templates
Advanced tools
System for creating and managing template collections, and rendering templates with any node.js template engine. Can be used as the basis for creating a static site generator or blog framework.
System for creating and managing template collections, and rendering templates with any node.js template engine. Can be used as the basis for creating a static site generator or blog framework.
(TOC generated by verb using markdown-toc)
Features
app.create('foo')Example
This is just a very small glimpse at the templates API!
var templates = require('templates');
var app = templates();
// create a collection
app.create('pages');
// add views to the collection
app.page('a.html', {content: 'this is <%= foo %>'});
app.page('b.html', {content: 'this is <%= bar %>'});
app.page('c.html', {content: 'this is <%= baz %>'});
app.pages.getView('a.html')
.render({foo: 'home'}, function (err, view) {
//=> 'this is home'
});
var templates = require('templates');
var app = templates();
This section describes API features that are shared by all Templates classes.
Set or get an option value.
Params
key {String|Object}: Pass a key-value pair or an object to set.val {any}: Any value when a key-value pair is passed. This can also be options if a glob pattern is passed as the first value.returns {Object}: Returns the instance for chaining.Example
app.option('a', 'b');
app.option({c: 'd'});
console.log(app.options);
//=> {a: 'b', c: 'd'}
Run a plugin on the given instance. Plugins are invoked immediately upon instantiating in the order in which they were defined.
Example
The simplest plugin looks something like the following:
app.use(function(inst) {
// do something to `inst`
});
Note that inst is the instance of the class you're instantiating. So if you create an instance of Collection, inst is the collection instance.
Params
fn {Function}: Plugin function. If the plugin returns a function it will be passed to the use method of each item created on the instance.returns {Object}: Returns the instance for chaining.Usage
collection.use(function(items) {
// `items` is the instance, as is `this`
// optionally return a function to be passed to
// the `.use` method of each item created on the
// instance
return function(item) {
// do stuff to each `item`
};
});
This section describes the methods and features available on the main Templates class.
This function is the main export of the templates module. Initialize an instance of templates to create your application.
Params
options {Object}Example
var templates = require('templates');
var app = templates();
Create a new list. See the list docs for more information about lists.
Params
opts {Object}: List optionsreturns {Object}: Returns the list instance for chaining.Example
var list = app.list();
list.addItem('abc', {content: '...'});
// or, create list from a collection
app.create('pages');
var list = app.list(app.pages);
Create a new collection. Collections are decorated with special methods for getting and setting items from the collection. Note that, unlike the create method, collections created with .collection() are not cached.
See the collection docs for more information about collections.
Params
opts {Object}: Collection optionsreturns {Object}: Returns the collection instance for chaining.Create a new view collection to be stored on the app.views object. See
the create docs for more details.
Params
name {String}: The name of the collection to create. Plural or singular form may be used, as the inflections are automatically resolved when the collection is created.opts {Object}: Collection optionsreturns {Object}: Returns the collection instance for chaining.Register a view engine callback fn as ext.
Params
exts {String|Array}: String or array of file extensions.fn {Function|Object}: or settingssettings {Object}: Optionally pass engine options as the last argument.Example
app.engine('hbs', require('engine-handlebars'));
// using consolidate.js
var engine = require('consolidate');
app.engine('jade', engine.jade);
app.engine('swig', engine.swig);
// get a registered engine
var swig = app.engine('swig');
Register a template helper.
Params
name {String}: Helper namefn {Function}: Helper function.Example
app.helper('upper', function(str) {
return str.toUpperCase();
});
Register multiple template helpers.
Params
helpers {Object|Array}: Object, array of objects, or glob patterns.Example
app.helpers({
foo: function() {},
bar: function() {},
baz: function() {}
});
Get a sync helper that was previously registered.
Params
name {String}: Helper namefn {Function}: Helper function.Example
app.helper('upper', function(str) {
return str.toUpperCase();
});
Register an async helper.
Params
name {String}: Helper name.fn {Function}: Helper functionExample
app.asyncHelper('upper', function(str, next) {
next(null, str.toUpperCase());
});
Register multiple async template helpers.
Params
helpers {Object|Array}: Object, array of objects, or glob patterns.Example
app.asyncHelpers({
foo: function() {},
bar: function() {},
baz: function() {}
});
Register a namespaced helper group.
Params
helpers {Object|Array}: Object, array of objects, or glob patterns.Example
// markdown-utils
app.helperGroup('mdu', {
foo: function() {},
bar: function() {},
});
// Usage:
// <%= mdu.foo() %>
// <%= mdu.bar() %>
API for the View class.
