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fix strict mode sourcemap handling

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This commit is contained in:
Percs 2025-03-15 00:50:57 -05:00
parent a47e416193
commit 3cd17070ab
1 changed files with 10 additions and 3 deletions
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13
src/worker/fetch.ts
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@ -366,9 +366,16 @@ async function rewriteBody(
workertype === "module"
);
if (flagEnabled("sourcemaps", meta.base) && map) {
js =
`${globalThis.$scramjet.config.globals.pushsourcemapfn}([${map.join(",")}], "${tag}");` +
(js instanceof Uint8Array ? new TextDecoder().decode(js) : js);
if (js instanceof Uint8Array) {
js = new TextDecoder().decode(js);
}
const sourcemapfn = `${globalThis.$scramjet.config.globals.pushsourcemapfn}([${map.join(",")}], "${tag}");`;
const strictMode = /^\s*(['"])use strict\1;?/;
if (strictMode.test(js)) {
js = js.replace(strictMode, `$&\n${sourcemapfn}`);
} else {
js = `${sourcemapfn}\n${js}`;
}
}
return js as unknown as ArrayBuffer;