gulp-intercept

Gulp plugin to intercept a Gulp stream.

The plugin accepts a function with a single argument - a chunk or file. Do whatever you need to eg. parse the file if its json, convert it if less or coffeescript or simply perform an update to its contents.

Usage

• Install - npm install gulp-intercept --save-dev
• Update your gulpfile.js:

var intercept = require('./gulp-intercept');
var concat = require('gulp-concat');
 
gulp.task('task', function () {
  gulp.src(['./*.txt'])
    .pipe(intercept(function(file){
      console.log('FILE: ' + file.path );
      console.log('OLD CONTENT: ' + file.contents.toString() );
      file.contents = new Buffer( "Hello!!!" );
      console.log('NEW CONTENT: ' + file.contents.toString() );
      return file;
    })) 
    .pipe(concat('onefile.txt'))
    .pipe(gulp.dest('./'));
});

API

intercept( method )

Type: Function method - Is a function that accepts a File and returns a File.

function ( file ) {
  // do stuff
  return file;
}