mirror of
https://github.com/superseriousbusiness/gotosocial
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* Add Swagger spec test script * Fix Swagger spec errors not related to statuses with polls * Add API tests that post a status with a poll * Fix creating a status with a poll from form params * Fix Swagger spec errors related to statuses with polls (this is the last error) * Fix Swagger spec warnings not related to unused definitions * Suppress a duplicate list update params definition that was somehow causing wrong param names * Add Swagger test to CI - updates Drone config - vendorizes go-swagger - fixes a file extension issue that caused the test script to generate JSON instead of YAML with the vendorized version * Put `Sample: ` on its own line everywhere * Remove unused id param from emojiCategoriesGet * Add 5 more pairs of profile fields to account update API Swagger * Remove Swagger prefix from dummy fields It makes the generated code look weird * Manually annotate params for statusCreate operation * Fix all remaining Swagger spec warnings - Change some models into operation parameters - Ignore models that already correspond to manually documented operation parameters but can't be trivially changed (those with file fields) * Documented that creating a status with scheduled_at isn't implemented yet * sign drone.yml * Fix filter API Swagger errors * fixup! Fix filter API Swagger errors --------- Co-authored-by: tobi <tobi.smethurst@protonmail.com>
101 lines
3.8 KiB
Markdown
101 lines
3.8 KiB
Markdown
# Sprig: Template functions for Go templates
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[](https://pkg.go.dev/github.com/Masterminds/sprig/v3)
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[](https://goreportcard.com/report/github.com/Masterminds/sprig)
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[](https://masterminds.github.io/stability/sustained.html)
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[](https://github.com/Masterminds/sprig/actions)
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The Go language comes with a [built-in template
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language](http://golang.org/pkg/text/template/), but not
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very many template functions. Sprig is a library that provides more than 100 commonly
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used template functions.
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It is inspired by the template functions found in
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[Twig](http://twig.sensiolabs.org/documentation) and in various
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JavaScript libraries, such as [underscore.js](http://underscorejs.org/).
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## IMPORTANT NOTES
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Sprig leverages [mergo](https://github.com/imdario/mergo) to handle merges. In
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its v0.3.9 release, there was a behavior change that impacts merging template
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functions in sprig. It is currently recommended to use v0.3.10 or later of that package.
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Using v0.3.9 will cause sprig tests to fail.
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## Package Versions
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There are two active major versions of the `sprig` package.
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* v3 is currently stable release series on the `master` branch. The Go API should
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remain compatible with v2, the current stable version. Behavior change behind
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some functions is the reason for the new major version.
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* v2 is the previous stable release series. It has been more than three years since
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the initial release of v2. You can read the documentation and see the code
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on the [release-2](https://github.com/Masterminds/sprig/tree/release-2) branch.
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Bug fixes to this major version will continue for some time.
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## Usage
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**Template developers**: Please use Sprig's [function documentation](http://masterminds.github.io/sprig/) for
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detailed instructions and code snippets for the >100 template functions available.
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**Go developers**: If you'd like to include Sprig as a library in your program,
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our API documentation is available [at GoDoc.org](http://godoc.org/github.com/Masterminds/sprig).
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For standard usage, read on.
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### Load the Sprig library
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To load the Sprig `FuncMap`:
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```go
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import (
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"github.com/Masterminds/sprig/v3"
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"html/template"
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)
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// This example illustrates that the FuncMap *must* be set before the
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// templates themselves are loaded.
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tpl := template.Must(
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template.New("base").Funcs(sprig.FuncMap()).ParseGlob("*.html")
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)
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```
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### Calling the functions inside of templates
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By convention, all functions are lowercase. This seems to follow the Go
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idiom for template functions (as opposed to template methods, which are
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TitleCase). For example, this:
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```
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{{ "hello!" | upper | repeat 5 }}
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```
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produces this:
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```
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HELLO!HELLO!HELLO!HELLO!HELLO!
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```
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## Principles Driving Our Function Selection
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We followed these principles to decide which functions to add and how to implement them:
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- Use template functions to build layout. The following
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types of operations are within the domain of template functions:
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- Formatting
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- Layout
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- Simple type conversions
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- Utilities that assist in handling common formatting and layout needs (e.g. arithmetic)
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- Template functions should not return errors unless there is no way to print
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a sensible value. For example, converting a string to an integer should not
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produce an error if conversion fails. Instead, it should display a default
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value.
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- Simple math is necessary for grid layouts, pagers, and so on. Complex math
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(anything other than arithmetic) should be done outside of templates.
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- Template functions only deal with the data passed into them. They never retrieve
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data from a source.
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- Finally, do not override core Go template functions.
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