init: the first public commit for AFFiNE

libs/datasource/jwt/src/utils/index.ts

@@ -0,0 +1,57 @@
+import { Buffer } from 'buffer';
+import debug from 'debug';
+import { enableAllPlugins } from 'immer';
+import { SHAKE } from 'sha3';
+import { v5 as UUIDv5 } from 'uuid';
+import { AbstractBlock } from '../block/abstract';
+
+import { UUID } from '../types';
+
+declare const JWT_DEV: boolean;
+
+enableAllPlugins();
+
+const hash = new SHAKE(128);
+
+// sha3-256(toeverythinguuid) -> truncate 128 bits
+// e66a34f77a3b09d2020eb20e1f77e3c56250c19788ed2c70993ad2c495e55de6
+const UUID_NAMESPACE = Uint8Array.from([
+    0xe6, 0x6a, 0x34, 0xf7, 0x7a, 0x3b, 0x09, 0xd2, 0x02, 0x0e, 0xb2, 0x0e,
+    0x1f, 0x77, 0xe3, 0xc5,
+]);
+
+// eslint-disable-next-line @typescript-eslint/naming-convention
+export function genUUID(workspace: string): UUID<string> {
+    return UUIDv5(workspace, UUID_NAMESPACE) as UUID<string>;
+}
+
+export function sha3(buffer: Buffer): string {
+    hash.reset();
+    hash.update(buffer);
+    return hash
+        .digest('base64')
+        .replace(/=/g, '')
+        .replace(/\+/g, '-')
+        .replace(/\//g, '_');
+}
+
+export function getLogger(namespace: string) {
+    if (JWT_DEV) {
+        const logger = debug(namespace);
+        logger.log = console.log.bind(console);
+        if (JWT_DEV === ('testing' as any)) logger.enabled = true;
+        return logger;
+    } else {
+        return () => {};
+    }
+}
+
+export function isBlock(obj: any) {
+    return obj && obj instanceof AbstractBlock;
+}
+
+export function sleep() {
+    return new Promise(resolve => setTimeout(resolve, 500));
+}
+
+export { BlockEventBus } from './event-bus';