[bun.js] Implement a polyfill for the detect-libc npm package

src/javascript/jsc/detect-libc.js

@@ -0,0 +1,26 @@
+export function family() {
+  return Promise.resolve(null);
+}
+
+export function familySync() {
+  return null;
+}
+
+export const GLIBC = "glibc";
+export const MUSL = "musl";
+
+export function versionAsync() {
+  return Promise.resolve(version());
+}
+
+export function version() {
+  return null;
+}
+
+export function isNonGlibcLinuxSync() {
+  return false;
+}
+
+export function isNonGlibcLinux() {
+  return Promise.resolve(isNonGlibcLinuxSync());
+}

src/javascript/jsc/detect-libc.linux.js

@@ -0,0 +1,27 @@
+// bun only supports glibc at the time of writing
+export function family() {
+  return Promise.resolve(GLIBC);
+}
+
+export function familySync() {
+  return GLIBC;
+}
+
+export const GLIBC = "glibc";
+export const MUSL = "musl";
+
+export function versionAsync() {
+  return Promise.resolve(version());
+}
+
+export function version() {
+  return "2.29";
+}
+
+export function isNonGlibcLinuxSync() {
+  return false;
+}
+
+export function isNonGlibcLinux() {
+  return Promise.resolve(isNonGlibcLinuxSync());
+}