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var gulp = require('gulp');
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var webpack = require('webpack');
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var mocha = require('gulp-spawn-mocha');
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var eslint = require('gulp-eslint');
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var each = require('gulp-each');
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var fc2json = require('gulp-file-contents-to-json');
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var log = require('fancy-log');
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var exec = require('child_process').exec;
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const fs = require('fs');
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var DEBUG = process.env.NODE_ENV === 'debug';
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var CI = process.env.CI === 'true';
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var vfsBefore = "this.pdfMake = this.pdfMake || {}; this.pdfMake.vfs = ";
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var vfsAfter = ";";
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gulp.task('build', function (callback) {
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webpack(require('./webpack.config.js'), function (err, stats) {
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if (err) {
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callback(err);
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return;
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}
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log("[webpack]", stats.toString({}));
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if (stats.compilation.errors && stats.compilation.errors.length) {
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callback(stats.compilation.errors);
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return;
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}
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callback();
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});
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});
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gulp.task('buildWithStandardFonts', function (callback) {
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webpack(require('./webpack-standardfonts.config.js'), function (err, stats) {
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if (err) {
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callback(err);
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return;
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}
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log("[webpack]", stats.toString({}));
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if (stats.compilation.errors && stats.compilation.errors.length) {
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callback(stats.compilation.errors);
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return;
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}
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callback();
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});
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});
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gulp.task('test', function () {
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return gulp.src(['./tests/**/*.js'])
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.pipe(mocha({
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debugBrk: DEBUG,
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R: CI ? 'spec' : 'nyan'
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}));
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});
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gulp.task('lint', function () {
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return gulp.src(['./src/**/*.js'])
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.pipe(eslint())
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.pipe(eslint.format())
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.pipe(eslint.failAfterError());
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});
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gulp.task('buildFonts', function () {
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return gulp.src(['./examples/fonts/*.*'])
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.pipe(each(function (content, file, callback) {
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var newContent = Buffer.from(content).toString('base64');
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callback(null, newContent);
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}, 'buffer'))
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.pipe(fc2json('vfs_fonts.js', { flat: true }))
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.pipe(each(function (content, file, callback) {
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var newContent = vfsBefore + content + vfsAfter;
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callback(null, newContent);
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}, 'buffer'))
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.pipe(gulp.dest('build'));
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});
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gulp.task('watch', function () {
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gulp.watch('./src/**', ['test', 'build']);
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gulp.watch('./tests/**', ['test']);
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});
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gulp.task('generateExamples', function (cb) {
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var errCount = 0;
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var position = 0;
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process.chdir('examples');
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const items = fs.readdirSync('.');
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const files = items.filter(file => file.substring(file.length - 3, file.length) === '.js');
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files.forEach(function (file) {
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exec(`node ${file}`, function (err, stdout, stderr) {
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position++;
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log('FILE: ', file, ` (${position}/${files.length})`);
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log(stdout);
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if (err) {
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errCount++;
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log(stderr);
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}
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if (position === files.length) {
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if (errCount) {
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log('Errors count: ', errCount);
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}
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cb();
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}
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});
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});
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});
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gulp.task('default', gulp.series(/*'lint',*/ 'test', 'build', 'buildFonts'));
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