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feat: add ability to override NODE_ENV #638

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merged 1 commit into from
Oct 17, 2024
Merged

feat: add ability to override NODE_ENV #638

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ See the [V4 Migration Guide](./MIGRATION.md) if you are migrating from v3 or old

- `print` - Print everything that goes to stdout and stderr.
- `stripAnsi` - Strip ansi codes from everything that goes to stdout and stderr. Defaults to true.
- `testNodeEnv` - Sets the `NODE_ENV` value when capturing output. Defaults to `'test'`.

See the [tests](./test/capture-output.test.ts) for example usage.

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4 changes: 3 additions & 1 deletion src/index.ts
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Expand Up @@ -8,6 +8,7 @@ const debug = makeDebug('oclif-test')
type CaptureOptions = {
print?: boolean
stripAnsi?: boolean
testNodeEnv?: string
}

type CaptureResult<T> = {
Expand Down Expand Up @@ -77,6 +78,7 @@ function splitString(str: string): string[] {
export async function captureOutput<T>(fn: () => Promise<unknown>, opts?: CaptureOptions): Promise<CaptureResult<T>> {
const print = opts?.print ?? false
const stripAnsi = opts?.stripAnsi ?? true
const testNodeEnv = opts?.testNodeEnv || 'test'

const originals = {
NODE_ENV: process.env.NODE_ENV,
Expand Down Expand Up @@ -112,7 +114,7 @@ export async function captureOutput<T>(fn: () => Promise<unknown>, opts?: Captur

process.stdout.write = mock('stdout')
process.stderr.write = mock('stderr')
process.env.NODE_ENV = 'test'
process.env.NODE_ENV = testNodeEnv

try {
const result = await fn()
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