Node / ReticulumProjects / MeshChatX.git / files / meshchatx / src / frontend / js / clipboardUtils.js

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T8b949e/**

* Clipboard helpers for browsers without a secure context (e.g. http://0.0.0.0:8000)

* where navigator.clipboard may be missing or reject.

*/

T8b949e/**

* Browsers set `false` on http://0.0.0.0 and similar. `undefined` in some test envs is treated as allowed.

* @returns {boolean}

*/

Tff7b72export Tff7b72function Te6edf3isWindowSecureContextTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72typeof Tffa657window Tff7b72=== Ta5d6ff"undefined"Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72return Tffa657windowTb4b4b4.Te6edf3isSecureContext Tff7b72!== Tff7b72falseTb4b4b4;

Tb4b4b4}

T8b949e/**

* Whether async clipboard read is expected to work (secure context + API present).

* @returns {boolean}

*/

Tff7b72export Tff7b72function Te6edf3canUseAsyncClipboardReadTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72return Tb4b4b4(

Tff7b72typeof Te6edf3navigator Tff7b72!== Ta5d6ff"undefined" Tff7b72&&

Tff7b72!Tff7b72!Te6edf3navigatorTb4b4b4.Te6edf3clipboard Tff7b72&&

Tff7b72typeof Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3readText Tff7b72=== Ta5d6ff"function" Tff7b72&&

Te6edf3isWindowSecureContextTb4b4b4(Tb4b4b4)

Tb4b4b4)Tb4b4b4;

Tb4b4b4}

T8b949e/**

* Whether async clipboard image write is expected to work.

* @returns {boolean}

*/

Tff7b72export Tff7b72function Te6edf3canUseAsyncClipboardImageWriteTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72return Tb4b4b4(

Tff7b72typeof Te6edf3navigator Tff7b72!== Ta5d6ff"undefined" Tff7b72&&

Tff7b72!Tff7b72!Te6edf3navigatorTb4b4b4.Te6edf3clipboard Tff7b72&&

Tff7b72typeof Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3write Tff7b72=== Ta5d6ff"function" Tff7b72&&

Tff7b72typeof Te6edf3ClipboardItem Tff7b72!== Ta5d6ff"undefined" Tff7b72&&

Te6edf3isWindowSecureContextTb4b4b4(Tb4b4b4)

Tb4b4b4)Tb4b4b4;

Tb4b4b4}

T8b949e/**

* @param {string} text

* @returns {Promise<boolean>}

*/

Tff7b72export Tff7b72async Tff7b72function Te6edf3copyTextToClipboardTb4b4b4(Te6edf3textTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3text Tff7b72== Tff7b72null Tff7b72|| Te6edf3text Tff7b72=== Ta5d6ff""Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72const Te6edf3s Tff7b72= Tffa657StringTb4b4b4(Te6edf3textTb4b4b4)Tb4b4b4;

Tff7b72if Tb4b4b4(Tff7b72typeof Te6edf3navigator Tff7b72!== Ta5d6ff"undefined" Tff7b72&& Te6edf3navigatorTb4b4b4.Te6edf3clipboardTff7b72?Tb4b4b4.Te6edf3writeTextTb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72await Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3writeTextTb4b4b4(Te6edf3sTb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72trueTb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

T8b949e// fall through to execCommand

Tb4b4b4}

Tb4b4b4}

Tff7b72try Tb4b4b4{

Tff7b72const Te6edf3ta Tff7b72= Tffa657documentTb4b4b4.Te6edf3createElementTb4b4b4(Ta5d6ff"textarea"Tb4b4b4)Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3value Tff7b72= Te6edf3sTb4b4b4;

Te6edf3taTb4b4b4.Te6edf3setAttributeTb4b4b4(Ta5d6ff"readonly"Tb4b4b4, Ta5d6ff""Tb4b4b4)Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3setAttributeTb4b4b4(Ta5d6ff"aria-hidden"Tb4b4b4, Ta5d6ff"true"Tb4b4b4)Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3styleTb4b4b4.Te6edf3position Tff7b72= Ta5d6ff"fixed"Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3styleTb4b4b4.Te6edf3left Tff7b72= Ta5d6ff"-9999px"Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3styleTb4b4b4.Te6edf3top Tff7b72= Ta5d6ff"0"Tb4b4b4;

