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Add create_path_else fn to handle creation or modification

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This commit is contained in:
Andrew Hlynskyi 2021-06-23 02:17:00 +03:00
parent 797c7668c1
commit 86b8137457
1 changed files with 54 additions and 40 deletions
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94
cli/src/generate/binding_files.rs
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@ -38,7 +38,7 @@ pub fn generate_binding_files(repo_path: &Path, language_name: &str) -> Result<(
// Generate node bindings
let node_binding_dir = bindings_dir.join("node");
let node_binding_dir_created = create_path(&node_binding_dir, |path| create_dir(path))?;
create_path(&node_binding_dir, |path| create_dir(path))?;
create_path(&node_binding_dir.join("index.js").to_owned(), |path| {
generate_file(path, INDEX_JS_TEMPLATE, language_name)
@ -48,52 +48,52 @@ pub fn generate_binding_files(repo_path: &Path, language_name: &str) -> Result<(
generate_file(path, BINDING_CC_TEMPLATE, language_name)
})?;
if node_binding_dir_created {
// Create binding.gyp, or update it with new binding path.
let binding_gyp_path = repo_path.join("binding.gyp");
if binding_gyp_path.exists() {
// Create binding.gyp, or update it with new binding path.
let binding_gyp_path = repo_path.join("binding.gyp");
create_path_else(
&binding_gyp_path,
|path| generate_file(path, BINDING_GYP_TEMPLATE, language_name),
|path| {
eprintln!("Updating binding.gyp with new binding path");
let binding_gyp = fs::read_to_string(&binding_gyp_path)
.with_context(|| "Failed to read binding.gyp")?;
let binding_gyp =
fs::read_to_string(path).with_context(|| "Failed to read binding.gyp")?;
let binding_gyp = binding_gyp.replace("src/binding.cc", "bindings/node/binding.cc");
write_file(&binding_gyp_path, binding_gyp)?;
} else {
generate_file(&binding_gyp_path, BINDING_GYP_TEMPLATE, language_name)?;
}
}
write_file(path, binding_gyp)
},
)?;
// Create package.json, or update it with new binding path.
let package_json_path = repo_path.join("package.json");
if package_json_path.exists() {
let package_json_str = fs::read_to_string(&package_json_path)
.with_context(|| "Failed to read package.json")?;
let mut package_json =
serde_json::from_str::<serde_json::Map<String, serde_json::Value>>(&package_json_str)
create_path_else(
&package_json_path,
|path| generate_file(path, PACKAGE_JSON_TEMPLATE, dashed_language_name),
|path| {
let package_json_str =
fs::read_to_string(path).with_context(|| "Failed to read package.json")?;
let mut package_json =
serde_json::from_str::<serde_json::Map<String, serde_json::Value>>(
&package_json_str,
)
.with_context(|| "Failed to parse package.json")?;
let package_json_main = package_json.get("main");
let package_json_needs_update = package_json_main.map_or(true, |v| {
let main_string = v.as_str();
main_string == Some("index.js") || main_string == Some("./index.js")
});
if package_json_needs_update {
eprintln!("Updating package.json with new binding path");
let package_json_main = package_json.get("main");
let package_json_needs_update = package_json_main.map_or(true, |v| {
let main_string = v.as_str();
main_string == Some("index.js") || main_string == Some("./index.js")
});
if package_json_needs_update {
eprintln!("Updating package.json with new binding path");
package_json.insert(
"main".to_string(),
serde_json::Value::String("bindings/node".to_string()),
);
let mut package_json_str = serde_json::to_string_pretty(&package_json)?;
package_json_str.push('\n');
write_file(&package_json_path, package_json_str)?;
}
} else {
generate_file(
&package_json_path,
PACKAGE_JSON_TEMPLATE,
dashed_language_name,
)?;
}
package_json.insert(
"main".to_string(),
serde_json::Value::String("bindings/node".to_string()),
);
let mut package_json_str = serde_json::to_string_pretty(&package_json)?;
package_json_str.push('\n');
write_file(path, package_json_str)?;
}
Ok(())
},
)?;
// Remove files from old node binding paths.
let old_index_js_path = repo_path.join("index.js");
@ -132,3 +132,17 @@ where
}
Ok(false)
}
fn create_path_else<T, F>(path: &PathBuf, action: T, else_action: F) -> Result<bool>
where
T: Fn(&PathBuf) -> Result<()>,
F: Fn(&PathBuf) -> Result<()>,
{
if !path.exists() {
action(path)?;
return Ok(true);
} else {
else_action(path)?;
}
Ok(false)
}