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feat: show copy-as-png export button on firefox and show steps how to enable it (#6125)

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* feat: hide copy-as-png shortcut from help dialog if not supported

* fix: support firefox if clipboard.write supported

* show shrotcut in firefox and instead show error message how to enable the flag support

* widen to TypeError because minification

* show copy-as-png on firefox even if it will throw
This commit is contained in:
David Luzar 2023-01-22 12:33:15 +01:00 • committed by GitHub
parent 0f1720be61
commit d2b698093c
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12 changed files with 50 additions and 23 deletions
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9
src/clipboard.ts
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@ -180,16 +180,16 @@ export const parseClipboard = async (
};
export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
let promise;
try {
// in Safari so far we need to construct the ClipboardItem synchronously
// (i.e. in the same tick) otherwise browser will complain for lack of
// user intent. Using a Promise ClipboardItem constructor solves this.
// https://bugs.webkit.org/show_bug.cgi?id=222262
//
// not await so that we can detect whether the thrown error likely relates
// to a lack of support for the Promise ClipboardItem constructor
promise = navigator.clipboard.write([
// Note that Firefox (and potentially others) seems to support Promise
// ClipboardItem constructor, but throws on an unrelated MIME type error.
// So we need to await this and fallback to awaiting the blob if applicable.
await navigator.clipboard.write([
new window.ClipboardItem({
[MIME_TYPES.png]: blob,
}),
@ -207,7 +207,6 @@ export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
throw error;
}
}
await promise;
};
export const copyTextToSystemClipboard = async (text: string | null) => {