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Avoid copying timezone data bytes (#21028) 

This was missed in the PR when changing the implementation to use
slices of Uint8Array rather than slices of ArrayBuffer.

Making the function non-async since it's entirely synchronous.
This commit is contained in:
Pranav K 2020-04-20 15:20:35 -07:00 committed by GitHub
parent 2bd662fe0b
commit 202d21431e
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3 changed files with 7 additions and 15 deletions
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15
src/Components/Web.JS/dist/Release/blazor.server.js generated vendored
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2
src/Components/Web.JS/dist/Release/blazor.webassembly.js generated vendored
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5
src/Components/Web.JS/src/Platform/Mono/TimezoneDataFile.ts
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@ -1,7 +1,7 @@
import { readInt32LE } from "../../BinaryDecoder"; import { readInt32LE } from "../../BinaryDecoder";
import { decodeUtf8 } from "../../Utf8Decoder"; import { decodeUtf8 } from "../../Utf8Decoder";
export async function loadTimezoneData(arrayBuffer: ArrayBuffer) : Promise<void> { export function loadTimezoneData(arrayBuffer: ArrayBuffer) {
let remainingData = new Uint8Array(arrayBuffer); let remainingData = new Uint8Array(arrayBuffer);
// The timezone file is generated by https://github.com/dotnet/blazor/tree/master/src/TimeZoneData. // The timezone file is generated by https://github.com/dotnet/blazor/tree/master/src/TimeZoneData.
@ -34,11 +34,10 @@ export async function loadTimezoneData(arrayBuffer: ArrayBuffer) : Promise<void>
Module['FS_createPath']('/zoneinfo', folder, true, true)); Module['FS_createPath']('/zoneinfo', folder, true, true));
for (const [name, length] of manifest) { for (const [name, length] of manifest) {
const bytes = new Uint8Array(remainingData.slice(0, length)); const bytes = remainingData.slice(0, length);
Module['FS_createDataFile'](`/zoneinfo/${name}`, null, bytes, true, true, true); Module['FS_createDataFile'](`/zoneinfo/${name}`, null, bytes, true, true, true);
remainingData = remainingData.slice(length); remainingData = remainingData.slice(length);
} }
} }
type ManifestEntry = [string, number]; type ManifestEntry = [string, number];