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doc: add added: information for util #8206

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104 changes: 103 additions & 1 deletion doc/api/util.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,9 @@ const util = require('util');
```

## util.debuglog(section)
<!-- YAML
added: v0.11.3
-->

* `section` {String} A string identifying the portion of the application for
which the `debuglog` function is being created.
Expand Down Expand Up @@ -45,6 +48,9 @@ Multiple comma-separated `section` names may be specified in the `NODE_DEBUG`
environment variable. For example: `NODE_DEBUG=fs,net,tls`.

## util.deprecate(function, string)
<!-- YAML
added: v0.8.0
-->

The `util.deprecate()` method wraps the given `function` or class in such a way that
it is marked as deprecated.
Expand Down Expand Up @@ -83,6 +89,9 @@ property take precedence over `--trace-deprecation` and
`process.traceDeprecation`.

## util.format(format[, ...])
<!-- YAML
added: v0.5.3
-->

* `format` {string} A `printf`-like format string.

Expand Down Expand Up @@ -125,6 +134,9 @@ util.format(1, 2, 3); // '1 2 3'
```

## util.inherits(constructor, superConstructor)
<!-- YAML
added: v0.3.0
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This is when the module has been renamed. It was called sys before, not sure if it's better to show when the method was added to sys.

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This is probably fine.

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I think of the added marks as a reference for the user to understand "how far back can I expect this thing to be in this place", so existence elsewhere before then is kind of irrelevant.

-->

_Note: usage of `util.inherits()` is discouraged. Please use the ES6 `class` and
`extends` keywords to get language level inheritance support. Also note that
Expand Down Expand Up @@ -166,6 +178,9 @@ stream.write('It works!'); // Received data: "It works!"
```

## util.inspect(object[, options])
<!-- YAML
added: v0.3.0
-->

* `object` {any} Any JavaScript primitive or Object.
* `options` {Object}
Expand Down Expand Up @@ -272,6 +287,9 @@ util.inspect(obj);
```

### util.inspect.defaultOptions
<!-- YAML
added: v6.4.0
-->

The `defaultOptions` value allows customization of the default options used by
`util.inspect`. This is useful for functions like `console.log` or
Expand All @@ -294,6 +312,10 @@ The following APIs have been deprecated and should no longer be used. Existing
applications and modules should be updated to find alternative approaches.

### util.debug(string)
<!-- YAML
added: v0.3.0
deprecated: v0.11.3
-->

> Stability: 0 - Deprecated: Use [`console.error()`][] instead.
Expand All @@ -302,6 +324,10 @@ applications and modules should be updated to find alternative approaches.
Deprecated predecessor of `console.error`.

### util.error([...])
<!-- YAML
added: v0.3.0
deprecated: v0.11.3
-->

> Stability: 0 - Deprecated: Use [`console.error()`][] instead.
Expand All @@ -310,6 +336,10 @@ Deprecated predecessor of `console.error`.
Deprecated predecessor of `console.error`.

### util.isArray(object)
<!-- YAML
added: v0.6.0
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -331,6 +361,10 @@ util.isArray({});
```

### util.isBoolean(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -350,6 +384,10 @@ util.isBoolean(false);
```

### util.isBuffer(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated: Use [`Buffer.isBuffer()`][] instead.
Expand All @@ -369,6 +407,10 @@ util.isBuffer(Buffer.from('hello world'));
```

### util.isDate(object)
<!-- YAML
added: v0.6.0
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -388,6 +430,10 @@ util.isDate({});
```

### util.isError(object)
<!-- YAML
added: v0.6.0
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand Down Expand Up @@ -423,6 +469,10 @@ util.isError(obj);
```

### util.isFunction(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -446,6 +496,10 @@ util.isFunction(Bar);
```

### util.isNull(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -466,6 +520,10 @@ util.isNull(null);
```

### util.isNullOrUndefined(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -486,6 +544,10 @@ util.isNullOrUndefined(null);
```

### util.isNumber(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -507,6 +569,10 @@ util.isNumber(NaN);
```

### util.isObject(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -529,6 +595,10 @@ util.isObject(function(){});
```

### util.isPrimitive(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand Down Expand Up @@ -561,6 +631,10 @@ util.isPrimitive(new Date());
```

### util.isRegExp(object)
<!-- YAML
added: v0.6.0
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -580,6 +654,10 @@ util.isRegExp({});
```

### util.isString(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -601,6 +679,10 @@ util.isString(5);
```

### util.isSymbol(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -620,6 +702,10 @@ util.isSymbol(Symbol('foo'));
```

### util.isUndefined(object)
<!-- YAML
added: v0.11.5
deprecated: v4.0.0
-->

> Stability: 0 - Deprecated
Expand All @@ -640,6 +726,10 @@ util.isUndefined(null);
```

### util.log(string)
<!-- YAML
added: v0.3.0
deprecated: v6.0.0
-->

> Stability: 0 - Deprecated: Use a third party module instead.
Expand All @@ -655,18 +745,30 @@ util.log('Timestamped message.');
```

### util.print([...])
<!-- YAML
added: v0.3.0
deprecated: v0.11.3
-->

> Stability: 0 - Deprecated: Use [`console.log()`][] instead.
Deprecated predecessor of `console.log`.

### util.puts([...])
<!-- YAML
added: v0.3.0
deprecated: v0.11.3
-->

> Stability: 0 - Deprecated: Use [`console.log()`][] instead.
Deprecated predecessor of `console.log`.

### util._extend(obj)
### util.\_extend(obj)
<!-- YAML
added: v0.7.5
deprecated: v6.0.0
-->

> Stability: 0 - Deprecated: Use [`Object.assign()`] instead.
Expand Down