在一个文件中,我在以下行中导出包的所有类:
export {default as BoundList, IBoundListOption, TBoundListFilterFn} from './list/BoundList';
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生成表格错误:
TS1205: Cannot re-export a type when the '--isolatedModules' flag is provided.
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我现在如何导出课程?
在CRA2.1中发生此问题。不得不强制执行isolatedModules = true。我正在CRA2.1上制作组件库
这是Typecript编译器诅咒的代码:
use(path: PathParams, ...handlers: RequestHandler[]): this
use(path: PathParams, ...handlers: RequestHandlerParams[]): this
use(...handlers: RequestHandler[]): this
use(...handlers: RequestHandlerParams[]): this {
// ...
return this;
}
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错误TS2394:重载签名与功能实现不兼容。
我不明白如何正确执行过载。你能告诉挖掘的方向吗?
我写了下面的代码。
var ajv = new require('ajv');
ajv.addKeyword('allowNull', {
type: 'null',
metaSchema: {
type: 'boolean'
},
compile: function(allowNullEnable, parentSchema) {
return function(data, dataPath, parentData) {
if (allowNullEnable) {
return true;
} else {
if (parentSchema.type == 'null') {
return true;
} else {
return data === null ? false : true;
}
}
}
}
});
var schema = {
type: "object",
properties: {
file: {
type: "string",
allowNull: true
}
}
};
var data = {
file: null
};
console.log(ajv.validate(schema, …Run Code Online (Sandbox Code Playgroud) 此代码导致错误,其文本如下:
function getHandler(handlers: number[] | string[]): any {
return handlers.map(handler => handler);
}
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错误文本:
错误 TS2349:无法调用类型缺少调用签名的表达式。类型 '{ (this: [string, string, string, string, string], callbackfn: (value: string, index: number, ...' 没有兼容的调用签名。