Remove longfn

package.json

@@ -42,7 +42,6 @@
     "@gmod/bgzf-filehandle": "^2.0.1",
     "crc": "^4.3.2",
     "generic-filehandle2": "^1.0.0",
-    "longfn": "^1.3.1",
     "quick-lru": "^4.0.0"
   },
   "devDependencies": {

src/long.ts

@@ -0,0 +1,16 @@
+export const TWO_PWR_16_DBL = 1 << 16
+export const TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL
+
+export function longFromBytesToUnsigned(source: Uint8Array, i = 0) {
+  const low =
+    source[i] |
+    (source[i + 1] << 8) |
+    (source[i + 2] << 16) |
+    (source[i + 3] << 24)
+  const high =
+    source[i + 4] |
+    (source[i + 5] << 8) |
+    (source[i + 6] << 16) |
+    (source[i + 7] << 24)
+  return (high >>> 0) * TWO_PWR_32_DBL + (low >>> 0)
+}

src/util.ts

@@ -1,5 +1,5 @@
-import { fromBytesLE, toNumber } from 'longfn'
 import Chunk from './chunk'
+import { longFromBytesToUnsigned } from './long'
 import VirtualOffset from './virtualOffset'
 
 export function timeout(ms: number) {
@@ -105,7 +105,7 @@ export function optimizeChunks(chunks: Chunk[], lowest?: VirtualOffset) {
 
 export function parsePseudoBin(bytes: Uint8Array, offset: number) {
   return {
-    lineCount: toNumber(fromBytesLE(bytes.subarray(offset, offset + 8), true)),
+    lineCount: longFromBytesToUnsigned(bytes, offset),
   }
 }
 

yarn.lock

@@ -238,12 +238,11 @@
   integrity sha512-6PQTJv+uxAb8XE/oL2Uh4EmFJpn65YOTSqGn8HLNXrWRlW1Clp1Oze6biHeRCMonLwEx4oH4bPeyjdcMnNP8pw==
 
 "@gmod/bgzf-filehandle@^2.0.1":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@gmod/bgzf-filehandle/-/bgzf-filehandle-2.0.3.tgz#398e3ea61f332e1b0ec8ccd5aa22aed14770393f"
-  integrity sha512-vwQWopYxTTuVxJx8WvjNLQM30mkRdMpoPJzg+n4C0UdI7ZR8c0R5szzyUaZPFJnRbQDJhTC3HJE3EILXptJAYQ==
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/@gmod/bgzf-filehandle/-/bgzf-filehandle-2.0.4.tgz#64f88ff6ad48efaf69641e796db87f24bf5da9ab"
+  integrity sha512-MV1V3X2uF0vqN93dkEhL8TUiJMTHyaJQFuLZttKAl8vH5utN2gKJf/3PTW8f7r5X+GgyftuTcfIpHHD5+3mJiQ==
   dependencies:
     generic-filehandle2 "^1.0.0"
-    longfn "^1.3.1"
     pako "^1.0.11"
 
 "@humanfs/core@^0.19.1":
@@ -1270,9 +1269,9 @@ globals@^14.0.0:
   integrity sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==
 
 globals@^15.9.0:
-  version "15.13.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-15.13.0.tgz#bbec719d69aafef188ecd67954aae76a696010fc"
-  integrity sha512-49TewVEz0UxZjr1WYYsWpPrhyC/B/pA8Bq0fUmet2n+eR7yn0IvNzNaoBwnK6mdkzcN+se7Ez9zUgULTz2QH4g==
+  version "15.14.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-15.14.0.tgz#b8fd3a8941ff3b4d38f3319d433b61bbb482e73f"
+  integrity sha512-OkToC372DtlQeje9/zHIo5CT8lRP/FUgEOKBEhU4e0abL7J7CD24fD9ohiLN5hagG/kWCYj4K5oaxxtj2Z0Dig==
 
 graphemer@^1.4.0:
   version "1.4.0"
@@ -1527,11 +1526,6 @@ lodash.merge@^4.6.2:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
   integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
 
-longfn@^1.3.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/longfn/-/longfn-1.3.1.tgz#1655fef1034bcb9f7b7911a4afb493d4acc8751d"
-  integrity sha512-sFNpfHBvO+mK6bSMr//CGeeXCJX4nKaBJ9M7QsJkzZT8ez+z12lkzRlyZibjdtjLHlfYPv9rmwHGGuwJOglFFQ==
-
 loupe@^3.1.0, loupe@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/loupe/-/loupe-3.1.2.tgz#c86e0696804a02218f2206124c45d8b15291a240"