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Merge pull request #540 from Shopify/array-concat

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Add array concat filter
This commit is contained in:
Justin Li
2015-03-25 01:42:22 -04:00
parent 3213db54d6 2b78e74b4e
commit 86a82d3039
4 changed files with 28 additions and 4 deletions
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7
example/server/example_servlet.rb
View File

@@ -23,7 +23,7 @@ class Servlet < LiquidServlet
end
def products
{ 'products' => products_list, 'description' => description, 'section' => 'Snowboards', 'cool_products' => true}
{ 'products' => products_list, 'more_products' => more_products_list, 'description' => description, 'section' => 'Snowboards', 'cool_products' => true}
end
private
@@ -34,6 +34,11 @@ class Servlet < LiquidServlet
{'name' => 'Arbor Diamond', 'price' => 59900, 'description' => 'the *arbor diamond* is a made up product because im obsessed with arbor and have no creativity'}]
end
def more_products_list
[{'name' => 'Arbor Catalyst', 'price' => 39900, 'description' => 'the *arbor catalyst* is an advanced drop-through for freestyle and flatground performance and versatility' },
{'name' => 'Arbor Fish', 'price' => 40000, 'description' => 'the *arbor fish* is a compact pin that features an extended wheelbase and time-honored teardrop shape'}]
end
def description
"List of Products ~ This is a list of products with price and description."
end

6
example/server/templates/products.liquid
View File

@@ -16,12 +16,12 @@
</head>
<body>
{% assign all_products = products | concat: more_products %}
<h1>{{ description | split: '~' | first }}</h1>
<h2>{{ description | split: '~' | last }}</h2>
<h2>There are currently {{products | count}} products in the {{section}} catalog</h2>
<h2>There are currently {{all_products | count}} products in the {{section}} catalog</h2>
{% if cool_products %}
Cool products :)
@@ -31,7 +31,7 @@
<ul id="products">
{% for product in products %}
{% for product in all_products %}
<li>
<h2>{{product.name}}</h2>
Only {{product.price | price }}

8
lib/liquid/standardfilters.rb
View File

@@ -177,6 +177,10 @@ module Liquid
input.to_s + string.to_s
end
def concat(input, array)
InputIterator.new(input).concat(array)
end
# prepend a string to another
def prepend(input, string)
string.to_s + input.to_s
@@ -346,6 +350,10 @@ module Liquid
to_a.join(glue)
end
def concat(args)
to_a.concat args
end
def reverse
reverse_each.to_a
end

11
test/integration/standard_filter_test.rb
View File

@@ -359,6 +359,17 @@ class StandardFiltersTest < Minitest::Test
assert_template_result('bcd',"{{ a | append: b}}",assigns)
end
def test_concat
assert_equal [1, 2, 3, 4], @filters.concat([1, 2], [3, 4])
assert_equal [1, 2, 'a'], @filters.concat([1, 2], ['a'])
assert_equal [1, 2, 10], @filters.concat([1, 2], [10])
assert_raises(TypeError) do
# no implicit conversion of Fixnum into Array
@filters.concat([1, 2], 10)
end
end
def test_prepend
assigns = {'a' => 'bc', 'b' => 'a' }
assert_template_result('abc',"{{ a | prepend: 'a'}}",assigns)