Prime Day returns on October 7th, and this is the hottest deal yet: save 100% of the price of any item on Amazon BY NOT BUYING IT.
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Prime Day returns on October 7th, and this is the hottest deal yet: save 100% of the price of any item on Amazon BY NOT BUYING IT.
Follow me for more money-saving shopping tips! -
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Prime Day returns on October 7th, and this is the hottest deal yet: save 100% of the price of any item on Amazon BY NOT BUYING IT.
Follow me for more money-saving shopping tips! -
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Gli ultimi otto messaggi ricevuti dalla Federazione
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@evan Yes, but it's really the system that allows them to form.
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jesseplusplus@mastodon.social I recently let slip to pfefferle@mastodon.social that "General Discussion" is ActivityPub.Space automatically boosting everything tagged #ActivityPub, and he goes "that's you?!"
😅
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liaizon@social.wake.st hah welcome to the land where air traffic controllers are overworked, underpaid, and nobody who can do anything about it gives a crap.
Ah, what brings you to North America?
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We had started preparing to land in LGA and then suddenly they announced they had to divert because there was too much airtraffic and we didn't have enough gas to wait in the air.
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Released Optique 0.8.0, a type-safe CLI parser for TypeScript.
This version adds conditional() for branching based on a discriminator option, passThrough() for forwarding unknown options to underlying tools, and a new @optique/logtape package for configuring LogTape via CLI.
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Wow my flight got diverted and landed in Philadelphia instead of NYC. First time I've ever had a flight land in a different place then I was expecting. Gonna be a long night
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We're excited to announce Optique 0.8.0! This release introduces powerful new features for building sophisticated CLI applications: the conditional() combinator for discriminated union patterns, the passThrough() parser for wrapper tools, and the new @optique/logtape package for seamless logging configuration.
Optique is a type-safe combinatorial CLI parser for TypeScript, providing a functional approach to building command-line interfaces with composable parsers and full type inference.
New conditional parsing with conditional()Ever needed to enable different sets of options based on a discriminator value? The new conditional() combinator makes this pattern first-class. It creates discriminated unions where certain options only become valid when a specific discriminator value is selected.
import { conditional, object } from "@optique/core/constructs"; import { option } from "@optique/core/primitives"; import { choice, string } from "@optique/core/valueparser"; const parser = conditional( option("--reporter", choice(["console", "junit", "html"])), { console: object({}), junit: object({ outputFile: option("--output-file", string()) }), html: object({ outputFile: option("--output-file", string()) }), } ); // Result type: ["console", {}] | ["junit", { outputFile: string }] | ...Key features:
Explicit discriminator option determines which branch is selected Tuple result [discriminator, branchValue] for clear type narrowing Optional default branch for when discriminator is not provided Clear error messages indicating which options are required for each discriminator valueThe conditional() parser provides a more structured alternative to or() for discriminated union patterns. Use it when you have an explicit discriminator option that determines which set of options is valid.
See the conditional() documentation for more details and examples.
Pass-through options with passThrough()Building wrapper CLI tools that need to forward unrecognized options to an underlying tool? The new passThrough() parser enables legitimate wrapper/proxy patterns by capturing unknown options without validation errors.
import { object } from "@optique/core/constructs"; import { option, passThrough } from "@optique/core/primitives"; const parser = object({ debug: option("--debug"), extra: passThrough(), }); // mycli --debug --foo=bar --baz=qux // → { debug: true, extra: ["--foo=bar", "--baz=qux"] }Key features:
Three capture formats: "equalsOnly" (default, safest), "nextToken" (captures --opt val pairs), and "greedy" (captures all remaining tokens) Lowest priority (−10) ensures explicit parsers always match first Respects -- options terminator in "equalsOnly" and "nextToken" modes Works seamlessly with object(), subcommands, and other combinatorsThis feature is designed for building Docker-like CLIs, build tool wrappers, or any tool that proxies commands to another process.
See the passThrough() documentation for usage patterns and best practices.
LogTape logging integrationThe new @optique/logtape package provides seamless integration with LogTape, enabling you to configure logging through command-line arguments with various parsing strategies.
# Deno deno add --jsr @optique/logtape @logtape/logtape # npm npm add @optique/logtape @logtape/logtapeQuick start with the loggingOptions() preset:
import { loggingOptions, createLoggingConfig } from "@optique/logtape"; import { object } from "@optique/core/constructs"; import { parse } from "@optique/core/parser"; import { configure } from "@logtape/logtape"; const parser = object({ logging: loggingOptions({ level: "verbosity" }), }); const args = ["-vv", "--log-output=-"]; const result = parse(parser, args); if (result.success) { const config = await createLoggingConfig(result.value.logging); await configure(config); }The package offers multiple approaches to control log verbosity:
verbosity() parser: The classic -v/-vv/-vvv pattern where each flag increases verbosity (no flags → "warning", -v → "info", -vv → "debug", -vvv → "trace") debug() parser: Simple --debug/-d flag that toggles between normal and debug levels logLevel() value parser: Explicit --log-level=debug option for direct level selection logOutput() parser: Log output destination with - for console or file path for file outputSee the LogTape integration documentation for complete examples and configuration options.
Bug fix: negative integers now acceptedFixed an issue where the integer() value parser rejected negative integers when using type: "number". The regex pattern has been updated from /^\d+$/ to /^-?\d+$/ to correctly handle values like -42. Note that type: "bigint" already accepted negative integers, so this change brings consistency between the two types.
Installation # Deno deno add jsr:@optique/core # npm npm add @optique/core # pnpm pnpm add @optique/core # Yarn yarn add @optique/core # Bun bun add @optique/coreFor the LogTape integration:
# Deno deno add --jsr @optique/logtape @logtape/logtape # npm npm add @optique/logtape @logtape/logtape # pnpm pnpm add @optique/logtape @logtape/logtape # Yarn yarn add @optique/logtape @logtape/logtape # Bun bun add @optique/logtape @logtape/logtape Looking forwardOptique 0.8.0 continues our focus on making CLI development more expressive and type-safe. The conditional() combinator brings discriminated union patterns to the forefront, passThrough() enables new wrapper tool use cases, and the LogTape integration makes logging configuration a breeze.
As always, all new features maintain full backward compatibility—your existing parsers continue to work unchanged.
We're grateful to the community for feedback and suggestions. If you have ideas for future improvements or encounter any issues, please let us know through GitHub Issues. For more information about Optique and its features, visit the documentation or check out the full changelog.
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me, trying to remember the title "final fantasy vii rebirth": Insane Cloud Posse
