a collection of lightweight TypeScript packages for AT Protocol, the protocol powering Bluesky
atproto
bluesky
typescript
npm
feat(time-ms): Bun FFI support
+89
-6
+5
.changeset/sparkly-animals-carry.md
+5
.changeset/sparkly-animals-carry.md
+63
packages/misc/time-ms/lib/index.bun.ts
+63
packages/misc/time-ms/lib/index.bun.ts
···
1
+
import { dlopen, ptr } from 'bun:ffi';
2
+
3
+
const CLOCK_REALTIME = 0;
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+
5
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// 100-nanosecond intervals between 1601-01-01 and 1970-01-01
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const EPOCH_OFFSET = 116444736000000000n;
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+
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/**
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* whether the native module is available for the current runtime.
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*/
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export let hasNative = false;
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+
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/**
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* returns the current time in microseconds since unix epoch.
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* @returns timestamp in microseconds
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*/
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export let now = (): number => {
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return Date.now() * 1_000;
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};
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+
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try {
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if (process.platform === 'win32') {
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const lib = dlopen('kernel32.dll', {
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GetSystemTimePreciseAsFileTime: { args: ['pointer'], returns: 'void' },
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});
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+
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// FILETIME: { dwLowDateTime: u32, dwHighDateTime: u32 } = 8 bytes
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const buf = new Uint32Array(2);
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const bufPtr = ptr(buf);
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+
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now = (): number => {
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lib.symbols.GetSystemTimePreciseAsFileTime(bufPtr);
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const low = BigInt(buf[0]);
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const high = BigInt(buf[1]);
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const filetime = (high << 32n) | low;
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// convert from 100-nanosecond intervals since 1601 to microseconds since 1970
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return Number((filetime - EPOCH_OFFSET) / 10n);
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};
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+
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hasNative = true;
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} else {
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const libPath = process.platform === 'darwin' ? 'libSystem.B.dylib' : 'libc.so.6';
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+
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const lib = dlopen(libPath, {
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clock_gettime: { args: ['i32', 'pointer'], returns: 'i32' },
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});
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+
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// timespec: { tv_sec: i64, tv_nsec: i64 } = 16 bytes on 64-bit
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const buf = new BigInt64Array(2);
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const bufPtr = ptr(buf);
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+
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+
now = (): number => {
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+
lib.symbols.clock_gettime(CLOCK_REALTIME, bufPtr);
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const sec = buf[0];
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const nsec = buf[1];
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return Number(sec * 1_000_000n + nsec / 1_000n);
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+
};
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+
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hasNative = true;
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+
}
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} catch {
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// ffi unavailable, keep fallback
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+
}
+2
-1
packages/misc/time-ms/package.json
+2
-1
packages/misc/time-ms/package.json
···
23
23
"exports": {
24
24
".": {
25
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"deno": "./dist/index.deno.js",
26
+
"bun": "./dist/index.bun.js",
26
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"node": "./dist/index.node.js",
27
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"default": "./dist/index.js"
28
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}
···
40
41
"vitest": "^4.0.16"
41
42
},
42
43
"dependencies": {
43
-
"@types/node": "^22.19.3",
44
+
"@types/bun": "^1.3.6",
44
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"node-gyp-build": "^4.8.4"
45
46
}
46
47
}
+1
-1
packages/misc/time-ms/tsconfig.json
+1
-1
packages/misc/time-ms/tsconfig.json
+18
-4
pnpm-lock.yaml
+18
-4
pnpm-lock.yaml
···
718
718
719
719
packages/misc/time-ms:
720
720
dependencies:
721
-
'@types/node':
722
-
specifier: ^22.19.3
723
-
version: 22.19.3
721
+
'@types/bun':
722
+
specifier: ^1.3.6
723
+
version: 1.3.6
724
724
node-gyp-build:
725
725
specifier: ^4.8.4
726
726
version: 4.8.4
···
730
730
version: 6.0.1
731
731
vitest:
732
732
specifier: ^4.0.16
733
-
version: 4.0.16(@types/node@22.19.3)(@vitest/browser-playwright@4.0.16)(jiti@2.6.1)(tsx@4.20.6)(yaml@2.8.0)
733
+
version: 4.0.16(@types/node@25.0.3)(@vitest/browser-playwright@4.0.16)(jiti@2.6.1)(tsx@4.20.6)(yaml@2.8.0)
734
734
735
735
packages/misc/uint8array:
736
736
devDependencies:
···
2644
2644
'@types/bun@1.3.5':
2645
2645
resolution: {integrity: sha512-RnygCqNrd3srIPEWBd5LFeUYG7plCoH2Yw9WaZGyNmdTEei+gWaHqydbaIRkIkcbXwhBT94q78QljxN0Sk838w==}
2646
2646
2647
+
'@types/bun@1.3.6':
2648
+
resolution: {integrity: sha512-uWCv6FO/8LcpREhenN1d1b6fcspAB+cefwD7uti8C8VffIv0Um08TKMn98FynpTiU38+y2dUO55T11NgDt8VAA==}
2649
+
2647
2650
'@types/chai@5.2.3':
2648
2651
resolution: {integrity: sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==}
2649
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···
2885
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2889
bun-types@1.3.5:
2887
2890
resolution: {integrity: sha512-inmAYe2PFLs0SUbFOWSVD24sg1jFlMPxOjOSSCYqUgn4Hsc3rDc7dFvfVYjFPNHtov6kgUeulV4SxbuIV/stPw==}
2891
+
2892
+
bun-types@1.3.6:
2893
+
resolution: {integrity: sha512-OlFwHcnNV99r//9v5IIOgQ9Uk37gZqrNMCcqEaExdkVq3Avwqok1bJFmvGMCkCE0FqzdY8VMOZpfpR3lwI+CsQ==}
2888
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bytes@3.1.2:
2890
2896
resolution: {integrity: sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==}
···
6504
6510
dependencies:
6505
6511
bun-types: 1.3.5
6506
6512
6513
+
'@types/bun@1.3.6':
6514
+
dependencies:
6515
+
bun-types: 1.3.6
6516
+
6507
6517
'@types/chai@5.2.3':
6508
6518
dependencies:
6509
6519
'@types/deep-eql': 4.0.2
···
6849
6859
ieee754: 1.2.1
6850
6860
6851
6861
bun-types@1.3.5:
6862
+
dependencies:
6863
+
'@types/node': 22.19.3
6864
+
6865
+
bun-types@1.3.6:
6852
6866
dependencies:
6853
6867
'@types/node': 22.19.3
6854
6868