic

--- package.json (entry) ---
{
  "name": "@antv/f2-graphic",
  "version": "0.0.16",
  "main": "lib/index.js",
  "module": "es/index.js",
  "types": "es/index.d.ts",
  "sideEffects": true,
  "dependencies": {
    "@antv/util": "~2.0.6",
    "@babel/runtime": "^7.12.5"
  },
  "homepage": "https://github.com/antvis/f2",
  "author": "https://github.com/orgs/antvis/people",
  "repository": {
    "type": "git",
    "url": "https://github.com/antvis/f2"
  },
  "bugs": {
    "url": "https://github.com/antvis/f2/issues"
  },
  "gitHead": "535dfbad4f9cd6e4496d0cae665c7dcd7a33052d"
}


--- index.js (entry) ---
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.BBox = void 0;
Object.defineProperty(exports, "Canvas", {
  enumerable: true,
  get: function get() {
    return _engine.Canvas;
  }
});
Object.defineProperty(exports, "Group", {
  enumerable: true,
  get: function get() {
    return _engine.Group;
  }
});
Object.defineProperty(exports, "Matrix", {
  enumerable: true,
  get: function get() {
    return _matrix.default;
  }
});
Object.defineProperty(exports, "Shape", {
  enumerable: true,
  get: function get() {
    return _engine.Shape;
  }
});
exports.Types = exports.Smooth = void 0;
Object.defineProperty(exports, "Vector2", {
  enumerable: true,
  get: function get() {
    return _vector.default;
  }
});
exports.createCanvas = createCanvas;
exports.getEngine = getEngine;
exports.registerEngine = registerEngine;
var _matrix = _interopRequireDefault(require("./util/matrix"));
var _vector = _interopRequireDefault(require("./util/vector2"));
var Smooth = _interopRequireWildcard(require("./util/smooth"));
exp

--- bundled output (OSV-MAL flagged — LLM scope expansion) ---

--- lib/engine/canvas-element.js (bundled) ---
"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _createSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/createSuper"));
var _emit = _interopRequireDefault(require("../event/emit"));
var CanvasElement = /*#__PURE__*/function (_EventEmit) {
  (0, _inherits2.default)(CanvasElement, _EventEmit);
  var _super = (0, _createSuper2.default)(CanvasElement);
  /* eslint-enable */
  function CanvasElement(ctx) {
    var _this;
    (0, _classCallCheck2.default)(this, CanvasElement);
    _this = _super.call(this);
    _this.context = ctx;
    // canvas实际的宽高 (width/height) * pixelRatio
    // 有可能是 node canvas 创建的 context 对象
    var canvas = ctx.canvas || {};
    _this.width = canvas.width || 0;
    _this.height = canvas.height || 0;
    _this.style = {};
    _this.currentStyle = {};
    _this.attrs = {};
    // 用来标识是CanvasElement实例
    _this.isCanvasElement = true;
    return _this;
  }
  (0, _createClass2.default)(CanvasElement, [{
    key: "getContext",
    value: function getContext( /* type */
    ) {
      return this.context;
    }
  }, {
    key: "getBoundingClientRect",
    value: function getBoundingClientRect() {
      var width = this.width;
      var height = this.height;
      // 默认都处理成可视窗口的顶部位置
      return {
        top: 0,
        right: width,
        bottom: height,
        left: 0
      };
    }
  }, {
    key: "setAttribute",
    value: function setAttribute(key, value) {
      this.attrs[key] = value;
    }
  }, {
    key: "addEventListener",
    value: function addEventListener(type, listener) {
      this.on(type, listener);
    

--- es/engine/canvas-element.js (bundled) ---
import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _createSuper from "@babel/runtime/helpers/esm/createSuper";
import EventEmit from '../event/emit';
var CanvasElement = /*#__PURE__*/function (_EventEmit) {
  _inherits(CanvasElement, _EventEmit);
  var _super = _createSuper(CanvasElement);
  /* eslint-enable */
  function CanvasElement(ctx) {
    var _this;
    _classCallCheck(this, CanvasElement);
    _this = _super.call(this);
    _this.context = ctx;
    // canvas实际的宽高 (width/height) * pixelRatio
    // 有可能是 node canvas 创建的 context 对象
    var canvas = ctx.canvas || {};
    _this.width = canvas.width || 0;
    _this.height = canvas.height || 0;
    _this.style = {};
    _this.currentStyle = {};
    _this.attrs = {};
    // 用来标识是CanvasElement实例
    _this.isCanvasElement = true;
    return _this;
  }
  _createClass(CanvasElement, [{
    key: "getContext",
    value: function getContext( /* type */
    ) {
      return this.context;
    }
  }, {
    key: "getBoundingClientRect",
    value: function getBoundingClientRect() {
      var width = this.width;
      var height = this.height;
      // 默认都处理成可视窗口的顶部位置
      return {
        top: 0,
        right: width,
        bottom: height,
        left: 0
      };
    }
  }, {
    key: "setAttribute",
    value: function setAttribute(key, value) {
      this.attrs[key] = value;
    }
  }, {
    key: "addEventListener",
    value: function addEventListener(type, listener) {
      this.on(type, listener);
    }
  }, {
    key: "removeEventListener",
    value: function removeEventListener(type, listener) {
      this.off(type, listener);
    }
  }, {
    key: "dispatchEvent",
    value: function dispatchEvent(type, e) {
      this.emit(type, e);
    }
  }]);
  return CanvasElement;
}(EventEmit);
function supportEventListener(canvas) {
  if (!canvas) {
    return false;