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Upgrade TypeScript to the latest version, v4.1.3

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This commit is contained in:
Evan Hahn 2020-12-18 11:09:31 -06:00 • committed by Scott Nonnenberg
parent 38ab92da5d
commit dd0ea6b3fe
10 changed files with 94 additions and 88 deletions
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26
ts/util/imageToBlurHash.ts
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@ -19,21 +19,25 @@ const loadImageData = async (input: Input): Promise<ImageData> => {
reject(processError);
return;
}
if (canvasOrError instanceof HTMLCanvasElement) {
const context = canvasOrError.getContext('2d');
resolve(
context?.getImageData(
0,
0,
canvasOrError.width,
canvasOrError.height
if (!(canvasOrError instanceof HTMLCanvasElement)) {
reject(new Error('imageToBlurHash: result is not a canvas'));
return;
}
const context = canvasOrError.getContext('2d');
if (!context) {
reject(
new Error(
'imageToBlurHash: cannot get CanvasRenderingContext2D from canvas'
)
);
return;
}
const error = new Error(
'imageToBlurHash: Failed to place image on canvas'
resolve(
context.getImageData(0, 0, canvasOrError.width, canvasOrError.height)
);
reject(error);
},
// Calculating the blurhash on large images is a long-running and
// synchronous operation, so here we ensure the images are a reasonable