1 #![cfg(test_node_semver)]
2
3 use semver::Version;
4 use std::fmt::{self, Display};
5 use std::process::Command;
6
7 #[derive(Default, Eq, PartialEq, Hash, Debug)]
8 pub(super) struct VersionReq(semver::VersionReq);
9
10 impl VersionReq {
11 pub(super) const STAR: Self = VersionReq(semver::VersionReq::STAR);
12
matches(&self, version: &Version) -> bool13 pub(super) fn matches(&self, version: &Version) -> bool {
14 let out = Command::new("node")
15 .arg("-e")
16 .arg(format!(
17 "console.log(require('semver').satisfies('{}', '{}'))",
18 version,
19 self.to_string().replace(',', ""),
20 ))
21 .output()
22 .unwrap();
23 if out.stdout == b"true\n" {
24 true
25 } else if out.stdout == b"false\n" {
26 false
27 } else {
28 let s = String::from_utf8_lossy(&out.stdout) + String::from_utf8_lossy(&out.stderr);
29 panic!("unexpected output: {}", s);
30 }
31 }
32 }
33
34 impl Display for VersionReq {
fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result35 fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
36 Display::fmt(&self.0, formatter)
37 }
38 }
39
40 #[cfg_attr(not(no_track_caller), track_caller)]
req(text: &str) -> VersionReq41 pub(super) fn req(text: &str) -> VersionReq {
42 VersionReq(crate::util::req(text))
43 }
44