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Add interactive project initialization command #17

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103 changes: 93 additions & 10 deletions src/main.hml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
// Main entry point

import * as env from "@stdlib/env";
import { exists, read_file, cwd } from "@stdlib/fs";
import { exists, read_file, write_file, cwd, make_dir } from "@stdlib/fs";
import { parse } from "@stdlib/json";
import { fork, exec, waitpid } from "@stdlib/process";

Expand Down Expand Up @@ -38,7 +38,7 @@ fn print_usage() {
print("Usage: hpm <command> [options]");
print("");
print("Commands:");
print(" init Create a new package.json");
print(" init Create a new Hemlock project");
print(" install [pkg] Install dependencies or a specific package");
print(" uninstall <pkg> Remove a package");
print(" update [pkg] Update dependencies");
Expand All @@ -58,9 +58,11 @@ fn print_usage() {
print(" --offline Install from cache only (no network)");
print(" --parallel Enable parallel downloads (experimental)");
print(" --yes, -y Accept all defaults");
print(" --name=<name> Project name (for init)");
print("");
print("Examples:");
print(" hpm init");
print(" hpm init Initialize project in current directory");
print(" hpm init --name=my-project Create new project directory");
print(" hpm install hemlang/sprout@^1.0.0");
print(" hpm install --dev hemlang/test-utils");
print(" hpm run test");
Expand Down Expand Up @@ -98,6 +100,46 @@ fn get_positional_args(): array {
return result;
}

fn get_flag_value(prefix: string): string {
let i = 1;
while (i < args.length) {
let arg = args[i];
if (arg.starts_with(prefix)) {
return arg.substr(prefix.length, arg.length - prefix.length);
}
i = i + 1;
}
return null;
}

fn ensure_dir(path: string) {
if (exists(path)) {
return;
}

let parts = path.split("/");
let current = "";

let i = 0;
while (i < parts.length) {
let part = parts[i];
if (part.length > 0) {
if (current.length == 0 && path[0] == '/') {
current = "/" + part;
} else if (current.length == 0) {
current = part;
} else {
current = current + "/" + part;
}

if (!exists(current)) {
make_dir(current);
}
}
i = i + 1;
}
}

// ============================================================================
// Commands
// ============================================================================
Expand All @@ -107,13 +149,25 @@ fn cmd_init() {
let project_dir = get_project_dir();
let use_defaults = has_flag("--yes") || has_flag("-y");

// Check for --name flag to create a new project directory
let project_name = get_flag_value("--name=");
if (project_name != null && project_name.length > 0) {
project_dir = project_dir + "/" + project_name;
if (exists(project_dir)) {
print("Directory already exists: " + project_name);
env.exit(1);
}
ensure_dir(project_dir);
print("Creating project: " + project_name);
}

// Check if package.json already exists
if (exists(project_dir + "/package.json")) {
print("package.json already exists");
env.exit(EXIT_SUCCESS);
}

// Get current directory name for default package name
// Get project directory name for default package name
let dir_parts = project_dir.split("/");
let dir_name = dir_parts[dir_parts.length - 1];

Expand All @@ -125,29 +179,58 @@ fn cmd_init() {

let pkg_name = username + "/" + dir_name;
let pkg_version = "0.1.0";
let pkg_description = "";
let pkg_author = "";
let pkg_description = "A Hemlock project";
let pkg_author = username;
let pkg_license = "MIT";

if (use_defaults) {
// Use all defaults
print("Creating package.json with defaults...");
print("Creating project with defaults...");
} else {
// Interactive mode - for now just use defaults
// (Full interactive mode would need readline support)
print("Creating package.json...");
print("Creating project...");
print(" name: " + pkg_name);
print(" version: " + pkg_version);
print(" license: " + pkg_license);
}

// Create package.json
let pkg = manifest.create_default(pkg_name, pkg_version);
pkg.description = pkg_description;
pkg.author = pkg_author;
pkg.license = pkg_license;

pkg.main = "src/main.hml";
pkg.scripts = {
start: "hemlock src/main.hml",
test: "hemlock test/run.hml",
build: "hemlock build src/main.hml -o bin/" + dir_name
};
manifest.write_manifest(project_dir, pkg);
print("Created package.json");
print(" Created package.json");

// Create src directory and main.hml
ensure_dir(project_dir + "/src");
let main_content = "// " + dir_name + " - Main entry point\n\nfn main() {\n print(\"Hello, Hemlock!\");\n}\n\nmain();\n";
write_file(project_dir + "/src/main.hml", main_content);
print(" Created src/main.hml");

// Create .gitignore
let gitignore_content = "# Build outputs\n/build/\n*.o\n*.a\n*.so\n*.dylib\n\n# Compiled binaries (match project name)\n/bin/\n\n# Editor/IDE\n.vscode/\n.idea/\n*.swp\n*~\n\n# OS\n.DS_Store\nThumbs.db\n\n# hpm\n/hem_modules/\n/.hpm-cache/\n\n# Debug/profiling\n*.dSYM/\ncore\nvgcore.*\n";
write_file(project_dir + "/.gitignore", gitignore_content);
print(" Created .gitignore");

// Create README.md
let readme_content = "# " + dir_name + "\n\n" + pkg_description + "\n\n## Getting Started\n\n```bash\n# Install dependencies\nhpm install\n\n# Run the project\nhpm run start\n\n# Run tests\nhpm test\n\n# Build the project\nhpm run build\n```\n\n## License\n\n" + pkg_license + "\n";
write_file(project_dir + "/README.md", readme_content);
print(" Created README.md");

print("");
if (project_name != null && project_name.length > 0) {
print("Project created! Run 'cd " + project_name + "' to get started.");
} else {
print("Project initialized!");
}
}

// hpm install
Expand Down