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Add proper interactive mode to hpm init #2

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140 changes: 129 additions & 11 deletions src/main.hml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import * as env from "@stdlib/env";
import { exists, read_file, cwd } from "@stdlib/fs";
import { parse } from "@stdlib/json";
import { fork, exec, waitpid } from "@stdlib/process";
import { read_line } from "@stdlib/io";

import * as manifest from "./manifest.hml";
import * as lockfile from "./lockfile.hml";
Expand Down Expand Up @@ -98,6 +99,53 @@ fn get_positional_args(): array {
return result;
}

// Prompt user for input with a default value
// Returns the user's input or the default if they just press enter
fn prompt(message: string, default_value: string): string {
if (default_value.length > 0) {
env.print_inline(message + " (" + default_value + "): ");
} else {
env.print_inline(message + ": ");
}

let input = read_line();
if (input == null) {
input = "";
}

// Trim whitespace
input = input.trim();

if (input.length == 0) {
return default_value;
}
return input;
}

// Prompt for yes/no confirmation
fn prompt_confirm(message: string, default_yes: bool): bool {
let hint = "";
if (default_yes) {
hint = " (Y/n): ";
} else {
hint = " (y/N): ";
}

env.print_inline(message + hint);

let input = read_line();
if (input == null) {
input = "";
}
input = input.trim().to_lower();

if (input.length == 0) {
return default_yes;
}

return input == "y" || input == "yes";
}

// ============================================================================
// Commands
// ============================================================================
Expand All @@ -123,28 +171,98 @@ fn cmd_init() {
username = "your-username";
}

let pkg_name = username + "/" + dir_name;
let pkg_version = "0.1.0";
let pkg_description = "";
let pkg_author = "";
let pkg_license = "MIT";
// Default values
let default_name = username + "/" + dir_name;
let default_version = "0.1.0";
let default_description = "";
let default_main = "src/index.hml";
let default_author = "";
let default_license = "MIT";

let pkg_name = default_name;
let pkg_version = default_version;
let pkg_description = default_description;
let pkg_main = default_main;
let pkg_author = default_author;
let pkg_license = default_license;

if (use_defaults) {
// Use all defaults
print("Creating package.json with defaults...");
} else {
// Interactive mode - for now just use defaults
// (Full interactive mode would need readline support)
print("Creating package.json...");
print(" name: " + pkg_name);
print(" version: " + pkg_version);
print(" license: " + pkg_license);
// Interactive mode
print("This utility will walk you through creating a package.json file.");
print("Press ^C at any time to quit.");
print("");

// Prompt for each field
pkg_name = prompt("package name", default_name);

// Validate package name format
let name_valid = false;
while (!name_valid) {
let parts = manifest.split_name(pkg_name);
if (parts == null) {
print(" Package name must be in owner/repo format (e.g., " + default_name + ")");
pkg_name = prompt("package name", default_name);
} else {
name_valid = true;
}
}

pkg_version = prompt("version", default_version);

// Validate version format
let version_valid = false;
while (!version_valid) {
let parsed = semver.parse(pkg_version);
if (parsed == null) {
print(" Version must be valid semver (e.g., 1.0.0)");
pkg_version = prompt("version", default_version);
} else {
version_valid = true;
}
}

pkg_description = prompt("description", default_description);
pkg_main = prompt("entry point", default_main);
pkg_author = prompt("author", default_author);
pkg_license = prompt("license", default_license);

// Show preview
print("");
print("About to write to " + project_dir + "/package.json:");
print("");
print("{");
print(" \"name\": \"" + pkg_name + "\",");
print(" \"version\": \"" + pkg_version + "\",");
if (pkg_description.length > 0) {
print(" \"description\": \"" + pkg_description + "\",");
}
if (pkg_author.length > 0) {
print(" \"author\": \"" + pkg_author + "\",");
}
print(" \"license\": \"" + pkg_license + "\",");
print(" \"main\": \"" + pkg_main + "\",");
print(" \"dependencies\": {},");
print(" \"devDependencies\": {}");
print("}");
print("");

// Confirm
let confirmed = prompt_confirm("Is this OK?", true);
if (!confirmed) {
print("Aborted.");
env.exit(EXIT_SUCCESS);
}
}

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

manifest.write_manifest(project_dir, pkg);
print("Created package.json");
Expand Down