node_modules/nunjucks/src/express-app.js


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"use strict";

var path = require('path');
module.exports = function express(env, app) {
  function NunjucksView(name, opts) {
    this.name = name;
    this.path = name;
    this.defaultEngine = opts.defaultEngine;
    this.ext = path.extname(name);
    if (!this.ext && !this.defaultEngine) {
      throw new Error('No default engine was specified and no extension was provided.');
    }
    if (!this.ext) {
      this.name += this.ext = (this.defaultEngine[0] !== '.' ? '.' : '') + this.defaultEngine;
    }
  }
  NunjucksView.prototype.render = function render(opts, cb) {
    env.render(this.name, opts, cb);
  };
  app.set('view', NunjucksView);
  app.set('nunjucksEnv', env);
  return env;
};