util: remove custom inspection function

This removes the deprecated custom inspection function and fixes
all tests accordingly.

Refs: https://github.com/nodejs/node/issues/15549

PR-URL: https://github.com/nodejs/node/pull/20722
Refs: https://github.com/nodejs/node/issues/15549
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 6 insertions, 10 deletions

diff --git a/doc/api/util.md b/doc/api/util.md
index bec24e6410..5374fe0f49 100644
--- a/doc/api/util.md
+++ b/doc/api/util.md
@@ -393,8 +393,9 @@ changes:
   * `colors` {boolean} If `true`, the output will be styled with ANSI color
     codes. Colors are customizable, see [Customizing `util.inspect` colors][].
     **Default:** `false`.
-  * `customInspect` {boolean} If `false`, then custom `inspect(depth, opts)`
-    functions will not be called. **Default:** `true`.
+  * `customInspect` {boolean} If `false`, then
+    `[util.inspect.custom](depth, opts)` functions will not be called.
+    **Default:** `true`.
   * `showProxy` {boolean} If `true`, then objects and functions that are
     `Proxy` objects will be introspected to show their `target` and `handler`
     objects. **Default:** `false`.
@@ -416,7 +417,6 @@ changes:
     objects the same as arrays. Note that no text will be reduced below 16
     characters, no matter the `breakLength` size. For more information, see the
     example below. **Default:** `true`.
-
 * Returns: {string} The representation of passed object
 
 The `util.inspect()` method returns a string representation of `object` that is
@@ -450,10 +450,6 @@ const util = require('util');
 console.log(util.inspect(util, { showHidden: true, depth: null }));
 ```
 
-Values may supply their own custom `inspect(depth, opts)` functions, when
-called these receive the current `depth` in the recursive inspection, as well as
-the options object passed to `util.inspect()`.
-
 The following example highlights the difference with the `compact` option:
 
 ```js
@@ -568,9 +564,9 @@ terminals.
 
 <!-- type=misc -->
 
-Objects may also define their own `[util.inspect.custom](depth, opts)`
-(or the equivalent but deprecated `inspect(depth, opts)`) function that
-`util.inspect()` will invoke and use the result of when inspecting the object:
+Objects may also define their own `[util.inspect.custom](depth, opts)` function
+that `util.inspect()` will invoke and use the result of when inspecting the
+object:
 
 ```js
 const util = require('util');