baizn / g6-in-react Goto Github PK

const dataUrl = "http://127.0.0.1:8000/visg6/json_res";

fetch(dataUrl)  //fdata is a promise
    .then(response => response.json())
    .then(data => {
      setData(data.message)
      console.log("fetched data is:", data); //**能看到**
    },[]);
console.log('---yk--- from server:', data);// **并不会渲染，**


if (!graph) {
  graph = new G6.Graph({
    container: ReactDOM.findDOMNode(ref.current),
    width: 1200,
    height: 800,
    modes: {
      default: ['drag-canvas'],
    },
    layout: {
      type: 'dagre',
      direction: 'LR',
    },
    defaultNode: {
      type: 'node',
      labelCfg: {
        style: {
          fill: '#000000A6',
          fontSize: 10,
        },
      },
      style: {
        stroke: '#72CC4A',
        width: 150,
      },
    },
    defaultEdge: {
      type: 'polyline',
    },
  });
}
graph.data(data);
graph.render();

		// First, run the linter.
		// It's important to do this before Babel processes the JS.
		{
			test: /\.(js|mjs|jsx|ts|tsx)$/,
			enforce: 'pre',
			use: [
				{
					options: {
						formatter: require.resolve('react-dev-utils/eslintFormatter'),
						eslintPath: require.resolve('eslint')
					},
					loader: require.resolve('eslint-loader')
				}
			],
			include: paths.appSrc
		},
		{
			// "oneOf" will traverse all following loaders until one will
			// match the requirements. When no loader matches it will fall
			// back to the "file" loader at the end of the loader list.
			oneOf: [
				// "url" loader works like "file" loader except that it embeds assets
				// smaller than specified limit in bytes as data URLs to avoid requests.
				// A missing `test` is equivalent to a match.
				{
					test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
					loader: require.resolve('url-loader'),
					options: {
						limit: 10000,
						name: 'static/media/[name].[hash:8].[ext]'
					}
				},
				// Process application JS with Babel.
				// The preset includes JSX, Flow, TypeScript, and some ESnext features.
				{
					test: /\.(js|mjs|jsx|ts|tsx)$/,
					include: [paths.appSrc, paths.appNodeModules+ '/@antv/g6'],
					loader: require.resolve('babel-loader'),
					options: {
						customize: require.resolve('babel-preset-react-app/webpack-overrides'),

						plugins: [
							[
								require.resolve('babel-plugin-named-asset-import'),
								{
									loaderMap: {
										svg: {
											ReactComponent: '@svgr/webpack?-svgo,+ref![path]'
										}
									}
								}
							]
						],
						// This is a feature of `babel-loader` for webpack (not Babel itself).
						// It enables caching results in ./node_modules/.cache/babel-loader/
						// directory for faster rebuilds.
						cacheDirectory: true,
						cacheCompression: isEnvProduction,
						compact: isEnvProduction
					}
				},
				// Process any JS outside of the app with Babel.
				// Unlike the application JS, we only compile the standard ES features.
				{
					test: /\.(js|mjs)$/,
					exclude: /@babel(?:\/|\\{1,2})runtime/,
					loader: require.resolve('babel-loader'),
					options: {
						babelrc: false,
						configFile: false,
						compact: false,
						presets: [[require.resolve('babel-preset-react-app/dependencies'), { helpers: true }]],
						cacheDirectory: true,
						cacheCompression: isEnvProduction,

