Future<bool> isLink(
String path
)

Checks if type(path, followLinks: false) returns FileSystemEntityType.LINK.

Source

/**
 * Checks if type(path, followLinks: false) returns
 * FileSystemEntityType.LINK.
 */
static Future<bool> isLink(String path) => _getTypeAsync(path, false)
    .then((type) => (type == FileSystemEntityType.LINK._type));