var path = require('path'); var fs = require('fs'); var prependFile = require('prepend-file'); var falafel = require('falafel'); var glob = require('glob'); var constants = require('./util/constants'); var common = require('./util/common'); // main addHeadersInDistFiles(); updateHeadersInSrcFiles(); // add headers to dist files function addHeadersInDistFiles() { function _prepend(path, header) { prependFile(path, header + '\n', common.throwOnError); } // add header to main dist bundles var pathsDist = [ constants.pathToPlotlyDistMin, constants.pathToPlotlyDist, constants.pathToPlotlyDistWithMeta, constants.pathToPlotlyGeoAssetsDist ]; pathsDist.forEach(function(path) { _prepend(path, constants.licenseDist); }); // add header and bundle name to partial bundle constants.partialBundlePaths.forEach(function(pathObj) { var headerDist = constants.licenseDist .replace('plotly.js', 'plotly.js (' + pathObj.name + ')'); _prepend(pathObj.dist, headerDist); var headerDistMin = constants.licenseDist .replace('plotly.js', 'plotly.js (' + pathObj.name + ' - minified)'); _prepend(pathObj.distMin, headerDistMin); }); } // add or update header to src/ lib/ files function updateHeadersInSrcFiles() { var srcGlob = path.join(constants.pathToSrc, '**/*.js'); var libGlob = path.join(constants.pathToLib, '**/*.js'); // remove leading '/*' and trailing '*/' for comparison with falafel output var licenseSrc = constants.licenseSrc; var licenseStr = licenseSrc.substring(2, licenseSrc.length - 2); glob('{' + srcGlob + ',' + libGlob + '}', function(err, files) { files.forEach(function(file) { fs.readFile(file, 'utf-8', function(err, code) { // parse through code string while keeping track of comments var comments = []; falafel(code, {onComment: comments, locations: true}, function() {}); var header = comments[0]; // error out if no header is found if(!header || header.loc.start.line > 1) { throw new Error(file + ' : has no header information.'); } // if header and license are the same, do nothing if(isCorrect(header)) return; // if header and license only differ by date, update header else if(hasWrongDate(header)) { var codeLines = code.split('\n'); codeLines.splice(header.loc.start.line - 1, header.loc.end.line); var newCode = licenseSrc + '\n' + codeLines.join('\n'); common.writeFile(file, newCode); } else { // otherwise, throw an error throw new Error(file + ' : has wrong header information.'); } }); }); }); function isCorrect(header) { return ( header.value.replace(/\s+$/gm, '') === licenseStr.replace(/\s+$/gm, '') ); } function hasWrongDate(header) { var regex = /Copyright 20[0-9][0-9]-20[0-9][0-9]/g; return (header.value.replace(regex, '') === licenseStr.replace(regex, '')); } }