Create an instance of View. Optionally pass a default object to use.
Params
view {Object}Example
var view = new View({
path: 'foo.html',
content: '...'
});
Creates a context object from front-matter data, view.locals and the given locals object.
Params
locals {Object}: Optionally pass locals to the engine.returns {Object}: Returns the context object.Example
var ctx = page.context({foo: 'bar'});
Synchronously compile a view.
Params
locals {Object}: Optionally pass locals to the engine.returns {Object} View: instance, for chaining.Example
var view = page.compile();
view.fn({title: 'A'});
view.fn({title: 'B'});
view.fn({title: 'C'});
Asynchronously render a view.
Params
locals {Object}: Optionally pass locals to the engine.returns {Object} View: instance, for chaining.Example
view.render({title: 'Home'}, function(err, res) {
//=> view object with rendered `content`
});
Return true if the view is the given view type. Since types are assigned by collections, views that are "collection-less" will not have a type, and thus will always return false (as expected).
Params
type {String}: (renderable, partial, layout)Example
view.isType('partial');
Set, get and load data to be passed to templates as context at render-time.
Params
key {String|Object}: Pass a key-value pair or an object to set.val {any}: Any value when a key-value pair is passed. This can also be options if a glob pattern is passed as the first value.returns {Object}: Returns an instance of Templates for chaining.Example
view.data('a', 'b');
view.data({c: 'd'});
console.log(view.cache.data);
//=> {a: 'b', c: 'd'}
Build the context for the given view and locals.
Params
view {Object}: The view being renderedlocals {Object}returns {Object}: The object to be passed to engines/views as context.Merge "partials" view types. This is necessary for template engines have no support for partials or only support one type of partials.
Params
options {Object}: Optionally pass an array of viewTypes to include on options.viewTypesreturns {Object}: Merged partialsAPI for the Item class.
Create an instance of Item. Optionally pass a default object to use.
Params
item {Object}Example
var item = new Item({
path: 'foo.html',
content: '...'
});
Re-decorate Item methods after calling vinyl's .clone() method.
Params
options {Object}returns {Object} item: Cloned instanceExample
item.clone({deep: true}); // false by default
Set, get and load data to be passed to templates as context at render-time.
Params
key {String|Object}: Pass a key-value pair or an object to set.val {any}: Any value when a key-value pair is passed. This can also be options if a glob pattern is passed as the first value.returns {Object}: Returns an instance of Templates for chaining.Example
item.data('a', 'b');
item.data({c: 'd'});
console.log(item.cache.data);
//=> {a: 'b', c: 'd'}
Build the context for the given view and locals.
Params
view {Object}: The view being renderedlocals {Object}returns {Object}: The object to be passed to engines/views as context.Merge "partials" view types. This is necessary for template engines have no support for partials or only support one type of partials.
Params
options {Object}: Optionally pass an array of viewTypes to include on options.viewTypesreturns {Object}: Merged partialsAPI for the Collections class.
Create an instance of Collection with the given options.
Params
options {Object}Example
var collection = new Collection();
collection.addItem('foo', {content: 'bar'});
Set an item on the collection. This is identical to addItem except setItem does not emit an event for each item and does not iterate over the item queue.
Params
key {String|Object}: Item key or objectvalue {Object}: If key is a string, value is the item object.returns {Object}: returns the item instance.Example
collection.setItem('foo', {content: 'bar'});
Similar to setItem, adds an item to the collection but also fires an event and iterates over the item queue to load items from the addItem event listener. An item may be an instance of Item, if not, the item is converted to an instance of Item.
Params
key {String}value {Object}Example
var list = new List(...);
list.addItem('a.html', {path: 'a.html', contents: '...'});
Load multiple items onto the collection.
Params
items {Object|Array}returns {Object}: returns the instance for chainingExample
collection.addItems({
'a.html': {content: '...'},
'b.html': {content: '...'},
'c.html': {content: '...'}
});
Load an array of items onto the collection.
Params
items {Array}: or an instance of Listfn {Function}: Optional sync callback function that is called on each item.returns {Object}: returns the Collection instance for chainingExample
collection.addList([
{path: 'a.html', content: '...'},
{path: 'b.html', content: '...'},
{path: 'c.html', content: '...'}
]);
Get an item from the collection.