Tffa657documentTb4b4b4.Te6edf3bodyTb4b4b4.Te6edf3appendChildTb4b4b4(Te6edf3taTb4b4b4)Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3focusTb4b4b4(Tb4b4b4)Tb4b4b4;

Te6edf3taTb4b4b4.Te6edf3selectTb4b4b4(Tb4b4b4)Tb4b4b4;

Tff7b72const Te6edf3ok Tff7b72= Tffa657documentTb4b4b4.Te6edf3execCommandTb4b4b4(Ta5d6ff"copy"Tb4b4b4)Tb4b4b4;

Tffa657documentTb4b4b4.Te6edf3bodyTb4b4b4.Te6edf3removeChildTb4b4b4(Te6edf3taTb4b4b4)Tb4b4b4;

Tff7b72return Te6edf3okTb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* Copy an image Blob to the system clipboard (PNG preferred when conversion works).

* @param {Blob} blob

* @returns {Promise<boolean>}

*/

Tff7b72export Tff7b72async Tff7b72function Te6edf3copyImageBlobToClipboardTb4b4b4(Te6edf3blobTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72!Tb4b4b4(Te6edf3blob Tff7b72instanceof Te6edf3BlobTb4b4b4) Tff7b72|| Te6edf3blobTb4b4b4.Te6edf3size Tff7b72<= T79c0ff0Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3canUseAsyncClipboardImageWriteTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72const Te6edf3type Tff7b72= Te6edf3blobTb4b4b4.Te6edf3type Tff7b72&& Te6edf3blobTb4b4b4.Te6edf3typeTb4b4b4.Te6edf3startsWithTb4b4b4(Ta5d6ff"image/"Tb4b4b4) Tff7b72? Te6edf3blobTb4b4b4.Te6edf3type Tff7b72: Ta5d6ff"image/png"Tb4b4b4;

Tff7b72try Tb4b4b4{

Tff7b72await Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3writeTb4b4b4(Tb4b4b4[Tff7b72new Te6edf3ClipboardItemTb4b4b4(Tb4b4b4{ Tb4b4b4[Te6edf3typeTb4b4b4]Tff7b72: Te6edf3blob Tb4b4b4}Tb4b4b4)Tb4b4b4]Tb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72trueTb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

T8b949e// Many hosts only accept image/png on the clipboard.

Tb4b4b4}

Tff7b72if Tb4b4b4(Te6edf3type Tff7b72=== Ta5d6ff"image/png"Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72try Tb4b4b4{

Tff7b72const Te6edf3pngBlob Tff7b72= Tff7b72await Te6edf3convertImageBlobToPngTb4b4b4(Te6edf3blobTb4b4b4)Tb4b4b4;

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3pngBlobTb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tff7b72await Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3writeTb4b4b4(Tb4b4b4[Tff7b72new Te6edf3ClipboardItemTb4b4b4(Tb4b4b4{ Ta5d6ff"image/png"Tff7b72: Te6edf3pngBlob Tb4b4b4}Tb4b4b4)Tb4b4b4]Tb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72trueTb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* @param {Blob} blob

* @returns {Promise<Blob | null>}

*/

Tff7b72async Tff7b72function Te6edf3convertImageBlobToPngTb4b4b4(Te6edf3blobTb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72typeof Te6edf3createImageBitmap Tff7b72=== Ta5d6ff"function"Tb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72const Te6edf3bitmap Tff7b72= Tff7b72await Te6edf3createImageBitmapTb4b4b4(Te6edf3blobTb4b4b4)Tb4b4b4;

Tff7b72const Te6edf3canvas Tff7b72= Tffa657documentTb4b4b4.Te6edf3createElementTb4b4b4(Ta5d6ff"canvas"Tb4b4b4)Tb4b4b4;

