5 lines
26 KiB
JSON
5 lines
26 KiB
JSON
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{
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"id": "api/forms/AsyncValidatorFn",
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"title": "AsyncValidatorFn",
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"contents": "\n\n<article>\n <div class=\"breadcrumb-container\">\n <div class=\"breadcrumb\">\n <script type=\"application/ld+json\">\n {\n \"@context\": \"http://schema.org\",\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [\n { \"@type\": \"ListItem\", \"position\": 1, \"item\": { \"@id\": \"https://angular.io//api\", \"name\": \"API\" } },\n { \"@type\": \"ListItem\", \"position\": 2, \"item\": { \"@id\": \"https://angular.io/api/forms\", \"name\": \"@angular/forms\" } },\n { \"@type\": \"ListItem\", \"position\": 3, \"item\": { \"@id\": \"https://angular.io/api/forms/AsyncValidatorFn\", \"name\": \"AsyncValidatorFn\" } }\n ]\n }\n </script>\n <a href=\"/api\">API</a> > <a href=\"api/forms\">@angular/forms</a>\n </div>\n <div class=\"github-links\">\n <a href=\"https://github.com/angular/angular/edit/master/packages/forms/src/directives/validators.ts?message=docs(forms)%3A%20describe%20your%20change...#L497-L507\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/forms/src/directives/validators.ts#L497-L507\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n </div>\n \n <header class=\"api-header\">\n <h1 id=\"asyncvalidatorfn\">AsyncValidatorFn<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/forms/AsyncValidatorFn#asyncvalidatorfn\"><i class=\"material-icons\">link</i></a></h1>\n \n <label class=\"api-type-label interface\">interface</label>\n \n \n \n </header>\n \n <aio-toc class=\"embedded\"></aio-toc>\n\n <div class=\"api-body\">\n \n <section class=\"short-description\">\n <p>A function that receives a control and returns a Promise or observable\nthat emits validation errors if present, otherwise null.</p>\n\n \n </section>\n \n \n <section class=\"interface-overview\">\n<code-example language=\"ts\" hidecopy=\"true\">\ninterface <a href=\"api/forms/AsyncValidatorFn\" class=\"code-anchor\">AsyncValidatorFn</a> {\n <a class=\"code-anchor\" href=\"api/forms/AsyncValidatorFn#call\"><span class=\"member-name\"></span>(control: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null></a>\n}\n</code-example>\n\n \n \n\n\n \n \n\n</section>\n\n \n\n \n \n \n\n \n\n<section class=\"instance-methods\">\n <h2 id=\"methods\">Methods<a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/forms/AsyncValidatorFn#methods\"><i class=\"material-icons\">link</i></a></h2>\n \n <a id=\"call\"></a>\n<table class=\"is-full-width method-table instance-method\">\n <thead><tr><th>\n <div class=\"with-github-links\">\n <h3 id=\"call-signature\">\n <i>call signature</i>\n \n <a title=\"Link to this heading\" class=\"header-link\" aria-hidden=\"true\" href=\"api/forms/AsyncValidatorFn#call-signature\"><i class=\"material-icons\">link</i></a></h3>\n <div class=\"github-links\">\n <a href=\"https://github.com/angular/angular/edit/master/packages/forms/src/directives/validators.ts?message=docs(forms)%3A%20describe%20your%20change...#L506-L506\" aria-label=\"Suggest Edits\" title=\"Suggest Edits\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">mode_edit</i></a>\n <a href=\"https://github.com/angular/angular/tree/12.0.0-next.7/packages/forms/src/directives/validators.ts#L506-L506\" aria-label=\"View Source\" title=\"View Source\"><i class=\"material-icons\" aria-hidden=\"true\" role=\"img\">code</i></a>\n</div>\n </div>\n </th></tr></thead>\n <tbody>\n \n \n <tr>\n <td>\n <div class=\"overload-info\">\n \n\n <code-example language=\"ts\" hidecopy=\"true\" class=\"no-box api-heading\"><span class=\"member-name\"></span>(control: <a href=\"api/forms/Abstract
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}
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