63 lines
2.3 KiB
TypeScript
63 lines
2.3 KiB
TypeScript
/**
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* The one-shot app's command-line provider: it parses the task positional and
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* `--help`, then publishes {@link HEADLESS_STARTUP_SERVICE}. The runner is an
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* ordinary consumer whose lazy config waits for that service.
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* @module @deepseek-ai/dsh-headless/startup
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*/
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import { Command } from 'commander'
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import type { Context } from '@deepseek-ai/cordis'
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import { parseCmdline } from '@deepseek-ai/dsh-cmdline'
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/** Stable Cordis plugin name. */
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export const name = 'headless-startup'
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/** Services required before the task can be resolved. */
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export const inject = ['cmdlineArgs']
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/** Service provided by this plugin and injected by the one-shot runner. */
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export const HEADLESS_STARTUP_SERVICE = 'headlessStartup'
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/** What the runner row reads from {@link HEADLESS_STARTUP_SERVICE}. */
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export interface HeadlessStartupValues {
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/** The task text this invocation asked for. */
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task: string
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}
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/**
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* This app's command: the task positional, its description, and its help text.
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* @returns a fresh program, so one process can parse more than once (tests).
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*/
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function headlessCommand(): Command {
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return new Command()
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.name('dsh --profile headless')
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.description('Answer one task, print the final assistant message, and exit.')
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.helpOption('-h, --help', 'show this help')
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.argument('[task...]', 'the task text; multiple words are joined by spaces')
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.addHelpText('after', `
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Examples:
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dsh --profile headless "run the tests" answer one task and exit
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`)
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}
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/**
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* Turn the parsed command line into the runner's task.
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* @param program - the parsed headless command.
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* @returns the runner's service value.
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*/
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function planHeadlessStartup(program: Command): HeadlessStartupValues {
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const task = program.args.join(' ')
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if (task.trim() === '') program.error('error: a task is required, for example: dsh --profile headless "run the tests"')
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return { task }
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}
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/**
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* Parse and provide the one-shot task as an ordinary Cordis service.
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* @param ctx - plugin context carrying the command line.
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* @returns nothing once the task is provided, or when the command requested exit.
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*/
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export function apply(ctx: Context): void {
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const values = parseCmdline(ctx, headlessCommand(), planHeadlessStartup)
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if (values !== undefined) ctx.provide(HEADLESS_STARTUP_SERVICE, values)
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}
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