all: implement form input file

The FormInput now can be set to FormInputKindFile that will rendered
as "<input type='file' ...>" on the web user interface.

Once submitted, the file name, type, size, and lastModification will
be stored under FormInput Filename, Filetype, Filesize, and Filemodms.

Implements: https://todo.sr.ht/~shulhan/trunks/1

1 files changed, 5 insertions, 0 deletions

diff --git a/_www/interface.ts b/_www/interface.ts
index 2b756b9..dc74fb5 100644
--- a/_www/interface.ts
+++ b/_www/interface.ts
@@ -9,6 +9,7 @@ export const CLASS_NAV_TARGET = "nav_target";
 export const HASH_ENVIRONMENT = "environment";
 export const HASH_LINKS = "links";
 
+export const FormInputKindFile = "file";
 export const FormInputKindNumber = "number";
 export const FormInputKindString = "string";
 
@@ -40,6 +41,10 @@ export interface FormInput {
   hint: string;
   kind: string;
   value: string;
+  filename: string;
+  filetype: string;
+  filesize: number;
+  filemodms: number;
   max?: number;
   min?: number;
 }