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fix(examples): run coverage subprocesses from built libs

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This commit is contained in:
imccyu
2026-07-17 21:10:04 +08:00
parent b4ab7debb7
commit de19c6ca08
7 changed files with 47 additions and 13 deletions
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23
packages/support/loader-smoke/src/index.ts
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@@ -17,7 +17,6 @@ import { spawn } from 'node:child_process'
import { mkdtemp, rm } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { fileURLToPath } from 'node:url'
const DEFAULT_PROCESS_TIMEOUT_MS = 30_000
@@ -54,6 +53,8 @@ export function resolveExampleMode(raw: string | undefined = process.env[EXAMPLE
export interface ExampleLaunchOptions {
/** Absolute path to the example bin's TypeScript source entry (`<pkg>/src/bin.ts`); the `lib` bin is derived from it. */
readonly srcBin: string
/** Explicit plain-Node entry for `lib` mode; test fixtures may point this at Node-type-strippable TypeScript. */
readonly libBin?: string | undefined
/** Arguments passed after the bin — the config, positional (`[configPath]`) or flagged (`['--config', configPath]`). */
readonly configArgs?: readonly string[]
/** The mode to launch in; defaults to {@link resolveExampleMode} of the environment. */
@@ -78,11 +79,14 @@ export interface ExampleLaunch {
/** Derive the built-lib bin (`<pkg>/lib/<name>.js`) from a source bin (`<pkg>/src/<name>.ts`). */
function toLibBin(srcBin: string): string {
const marker = '/src/'
const cut = srcBin.lastIndexOf(marker)
if (cut === -1) throw new Error(`resolveExampleLaunch: expected a "/src/" segment in bin path ${JSON.stringify(srcBin)}.`)
const tail = srcBin.slice(cut + marker.length).replace(/\.ts$/, '.js')
return `${srcBin.slice(0, cut)}/lib/${tail}`
const markerLength = '/src/'.length
const cut = Math.max(srcBin.lastIndexOf('/src/'), srcBin.lastIndexOf('\\src\\'))
if (cut === -1) {
throw new Error(`resolveExampleLaunch: expected a "/src/" segment or Windows equivalent in bin path ${JSON.stringify(srcBin)}.`)
}
const separator = srcBin.slice(cut, cut + 1)
const tail = srcBin.slice(cut + markerLength).replace(/\.ts$/, '.js')
return `${srcBin.slice(0, cut)}${separator}lib${separator}${tail}`
}
/**
@@ -108,12 +112,12 @@ export function resolveExampleLaunch(options: ExampleLaunchOptions): ExampleLaun
if (options.tsconfigPath === undefined) {
throw new Error("resolveExampleLaunch: 'src' mode needs tsconfigPath for the workspace paths map.")
}
const tsxLoader = fileURLToPath(import.meta.resolve('tsx'))
const tsxLoader = import.meta.resolve('tsx')
env.TSX_TSCONFIG_PATH = options.tsconfigPath
return { command: process.execPath, args: [...flags, '--import', tsxLoader, options.srcBin, ...configArgs], env }
}
return { command: process.execPath, args: [...flags, toLibBin(options.srcBin), ...configArgs], env }
return { command: process.execPath, args: [...flags, options.libBin ?? toLibBin(options.srcBin), ...configArgs], env }
}
/** Inputs that vary between real-Loader example smokes. */
@@ -124,6 +128,8 @@ export interface LoaderSmokeOptions {
readonly tempDirPrefix: string
/** Absolute stdio-agent bin SOURCE path (`<pkg>/src/bin.ts`); the `lib` bin is derived from it. */
readonly binScript: string
/** Explicit plain-Node entry for `lib` mode; intended for test fixtures outside a package `src/` tree. */
readonly libBinScript?: string | undefined
/** Absolute real Loader config path. */
readonly configPath: string
/** Absolute repo tsconfig path used for unbuilt workspace-package resolution (required in `src` mode). */
@@ -158,6 +164,7 @@ export async function runLoaderSmoke(options: LoaderSmokeOptions): Promise<Loade
const processTimeoutMs = options.processTimeoutMs ?? DEFAULT_PROCESS_TIMEOUT_MS
const launch = resolveExampleLaunch({
srcBin: options.binScript,
libBin: options.libBinScript,
configArgs: [options.configPath],
...options.mode !== undefined ? { mode: options.mode } : {},
tsconfigPath: options.tsconfigPath,