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//! Info on JavaScript identifiers.
use unicode_id::UnicodeID;
/// Check if a character can start a JS identifier.
#[must_use]
pub fn id_start(char: char) -> bool {
UnicodeID::is_id_start(char) || matches!(char, '$' | '_')
}
/// Check if a character can continue a JS (or JSX) identifier.
#[must_use]
pub fn id_cont(char: char, jsx: bool) -> bool {
UnicodeID::is_id_continue(char)
|| matches!(char, '\u{200c}' | '\u{200d}')
|| (jsx && char == '-')
}
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