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chore(lint): no-explicit-any in polyfills/crypto.ts

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This commit is contained in:
Mohamed Boudra
2026-04-24 07:01:23 +07:00
parent a4755cda0e
commit ffdee90888
1 changed files with 22 additions and 20 deletions
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42
packages/app/src/polyfills/crypto.ts
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@@ -7,19 +7,27 @@ declare global {
}
}
interface MutableGlobal {
TextEncoder?: typeof TextEncoder;
TextDecoder?: typeof TextDecoder;
crypto?: Crypto;
}
export function polyfillCrypto(): void {
const g = globalThis as unknown as MutableGlobal;
// Ensure TextEncoder/TextDecoder exist for shared E2EE code (tweetnacl + relay transport).
// Hermes may not provide them in all configurations.
if (typeof (globalThis as any).TextEncoder !== "function") {
if (typeof g.TextEncoder !== "function") {
class BufferTextEncoder {
encode(input = ""): Uint8Array {
return Uint8Array.from(Buffer.from(String(input), "utf8"));
}
}
(globalThis as any).TextEncoder = BufferTextEncoder as any;
g.TextEncoder = BufferTextEncoder as unknown as typeof TextEncoder;
}
if (typeof (globalThis as any).TextDecoder !== "function") {
if (typeof g.TextDecoder !== "function") {
class BufferTextDecoder {
constructor(_label?: string, _options?: unknown) {
// no-op
@@ -35,30 +43,24 @@ export function polyfillCrypto(): void {
return Buffer.from(String(input), "utf8").toString("utf8");
}
}
(globalThis as any).TextDecoder = BufferTextDecoder as any;
g.TextDecoder = BufferTextDecoder as unknown as typeof TextDecoder;
}
const existing = (globalThis as any).crypto as Crypto | null | undefined;
let target = existing;
if (!target) {
target = {} as Crypto;
(globalThis as any).crypto = target;
if (!g.crypto) {
g.crypto = {} as Crypto;
}
if (typeof (globalThis as any).crypto?.randomUUID !== "function") {
if (!globalThis.crypto) {
(globalThis as any).crypto = {} as Crypto;
}
globalThis.crypto.randomUUID = () =>
if (typeof g.crypto.randomUUID !== "function") {
g.crypto.randomUUID = () =>
ExpoCrypto.randomUUID() as `${string}-${string}-${string}-${string}-${string}`;
}
if (typeof (globalThis as any).crypto?.getRandomValues !== "function") {
if (!globalThis.crypto) {
(globalThis as any).crypto = {} as Crypto;
}
globalThis.crypto.getRandomValues = <T extends ArrayBufferView>(array: T): T => {
return ExpoCrypto.getRandomValues(array as any) as T;
if (typeof g.crypto.getRandomValues !== "function") {
g.crypto.getRandomValues = <T extends ArrayBufferView | null>(array: T): T => {
if (array === null) return array;
return ExpoCrypto.getRandomValues(
array as unknown as Parameters<typeof ExpoCrypto.getRandomValues>[0],
) as unknown as T;
};
}
}