bob*_*e01 6 lint typescript angular
有没有办法解决这个错误而不必在文件中放置一个忽略?
运行命令时出错:
./node_modules/tslint/bin/tslint -p src/tsconfig.json --type-check src/app/app.component.spec.ts
[21, 5]: unused expression, expected an assignment or function call
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测试:
let chai = require('chai');
let expect = chai.expect;
import { AppComponent } from './app.component';
import { ComponentFixture, TestBed } from '@angular/core/testing';
describe('AppComponent', function() {
let testAppComponent: AppComponent;
let fixture: ComponentFixture<AppComponent>;
beforeEach(() => {
TestBed.configureTestingModule({
declarations: [AppComponent]
});
fixture = TestBed.createComponent(AppComponent);
testAppComponent = fixture.componentInstance;
});
it('should create the correct component', () => {
expect(testAppComponent instanceof AppComponent).to.be.true;
});
});
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你可能是这个意思:
expect(testAppComponent instanceof AppComponent).toBe(true);
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你在那里的表达式只是访问一堆属性,你需要某种函数调用才能真正做任何事情。
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