Collection helpers

interate (block)

In contrast to thecore each block this can also iterate over object key/value pairs and makes the index in arrays accessible.

Parameter:

  • Array|Object to iterate over

Iterate over an array:

Handlebars Template
# list = ['a', 'b', 'c']
{{#iterate list}}
  {{index}}: {{value}}
{{/iterate}}
# 0: a
# 1: b
# 2: c

Iterate over an object:

Handlebars Template
# list = {a: 1, b: 2, c: 3}
{{#iterate list}}
  {{key}}: {{value}}
{{/iterate}}
# a: 1
# b: 2
# c: 3

join

Join the collection’s elements together into a single text element.

Parameter:

  • Array to be joined
  • String separator to be used to join elements
Handlebars Template
# list = [1, 2, 3]
{{join list}}
# 1 2 3

# list = [1, 2, 3]
{{join list "-"}}
# 1-2-3

# list = {a: 1, b: 2, c: 3}
{{join list}}
# a b c

count

Count the number of elements in that collection.

Parameter:

  • Array|Object to be counted
Handlebars Template
# list = [1, 2, 3]
{{count list}}
# 3

# list = {a: 1, b: 2, c: 3}
{{count list}}
# 3