@s0-and-s0.bsky.socialNodeJS has a built-in argument parser
Wrapping it with something that can handle type/value mutation is reasonably trivial
And cluing-in TypeScript to mutations makes development a little less annoying, and a little less error prone too :-]
![```typescript
/**
* @file NodeJS builtin argument parsing example with TypeScript enhanced callbacks
* @author S0AndS0.eth
* @license This is your problem now (-;
*/
import type { ParseArgsConfig } from "node:util";
import { parseArgs } from "node:util";
type Apply_Callbacks<
T extends ParseArgsConfig,
Values = ReturnType<typeof parseArgs<T>>["values"],
Options = T["options"],
> = {
[Key in keyof Values]: Options[Key]["callback"] extends Function
? ReturnType<Options[Key]["callback"]>
: Values[Key];
};
function parseArguments<T extends ParseArgsConfig>(config?: T) {
const result = parseArgs(config);
result.values = Object.entries(result.values).reduce(
(accumulator, [key, value], _index, array) => {
const callback = config?.options[key].callback;
if (callback) {
accumulator[key] = callback({ value, values: array });
} else {
accumulator[key] = value;
}
return accumulator;
},
{} as Apply_Callbacks<T>
);
return result as Omit<ReturnType<typeof parseArgs<T>>, "values"> & {
values: Apply_Callbacks<T>;
};
}
const options = {
verbose: {
type: "boolean",
short: "v",
description: "Output additional information during execution.",
},
"as-number": {
type: "string",
description:
"Throws error if given non-number during CLI argument parsing/conversion.",
callback: ({ value }: { value: string }) => {
const result = Number(value);
if (Number.isNaN(result)) {
throw new Error("Not a number given to: --as-number <value>");
}
return result;
},
},
} as const;
const { values } = parseArguments({ options });
/* Should now resolve to; number | undefined */
type Test_as_number = (typeof values)["as-number"];
/* Should now resolve to; boolean | undefined */
type Test_verbose = (typeof values)["verbose"];
```](https://cdn.bsky.app/img/feed_fullsize/plain/did:plc:rxh54z4q44ahcswnale26pn2/bafkreihcoojcwe3dlnrcbz7i3tz6qoo75ve2rxyuq5cbvj3rkzhaq4jywy@jpeg)
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@nodeconf.eu📍 September 29–30, Bologna, Italy.
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@jazzcomposer.bsky.socialAlthough AI vibe software development coding may appear to be fast, the results often do not work correctly or make it into successful production products. #dev #code #python #linux #vibecode #php #nodejs
@jazzcomposer.bsky.socialAlthough AI vibe software development coding may appear to be fast, the results often do not work correctly or make it into successful production products. #dev #code #python #linux #vibecode #php #nodejs
@jazzcomposer.bsky.socialAlthough AI vibe software development coding may appear to be fast, the results often do not work correctly or make it into successful production products. #dev #code #python #linux #vibecode #php #nodejs
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@alex.sharkey.pnyhf.eu.ap.brid.gy#Dashy is (at least in my opinion) a very nice, and above all, simple, personal dashboard for self-hosting.
BUT WHY THE ACTUAL F*CK DOES THE DOCKER IMAGE WEIGH IN AT 546MB?