):string{letscopedPerformanceLogger=createPerformanceLogger();//存在runnales里runnables[appKey]={componentProvider,run:appParameters=>{//运行run的时候,开始执行渲染。renderApplication(componentProviderInstrumentationHook(co
We can use theuseCallbackhook to fix this.useCallbackmemoizes the function that's passed in, so that a new function is only returned when one of the hook dependencies changes. 我们可以使用useCallback钩子来解决这个问题。useCallback会记住传入的函数,以便仅当挂钩依赖项之一发生更改时才返回新函数。
describe: '包名', type: 'string', demand: false, // 非必需,没有提供包名列举所有模块的版本清单 }, }; exports.handler = function () { /** 1、解析命令参数 */ /** 2、获取版本日志,输出控制台 */ };
};export const stringify = (token) => { if (isString(token)) { return token; } if (isBlank(token)) { return String(token); } const ret = token.toString(); const newLineIndex = ret.indexOf('\n'); return (newLineIndex === -1) ? ret : ret.substring(0, newLineIndex); };e...
// packages\react-dom\src\client\ReactDOMComponent.js line 308 function setInitialDOMProperties( tag: string, domElement: Element, rootContainerElement: Element | Document, nextProps: Object, isCustomComponentTag: boolean, ): void { for (const propKey in nextProps) { ...
{relativePath:string} > =(node, option) =>{const{ stop } =doJSXPathName(node.name)if(stop)return{ stop }const{ relativePath } = option// 写入行号constlineAttr =jsxAttribute(jsxIdentifier('data-inspector-line'),stringLiteral(node.loc.start.line.toString()), ...
public class MainApplication extends Application implements ReactApplication { private final ReactNativeHost mReactNativeHost = new ReactNativeHost(this) { @Override protected boolean getUseDeveloperSupport() { return BuildConfig.DEBUG; } @Override protected String getJSBundleFile()...
Type: string Allowed values: flex-start center flex-end See align-items. <Box alignItems="flex-start"> <Box marginRight={1}> <Text>X</Text> </Box> <Text> A <Newline/> B <Newline/> C </Text> </Box> // X A // B // C <Box alignItems="center"> <Box marginRight={1}...
[content, setContent] = useState<string>('Hello world!'); useEffect(() => { if (!ref.current) return; //实例化引擎 const engine = new Engine(ref.current); //设置编辑器值 engine.setValue(content); //监听编辑器值改变事件 engine.on('change', () => { const value = engine.getValue...
/** 处理 React.lazy */ case REACT_LAZY_TYPE: fiberTag = LazyComponent; resolvedType = null; break getTag; } } let info = ''; throw new Error( 'Element type is invalid: expected a string (for built-in ' + 'components) or a class/function (for composite components) ' + `but go...