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feat: support raw conversion in envs without Buffer #364

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merged 5 commits into from
Dec 18, 2024
Merged

feat: support raw conversion in envs without Buffer #364

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ebe9bde
feat(raw): Replaced Buffer serializer to improve portability
itpropro Jan 2, 2024
dd9eca6
fix(http): :bug: Fixed http driver to actually return raw data inste…
itpropro Jan 2, 2024
785bcb0
Merge branch 'main' into feat/serializer
pi0 Dec 18, 2024
3329605
refactor: fallback
pi0 Dec 18, 2024
c40ce80
simplify logic
pi0 Dec 18, 2024
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30 changes: 19 additions & 11 deletions src/_utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -46,21 +46,13 @@ export function stringify(value: any): string {
throw new Error("[unstorage] Cannot stringify value!");
}

function checkBufferSupport() {
if (typeof Buffer === "undefined") {
throw new TypeError("[unstorage] Buffer is not supported!");
}
}

export const BASE64_PREFIX = "base64:";

export function serializeRaw(value: any) {
if (typeof value === "string") {
return value;
}
checkBufferSupport();
const base64 = Buffer.from(value).toString("base64");
return BASE64_PREFIX + base64;
return BASE64_PREFIX + base64Encode(value);
}

export function deserializeRaw(value: any) {
Expand All @@ -72,6 +64,22 @@ export function deserializeRaw(value: any) {
// Return unknown strings as-is
return value;
}
checkBufferSupport();
return Buffer.from(value.slice(BASE64_PREFIX.length), "base64");
return base64Decode(value.slice(BASE64_PREFIX.length));
}

function base64Decode(input: string) {
if (globalThis.Buffer) {
return Buffer.from(input, "base64");
}
return Uint8Array.from(
globalThis.atob(input),
(c) => c.codePointAt(0) as number
);
}

function base64Encode(input: Uint8Array) {
if (globalThis.Buffer) {
return Buffer.from(input).toString("base64");
}
return globalThis.btoa(String.fromCodePoint(...input));
}
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