Dynamically injects @import statements into the main app.less file

// gulpfile.js
var gulp = require('gulp'),
    less = require('gulp-less'),
    inject = require('gulp-inject');

gulp.task('less', function() {
    return gulp.src('src/styles/main.less')
    /**
     * Dynamically injects @import statements into the main app.less file, allowing
     * .less files to be placed around the app structure with the component
     * or page they apply to.
     */
        .pipe(inject(gulp.src(['../**/*.less'], {read: false, cwd: 'src/styles/'}), {
            starttag: '/* inject:imports */',
            endtag: '/* endinject */',
            transform: function (filepath) {
                return '@import ".' + filepath + '";';
            }
        }))
        .pipe(less())
        .pipe(gulp.dest('build/styles'));
});