able-baker/cli.tsx

257 lines
7.1 KiB
TypeScript

import { parse as JSONC } from "https://deno.land/x/jsonct@v0.1.0/mod.ts";
const RootFile = new URL(`file://${Deno.cwd().replaceAll("\\", "/")}`).toString();
const RootHost = import.meta.resolve("./");
type ConfigCheck = {path?:string, text?:string, json?:Record<string, string|Record<string, string|string[]>>};
type ConfigCheckPair = [config:ConfigCheck, imports:ConfigCheck];
export async function HuntConfig()
{
let path:string, resp:Response, text="", json;
try
{
path = "deno.json"
resp = await fetch(RootFile + "/" + path);
text = await resp.text();
}
catch(e)
{
try
{
path = "deno.jsonc";
resp = await fetch(RootFile + "/" + path);
text = await resp.text();
}
catch(e)
{
try
{
path = RootFile+"/.vscode/settings.json"
resp = await fetch(path);
json = await resp.json();
path = json["deno.config"];
json = undefined;
if(path)
{
path = RootFile + "/" + path
resp = await fetch(path);
text = await resp.text();
}
}
catch(e)
{
path = "";
}
}
}
if(text)
{
try
{
json = JSONC(text);
}
catch(e)
{
// malformed config
}
}
let imports:ConfigCheck = {};
if(json && json.imports)
{
imports.json = json;
imports.text = JSON.stringify(json.imports);
imports.path = path;
}
else if(json && !json.imports && json.importMap)
{
try
{
imports.path = RootFile + "/" + json.importMap;
resp = await fetch(imports.path);
imports.text = await resp.text();
imports.json = JSONC(text);
}
catch(e)
{
// malformed import map
}
}
return [{path, text, json}, imports] as ConfigCheckPair
}
async function Prompt(question: string):Promise<string>
{
const buf = new Uint8Array(1024);
await Deno.stdout.write(new TextEncoder().encode(question));
const bytes = await Deno.stdin.read(buf);
if (bytes) {
return new TextDecoder().decode(buf.subarray(0, bytes)).trim();
}
throw new Error("Unexpected end of input");
}
export async function SubProcess(args:string[])
{
const command = new Deno.Command(
`deno`,
{
args,
stdin: "piped",
stdout: "piped"
}
);
const child = command.spawn();
// open a file and pipe the subprocess output to it.
const writableStream = new WritableStream({
write(chunk: Uint8Array): Promise<void> {
Deno.stdout.write(chunk);
return Promise.resolve();
},
});
child.stdout.pipeTo(writableStream);
// manually close stdin
child.stdin.close();
const status = await child.status;
}
export async function Install(file:string, handler:(content:string)=>string = (s)=>s)
{
const pathFile = RootHost + "install__/" + file;
try{
const check = await Deno.readTextFile(Deno.cwd()+"/"+file);
const replace = await Prompt(`The file "${file}" already exists. Replace it? [y/n]`);
if(replace == "y")
{
throw("")
}
console.log(`Skipping "${file}" for now.`);
}
catch(e)
{
const resp = await fetch(pathFile);
const text = await resp.text();
await Deno.writeTextFile(Deno.cwd()+"/"+file, handler(text));
}
}
try
{
let [config, imports] = await HuntConfig();
console.log(`1) Checking for Deno configuration...`)
if(!config.path)
{
const resp1 = await Prompt(" ! No Deno configuration found. Create one? [y/n]");
if(resp1 == "y")
{
const resp2 = await Prompt(" ? Do you also want to add starter files? [y/n]");
let replaceApp = "./path/to/app.tsx";
let replaceApi = "./path/to/api.tsx";
let replaceCommentApp = "// (required) module with default export ()=>React.JSX.Element";
let replaceCommentApi = "// (optional) module with default export (req:Request, url:URL)=>Promise<Response|false>";
if(resp2 == "y")
{
replaceApp = "./app.tsx";
replaceApi = "./api.tsx";
replaceCommentApp = "";
replaceCommentApi = "";
await Install("app.tsx");
await Install("api.tsx");
}
else
{
// config initialized with no app or api
}
await Install("deno.jsonc", (s)=>s
.replace("{{server}}", RootHost)
.replace("{{app}}", replaceApp)
.replace("{{api}}", replaceApi)
.replace("{{commentApp}}", replaceCommentApp)
.replace("{{commentApi}}", replaceCommentApi)
);
[config, imports] = await HuntConfig();
}
else
{
throw(" X Config is required.");
}
}
/*
const inputString = `Some text 'imports' more text { some content }`;
const regex = /(?<=(['"`])imports\1[^{}]*{)/;
const match = inputString.search(regex);
if (match !== -1) {
console.log("Index of '{':", match);
} else {
console.log("'{': Not found.");
}
*/
console.log(`2) Verifying configuration...`)
if(config.json && imports.json?.imports)
{
const importMap = imports.json.imports as Record<string, string>;
let changes = false;
if(!importMap["react"])
{
const resp = await Prompt(` ! Import map has no specifier for React. Add it now? (will use Preact compat) [y/n]`);
if(resp == "y")
{
importMap["react"] = "https://esm.sh/preact@10.16.0/compat";
changes = true;
}
else
{
throw(" X A React import is required.");
}
}
if(!importMap[">able/"])
{
const resp = await Prompt(` ! Import map has no specifier for Able (">able/"). Add it now? [y/n]`);
if(resp == "y")
{
importMap[">able/"] = RootHost;
changes = true;
}
else
{
throw(" X Able is required.");
}
}
const compOpts = imports.json.compilerOptions as Record<string, string>;
if(compOpts)
{
const compJSX = compOpts["jsx"];
const compJSXImportSource = compOpts["jsxImportSource"]
if(compJSX || compJSXImportSource)
{
if(!importMap["react/"])
{
//const resp = await Prompt(` ! Import map has no specifier for React ("react"). Add it now? [y/n]`);
}
}
}
}
}
catch(e)
{
console.log(e, "\n (Able Exiting...)");
Deno.exit();
}