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/*!
* Check files from 'src' for typos; fail if any are found.
*/
/*jshint node:true */
module.exports = function ( grunt ) {
grunt.registerMultiTask( 'typos', function () {
var typosData, typosCSRegExp, typosCIRegExp, file,
options = this.options( {
typos: 'typos.json'
} ),
files = this.filesSrc,
fileCount = files.length,
typosJSON = grunt.file.read( options.typos ),
typoCount = 0,
ok = true;
try {
typosData = JSON.parse( typosJSON );
} catch ( e ) {
grunt.log.error( 'Could not parse ' + options.typos + ': ' + e );
}
typosData.caseSensitive = typosData.caseSensitive || [];
typosData.caseInsensitive = typosData.caseInsensitive || [];
typoCount += typosData.caseSensitive.length + typosData.caseInsensitive.length;
function patternMap( typo ) {
return typo[ 0 ];
}
if ( typosData.caseSensitive.length ) {
typosCSRegExp = new RegExp(
'(' + typosData.caseSensitive.map( patternMap ).join( '|' ) + ')', 'g'
);
}
if ( typosData.caseInsensitive.length ) {
typosCIRegExp = new RegExp(
'(' + typosData.caseInsensitive.map( patternMap ).join( '|' ) + ')', 'gi'
);
}
function findTypo( line, lineNumber, filepath, typos, flags ) {
// Check each pattern to find the replacement
typos.forEach( function ( typo ) {
var replace,
pattern = new RegExp( typo[ 0 ], flags ),
matches = line.match( pattern );
if ( matches ) {
ok = false;
replace = matches[ 0 ].replace( pattern, typo[ 1 ], flags );
grunt.log.error(
'File "' + filepath + '" contains typo "' + matches[ 0 ] + '" on line ' + lineNumber +
', did you mean "' + replace + '"?'
);
}
} );
}
files.forEach( function ( filepath ) {
if ( grunt.file.isDir( filepath ) ) {
fileCount--;
return;
}
file = grunt.file.read( filepath );
file.split( '\n' ).forEach( function ( line, lineNumber ) {
// Check for any typos on the line with group expressions
if ( typosCSRegExp && typosCSRegExp.test( line ) ) {
findTypo( line, lineNumber, filepath, typosData.caseSensitive, 'g' );
}
if ( typosCIRegExp && typosCIRegExp.test( line ) ) {
findTypo( line, lineNumber, filepath, typosData.caseInsensitive, 'gi' );
}
} );
} );
if ( !ok ) {
return false;
}
grunt.log.ok( 'No typos found; ' +
fileCount + ' file' + ( fileCount !== 1 ? 's' : '' ) + ' checked for ' +
typoCount + ' typo' + ( typoCount !== 1 ? 's' : '' ) + '.' );
} );
};
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