exportasyncfunctionreadTextFile(file:File){constreader=newFileReader();reader.readAsText(file);returnnewPromise((resolve,reject)=>{reader.onload=()=>resolve(reader.result);reader.onerror=()=>reject(reader.error);});}exportasyncfunctionreadBinaryFile(file:File){constreader=newFileReader();reader.r...
reader.readAsText(file); } }; return ( <div> <input type="file" onChange={handleFileChange} /> <pre>{fileContent}</pre> </div> ); }; export default FileInput; 在上述代码中,我们定义了一个名为FileInput的函数组件。它包含一个<input type="file">元素和一个<pre>元素,用于显示文件内容。
You can read and write files in TypeScript using the “fs” module, which is a Node module containing methods for file system operations. The module is very versatile and provides a lot of different ways of reading from and writing to files, so in this article, I’ll talk you through t...
接下来,使用reader对象的readAsText方法读取文件。readAsText方法接受一个File对象作为参数,该对象可以通过input元素的files属性获取: 代码语言:txt 复制 const fileInput = document.getElementById("fileInput") as HTMLInputElement; const file = fileInput.files[0]; reader.readAsText(file); 当r...
export function readFileText(path: string): string { if (buffering) { const action = buffer.get(path); if (action) { switch (action.type) { case "create": return ensureString(action.content); case "rename": return readFileText(action.newPath); case "delete": throw new HandledError("...
exportasyncfunctiongraphQLTypes():Promise<void>{constschemaStr =awaitreadFile(GRAPHQL_SCHEMA_PATH,'utf8')constschema = buildSchema(schemaStr)constresult = (awaitgraphql(schema, introspectionQuery))as{data: IntrospectionQuery }constformatOptions = (awaitresolveConfig(__dirname, {config: __dirname +...
在下文中一共展示了fs.readFile方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。 示例1: processFile privateasyncprocessFile(file: File):Promise<File> {if(file.path !==this.entrypoint) {returnfile; ...
WebStorm shows hints for numeric enums to make your code easier to read. These hints are retrieved from the TypeScript Language Service and are displayed by default. Hide numeric enum values Open the Settings dialog (CtrlAlt0S) and go to Editor | Inlay Hints. Expand the Values node an...
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“smarter” about these sorts of patterns. In TypeScript 3.1, for any function declaration orconstdeclaration that’s initialized with a function, the type-checker will analyze the containing scope to track any added properties. That means that both of the examples – both ourreadFileas well ...