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docs: Update documentation

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Adnan Maolood 2021-05-21 16:41:35 -04:00
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@ -29,10 +29,10 @@ kiln - a simple static site generator
# OVERVIEW
A kiln site is built in one or more steps called *tasks*.
Tasks read content from the content directory, process the content, and write
the content to the output directory. Tasks can also be configured to copy static
content to the output directory.
A kiln site is built in one or more steps called *tasks*. Tasks read content
from the content directory, process the content, and write the content to the
output directory. Tasks can also be configured to copy static content to the
output directory.
The following directories are common to all tasks:
@ -47,23 +47,23 @@ The following directories are common to all tasks:
The content directory contains site content files, called *pages*, optionally
nested in subdirectories. Any file or directory in the content directory whose
name begins with "\_" will be ignored.
name begins with "\_" will be ignored, with the exception of pages with the name
"\_index" (e.g. "\_index.gmi").
Pages may be preprocessed, run through templates, and postprocessed (in that
order). Each operation takes the output of the last operation as input.
; TODO: Should we remove this behavior and opt for using frontmatter instead?
Pages can specify dates in their filenames. For example, the page
content/2020-11-20-Hello-world.gmi will have a path of /Hello-world/ and a date
of November 20, 2020.
Pages with the name "index" are index pages and are treated specially.
Pages with the name "\_index" are index pages and are treated specially.
## FRONTMATTER
Content files can specify additional metadata in frontmatter. Frontmatter is
delimited by "---" and is specified in YAML. Newlines after the closing
delimiter are removed from the content.
Pages can specify additional metadata in frontmatter. Frontmatter is delimited
by "---" and is specified in YAML. Newlines after the closing delimiter are
removed from the content.
Example:
@ -100,6 +100,8 @@ Templates use the Go templating language. The following templates are supported:
: Page template
| index.ext
: Directory index template
| base.ext
: Base template from which the page and index templates inherit
| atom.xml
: Atom feed template
@ -111,8 +113,8 @@ example, a template in the templates/blog directory will only apply to files in
content/blog.
Fallback templates can be specified in the templates/\_default directory. These
templates will apply to any files which do not have their own templates
specified.
templates will apply to any directory which does not have its own templates
specified in the template directory.
For more information on the Go templating language, see
https://golang.org/pkg/text/template/.
@ -123,7 +125,7 @@ By default, kiln looks for a configuration file named "config.toml". An
alternative configuration file can be specified with the *-c* flag. See
*OPTIONS*.
The configuration file uses the _TOML_ configuration file format.
The configuration file uses the _TOML_ format.
The following keys are supported:
@ -175,51 +177,116 @@ For more information on templates, see *TEMPLATES*.
## TASKS
Tasks can be specified in the [tasks] table. Each task must have a unique name.
Tasks can be specified in the [[tasks]] array of tables.
The following keys are supported per task:
The following configuration options are supported per task:
[[ *Key*
:[ *Description*
| input
: Input file extensions
| output
: Output file extension
| template
: Template file extension
| preprocess
: Preprocess commands
| postprocess
: Postprocess command
| static_dir
: Static content directory
| output_dir
: Output directory
*input*
A list of input file extensions. Files in the content directory with a
matching extension will be processed.
The input file extension specifies which files from the content directory to
process. Only files which have the same extension will be processed.
Example:
The output file extension specifies the extension of the file that is written to
the output directory.
```
[[tasks]]
input = [".gmi", ".md"]
```
The template file extension specifies the extension of the templates that will
be used in the templates directory. If unset, no templates will be used.
*output*
The output file extension. Files written to the output directory will use
this extension.
The preprocess commands specify commands which will run before content is
passed to a template. It will be provided the content as standard input and
should write the processed content to standard output.
Example:
The postprocess command specifies a command which will run after templating
and before content is written to the output directory. It will be provided the
content as standard input and should write the content to standard output.
```
[[tasks]]
output = ".html"
```
The static content directory controls which directory to use for static content.
If unset, no static content directory will be used. All files in this directory
will be copied to the output directory without modification. Static assets like
images should be stored in this directory.
*template*
The template file extension. Templates with this file extension will be used
to format the content. If unset, no templates will be used.
The output directory specifies the directory to which the output files will be
written.
Example:
```
[[tasks]]
template = ".gmi"
```
*preprocess*
Maps file extensions to preprocess commands. Preprocess commands will run
before templating. The commands will be provided the content of the page as
standard input and should write the processed content to standard output.
Example:
```
[[tasks]]
input = [".gmi", ".md"]
output = ".html"
preprocess.gmi = "gmnitohtml"
preprocess.md = "mdtohtml"
```
*postprocess*
Specifies a command which will run after templating and before content is
written to the output directory. It will be provided the content of the page
as standard input and should write the processed content to standard output.
Example:
```
[[tasks]]
input = [".gmi"]
output = ".html"
template = ".gmi"
postprocess = "gmnitohtml"
```
*static_dir*
Specifies a directory from which to read static content. All files in this
directory will be copied to the output directory without modificiation.
Static assets like images should be stored in this directory. If unset, no
static content directory will be used.
Example:
```
[[tasks]]
static_dir = "static"
```
*output_dir*
Specifies the directory to which output files will be written.
Example:
```
[[tasks]]
output_dir = "public"
```
*ugly_urls*
Specifies whether page permalinks will contain file extensions. By default,
clean URLs without any extension are used.
Example:
```
[[tasks]]
ugly_urls = true
```
The following configuration builds a simple Gemini site.
```
[[tasks]]
input = [".gmi"]
output = ".gmi"
template = ".gmi"
output_dir = "public"
```
The following configuration generates a Gemini text site and also exports an
HTML version of the site. This configuration makes use of the *gmnitohtml*(1)
@ -328,6 +395,16 @@ All templates have the following functions available to them:
"or x y" behaves as "if x then x else y". All the
arguments are evaluated.
*partial* _name_, _data_
Executes the named partial template with the provided data. See *PARTIAL
TEMPLATES*.
Example:
```
{{ partial "header.gmi" . }}
```
*path.Base* _path_
Returns the last element of _path_.
@ -477,6 +554,16 @@ All templates have the following functions available to them:
Site metadata contains the following data:
package main
import (
"fmt"
"path"
)
func main() {
fmt.Println(path.Join("https://example.com", "hello-world"))
}
[[ *Variable*
:[ *Description*
| Title
@ -528,3 +615,8 @@ Feed templates are provided with the following data:
| Entries
: List of pages in this feed
## PARTIAL TEMPLATES
Partial templates can be specified in the templates/\_partials directory.
Partial templates can be executed from any other template with the *partial*
function. See *TEMPLATE FUNCTIONS*.