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util: move deprecated utils to runtime deprecation #50488

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util: move deprecated utils to runtime deprecation #50488

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5960c6f
util: runtime deprecation util._extend
marco-ippolito Oct 31, 2023
09e59f2
util: runtime deprecate util.isArray
marco-ippolito Oct 31, 2023
cc52b69
util: runtime deprecation util.isBoolean
marco-ippolito Oct 31, 2023
e0bd8b8
util: runtime deprecation util.isBuffer
marco-ippolito Oct 31, 2023
dca7282
util: runtime deprecate util.isDate
marco-ippolito Oct 31, 2023
f2d35a3
util: runtime deprecate util.isError
marco-ippolito Oct 31, 2023
1c1745b
util: runtime deprecate util.isFunction
marco-ippolito Oct 31, 2023
8d98dd0
util: runtime deprecate util.isNull
marco-ippolito Oct 31, 2023
b14723b
util: runtime deprecate util.isNullOrUndefined
marco-ippolito Oct 31, 2023
a00fdd9
util: runtime deprecate util.isNumber
marco-ippolito Oct 31, 2023
b2c09ce
util: runtime deprecate util.isObject
marco-ippolito Oct 31, 2023
58a1e25
util: runtime deprecate util.isPrimitive
marco-ippolito Oct 31, 2023
d1bc34b
util: runtime deprecate util.isRegExp
marco-ippolito Oct 31, 2023
fd492e1
util: runtime deprecate util.isString
marco-ippolito Oct 31, 2023
e8a7ae2
util: runtime deprecate util.isSymbol
marco-ippolito Oct 31, 2023
e067d7e
util: runtime deprecate util.isUndefined
marco-ippolito Oct 31, 2023
c5e63a1
util: runtime deprecate util.log
marco-ippolito Oct 31, 2023
6bed94f
doc: add migration paths for deprecated utils
marco-ippolito Oct 31, 2023
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142 changes: 110 additions & 32 deletions doc/api/deprecations.md
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Original file line number Diff line number Diff line change
Expand Up @@ -964,6 +964,9 @@ The [`tls.SecurePair`][] class is deprecated. Please use

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -976,7 +979,7 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isArray()`][] API is deprecated. Please use `Array.isArray()`
instead.
Expand All @@ -985,6 +988,9 @@ instead.

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -997,14 +1003,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isBoolean()`][] API is deprecated.
The [`util.isBoolean()`][] API is deprecated. Please use
`typeof arg === 'boolean'` instead.

### DEP0046: `util.isBuffer()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1017,7 +1027,7 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isBuffer()`][] API is deprecated. Please use
[`Buffer.isBuffer()`][] instead.
Expand All @@ -1026,6 +1036,9 @@ The [`util.isBuffer()`][] API is deprecated. Please use

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1038,14 +1051,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isDate()`][] API is deprecated.
The [`util.isDate()`][] API is deprecated. Please use
`arg instanceof Date` instead.
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### DEP0048: `util.isError()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1058,14 +1075,19 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isError()`][] API is deprecated.
The [`util.isError()`][] API is deprecated. Please use
`Object.prototype.toString(arg) === '[object Error]' || arg instanceof Error`
instead.

### DEP0049: `util.isFunction()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1078,14 +1100,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isFunction()`][] API is deprecated.
The [`util.isFunction()`][] API is deprecated. Please use
`typeof arg === 'function'` instead.

### DEP0050: `util.isNull()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1098,14 +1124,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isNull()`][] API is deprecated.
The [`util.isNull()`][] API is deprecated. Please use
`arg === null` instead.

### DEP0051: `util.isNullOrUndefined()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1118,14 +1148,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isNullOrUndefined()`][] API is deprecated.
The [`util.isNullOrUndefined()`][] API is deprecated. Please use
`arg === null || arg === undefined` instead.

### DEP0052: `util.isNumber()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1138,14 +1172,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isNumber()`][] API is deprecated.
The [`util.isNumber()`][] API is deprecated. Please use
`typeof arg === 'number'` instead.

### DEP0053: `util.isObject()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1158,14 +1196,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isObject()`][] API is deprecated.
The [`util.isObject()`][] API is deprecated. Please use
`arg && typeof arg === 'object'` instead.

### DEP0054: `util.isPrimitive()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1178,14 +1220,19 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isPrimitive()`][] API is deprecated.
The [`util.isPrimitive()`][] API is deprecated. Please use
`arg === null || (typeof arg !=='object' && typeof arg !== 'function')`
instead.

### DEP0055: `util.isRegExp()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1198,14 +1245,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isRegExp()`][] API is deprecated.
The [`util.isRegExp()`][] API is deprecated. Please use
`arg instanceof RegExp` instead.

### DEP0056: `util.isString()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1218,14 +1269,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isString()`][] API is deprecated.
The [`util.isString()`][] API is deprecated. Please use
`typeof arg === 'string'` instead.

### DEP0057: `util.isSymbol()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1238,14 +1293,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isSymbol()`][] API is deprecated.
The [`util.isSymbol()`][] API is deprecated. Please use
`typeof arg === 'symbol'` instead.

### DEP0058: `util.isUndefined()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version:
- v6.12.0
- v4.8.6
Expand All @@ -1258,14 +1317,18 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.isUndefined()`][] API is deprecated.
The [`util.isUndefined()`][] API is deprecated. Please use
`arg === undefined` instead.

### DEP0059: `util.log()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version: v6.12.0
pr-url: https://github.com/nodejs/node/pull/10116
description: A deprecation code has been assigned.
Expand All @@ -1274,14 +1337,27 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util.log()`][] API has been deprecated because it's an unmaintained
legacy API that was exposed to user land by accident. Instead,
consider the following alternatives based on your specific needs:

* **Third-Party Logging Libraries**

* **Use `console.log(new Date().toLocaleString(), message)`**

The [`util.log()`][] API is deprecated.
By adopting one of these alternatives, you can transition away from `util.log()`
and choose a logging strategy that aligns with the specific
requirements and complexity of your application.

### DEP0060: `util._extend()`

<!-- YAML
changes:
- version: REPLACEME
pr-url: https://github.com/nodejs/node/pull/50488
description: Runtime deprecation.
- version: v6.12.0
pr-url: https://github.com/nodejs/node/pull/10116
description: A deprecation code has been assigned.
Expand All @@ -1290,9 +1366,11 @@ changes:
description: Documentation-only deprecation.
-->

Type: Documentation-only
Type: Runtime

The [`util._extend()`][] API is deprecated.
The [`util._extend()`][] API is deprecated because it's an unmaintained
legacy API that was exposed to user land by accident.
Please use `target = Object.assign(target, source)` instead.

### DEP0061: `fs.SyncWriteStream`

Expand Down
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