						// If an error happens in a package, it's possible to be
						// because it was compiled. Thus, we don't want the browser
						// debugger to show the original code. Instead, the code
						// being evaluated would be much more helpful.
						sourceMaps: false
					}
				},
				// "postcss" loader applies autoprefixer to our CSS.
				// "css" loader resolves paths in CSS and adds assets as dependencies.
				// "style" loader turns CSS into JS modules that inject <style> tags.
				// In production, we use MiniCSSExtractPlugin to extract that CSS
				// to a file, but in development "style" loader enables hot editing
				// of CSS.
				// By default we support CSS Modules with the extension .module.css
				{
					test: cssRegex,
					exclude: cssModuleRegex,
					use: getStyleLoaders({
						importLoaders: 1,
						sourceMap: isEnvProduction && shouldUseSourceMap
					}),
					// Don't consider CSS imports dead code even if the
					// containing package claims to have no side effects.
					// Remove this when webpack adds a warning or an error for this.
					// See https://github.com/webpack/webpack/issues/6571
					sideEffects: true
				},
				// Adds support for CSS Modules (https://github.com/css-modules/css-modules)
				// using the extension .module.css
				{
					test: cssModuleRegex,
					use: getStyleLoaders({
						importLoaders: 1,
						sourceMap: isEnvProduction && shouldUseSourceMap,
						modules: true,
						getLocalIdent: getCSSModuleLocalIdent
					})
				},
				// Opt-in support for SASS (using .scss or .sass extensions).
				// By default we support SASS Modules with the
				// extensions .module.scss or .module.sass
				{
					test: sassRegex,
					exclude: sassModuleRegex,
					use: getStyleLoaders(
						{
							importLoaders: 2,
							sourceMap: isEnvProduction && shouldUseSourceMap
						},
						'sass-loader'
					),
					// Don't consider CSS imports dead code even if the
					// containing package claims to have no side effects.
					// Remove this when webpack adds a warning or an error for this.
					// See https://github.com/webpack/webpack/issues/6571
					sideEffects: true
				},
				// Adds support for CSS Modules, but using SASS
				// using the extension .module.scss or .module.sass
				{
					test: sassModuleRegex,
					use: getStyleLoaders(
						{
							importLoaders: 2,
							sourceMap: isEnvProduction && shouldUseSourceMap,
							modules: true,
							getLocalIdent: getCSSModuleLocalIdent
						},
						'sass-loader'
					)
				},
				{
					test: lessRegex,
					exclude: lessModuleRegex,
					use: getStyleLoaders(
						{
							importLoaders: 2,
							sourceMap: isEnvProduction && shouldUseSourceMap
						},
						'less-loader'
					),
					// Don't consider CSS imports dead code even if the
					// containing package claims to have no side effects.
					// Remove this when webpack adds a warning or an error for this.
					// See https://github.com/webpack/webpack/issues/6571
					sideEffects: true
				},
				// Adds support for CSS Modules, but using SASS
				// using the extension .module.scss or .module.sass
				{
					test: lessModuleRegex,
					use: getStyleLoaders(
						{
							importLoaders: 2,
							sourceMap: isEnvProduction && shouldUseSourceMap,
							modules: true,
							getLocalIdent: getCSSModuleLocalIdent
						},
						'less-loader'
					)
				},
				// "file" loader makes sure those assets get served by WebpackDevServer.
				// When you `import` an asset, you get its (virtual) filename.
				// In production, they would get copied to the `build` folder.
				// This loader doesn't use a "test" so it will catch all modules
				// that fall through the other loaders.
				{
					loader: require.resolve('file-loader'),
					// Exclude `js` files to keep "css" loader working as it injects
					// its runtime that would otherwise be processed through "file" loader.
					// Also exclude `html` and `json` extensions so they get processed
					// by webpacks internal loaders.
					exclude: [/\.(js|mjs|jsx|ts|tsx)$/, /\.html$/, /\.json$/],
					options: {
						name: 'static/media/[name].[hash:8].[ext]'
					}
				}
				// ** STOP ** Are you adding a new loader?
				// Make sure to add the new loader(s) before the "file" loader.
			]
		}
	]
},
plugins: [
	// Generates an `index.html` file with the <script> injected.
	new HtmlWebpackPlugin(
		Object.assign(
			{},
			{
				inject: true,
				template: paths.appHtml
			},
			isEnvProduction
				? {
						minify: {
							removeComments: true,
							collapseWhitespace: true,
							removeRedundantAttributes: true,
							useShortDoctype: true,
							removeEmptyAttributes: true,
							removeStyleLinkTypeAttributes: true,
							keepClosingSlash: true,
							minifyJS: true,
							minifyCSS: true,
							minifyURLs: true
						}
				  }
				: undefined
		)
	),
	// 使用默认配置
	// isEnvProduction && new BundleAnalyzerPlugin(),
	// Inlines the webpack runtime script. This script is too small to warrant
	// a network request.
	isEnvProduction && shouldInlineRuntimeChunk && new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime~.+[.]js/]),
	// Makes some environment variables available in index.html.
	// The public URL is available as %PUBLIC_URL% in index.html, e.g.:
	// <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
	// In production, it will be an empty string unless you specify "homepage"
	// in `package.json`, in which case it will be the pathname of that URL.
	// In development, this will be an empty string.
	new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),
	// This gives some necessary context to module not found errors, such as
	// the requesting resource.
	new ModuleNotFoundPlugin(paths.appPath),
	// Makes some environment variables available to the JS code, for example:
	// if (process.env.NODE_ENV === 'production') { ... }. See `./env.js`.
	// It is absolutely essential that NODE_ENV is set to production
	// during a production build.
	// Otherwise React will be compiled in the very slow development mode.
	new webpack.DefinePlugin(env.stringified),
	// This is necessary to emit hot updates (currently CSS only):
	isEnvDevelopment && new webpack.HotModuleReplacementPlugin(),
	// Watcher doesn't work well if you mistype casing in a path so we use
	// a plugin that prints an error when you attempt to do this.
	// See https://github.com/facebook/create-react-app/issues/240
	isEnvDevelopment && new CaseSensitivePathsPlugin(),
	// If you require a missing module and then `npm install` it, you still have
	// to restart the development server for Webpack to discover it. This plugin
	// makes the discovery automatic so you don't have to restart.
	// See https://github.com/facebook/create-react-app/issues/186
	isEnvDevelopment && new WatchMissingNodeModulesPlugin(paths.appNodeModules),
	isEnvProduction &&
		new MiniCssExtractPlugin({
			// Options similar to the same options in webpackOptions.output
			// both options are optional
			filename: 'static/css/[name].[contenthash:8].css',
			chunkFilename: 'static/css/[name].[contenthash:8].chunk.css'
		}),
	// Generate a manifest file which contains a mapping of all asset filenames
	// to their corresponding output file so that tools can pick it up without
	// having to parse `index.html`.
	new ManifestPlugin({
		fileName: 'asset-manifest.json',
		publicPath: publicPath,
		generate: (seed, files) => {
			const manifestFiles = files.reduce(function (manifest, file) {
				manifest[file.name] = file.path;
				return manifest;
			}, seed);

