diff --git a/doc/api/errors.md b/doc/api/errors.md index 547d1ff8d23609..0f84af35b87e8a 100644 --- a/doc/api/errors.md +++ b/doc/api/errors.md @@ -1308,8 +1308,14 @@ An invalid `options.protocol` was passed. ### ERR_INVALID_REPL_EVAL_CONFIG -Both `breakEvalOnSigint` and `eval` options were set in the REPL config, which -is not supported. +Both `breakEvalOnSigint` and `eval` options were set in the [`REPL`][] config, +which is not supported. + + +### ERR_INVALID_REPL_INPUT + +The input can or may not be used in the [`REPL`][]. All prohibited inputs are +documented in the [`REPL`][]'s documentation. ### ERR_INVALID_RETURN_PROPERTY @@ -2293,6 +2299,7 @@ such as `process.stdout.on('data')`. [`Class: assert.AssertionError`]: assert.html#assert_class_assert_assertionerror [`ERR_INVALID_ARG_TYPE`]: #ERR_INVALID_ARG_TYPE [`EventEmitter`]: events.html#events_class_eventemitter +[`REPL`]: repl.html [`Writable`]: stream.html#stream_class_stream_writable [`child_process`]: child_process.html [`cipher.getAuthTag()`]: crypto.html#crypto_cipher_getauthtag diff --git a/doc/api/repl.md b/doc/api/repl.md index cc7f3f96da15d7..10f281a2b673d7 100644 --- a/doc/api/repl.md +++ b/doc/api/repl.md @@ -138,16 +138,47 @@ global or scoped variable, the input `fs` will be evaluated on-demand as ``` #### Global Uncaught Exceptions + The REPL uses the [`domain`][] module to catch all uncaught exceptions for that REPL session. This use of the [`domain`][] module in the REPL has these side effects: -* Uncaught exceptions do not emit the [`'uncaughtException'`][] event. +* Uncaught exceptions only emit the [`'uncaughtException'`][] event if the + `repl` is used as standalone program. If the `repl` is included anywhere in + another application, adding this event synchronous will throw an + [`ERR_INVALID_REPL_INPUT`][] error! * Trying to use [`process.setUncaughtExceptionCaptureCallback()`][] throws an [`ERR_DOMAIN_CANNOT_SET_UNCAUGHT_EXCEPTION_CAPTURE`][] error. +As standalone program: + +```js +process.on('uncaughtException', () => console.log('Uncaught')); + +throw new Error('foobar'); +// Uncaught +``` + +When used in another application: + +```js +process.on('uncaughtException', () => console.log('Uncaught')); +// TypeError [ERR_INVALID_REPL_INPUT]: Unhandled exception listeners can not be +// used in the REPL + +throw new Error('foobar'); +// Thrown: +// Error: foobar +``` + #### Assignment of the `_` (underscore) variable