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util: if present, fallback to toString using the %s formatter #27621

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util: if present, fallback to toString using the %s formatter #27621

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doc: update `util.format` formatters documentation
BridgeAR May 13, 2019
0bb8a7f
util: if present, fallback to `toString` using the %s formatter
BridgeAR May 9, 2019
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doc: update util.format formatters documentation 
This includes the information that some inputs are handled
differently than others (e.g., `Symbols` are partially represented
as `NaN`).
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@BridgeAR
BridgeAR committed May 16, 2019
commit 6402452bd196498d6bb8cf287f6f60ec43b32ad6
14 changes: 8 additions & 6 deletions doc/api/util.md
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Expand Up @@ -220,13 +220,15 @@ as a `printf`-like format string which can contain zero or more format
specifiers. Each specifier is replaced with the converted value from the
corresponding argument. Supported specifiers are:

* `%s` - `String` will be used to convert all values except `BigInt` and
`Object`. `BigInt` values will be represented with an `n` and Objects are
* `%s` - `String` will be used to convert all values except `BigInt`, `Object`
and `-0`. `BigInt` values will be represented with an `n` and Objects are
inspected using `util.inspect()` with options
`{ depth: 0, colors: false, compact: 3 }`.
* `%d` - `Number` will be used to convert all values except `BigInt`.
* `%i` - `parseInt(value, 10)` is used for all values except `BigInt`.
* `%f` - `parseFloat(value)` is used for all values.
`{ depth: 0, colors: false, compact: 3 }`.
* `%d` - `Number` will be used to convert all values except `BigInt` and
`Symbol`.
* `%i` - `parseInt(value, 10)` is used for all values except `BigInt` and
`Symbol`.
* `%f` - `parseFloat(value)` is used for all values expect `Symbol`.
* `%j` - JSON. Replaced with the string `'[Circular]'` if the argument contains
circular references.
* `%o` - `Object`. A string representation of an object with generic JavaScript
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