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Code Issues Packages 1 Wiki Activity

perf(web): use DOMString for BlobParts (#13979)

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Divy Srivastava 2022-03-16 12:58:38 +05:30 committed by GitHub
parent 395f527238
commit 697b60a335
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2 changed files with 12 additions and 1 deletions
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8
cli/bench/deno_common.js
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@ -56,6 +56,13 @@ function benchUrlParse() {
}); });
} }
function benchLargeBlobText() {
const input = "long-string".repeat(999_999);
benchSync("blob_text_large", 3, () => {
new Blob([input]).text();
});
}
function benchDateNow() { function benchDateNow() {
benchSync("date_now", 5e5, () => { benchSync("date_now", 5e5, () => {
Date.now(); Date.now();
@ -123,6 +130,7 @@ async function main() {
// A common "language feature", that should be fast // A common "language feature", that should be fast
// also a decent representation of a non-trivial JSON-op // also a decent representation of a non-trivial JSON-op
benchUrlParse(); benchUrlParse();
benchLargeBlobText();
benchB64RtLong(); benchB64RtLong();
benchB64RtShort(); benchB64RtShort();
// IO ops // IO ops

5
ext/web/09_file.js
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@ -394,7 +394,10 @@
return webidl.converters["ArrayBufferView"](V, opts); return webidl.converters["ArrayBufferView"](V, opts);
} }
} }
return webidl.converters["USVString"](V, opts); // BlobPart is passed to processBlobParts after conversion, which calls core.encode()
// on the string.
// core.encode() is equivalent to USVString normalization.
return webidl.converters["DOMString"](V, opts);
}; };
webidl.converters["sequence<BlobPart>"] = webidl.createSequenceConverter( webidl.converters["sequence<BlobPart>"] = webidl.createSequenceConverter(
webidl.converters["BlobPart"], webidl.converters["BlobPart"],