Te6edf3canvasTb4b4b4.Te6edf3width Tff7b72= Te6edf3bitmapTb4b4b4.Te6edf3widthTb4b4b4;

Te6edf3canvasTb4b4b4.Te6edf3height Tff7b72= Te6edf3bitmapTb4b4b4.Te6edf3heightTb4b4b4;

Tff7b72const Te6edf3ctx Tff7b72= Te6edf3canvasTb4b4b4.Te6edf3getContextTb4b4b4(Ta5d6ff"2d"Tb4b4b4)Tb4b4b4;

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3ctxTb4b4b4) Tb4b4b4{

Te6edf3bitmapTb4b4b4.Te6edf3closeTff7b72?Tb4b4b4.Tb4b4b4(Tb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72nullTb4b4b4;

Tb4b4b4}

Te6edf3ctxTb4b4b4.Te6edf3drawImageTb4b4b4(Te6edf3bitmapTb4b4b4, T79c0ff0Tb4b4b4, T79c0ff0Tb4b4b4)Tb4b4b4;

Te6edf3bitmapTb4b4b4.Te6edf3closeTff7b72?Tb4b4b4.Tb4b4b4(Tb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72await Tff7b72new Tffa657PromiseTb4b4b4(Tb4b4b4(Te6edf3resolveTb4b4b4) Tb4b4b4=> Tb4b4b4{

Te6edf3canvasTb4b4b4.Te6edf3toBlobTb4b4b4(Tb4b4b4(Te6edf3outTb4b4b4) Tb4b4b4=> Te6edf3resolveTb4b4b4(Te6edf3outTb4b4b4)Tb4b4b4, Ta5d6ff"image/png"Tb4b4b4)Tb4b4b4;

Tb4b4b4}Tb4b4b4)Tb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

T8b949e// fall through to HTMLImageElement path

Tb4b4b4}

Tb4b4b4}

Tff7b72if Tb4b4b4(Tff7b72typeof Te6edf3Image Tff7b72=== Ta5d6ff"undefined" Tff7b72|| Tff7b72typeof Te6edf3URL Tff7b72=== Ta5d6ff"undefined"Tb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72nullTb4b4b4;

Tb4b4b4}

Tff7b72const Te6edf3objectUrl Tff7b72= Te6edf3URLTb4b4b4.Te6edf3createObjectURLTb4b4b4(Te6edf3blobTb4b4b4)Tb4b4b4;

Tff7b72try Tb4b4b4{

Tff7b72const Te6edf3img Tff7b72= Tff7b72await Tff7b72new Tffa657PromiseTb4b4b4(Tb4b4b4(Te6edf3resolveTb4b4b4, Te6edf3rejectTb4b4b4) Tb4b4b4=> Tb4b4b4{

Tff7b72const Te6edf3el Tff7b72= Tff7b72new Te6edf3ImageTb4b4b4(Tb4b4b4)Tb4b4b4;

Te6edf3elTb4b4b4.Te6edf3onload Tff7b72= Tb4b4b4(Tb4b4b4) Tb4b4b4=> Te6edf3resolveTb4b4b4(Te6edf3elTb4b4b4)Tb4b4b4;

Te6edf3elTb4b4b4.Te6edf3onerror Tff7b72= Tb4b4b4(Tb4b4b4) Tb4b4b4=> Te6edf3rejectTb4b4b4(Tff7b72new Tf85149ErrorTb4b4b4(Ta5d6ff"image_load_failed"Tb4b4b4)Tb4b4b4)Tb4b4b4;

Te6edf3elTb4b4b4.Te6edf3src Tff7b72= Te6edf3objectUrlTb4b4b4;

Tb4b4b4}Tb4b4b4)Tb4b4b4;

Tff7b72const Te6edf3canvas Tff7b72= Tffa657documentTb4b4b4.Te6edf3createElementTb4b4b4(Ta5d6ff"canvas"Tb4b4b4)Tb4b4b4;

