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This list catalogs the various JSON variants which have a Perl implementation on
CPAN.


1) **JSON5**. <https://json5.org/>, "JSON for Humans". Allowing more
whitespaces, single-line comment (C++-style), multiline comment (C-style),
single quote for strings, hexadecimal number literal (e.g. 0x123abc), leading
decimal point, trailing decimal point, positive sign in number, trailing commas.

Perl modules: <pm:JSON5>, <pm:File::Serialize::Serializer::JSON5>.


2) **HJSON**. <https://hjson.org>, Human JSON. A JSON variant that aims to be
more user-friendly by allowing comments, unquoted keys, and optional commas.
It's designed to be easier to read and write by humans.

Perl modules: (none so far).


3) **JSONC**. <https://github.com/komkom/jsonc>. JSON with Comments. Also allows
unquoted string values with whitespace as delimiters.

Perl modules: (none so far).


4) **jsonc**. <https://code.visualstudio.com/docs/languages/json#_json-with-comments>.
Another "JSON with Comments", supported by Microsoft Visual Code.

Perl modules: (none so far).


5) **CSON**. <https://github.com/bevry/cson>. CofeeScript Object Notation.
JSON-like data serialization format inspired by CoffeeScript syntax. It allows
for a more concise representation of data by leveraging CoffeeScript's features
such as significant whitespace and optional commas.

Perl modules: (none so far).


6) **RJSON**. <https://relaxedjson.org/>. Relaxed JSON. Trailing commas,
Optional commas, comments (C-style and C++-style), single-quoted &
backtick-quoted strings as well as bare/unquoted, hash key without value (value
will default to `undef`). It touts itself as "going beyond other JSON variants,
including JSON5."

Perl modules: <pm:JSON::Relaxed>.


7) **<pm:JSON::Diffable>**. Basically just allowing for trailing commas.


8) **JSONLines**. <https://jsonlines.org>. A more restrictive JSON format, all
JSON records must fit in one line as newline is the record delimiter. Encoding
must be UTF-8. Convention for line-oriented processing which support JSON. E.g.
for CSV replacement.

Perl moduless: <pm:JSON::Lines>.


9) **YAML**. <https://yaml.org/>. YAML is a superset of JSON. It allows for
indentation-based syntax and various features like references, heredocs, etc.

Perl modules: <pm:YAML>, <pm:YAML::PP>, among others.


MARKDOWN

our $LIST = {
    summary => 'List of JSON variants/extensions',
    description => $text,
    tags => ['task'],
};

Acme::CPANModulesUtil::Misc::populate_entries_from_module_links_in_description;

1;
# ABSTRACT: List of JSON variants/extensions

__END__

=pod

=encoding UTF-8

=head1 NAME

Acme::CPANModules::JSONVariants - List of JSON variants/extensions

=head1 VERSION

This document describes version 0.002 of Acme::CPANModules::JSONVariants (from Perl distribution Acme-CPANModules-JSONVariants), released on 2024-05-10.

=head1 DESCRIPTION

JSON is hugely popular, yet very simple. This has led to various extensions or
variants of JSON.

An overwhelmingly popular extension is comments, because JSON is used a lot in
configuration. Another popular extension is dangling (trailing) comma.

This list catalogs the various JSON variants which have a Perl implementation on
CPAN.

1) B<JSON5>. L<https://json5.org/>, "JSON for Humans". Allowing more
whitespaces, single-line comment (C++-style), multiline comment (C-style),
single quote for strings, hexadecimal number literal (e.g. 0x123abc), leading
decimal point, trailing decimal point, positive sign in number, trailing commas.

Perl modules: L<JSON5>, L<File::Serialize::Serializer::JSON5>.

2) B<HJSON>. L<https://hjson.org>, Human JSON. A JSON variant that aims to be
more user-friendly by allowing comments, unquoted keys, and optional commas.
It's designed to be easier to read and write by humans.

Perl modules: (none so far).

3) B<JSONC>. L<https://github.com/komkom/jsonc>. JSON with Comments. Also allows
unquoted string values with whitespace as delimiters.

Perl modules: (none so far).

4) B<jsonc>. L<https://code.visualstudio.com/docs/languages/json#_json-with-comments>.
Another "JSON with Comments", supported by Microsoft Visual Code.

Perl modules: (none so far).

5) B<CSON>. L<https://github.com/bevry/cson>. CofeeScript Object Notation.
JSON-like data serialization format inspired by CoffeeScript syntax. It allows
for a more concise representation of data by leveraging CoffeeScript's features
such as significant whitespace and optional commas.

Perl modules: (none so far).

6) B<RJSON>. L<https://relaxedjson.org/>. Relaxed JSON. Trailing commas,
Optional commas, comments (C-style and C++-style), single-quoted &
backtick-quoted strings as well as bare/unquoted, hash key without value (value
will default to C<undef>). It touts itself as "going beyond other JSON variants,
including JSON5."

Perl modules: L<JSON::Relaxed>.

7) B<< L<JSON::Diffable> >>. Basically just allowing for trailing commas.

8) B<JSONLines>. L<https://jsonlines.org>. A more restrictive JSON format, all
JSON records must fit in one line as newline is the record delimiter. Encoding
must be UTF-8. Convention for line-oriented processing which support JSON. E.g.
for CSV replacement.

Perl moduless: L<JSON::Lines>.

9) B<YAML>. L<https://yaml.org/>. YAML is a superset of JSON. It allows for
indentation-based syntax and various features like references, heredocs, etc.

Perl modules: L<YAML>, L<YAML::PP>, among others.

=head1 ACME::CPANMODULES ENTRIES

=over

=item L<JSON5>

Author: L<KARUPA|https://metacpan.org/author/KARUPA>

=item L<File::Serialize::Serializer::JSON5>

Author: L<YANICK|https://metacpan.org/author/YANICK>

=item L<JSON::Relaxed>

Author: L<JV|https://metacpan.org/author/JV>

=item L<JSON::Diffable>

Author: L<PHAYLON|https://metacpan.org/author/PHAYLON>

=item L<JSON::Lines>

Author: L<LNATION|https://metacpan.org/author/LNATION>

=item L<YAML>

Author: L<INGY|https://metacpan.org/author/INGY>

=item L<YAML::PP>

Author: L<TINITA|https://metacpan.org/author/TINITA>

=back

=head1 FAQ

=head2 What is an Acme::CPANModules::* module?

An Acme::CPANModules::* module, like this module, contains just a list of module
names that share a common characteristics. It is a way to categorize modules and
document CPAN. See L<Acme::CPANModules> for more details.

=head2 What are ways to use this Acme::CPANModules module?

Aside from reading this Acme::CPANModules module's POD documentation, you can
install all the listed modules (entries) using L<cpanm-cpanmodules> script (from
L<App::cpanm::cpanmodules> distribution):

 % cpanm-cpanmodules -n JSONVariants

Alternatively you can use the L<cpanmodules> CLI (from L<App::cpanmodules>
distribution):

    % cpanmodules ls-entries JSONVariants | cpanm -n

or L<Acme::CM::Get>: