else { return token = SyntaxKind.ShebangTrivia; } } switch (ch) { case CharacterCodes.lineFeed: case CharacterCodes.carriageReturn: precedingLineBreak = true; if (skipTrivia) { pos++; continue; } else { if (ch === CharacterCodes.carriageReturn && pos + 1 < end && text.charCodeAt(pos...
AI代码解释 functiongetName(n){if(typeofn==='string'){returnn;}else{returnn();}} 如果我们要给这个n进行类型注解,那么它应该同时是string | () => string,是string类型和() => string函数类型的联合类型,有过一定开发经验的同学可能会发觉,这样写可能很影响原代码的可读性,而且这个n的类型可能会变化,...
lineStarts[line + 1] : typeof debugText === "string" && res > debugText.length ? debugText.length : res; } if (line < lineStarts.length - 1) { Debug.assert(res < lineStarts[line + 1]); } else if (debugText !== undefined) { Debug.assert(res <= debugText.length); // ...
_getNoResultFoundMessage(info), pos); } } else if (result.length === 1 && idxOfCurrent !== -1) { // 只有1条结果,直接跳转 let [current] = result; this._openReference(editor, editorService, current, false); } else { // 多条结果,去重并显示 this._onResult(editorService, editor,...
One common pain-point was that these narrowed types weren’t always preserved within function closures. Copy functiongetUrls(url: string | URL, names: string[]){if(typeofurl==="string") {url=newURL(url); }returnnames.map(name => {url.searchParams.set("name", name)// ~~~// error...
functioncalculateArea(shape:Shape){if('height'inshape){shape;// Type is Rectanglereturnshape.width*shape.height;}else{shape;// Type is Squarereturnshape.width*shape.width;}} This works because the property check only involves values available at runtime, but still allows the type checker to ...
if (typeof x === "bigint") { console.log("'x' is a bigint!"); } else { console.log("'x' is a floating-point number"); } } We’d like to extend a huge thanks toCaleb Sanderfor all the work on this feature. We’re grateful for the contribution, and we’re sure our us...
在编辑 WXML 文件时,WebStorm 可自动补全 wx 指令名称,包括 wx:for、wx:if、wx:elif、wx:else、wx:for-item、wx:for-index、wx:key 等,并且支持这些指令的语法高亮。 另外,事件是微信小程序框架里,视图层与逻辑层之间的通讯方式。WebStorm 能识别在 JavaScript 里声明的事件处理函数,并在编辑 WXML 的属性时...
Unused TypeScript code, such as theelseblock of anifstatement that is always true or an unreferenced import, is faded out in the editor: You can quickly remove this unused code by placing the cursor on it and triggering the Quick Fix command (⌘.(Windows, LinuxCtrl+.)) or clicking on...
["friends"],Person);}convertValues(a:any,classs:any,asMap:boolean=false):any{if(!a){returna;}if(a.slice){return(aasany[]).map(elem=>this.convertValues(elem,classs));}elseif("object"===typeofa){if(asMap){for(constkeyofObject.keys(a)){a[key]=newclasss(a[key]);}returna;}...