Block

Create an indented block of source text. The block has opener text which is added prior to the block, which defaults to "{", and closer text which is added after the block, which defaults to "}".

jsx

import { Block } from "@alloy-js/core";

<Block closer="string" inline newline opener="string">
  {children}
</Block>

stc

import { Block } from "@alloy-js/core/stc";

Block({
  closer: string,
  inline: boolean,
  newline: boolean,
  opener: string,
}).children(children)

Props

children	optional Children	The block’s contents
closer	optional string	The closing punctuation of the block. Defaults to ”}“.
inline	optional boolean	If true the block will not indent the content into new lines
newline	optional boolean	Whether the block starts on a new line. When true, a hardline is added prior to the block. If inline is true, this will only apply if the block is also split due to breaking.
opener	optional string	The opening punctuation of the block. Defaults to ”{”.

Remarks

When children is empty, Block renders as {} (opener immediately followed by closer) with no indented content — no explicit empty check is needed before passing children.

Example

// Safe even when props.members is empty — renders `{}`
<Block>{props.members}</Block>