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| -rw-r--r-- | README.md | 16 |
1 files changed, 9 insertions, 7 deletions
@@ -581,7 +581,6 @@ You can see [Bun's Roadmap](https://github.com/oven-sh/bun/issues/159), but here | ------------------------------------------------------------------------------------- | -------------- | | Web Streams with Fetch API | bun.js | | Web Streams with HTMLRewriter | bun.js | -| Package hoisting that matches npm behavior | bun install | | Source Maps (unbundled is supported) | JS Bundler | | Source Maps | CSS | | JavaScript Minifier | JS Transpiler | @@ -2847,21 +2846,24 @@ console.log(address); // "2606:2800:220:1:248:1893:25c8:1946" ``` Bun supports three backends for DNS resolution: - - `c-ares` - This is the default on Linux, and it uses the [c-ares](https://c-ares.org/) library to perform DNS resolution. - - `system` - Uses the system's non-blocking DNS resolver, if available. Otherwise, falls back to `getaddrinfo`. This is the default on macOS, and the same as `getaddrinfo` on Linux. - - `getaddrinfo` - Uses the POSIX standard `getaddrinfo` function, which may cause performance issues under concurrent load. - + +- `c-ares` - This is the default on Linux, and it uses the [c-ares](https://c-ares.org/) library to perform DNS resolution. +- `system` - Uses the system's non-blocking DNS resolver, if available. Otherwise, falls back to `getaddrinfo`. This is the default on macOS, and the same as `getaddrinfo` on Linux. +- `getaddrinfo` - Uses the POSIX standard `getaddrinfo` function, which may cause performance issues under concurrent load. + You can choose a particular backend by specifying `backend` as an option. ```ts import { dns } from "bun"; -const [{ address, ttl }] = await dns.lookup("example.com", { backend: "c-ares" }); +const [{ address, ttl }] = await dns.lookup("example.com", { + backend: "c-ares", +}); console.log(address); // "93.184.216.34" console.log(ttl); // 21237 ``` -Note: the `ttl` property is only accurate when the `backend` is c-ares. Otherwise, `ttl` will be `0`. +Note: the `ttl` property is only accurate when the `backend` is c-ares. Otherwise, `ttl` will be `0`. This was added in Bun v0.5.0. |