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gulpfile.js
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gulpfile.js
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'use strict';
//=========
// MODULES
//=========
var gulp = require('gulp'),
fs = require('fs'),
browserSync = require('browser-sync'),
sass = require('gulp-sass'),
nunjucksRender = require('gulp-nunjucks-render'),
copy = require('gulp-copy'),
jshint = require('gulp-jshint'),
reload = browserSync.reload,
shell = require('gulp-shell'),
autoprefixer = require('gulp-autoprefixer');
//========
// FILES
//========
var src = {
app: 'app/',
scss: 'app/scss/**/*.scss',
css: 'app/css',
js: 'app/js/*.js',
jsLibs: 'app/js/libs/*.js',
html: 'app/*.html',
indexTemplate: 'app/templates/index.html',
templates: 'app/templates/*.html',
includes: 'app/templates/includes/*.html',
data: ['app/js/libs/data/*.csv','app/js/libs/data/*.json', 'app/js/libs/data/*.geojson']
};
//===========
// TASK LIST
//===========
// Compile SCSS into CSS
gulp.task('sass', function() {
return gulp.src(src.scss)
.pipe(sass())
.pipe(autoprefixer({
browsers: ['last 2 versions'],
cascade: false
}))
.pipe(gulp.dest(src.css))
.pipe(reload({stream: true}));
});
// Plug info from Google Sheets and render templates
gulp.task('render', function () {
// Pull in nunjuck and vinyl-map modules
var nj = require('nunjucks'),
map = require('vinyl-map'),
data = JSON.parse(fs.readFileSync('data.json', 'utf8')),
nunjuckified = map(function(code){
return nj.renderString(code.toString(), data);
}),
env = nj.configure('app', {
watch: false,
tags: {
blockStart: '<%',
blockEnd: '%>',
variableStart: '{$',
variableEnd: '$}',
commentStart: '<#',
commentEnd: '#>'
}
});
nunjucksRender.nunjucks.configure(['app/templates/']);
return gulp.src(src.indexTemplate)
.pipe(nunjuckified)
.pipe(nunjucksRender())
.pipe(gulp.dest(src.app));
});
// JSHint
gulp.task('jshint', function() {
gulp.src([src.js, src.jsLibs])
.pipe(jshint('.jshintrc'))
.pipe(jshint.reporter('jshint-stylish'));
});
// Static server + watch scss/html/js files
gulp.task('serve', ['sass', 'render'], function() {
// Start browserSync
browserSync({
server: './app'
});
// Watch SCSS, which injects into CSS
gulp.watch(src.scss, ['sass']);
// Watch HTML and data files + reload on change
gulp.watch([src.html, src.data]).on('change', reload);
// Watch JS files with JSHint and reload on change
gulp.watch([src.js, src.jsLibs], ['jshint']).on('change', reload);
// Watch the HTML templates and reload on change
gulp.watch([src.templates, src.includes], ['render']).on('change', reload);
});
// Copy files from /app to /build
gulp.task('copy', function() {
// Grab file paths
var buildSrc = {
html: 'app/*.html',
css: 'app/css/*.css',
cssLibs: 'app/css/libs/**/*.css',
js: 'app/js/*.js',
jsLibs: 'app/js/libs/**/*.js',
img: 'app/img/*.jpg',
png: 'app/img/*.png',
dataCSV: 'app/js/libs/data/*.csv',
dataJSON:'app/js/libs/data/*.json',
dataGeoJSON:'app/js/libs/data/*.geojson'
};
// Group them into files var
var files = [
buildSrc.html,
buildSrc.css,
buildSrc.cssLibs,
buildSrc.js,
buildSrc.img,
buildSrc.png,
buildSrc.jsLibs,
buildSrc.dataCSV,
buildSrc.dataJSON,
buildSrc.dataGeoJSON
];
return gulp.src(files)
.pipe(copy('build/'));
});
//====================
// COMMAND LINE TASKS
//====================
// Run server for development
gulp.task('default', ['serve']);
// Build all files into
// deployable 'build' folder
gulp.task('build', ['copy']);