var jadeInheritance = require('gulp-jade-inheritance');
var jade = require('gulp-jade');

gulp.task('jade-inheritance', function() {
  gulp.src('/jade/example.jade')
    .pipe(jadeInheritance({basedir: '/jade/'}))
    .pipe(jade());
});

'use strict';
var gulp = require('gulp');
var jadeInheritance = require('gulp-jade-inheritance');
var jade = require('gulp-jade');
var changed = require('gulp-changed');
var cached = require('gulp-cached');
var gulpif = require('gulp-if');
var filter = require('gulp-filter');

gulp.task('jade', function() {
    return gulp.src('app/**/*.jade')

        //only pass unchanged *main* files and *all* the partials
        .pipe(changed('dist', {extension: '.html'}))

        //filter out unchanged partials, but it only works when watching
        .pipe(gulpif(global.isWatching, cached('jade')))

        //find files that depend on the files that have changed
        .pipe(jadeInheritance({basedir: 'app'}))

        //filter out partials (folders and files starting with "_" )
        .pipe(filter(function (file) {
            return !/\/_/.test(file.path) && !/^_/.test(file.relative);
        }))

        //process jade templates
        .pipe(jade())

        //save all the files
        .pipe(gulp.dest('dist'));
});
gulp.task('setWatch', function() {
    global.isWatching = true;
});
gulp.task('watch', ['setWatch', 'jade'], function() {
    //your watch functions...
});