2024-01-01 14:58:21 -05:00
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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2022-08-19 19:37:05 -04:00
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use crate::args::InitFlags;
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2022-12-08 00:34:28 -05:00
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use crate::colors;
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2022-08-29 14:19:54 -04:00
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use deno_core::anyhow::Context;
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use deno_core::error::AnyError;
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2024-07-09 21:13:34 -04:00
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use deno_core::serde_json::json;
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2022-09-02 11:59:36 -04:00
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use log::info;
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2022-08-19 19:37:05 -04:00
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use std::io::Write;
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use std::path::Path;
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2024-03-11 23:48:00 -04:00
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pub fn init_project(init_flags: InitFlags) -> Result<(), AnyError> {
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2022-08-19 19:37:05 -04:00
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let cwd =
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std::env::current_dir().context("Can't read current working directory.")?;
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let dir = if let Some(dir) = &init_flags.dir {
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let dir = cwd.join(dir);
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std::fs::create_dir_all(&dir)?;
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dir
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} else {
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cwd
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};
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2024-07-09 21:13:34 -04:00
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if init_flags.lib {
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// Extract the directory name to use as the project name
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let project_name = dir
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.file_name()
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.unwrap_or_else(|| dir.as_os_str())
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.to_str()
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.unwrap();
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create_file(
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&dir,
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"mod.ts",
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r#"export function add(a: number, b: number): number {
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return a + b;
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}
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"#,
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)?;
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create_file(
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&dir,
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"mod_test.ts",
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r#"import { assertEquals } from "jsr:@std/assert";
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import { add } from "./mod.ts";
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Deno.test(function addTest() {
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assertEquals(add(2, 3), 5);
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});
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"#,
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)?;
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create_json_file(
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&dir,
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"deno.json",
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&json!({
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"name": project_name,
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"version": "1.0.0",
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"exports": "./mod.ts",
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"tasks": {
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"dev": "deno test --watch mod.ts"
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}
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}),
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)?;
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} else {
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create_file(
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&dir,
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"main.ts",
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r#"export function add(a: number, b: number): number {
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return a + b;
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}
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// Learn more at https://deno.land/manual/examples/module_metadata#concepts
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if (import.meta.main) {
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console.log("Add 2 + 3 =", add(2, 3));
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}
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"#,
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)?;
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create_file(
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&dir,
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"main_test.ts",
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r#"import { assertEquals } from "jsr:@std/assert";
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import { add } from "./main.ts";
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2022-08-19 19:37:05 -04:00
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2024-07-09 21:13:34 -04:00
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Deno.test(function addTest() {
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assertEquals(add(2, 3), 5);
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});
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"#,
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)?;
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create_json_file(
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&dir,
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"deno.json",
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&json!({
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"tasks": {
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"dev": "deno run --watch main.ts"
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}
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}),
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)?;
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}
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2022-12-08 00:34:28 -05:00
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info!("✅ {}", colors::green("Project initialized"));
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info!("");
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info!("{}", colors::gray("Run these commands to get started"));
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info!("");
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2022-08-19 19:37:05 -04:00
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if let Some(dir) = init_flags.dir {
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2022-09-02 11:59:36 -04:00
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info!(" cd {}", dir);
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2022-12-08 00:34:28 -05:00
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info!("");
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2022-08-19 19:37:05 -04:00
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}
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2024-07-09 21:13:34 -04:00
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if init_flags.lib {
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info!(" {}", colors::gray("# Run the tests"));
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info!(" deno test");
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info!("");
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info!(
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" {}",
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colors::gray("# Run the tests and watch for file changes")
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);
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info!(" deno task dev");
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info!("");
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info!(" {}", colors::gray("# Publish to JSR (dry run)"));
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info!(" deno publish --dry-run");
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} else {
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info!(" {}", colors::gray("# Run the program"));
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info!(" deno run main.ts");
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info!("");
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info!(
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" {}",
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colors::gray("# Run the program and watch for file changes")
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);
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info!(" deno task dev");
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info!("");
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info!(" {}", colors::gray("# Run the tests"));
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info!(" deno test");
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}
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2022-08-19 19:37:05 -04:00
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Ok(())
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}
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2024-07-09 21:13:34 -04:00
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fn create_json_file(
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dir: &Path,
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filename: &str,
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value: &deno_core::serde_json::Value,
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) -> Result<(), AnyError> {
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let mut text = deno_core::serde_json::to_string_pretty(value)?;
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text.push('\n');
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create_file(dir, filename, &text)
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}
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fn create_file(
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dir: &Path,
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filename: &str,
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content: &str,
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) -> Result<(), AnyError> {
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let path = dir.join(filename);
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if path.exists() {
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info!(
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"ℹ️ {}",
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colors::gray(format!("Skipped creating {filename} as it already exists"))
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);
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Ok(())
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} else {
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let mut file = std::fs::OpenOptions::new()
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.write(true)
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.create_new(true)
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.open(path)
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.with_context(|| format!("Failed to create {filename} file"))?;
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file.write_all(content.as_bytes())?;
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Ok(())
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}
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}
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