232 lines
6.3 KiB
Markdown
232 lines
6.3 KiB
Markdown
# Stencil Changelog
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## Master
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### Enhancements
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- Added support for resolving superclass properties for not-NSObject subclasses
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- The `{% for %}` tag can now iterate over tuples, structures and classes via
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their stored properties.
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- Added `split` filter
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### Bug Fixes
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- Fixed rendering `{{ block.super }}` with several levels of inheritance
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- Fixed checking dictionary values for nil in `default` filter
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- Fixed comparing string variables with string literals, in Swift 4 string literals became `Substring` and thus couldn't be directly compared to strings.
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- Integer literals now resolve into Int values, not Float
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## 0.10.1
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### Enhancements
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- Add support for Xcode 9.1.
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## 0.10.0
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### Enhancements
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- Adds `counter0` to for loop context allowing you to get the current index of
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the for loop 0 indexed.
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- Introduces a new `DictionaryLoader` for loading templates from a Swift
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Dictionary.
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- Added `in` expression in if tag for strings and arrays of hashable types
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- You can now access the amount of items in a dictionary using the `count`
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property.
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### Bug Fixes
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- Fixes a potential crash when using the `{% for %}` template tag with the
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incorrect amount of arguments.
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- Fixes a potential crash when using incomplete tokens in a template for
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example, `{%%}` or `{{}}`.
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- Fixes evaluating nil properties as true
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## 0.9.0
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### Enhancements
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- `for` block now can contain `where` expression to filter array items. For example `{% for item in items where item > 1 %}` is now supported.
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- `if` blocks may now contain else if (`elif`) conditions.
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```html+django
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{% if one or two and not three %}
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one or two but not three
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{% elif four %}
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four
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{% else %}
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not one, two, or four
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{% endif %}
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```
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- `for` block now allows you to iterate over array of tuples or dictionaries.
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```html+django
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{% for key,value in thing %}
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<li>{{ key }}: {{ value }}</li>
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{% endfor %}
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```
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### Bug Fixes
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- You can now use literal filter arguments which contain quotes.
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[#98](https://github.com/kylef/Stencil/pull/98)
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## 0.8.0
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### Breaking
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- It is no longer possible to create `Context` objects. Instead, you can pass a
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dictionary directly to a `Template`s `render` method.
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```diff
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- try template.render(Context(dictionary: ["name": "Kyle"]))
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+ try template.render(["name": "Kyle"])
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```
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- Template loader are no longer passed into a `Context`, instead you will need
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to pass the `Loader` to an `Environment` and create a template from the
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`Environment`.
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```diff
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let loader = FileSystemLoader(paths: ["templates/"])
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- let template = loader.loadTemplate(name: "index.html")
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- try template.render(Context(dictionary: ["loader": loader]))
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+ let environment = Environment(loader: loader)
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+ try environment.renderTemplate(name: "index.html")
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```
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- `Loader`s will now throw a `TemplateDoesNotExist` error when a template
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is not found.
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- `Namespace` has been removed and replaced by extensions. You can create an
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extension including any custom template tags and filters. A collection of
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extensions can be passed to an `Environment`.
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### Enhancements
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- `Environment` is a new way to load templates. You can configure an
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environment with custom template filters, tags and loaders and then create a
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template from an environment.
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Environment also provides a convenience method to render a template directly.
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- `FileSystemLoader` will now ensure that template paths are within the base
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path. Any template names that try to escape the base path will raise a
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`SuspiciousFileOperation` error.
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- New `{% filter %}` tag allowing you to perform a filter across the contents
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of a block.
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```html+django
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{% filter lowercase %}
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This Text Will Be Lowercased.
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{% endfilter %}
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```
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- You can now use `{{ block.super }}` to render a super block from another `{%
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block %}`.
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- `Environment` allows you to provide a custom `Template` subclass, allowing
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new template to use a specific subclass.
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- If expressions may now contain filters on variables. For example
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`{% if name|uppercase == "TEST" %}` is now supported.
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### Deprecations
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- `Template` initialisers have been deprecated in favour of using a template
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loader such as `FileSystemLoader` inside an `Environment`.
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- The use of whitespace inside variable filter expression is now deprecated.
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```diff
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- {{ name | uppercase }}
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+ {{ name|uppercase }}
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```
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### Bug Fixes
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- Restores compatibility with ARM based platforms such as iOS. Stencil 0.7
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introduced compilation errors due to using the `Float80` type which is not
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available.
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## 0.7.1
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### Bug Fixes
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- Fixes an issue where using `{% if %}` statements which use operators would
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throw a syntax error.
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## 0.7.0
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### Breaking
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- `TemplateLoader` has been renamed to `FileSystemLoader`. The
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`loadTemplate(s)` methods are now throwing and now take labels for the `name`
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and `names` arguments.
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- Many internal classes are no longer public. Some APIs were previously
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accessible due to earlier versions of Swift requiring the types to be public
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to be able to test. Now we have access to `@testable` these can correctly be
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private.
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- `{% ifnot %}` tag is now deprecated, please use `{% if not %}` instead.
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### Enhancements
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- Variable lookup now supports introspection of Swift types. You can now lookup
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values of Swift structures and classes inside a Context.
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- If tags can now use prefix and infix operators such as `not`, `and`, `or`,
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`==`, `!=`, `>`, `>=`, `<` and `<=`.
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```html+django
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{% if one or two and not three %}
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```
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- You may now register custom template filters which make use of arguments.
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- There is now a `default` filter.
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```html+django
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Hello {{ name|default:"World" }}
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```
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- There is now a `join` filter.
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```html+django
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{{ value|join:", " }}
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```
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- `{% for %}` tag now supports filters.
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```html+django
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{% for user in non_admins|default:admins %}
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{{ user }}
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{% endfor %}
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```
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### Bug Fixes
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- Variables (`{{ variable.5 }}`) that reference an array index at an unknown
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index will now resolve to `nil` instead of causing a crash.
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[#72](https://github.com/kylef/Stencil/issues/72)
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- Templates can now extend templates that extend other templates.
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[#60](https://github.com/kylef/Stencil/issues/60)
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- If comparisons will now treat 0 and below numbers as negative.
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## 0.6.0
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### Enhancements
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- Adds support for Swift 3.0.
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