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koa-hbs-renderer v1.2.0

A Handlebars template renderer for Koa applications.

koa-hbs-renderer

npm Node.js Build Status Coverage Dependencies Status devDependencies Status MIT licensed

A Handlebars template renderer for Koa applications.

Installation

npm install --save koa-hbs-renderer

Usage

views/template.hbs

<p>This is a template. Isn't that {{adjective}}?</p>

index.js

const Koa      = require('koa');
const path     = require('path');
const renderer = require('koa-hbs-renderer');

let app = new Koa();

app.use(renderer({
  paths: {
    views: path.join(__dirname, 'views')
  }
}));

app.use(async (ctx, next) => {
  await ctx.render('template', {
    adjective: 'useful'
  });
});

app.listen(3000);

Options

const Handlebars = require('handlebars');

let options = {
  cacheExpires:  60,
  contentTag:    'content',
  defaultLayout: 'default',
  environment:   'development',
  extension:     '.hbs',
  hbs:           Handlebars.create(),
  paths: {
    views:    path.join(__dirname, 'views'),
    layouts:  path.join(__dirname, 'layouts'),
    partials: path.join(__dirname, 'partials'),
    helpers:  path.join(__dirname, 'helpers')
  },
  Promise:      Promise
};

app.use(renderer(options));

cacheExpires

The length of time, in seconds, to keep compiled Handlebars templates in the in-memory cache before recompilation. Defaults to 60.

contentTag

The name of the block used by layouts to render views. Defaults to content, meaning views will be rendered onto layouts where {{{content}}} appears.

defaultLayout

The name of the layout to use by default if paths.layouts is defined. Defaults to default.

environment

The current Node.js environment, used to determine whether or not to invalidate the contents of cached templates. If set to development, cached templates will expire after the amount of time specified by cacheExpires above. Defaults to process.env.NODE_ENV.

extension

The file extension used by template files. Defaults to .hbs.

hbs

A Handlebars environment to use. If one is not provided, one will be created via Handlebars.create when the middleware function is called.

paths

An object literal of specified file paths. Required.

views

The path to a directory of view templates. Required.

partials

The path to a directory of partial templates. If specified, all templates in the partials directory will be compiled and cached together. Optional.

layouts

The path to a directory of layout templates. Optional.

helpers

The path to a directory of helper functions contained in JavaScript files. If specified, all functions in the helpers directory will be loaded and made available to the Handlebars environment for rendering. Optional.

Promise

The constructor function to create internal Promises from. Defaults to the built-in Promise object; has been tested to work with bluebird.

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