btcpayserver/BTCPayServer/Views/Shared/Forms/InputElement.cshtml

@using BTCPayServer.Abstractions.Form
@using Newtonsoft.Json.Linq
@model BTCPayServer.Abstractions.Form.Field
@{
    if (Model is not HtmlInputField field)
    {
        field = JObject.FromObject(Model).ToObject<HtmlInputField>();
    }
}
<div class="form-group">
    @if (field.Required)
    {
        <label class="form-label" for="@field.Name" data-required>
            @field.Label
        </label>
    }
    else
    {
        <label class="form-label" for="@field.Name">
            @field.Label
        </label>
    }

    <input class="form-control @(field.IsValid() ? "" : "is-invalid")" id="@field.Name" type="@field.Type" required="@field.Required" name="@field.Name" value="@field.Value" aria-describedby="@("HelpText" + field.Name)"/>
    @if (!string.IsNullOrEmpty(field.HelpText))
    {
        <small id="@("HelpText" + field.Name)" class="form-text text-muted">
            @field.HelpText
        </small>
    }


</div>