diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..31a0ef5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+/node_modules
+/dist
+/tmp
+package-lock\.json
+/src/etc/develop.js
diff --git a/.jshintrc b/.jshintrc
new file mode 100644
index 0000000..4665bfa
--- /dev/null
+++ b/.jshintrc
@@ -0,0 +1,64 @@
+{
+    /*
+     * ENVIRONMENTS
+     * =================
+     */
+
+    // Define globals exposed by modern browsers.
+    "browser": true,
+
+    // Define globals exposed by jQuery.
+    "jquery": true,
+
+    // Define globals exposed by Node.js.
+    "node": true,
+
+    // Allow ES6.
+    "esversion": 6,
+
+    /*
+     * ENFORCING OPTIONS
+     * =================
+     */
+
+    // Force all variable names to use either camelCase style or UPPER_CASE
+    // with underscores.
+    "camelcase": true,
+
+    // Prohibit use of == and != in favor of === and !==.
+    "eqeqeq": true,
+
+    // Enforce tab width of 2 spaces.
+    "indent": 4,
+
+    // Prohibit use of a variable before it is defined.
+    "latedef": true,
+
+    // Enforce line length to 100 characters
+    "maxlen": 100,
+
+    // Require capitalized names for constructor functions.
+    "newcap": true,
+
+    // Enforce use of single quotation marks for strings.
+    "quotmark": "single",
+
+    // Enforce placing 'use strict' at the top function scope
+    "strict": false,
+
+    // Prohibit use of explicitly undeclared variables.
+    "undef": true,
+
+    // Warn when variables are defined but never used.
+    "unused": true,
+
+    // Para que funcione en angular
+    "predef": ["angular", "alert", "spyOn", "expect", "it", "inject", "beforeEach", "describe", "confirm"],
+    /*
+     * RELAXING OPTIONS
+     * =================
+     */
+
+    // Suppress warnings about == null comparisons.
+    "eqnull": true
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..88802f2
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+Foca filtros
+============
diff --git a/gulpfile.js b/gulpfile.js
new file mode 100644
index 0000000..a67ec86
--- /dev/null
+++ b/gulpfile.js
@@ -0,0 +1,72 @@
+const templateCache = require('gulp-angular-templatecache');
+const concat        = require('gulp-concat');
+const clean         = require('gulp-clean');
+const htmlmin       = require('gulp-htmlmin');
+const rename        = require('gulp-rename');
+const uglify        = require('gulp-uglify');
+const gulp          = require('gulp');
+const pump          = require('pump');
+const jshint        = require('gulp-jshint');
+const replace       = require('gulp-replace');
+
+var paths = {
+    srcJS: 'src/js/*.js',
+    tmp:   'tmp',
+    dist:  'dist/'
+};
+
+gulp.task('uglify', ['clean'], function() {
+    return pump(
+        [
+            gulp.src(paths.srcJS),
+            concat('foca-filtros.js'),
+            gulp.dest(paths.tmp),
+            rename('foca-filtros.min.js'),
+            uglify(),
+            gulp.dest(paths.dist)
+        ]
+    );
+});
+
+gulp.task('clean', function() {
+    return gulp.src(['tmp', 'dist'], {read: false})
+    .pipe(clean());
+});
+
+gulp.task('pre-commit', function() {
+    pump(
+        [
+            gulp.src(paths.srcJS),
+            jshint('.jshintrc'),
+            jshint.reporter('default'),
+            jshint.reporter('fail')
+        ]
+    );
+});
+
+gulp.task('clean-post-install', function() {
+    return gulp.src(['src', 'tmp', '.jshintrc','readme.md', '.gitignore', 'gulpfile.js',
+                     'index.html'], {read: false})
+    .pipe(clean());
+});
+
+gulp.task('webserver', function() {
+    pump [
+        connect.server({port: 3000})
+    ]
+});
+
+gulp.task('default', ['webserver']);
+
+gulp.task('watch', function() {
+    return gulp.watch([paths.srcJS], ['uglify']);
+});
+
+gulp.task('copy', ['uglify'], function() {
+    return gulp.src('dist/*.js')
+        .pipe(gulp.dest('../../wrapper-demo/node_modules/foca-filtros/dist'));
+});
+
+gulp.task('watchAndCopy', function() {
+    return gulp.watch([paths.srcJS], ['copy']);
+});
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..213938b
--- /dev/null
+++ b/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "foca-modal",
+  "version": "0.0.1",
+  "description": "Filtros de foca",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "gulp-pre-commit": "gulp pre-commit",
+    "compile": "gulp uglify",
+    "postinstall": "npm run compile && gulp clean-post-install",
+    "install-dev": "npm install -D angular gulp gulp-angular-templatecache gulp-clean gulp-connect gulp-htmlmin gulp-jshint gulp-rename gulp-replace gulp-uglify jshint pump"
+  },
+  "pre-commit": [
+    "gulp-pre-commit"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://debo.suite.repo/modulos-npm/foca-filtros.git"
+  },
+  "author": "Foca Software",
+  "license": "ISC",
+  "devDependencies": {
+    "angular": "^1.7.5",
+    "gulp": "^3.9.1",
+    "gulp-angular-templatecache": "^2.2.3",
+    "gulp-clean": "^0.4.0",
+    "gulp-connect": "^5.6.1",
+    "gulp-htmlmin": "^5.0.1",
+    "gulp-jshint": "^2.1.0",
+    "gulp-rename": "^1.4.0",
+    "gulp-replace": "^1.0.0",
+    "gulp-uglify": "^3.0.1",
+    "jshint": "^2.9.6",
+    "pump": "^3.0.0"
+  }
+}
diff --git a/src/js/app.js b/src/js/app.js
new file mode 100644
index 0000000..cd9b38e
--- /dev/null
+++ b/src/js/app.js
@@ -0,0 +1,7 @@
+angular.module('focaFiltros', [])
+    .filter('comprobante', function() {
+        return function(valores) {
+            return (Array(5).join('0') + valores[0]).slice(-5) + '-' +
+                   (Array(8).join('0') + valores[1]).slice(-8);
+        };
+    });