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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::InitFlags;
use crate::colors;
use crate::deno_std;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use log::info;
use std::io::Write;
use std::path::Path;
fn create_file(
dir: &Path,
filename: &str,
content: &str,
) -> Result<(), AnyError> {
let path = dir.join(filename);
if path.exists() {
info!(
"ℹ️ {}",
colors::gray(format!("Skipped creating {filename} as it already exists"))
);
Ok(())
} else {
let mut file = std::fs::OpenOptions::new()
.write(true)
.create_new(true)
.open(path)
.with_context(|| format!("Failed to create {filename} file"))?;
file.write_all(content.as_bytes())?;
Ok(())
}
}
pub fn init_project(init_flags: InitFlags) -> Result<(), AnyError> {
let cwd =
std::env::current_dir().context("Can't read current working directory.")?;
let dir = if let Some(dir) = &init_flags.dir {
let dir = cwd.join(dir);
std::fs::create_dir_all(&dir)?;
dir
} else {
cwd
};
let main_ts = include_str!("./templates/main.ts");
create_file(&dir, "main.ts", main_ts)?;
let main_test_ts = include_str!("./templates/main_test.ts")
.replace("{CURRENT_STD_URL}", deno_std::CURRENT_STD_URL_STR);
create_file(&dir, "main_test.ts", &main_test_ts)?;
create_file(&dir, "deno.json", include_str!("./templates/deno.json"))?;
info!("✅ {}", colors::green("Project initialized"));
info!("");
info!("{}", colors::gray("Run these commands to get started"));
info!("");
if let Some(dir) = init_flags.dir {
info!(" cd {}", dir);
info!("");
}
info!(" {}", colors::gray("# Run the program"));
info!(" deno run main.ts");
info!("");
info!(
" {}",
colors::gray("# Run the program and watch for file changes")
);
info!(" deno task dev");
info!("");
info!(" {}", colors::gray("# Run the tests"));
info!(" deno test");
Ok(())
}
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