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// ==========================================================================
// Gulp build script
// ==========================================================================
/*global require, __dirname*/
var fs = require("fs"),
path = require("path"),
gulp = require("gulp"),
gutil = require("gulp-util"),
concat = require("gulp-concat"),
uglify = require("gulp-uglify"),
less = require("gulp-less"),
minifyCss = require("gulp-minify-css"),
runSequence = require("run-sequence"),
prefix = require("gulp-autoprefixer"),
svgstore = require("gulp-svgstore"),
svgmin = require("gulp-svgmin"),
hogan = require("gulp-hogan-compile");
var root = __dirname,
paths = {
// Watch paths
watch: {
less: path.join(root, "src/less/**/*"),
js: path.join(root, "src/js/**/*"),
sprite: path.join(root, "src/sprite/*.svg"),
templates: path.join(root, "src/templates/*.html"),
},
// Output paths
output: {
js: path.join(root, "dist/js/"),
css: path.join(root, "dist/css/"),
sprite: path.join(root, "dist/")
}
},
// Task names
taskNames = {
jsAll: "js-all",
lessBuild: "less-",
jsBuild: "js-",
sprite: "sprite-build",
templates: "templates"
},
// Task arrays
lessBuildTasks = [],
jsBuildTasks = [],
// Fetch bundles from JSON
bundles = loadJSON(path.join(root, "bundles.json"));
// Load json
function loadJSON(path) {
return JSON.parse(fs.readFileSync(path));
}
// Build templates
gulp.task(taskNames.templates, function () {
return gulp
.src(paths.watch.templates)
.pipe(hogan("templates.js", {
wrapper: false,
templateName: function (file) {
return path.basename(file.relative.replace(/\\/g, "-"), path.extname(file.relative));
}
}))
.pipe(gulp.dest(paths.output.js));
});
// Process JS
for (var key in bundles.js) {
(function(key) {
var taskName = taskNames.jsBuild + key;
jsBuildTasks.push(taskName);
gulp.task(taskName, function () {
return gulp
.src(bundles.js[key])
.pipe(concat(key))
.pipe(uglify())
.pipe(gulp.dest(paths.output.js));
});
})(key);
}
// Process CSS
for (var key in bundles.less) {
(function (key) {
var taskName = taskNames.lessBuild + key;
lessBuildTasks.push(taskName);
gulp.task(taskName, function () {
return gulp
.src(bundles.less[key])
.pipe(less())
.on("error", gutil.log)
.pipe(concat(key))
.pipe(prefix(["last 2 versions"], { cascade: true }))
.pipe(minifyCss())
.pipe(gulp.dest(paths.output.css));
});
})(key);
}
// Process Icons
gulp.task(taskNames.sprite, function () {
return gulp
.src(paths.watch.sprite)
.pipe(svgmin({
plugins: [{
removeDesc: true
}]
}))
.pipe(svgstore())
.pipe(gulp.dest(paths.output.sprite));
});
// Default gulp task
gulp.task("default", function(){
runSequence(taskNames.jsAll, lessBuildTasks.concat(taskNames.sprite, "watch"));
});
// Build all JS (inc. templates)
gulp.task(taskNames.jsAll, function(){
runSequence(taskNames.templates, jsBuildTasks);
});
// Watch for file changes
gulp.task("watch", function () {
//gulp.watch(paths.watch.templates, [taskNames.jsAll]);
//gulp.watch(paths.watch.js, [taskNames.jsAll]);
gulp.watch(paths.watch.less, lessBuildTasks);
gulp.watch(paths.watch.sprite, [taskNames.iconBuild]);
});
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