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feat: split to create a library (#62)
Not the cleanest split; happy to revise. And also happy for this to not be published until it goes through a few more revisions to clean it up to produce a sensible API. (e.g. MainError probably doesnt belong in the lib)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| //! pnpm wrapper library. | ||
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| use indexmap::IndexMap; | ||
| use serde::{Deserialize, Serialize}; | ||
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| pub mod error; | ||
| pub mod passed_through; | ||
| pub mod shell_quoted; | ||
| pub mod utils; | ||
| pub mod workspace; | ||
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| /// Structure of `package.json`. | ||
| #[derive(Debug, Clone, Deserialize, Serialize, PartialEq)] | ||
| #[serde(rename_all = "kebab-case")] | ||
| pub struct NodeManifest { | ||
| #[serde(default)] | ||
| pub name: String, | ||
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| #[serde(default)] | ||
| pub version: String, | ||
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| #[serde(default)] | ||
| pub scripts: IndexMap<String, String>, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| use crate::{ | ||
| error::{MainError, PnError}, | ||
| shell_quoted::ShellQuoted, | ||
| NodeManifest, | ||
| }; | ||
| use pipe_trait::Pipe; | ||
| use std::{ | ||
| env, | ||
| ffi::OsString, | ||
| fs::File, | ||
| io::ErrorKind, | ||
| num::NonZeroI32, | ||
| path::Path, | ||
| process::{Command, Stdio}, | ||
| }; | ||
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| pub fn run_script(name: &str, command: ShellQuoted, cwd: &Path) -> Result<(), MainError> { | ||
| let path_env = create_path_env()?; | ||
| let status = Command::new("sh") | ||
| .current_dir(cwd) | ||
| .env("PATH", path_env) | ||
| .arg("-c") | ||
| .arg(&command) | ||
| .stdin(Stdio::inherit()) | ||
| .stdout(Stdio::inherit()) | ||
| .stderr(Stdio::inherit()) | ||
| .spawn() | ||
| .map_err(PnError::SpawnProcessError)? | ||
| .wait() | ||
| .map_err(PnError::WaitProcessError)? | ||
| .code() | ||
| .map(NonZeroI32::new); | ||
| match status { | ||
| Some(None) => return Ok(()), | ||
| Some(Some(status)) => PnError::ScriptError { | ||
| name: name.to_string(), | ||
| status, | ||
| }, | ||
| None => PnError::UnexpectedTermination { command }, | ||
| } | ||
| .pipe(MainError::Pn) | ||
| .pipe(Err) | ||
| } | ||
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| pub fn pass_to_pnpm(args: &[String]) -> Result<(), MainError> { | ||
| let status = Command::new("pnpm") | ||
| .args(args) | ||
| .stdin(Stdio::inherit()) | ||
| .stdout(Stdio::inherit()) | ||
| .stderr(Stdio::inherit()) | ||
| .spawn() | ||
| .map_err(PnError::SpawnProcessError)? | ||
| .wait() | ||
| .map_err(PnError::WaitProcessError)? | ||
| .code() | ||
| .map(NonZeroI32::new); | ||
| Err(match status { | ||
| Some(None) => return Ok(()), | ||
| Some(Some(status)) => MainError::Sub(status), | ||
| None => MainError::Pn(PnError::UnexpectedTermination { | ||
| command: ShellQuoted::from_command_and_args("pnpm".into(), args), | ||
| }), | ||
| }) | ||
| } | ||
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| pub fn pass_to_sub(command: ShellQuoted) -> Result<(), MainError> { | ||
| let path_env = create_path_env()?; | ||
| let status = Command::new("sh") | ||
| .env("PATH", path_env) | ||
| .arg("-c") | ||
| .arg(&command) | ||
| .stdin(Stdio::inherit()) | ||
| .stdout(Stdio::inherit()) | ||
| .stderr(Stdio::inherit()) | ||
| .spawn() | ||
| .map_err(PnError::SpawnProcessError)? | ||
| .wait() | ||
| .map_err(PnError::WaitProcessError)? | ||
| .code() | ||
| .map(NonZeroI32::new); | ||
| Err(match status { | ||
| Some(None) => return Ok(()), | ||
| Some(Some(status)) => MainError::Sub(status), | ||
| None => MainError::Pn(PnError::UnexpectedTermination { command }), | ||
| }) | ||
| } | ||
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| pub fn read_package_manifest(manifest_path: &Path) -> Result<NodeManifest, MainError> { | ||
| manifest_path | ||
| .pipe(File::open) | ||
| .map_err(|error| match error.kind() { | ||
| ErrorKind::NotFound => PnError::NoPkgManifest { | ||
| file: manifest_path.to_path_buf(), | ||
| }, | ||
| _ => PnError::FsError { | ||
| path: manifest_path.to_path_buf(), | ||
| error, | ||
| }, | ||
| })? | ||
| .pipe(serde_json::de::from_reader::<_, NodeManifest>) | ||
| .map_err(|err| { | ||
| MainError::Pn(PnError::ParseJsonError { | ||
| file: manifest_path.to_path_buf(), | ||
| message: err.to_string(), | ||
| }) | ||
| }) | ||
| } | ||
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| pub fn create_path_env() -> Result<OsString, MainError> { | ||
| let existing_paths = env::var_os("PATH"); | ||
| let existing_paths = existing_paths.iter().flat_map(env::split_paths); | ||
| Path::new("node_modules") | ||
| .join(".bin") | ||
| .pipe(std::iter::once) | ||
| .chain(existing_paths) | ||
| .pipe(env::join_paths) | ||
| .map_err(PnError::NodeBinPathError) | ||
| .map_err(MainError::from) | ||
| } |