Params
key {String}: Key of the item to get.returns {Object}Example
collection.getItem('a.html');
Set, get and load data to be passed to templates as context at render-time.
Params
key {String|Object}: Pass a key-value pair or an object to set.val {any}: Any value when a key-value pair is passed. This can also be options if a glob pattern is passed as the first value.returns {Object}: Returns an instance of Templates for chaining.Example
collection.data('a', 'b');
collection.data({c: 'd'});
console.log(collection.cache.data);
//=> {a: 'b', c: 'd'}
Build the context for the given view and locals.
Params
view {Object}: The view being renderedlocals {Object}returns {Object}: The object to be passed to engines/views as context.Merge "partials" view types. This is necessary for template engines have no support for partials or only support one type of partials.
Params
options {Object}: Optionally pass an array of viewTypes to include on options.viewTypesreturns {Object}: Merged partialsAPI for the List class.
Create an instance of List with the given options. Lists differ from collections in that items are stored as an array, allowing items to be paginated, sorted, and grouped.
Params
options {Object}Example
var list = new List();
list.addItem('foo', {content: 'bar'});
Set an item on the collection. This is identical to addItem except setItem does not emit an event for each item and does not iterate over the item queue.
Params
key {String|Object}: Item key or objectvalue {Object}: If key is a string, value is the item object.returns {Object}: returns the item instance.Example
collection.setItem('foo', {content: 'bar'});
Similar to setItem, adds an item to the list but also fires an event and iterates over the item queue to load items from the addItem event listener. If the given item is not already an instance of Item, it will be converted to one before being added to the items object.
Params
key {String}value {Object}returns {Object}: Returns the instance of the created Item to allow chaining item methods.Example
var items = new Items(...);
items.addItem('a.html', {path: 'a.html', contents: '...'});
Load multiple items onto the collection.
Params
items {Object|Array}returns {Object}: returns the instance for chainingExample
collection.addItems({
'a.html': {content: '...'},
'b.html': {content: '...'},
'c.html': {content: '...'}
});
Load an array of items or the items from another instance of List.
Params
items {Array}: or an instance of Listfn {Function}: Optional sync callback function that is called on each item.returns {Object}: returns the List instance for chainingExample
var foo = new List(...);
var bar = new List(...);
bar.addList(foo);
Return true if the list has the given item (name).
Params
key {String}returns {Object}Example
list.addItem('foo.html', {content: '...'});
list.hasItem('foo.html');
//=> true
Get a the index of a specific item from the list by key.
Params
key {String}returns {Object}Example
list.getIndex('foo.html');
//=> 1
Get a specific item from the list by key.
Params
key {String}returns {Object}Example
list.getItem('foo.html');
//=> '<View <foo.html>>'
Remove an item from the list.
Params
items {Object}: Object of viewsExample
var list = new List(...);
list.addItems({
'a.html': {path: 'a.html', contents: '...'}
});
Decorate each item on the list with additional methods and properties. This provides a way of easily overriding defaults.
Params
item {Object}returns {Object}: Instance of item for chainingGroup all list items using the given property, properties or compare functions. See group-array for the full range of available features and options.
returns {Object}: Returns the grouped items.Example
var list = new List();
list.addItems(...);
var groups = list.groupBy('data.date', 'data.slug');
Sort all list items using the given property, properties or compare functions. See array-sort for the full range of available features and options.
returns {Object}: Returns a new List instance with sorted items.Example
var list = new List();
list.addItems(...);
var result = list.sortBy('data.date');
//=> new sorted list
Paginate all items in the list with the given options, See paginationator for the full range of available features and options.
returns {Object}: Returns the paginated items.Example
var list = new List(items);
var pages = list.paginate({limit: 5});
API for the Group class.
Create an instance of Group with the given options.
Params
options {Object}Example
var group = new Group({
'foo': { items: [1,2,3] }
});
Find a view by name, optionally passing a collection to limit the search. If no collection is passed all renderable collections will be searched.
Params
name {String}: The name/key of the view to findcolleciton {String}: Optionally pass a collection name (e.g. pages)returns {Object|undefined}: Returns the view if found, or undefined if not.Example
var page = app.find('my-page.hbs');
// optionally pass a collection name as the second argument
var page = app.find('my-page.hbs', 'pages');
Get view key from the specified collection.
