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Add FormDataEvent #36217

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Add FormDataEvent#36217
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BugA bug in TypeScriptDomain: lib.d.tsThe issue relates to the different libraries shipped with TypeScript
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Backlog

Description

@naokikimura
Naoki KIMURA (naokikimura)
opened on Jan 16, 2020

TypeScript Version: Nightly

Search Terms:

  • FormDataEvent
  • HTMLFormElement: formdata event
  • GlobalEventHandlers.onformdata

Expected behavior:

No errors. Behave as specified by WHATWG.

Actual behavior:

Error Cannot find name 'FormDataEvent'.(2304)

Related Issues:

Code

let e: FormDataEvent;
Output 
"use strict";
let e;
Compiler Options 
{
  "compilerOptions": {
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "strictBindCallApply": true,
    "noImplicitThis": true,
    "noImplicitReturns": true,
    "useDefineForClassFields": false,
    "alwaysStrict": true,
    "allowUnreachableCode": false,
    "allowUnusedLabels": false,
    "downlevelIteration": false,
    "noEmitHelpers": false,
    "noLib": false,
    "noStrictGenericChecks": false,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "esModuleInterop": true,
    "preserveConstEnums": false,
    "removeComments": false,
    "skipLibCheck": false,
    "checkJs": false,
    "allowJs": false,
    "declaration": true,
    "experimentalDecorators": false,
    "emitDecoratorMetadata": false,
    "target": "ES2017",
    "module": "ESNext"
  }
}

Playground Link: Provided

Activity

  1. Ryan Cavanaugh (RyanCavanaugh)
    added
    BugA bug in TypeScript
    Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScript
    on Feb 6, 2020
  2. Ryan Cavanaugh (RyanCavanaugh)
    added this to the Backlog milestone on Feb 6, 2020

  3. adriengibrat commented on Mar 18, 2020

    @adriengibrat
    Adrien Gibrat (adriengibrat)
    on Mar 18, 2020
    Contributor
    interface FormDataEvent extends Event {
    readonly formData: FormData;
};
interface FormDataEventInit extends EventInit {
    formData: FormData;
};
declare var FormDataEvent: {
    prototype: FormDataEvent;
    new(type: string, eventInitDict?: FormDataEventInit): FormDataEvent;
};

  4. meidlinga commented on Aug 5, 2022

    @meidlinga
    meidlinga
    on Aug 5, 2022

    Hello,

    is there any ETA for this issue?

  5. jakebailey commented on Jul 9, 2023

    @jakebailey
    Jake Bailey (jakebailey)
    on Jul 9, 2023
    Member

    This was pulled into main in #44684, so is present in TS 4.4 and above. Playground Link

  6. Jake Bailey (jakebailey)
    closed this as completedon Jul 9, 2023
  7. microsoft
    locked as resolved and limited conversation to collaborators on Oct 21, 2025
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