Te6edf3canvasTb4b4b4.Te6edf3width Tff7b72= Te6edf3imgTb4b4b4.Te6edf3naturalWidth Tff7b72|| Te6edf3imgTb4b4b4.Te6edf3widthTb4b4b4;

Te6edf3canvasTb4b4b4.Te6edf3height Tff7b72= Te6edf3imgTb4b4b4.Te6edf3naturalHeight Tff7b72|| Te6edf3imgTb4b4b4.Te6edf3heightTb4b4b4;

Tff7b72const Te6edf3ctx Tff7b72= Te6edf3canvasTb4b4b4.Te6edf3getContextTb4b4b4(Ta5d6ff"2d"Tb4b4b4)Tb4b4b4;

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3ctxTb4b4b4) Tb4b4b4{

Tff7b72return Tff7b72nullTb4b4b4;

Tb4b4b4}

Te6edf3ctxTb4b4b4.Te6edf3drawImageTb4b4b4(Te6edf3imgTb4b4b4, T79c0ff0Tb4b4b4, T79c0ff0Tb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72await Tff7b72new Tffa657PromiseTb4b4b4(Tb4b4b4(Te6edf3resolveTb4b4b4) Tb4b4b4=> Tb4b4b4{

Te6edf3canvasTb4b4b4.Te6edf3toBlobTb4b4b4(Tb4b4b4(Te6edf3outTb4b4b4) Tb4b4b4=> Te6edf3resolveTb4b4b4(Te6edf3outTb4b4b4)Tb4b4b4, Ta5d6ff"image/png"Tb4b4b4)Tb4b4b4;

Tb4b4b4}Tb4b4b4)Tb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

Tff7b72return Tff7b72nullTb4b4b4;

Tb4b4b4} Tff7b72finally Tb4b4b4{

Te6edf3URLTb4b4b4.Te6edf3revokeObjectURLTb4b4b4(Te6edf3objectUrlTb4b4b4)Tb4b4b4;

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* @returns {Promise<{ ok: true, text: string } | { ok: false, code: string }>}

*/

Tff7b72export Tff7b72async Tff7b72function Te6edf3readTextFromClipboardTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Tff7b72typeof Te6edf3navigator Tff7b72=== Ta5d6ff"undefined" Tff7b72|| Tff7b72!Te6edf3navigatorTb4b4b4.Te6edf3clipboardTff7b72?Tb4b4b4.Te6edf3readTextTb4b4b4) Tb4b4b4{

Tff7b72return Tb4b4b4{ Te6edf3okTff7b72: Tff7b72falseTb4b4b4, Te6edf3codeTff7b72: Ta5d6ff"unavailable" Tb4b4b4}Tb4b4b4;

Tb4b4b4}

Tff7b72if Tb4b4b4(Tff7b72!Te6edf3isWindowSecureContextTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72return Tb4b4b4{ Te6edf3okTff7b72: Tff7b72falseTb4b4b4, Te6edf3codeTff7b72: Ta5d6ff"insecure_context" Tb4b4b4}Tb4b4b4;

Tb4b4b4}

Tff7b72try Tb4b4b4{

Tff7b72const Te6edf3text Tff7b72= Tff7b72await Te6edf3navigatorTb4b4b4.Te6edf3clipboardTb4b4b4.Te6edf3readTextTb4b4b4(Tb4b4b4)Tb4b4b4;

Tff7b72return Tb4b4b4{ Te6edf3okTff7b72: Tff7b72trueTb4b4b4, Te6edf3textTff7b72: Te6edf3text Tff7b72?? Ta5d6ff"" Tb4b4b4}Tb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

Tff7b72return Tb4b4b4{ Te6edf3okTff7b72: Tff7b72falseTb4b4b4, Te6edf3codeTff7b72: Ta5d6ff"denied" Tb4b4b4}Tb4b4b4;

Tb4b4b4}

Tb4b4b4}