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| author | syuilo <Syuilotan@yahoo.co.jp> | 2023-07-21 20:36:07 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-21 20:36:07 +0900 |
| commit | e64a81aa1d2801516e8eac8dc69aac540489f20b (patch) | |
| tree | 56accbc0f5f71db864e1e975920135fb0a957291 /packages/frontend/src/scripts/upload/isWebpSupported.ts | |
| parent | Merge pull request #10990 from misskey-dev/develop (diff) | |
| parent | New Crowdin updates (#11336) (diff) | |
| download | misskey-e64a81aa1d2801516e8eac8dc69aac540489f20b.tar.gz misskey-e64a81aa1d2801516e8eac8dc69aac540489f20b.tar.bz2 misskey-e64a81aa1d2801516e8eac8dc69aac540489f20b.zip | |
Merge pull request #11301 from misskey-dev/develop
Release: 13.14.0
Diffstat (limited to 'packages/frontend/src/scripts/upload/isWebpSupported.ts')
| -rw-r--r-- | packages/frontend/src/scripts/upload/isWebpSupported.ts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/packages/frontend/src/scripts/upload/isWebpSupported.ts b/packages/frontend/src/scripts/upload/isWebpSupported.ts new file mode 100644 index 0000000000..cde8b9d785 --- /dev/null +++ b/packages/frontend/src/scripts/upload/isWebpSupported.ts @@ -0,0 +1,10 @@ +let isWebpSupportedCache: boolean | undefined; +export function isWebpSupported() { + if (isWebpSupportedCache === undefined) { + const canvas = document.createElement('canvas'); + canvas.width = 1; + canvas.height = 1; + isWebpSupportedCache = canvas.toDataURL('image/webp').startsWith('data:image/webp'); + } + return isWebpSupportedCache; +} |