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const multiline = require( './multiline' );
function uniqueMatchId( match ) {
return ' msgid=' + match.single + ' ctxt=' + ( match.context || '' );
}
// Reference for the PO format: http://www.gnu.org/software/gettext/manual/gettext.html#PO-Files
// More details: http://pology.nedohodnik.net/doc/user/en_US/ch-poformat.html
module.exports = function pot( matches, options ) {
const uniqueMatchesMap = {};
let output;
// default match for the header
uniqueMatchesMap[ uniqueMatchId( { single: '' } ) ] = true;
output = '# THIS IS A GENERATED FILE. DO NOT EDIT DIRECTLY.\n';
if ( options.copyrightNotice ) {
if ( Array.isArray( options.copyrightNotice ) ) {
output += '# ' + options.copyrightNotice.join( '\n#' );
} else {
output += '# ' + options.copyrightNotice;
}
output += '\n';
}
output += '\n';
output +=
options.potHeader ||
[
'msgid ""',
'msgstr ""',
'"Project-Id-Version: _s ' + ( options.projectName || '' ) + '\\n"',
'"Report-Msgid-Bugs-To: ' + ( options.projectBugsUrl || '' ) + '\\n"',
'"POT-Creation-Date: ' + new Date().toISOString() + '\\n"',
'"MIME-Version: 1.0\\n"',
'"Content-Type: text/plain; charset=UTF-8\\n"',
'"Content-Transfer-Encoding: 8bit\\n"',
'"PO-Revision-Date: 2014-MO-DA HO:MI+ZONE\\n"',
'"Last-Translator: FULL NAME <EMAIL@ADDRESS>\\n"',
'"Language-Team: LANGUAGE <LL@li.org>\\n"',
'',
].join( '\n' );
output += '\n';
matches = matches
.map( function ( match ) {
const matchId = uniqueMatchId( match );
const firstMatch = uniqueMatchesMap[ matchId ];
if ( ! firstMatch ) {
match.lines = {};
match.comments = {};
uniqueMatchesMap[ matchId ] = match;
}
// Aggregate lines and comments for output later.
if ( match.line ) {
uniqueMatchesMap[ matchId ].lines[ match.line ] = true;
}
if ( match.comment ) {
uniqueMatchesMap[ matchId ].comments[ match.comment ] = true;
}
if ( ! uniqueMatchesMap[ matchId ].plural && match.plural ) {
// We group singular only-s and version with plurals, so make sure that we keep the plural
uniqueMatchesMap[ matchId ].plural = match.plural;
}
// ignore this match now that we have updated the first match
if ( firstMatch ) {
return undefined;
}
return match;
} )
.filter( function ( match ) {
// removes undefined
return match;
} );
output += matches
.map( function ( match ) {
let matchPotStr = '';
matchPotStr += Object.keys( match.lines )
.map( function ( line ) {
return '#: ' + line + '\n';
} )
.join( '' );
matchPotStr += Object.keys( match.comments )
.map( function ( commentLine ) {
return '#. ' + commentLine + '\n';
} )
.join( '' );
if ( match.context ) {
matchPotStr += 'msgctxt ' + multiline( match.context, 'msgctxt ' ) + '\n';
}
matchPotStr += 'msgid ' + multiline( match.single, 'msgid ' ) + '\n';
if ( match.plural ) {
matchPotStr += 'msgid_plural ' + multiline( match.plural, 'msgid_plural ' ) + '\n';
matchPotStr += 'msgstr[0] ""\n';
matchPotStr += 'msgstr[1] ""\n';
} else {
matchPotStr += 'msgstr ""\n';
}
return matchPotStr;
} )
.join( '\n' );
output += '\n# THIS IS THE END OF THE GENERATED FILE.\n';
return output;
};
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