Params
collection {String}: Collection name, e.g. pageskey {String}: Template namefn {Function}: Optionally pass a renameKey functionreturns {Object}Example
var view = app.getView('pages', 'a/b/c.hbs');
// optionally pass a `renameKey` function to modify the lookup
var view = app.getView('pages', 'a/b/c.hbs', function(fp) {
return path.basename(fp);
});
Get all views from a collection using the collection's singular or plural name.
Params
name {String}: The collection name, e.g. pages or pagereturns {Object}Example
var pages = app.getViews('pages');
//=> { pages: {'home.hbs': { ... }}
var posts = app.getViews('posts');
//=> { posts: {'2015-10-10.md': { ... }}
Compile content with the given locals.
Params
view {Object|String}: View object.locals {Object}isAsync {Boolean}: Load async helpersreturns {Object}: View object with fn property with the compiled function.Example
var indexPage = app.page('some-index-page.hbs');
var view = app.compile(indexPage);
// view.fn => [function]
// you can call the compiled function more than once
// to render the view with different data
view.fn({title: 'Foo'});
view.fn({title: 'Bar'});
view.fn({title: 'Baz'});
Render a view with the given locals and callback.
Params
view {Object|String}: Instance of Viewlocals {Object}: Locals to pass to template engine.callback {Function}Example
var blogPost = app.post.getView('2015-09-01-foo-bar');
app.render(blogPost, {title: 'Foo'}, function(err, view) {
// `view` is an object with a rendered `content` property
});
Set, get and load data to be passed to templates as context at render-time.
Params
key {String|Object}: Pass a key-value pair or an object to set.val {any}: Any value when a key-value pair is passed. This can also be options if a glob pattern is passed as the first value.returns {Object}: Returns an instance of Templates for chaining.Example
app.data('a', 'b');
app.data({c: 'd'});
console.log(app.cache.data);
//=> {a: 'b', c: 'd'}
Build the context for the given view and locals.
Params
view {Object}: The view being renderedlocals {Object}returns {Object}: The object to be passed to engines/views as context.Merge "partials" view types. This is necessary for template engines have no support for partials or only support one type of partials.
Params
options {Object}: Optionally pass an array of viewTypes to include on options.viewTypesreturns {Object}: Merged partialsHandle a middleware method for view.
Params
method {String}: Name of the router method to handle. See router methodsview {Object}: View objectcallback {Function}: Callback functionreturns {Object}Example
app.handle('customMethod', view, callback);
Create a new Route for the given path. Each route contains a separate middleware stack.
See the [route API documentation][route-api] for details on adding handlers and middleware to routes.
Params
path {String}returns {Object} Route: for chainingExample
app.create('posts');
app.route(/blog/)
.all(function(view, next) {
// do something with view
next();
});
app.post('whatever', {path: 'blog/foo.bar', content: 'bar baz'});
Special route method that works just like the router.METHOD() methods, except that it matches all verbs.
Params
path {String}callback {Function}returns {Object} this: for chainingExample
app.all(/\.hbs$/, function(view, next) {
// do stuff to view
next();
});
Add callback triggers to route parameters, where name is the name of the parameter and fn is the callback function.
Params
name {String}fn {Function}returns {Object}: Returns the instance of Templates for chaining.Example
app.param('title', function(view, next, title) {
//=> title === 'foo.js'
next();
});
app.onLoad('/blog/:title', function(view, next) {
//=> view.path === '/blog/foo.js'
next();
});
As of January 11, 2016, code coverage is 100%.
Statements : 100% (1162/1162)
Branches : 100% (475/475)
Functions : 100% (160/160)
Lines : 100% (1141/1141)
v0.10.0
getView method no longer automatically reads views from the file system. This was undocumented before and, but it's a breaking change nonetheless. The removed functionality can easily be done in a plugin.v0.9.5
v0.9.4
renderable view is rendered (e.g. page)v0.9.0
app.context method. It now only accepts two arguments, view and locals, since ctx (the parameter that was removed) was technically being merged in twice.0.8.0
isType method on view. Shouldn't be any breaking changes.v0.7.0
.error method to .formatErrormergeContext optionview and item as the second argumentisType method for checking the viewType on a collectionv0.5.1
default layout was automatically applied to partials, causing an infinite loop in rare cases.Install dev dependencies:
$ npm i -d && npm test
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Jon Schlinkert
Copyright © 2016 Jon Schlinkert
Released under the MIT license.
This file was generated by verb on January 11, 2016.
FAQs
System for creating and managing template collections, and rendering templates with any node.js template engine. Can be used as the basis for creating a static site generator or blog framework.
We found that templates demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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