			return {
				files: manifestFiles
			};
		}
	}),
	// Moment.js is an extremely popular library that bundles large locale files
	// by default due to how Webpack interprets its code. This is a practical
	// solution that requires the user to opt into importing specific locales.
	// https://github.com/jmblog/how-to-optimize-momentjs-with-webpack
	// You can remove this if you don't use Moment.js:
	new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
	// Generate a service worker script that will precache, and keep up to date,
	// the HTML & assets that are part of the Webpack build.
	isEnvProduction &&
		new WorkboxWebpackPlugin.GenerateSW({
			clientsClaim: true,
			exclude: [/\.map$/, /asset-manifest\.json$/],
			importWorkboxFrom: 'cdn',
			navigateFallback: publicUrl + '/index.html',
			navigateFallbackBlacklist: [
				// Exclude URLs starting with /_, as they're likely an API call
				new RegExp('^/_'),
				// Exclude URLs containing a dot, as they're likely a resource in
				// public/ and not a SPA route
				new RegExp('/[^/]+\\.[^/]+$')
			]
		}),
	// TypeScript type checking
	useTypeScript &&
		new ForkTsCheckerWebpackPlugin({
			typescript: resolve.sync('typescript', {
				basedir: paths.appNodeModules
			}),
			async: isEnvDevelopment,
			useTypescriptIncrementalApi: true,
			checkSyntacticErrors: true,
			resolveModuleNameModule: process.versions.pnp ? `${__dirname}/pnpTs.js` : undefined,
			resolveTypeReferenceDirectiveModule: process.versions.pnp ? `${__dirname}/pnpTs.js` : undefined,
			tsconfig: paths.appTsConfig,
			reportFiles: ['**', '!**/__tests__/**', '!**/?(*.)(spec|test).*', '!**/src/setupProxy.*', '!**/src/setupTests.*'],
			watch: paths.appSrc,
			silent: true,
			// The formatter is invoked directly in WebpackDevServerUtils during development
			formatter: isEnvProduction ? typescriptFormatter : undefined
		})
].filter(Boolean),
// Some libraries import Node modules but don't use them in the browser.
// Tell Webpack to provide empty mocks for them so importing them works.
node: {
	module: 'empty',
	dgram: 'empty',
	dns: 'mock',
	fs: 'empty',
	http2: 'empty',
	net: 'empty',
	tls: 'empty',
	child_process: 'empty'
},
// Turn off performance processing because we utilize
// our own hints via the FileSizeReporter
performance: false