小编Dan*_*Dan的帖子

我有一个根据本文制作的自定义输入：medium.com：dont-reinvent-the-wheel。

这是我的代码，它处于严格模式 \xe2\x96\xbc

// input.component.ts\n\nimport { Component, Input, ViewChild } from \'@angular/core\';\nimport {\n    ControlContainer,\n    ControlValueAccessor,\n    FormControl,\n    FormControlDirective,\n    NG_VALUE_ACCESSOR\n} from \'@angular/forms\';\nimport {\n    FloatLabelType,\n    MatFormFieldAppearance\n} from \'@angular/material/form-field\';\n\n@Component({\n    selector: \'app-input\',\n    templateUrl: \'./input.component.html\',\n    styleUrls: [\'./input.component.scss\'],\n    providers: [\n        {\n            provide: NG_VALUE_ACCESSOR,\n            useExisting: InputComponent,\n            multi: true\n        }\n    ]\n})\nexport class InputComponent implements ControlValueAccessor {\n    isDisabled!: boolean;\n\n    @Input() isRequired!: boolean;\n\n    @Input() label!: string;\n\n    @Input() placeholder!: string;\n\n    @Input() readonly!: boolean;\n\n    @Input() appearance: MatFormFieldAppearance = \'fill\';\n\n    @Input() floatLabel: FloatLabelType = \'auto\';\n\n    @ViewChild(FormControlDirective, { static: true })\n …