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Command-line.md

@ -154,7 +154,7 @@ The file is read by hablo when the blog is generated and its content gets includ
`-R, --rss`
Enables the generation of RSS feeds for each [lists](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#page-types) of articles. The feed consists in an additional `rss.xml` file placed in the same directory as the `index.html` and `all.html` files generated for. The feeds only include the most recent articles exactly as the «short» versions of each list, which means that they are affected by the use of the [`--preview-articles`](#number-of-articles-previewed) option.
Enables the generation of RSS feeds for each [list](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#page-types) of articles. The feed consists in an additional `rss.xml` file placed in the same directory as the `index.html` and `all.html` files generated for. The feeds only include the most recent articles exactly as the «short» versions of each list, which means that they are affected by the use of the [`--preview-articles`](#number-of-articles-previewed) option. When this option is enabled, hablo will also include links to the generated feeds in the list pages. Two [template variables](https://git.marvid.fr/Tissevert/hablo/wiki/Template%20variables#rsslinks) control respectively the content and the title of the link.
Note that this feature requires setting your site URL with [`--site-url`](#site-url).

56
Template-variables.md

@ -4,33 +4,39 @@ Here is the full list of the available text template variables that you can cust
Variables are prefixed by a `$` and may be enclosed in brackets `{ }` to lift any ambiguity and separate the variable from the surrounding characters (exemple : does the template `the $nth` refers to a `nth` variable or is it the variable `n` followed by the literal characters `th` ? the first interpretation prevails, and if you want the second one you should write `the ${n}th`).
Most of the templates are used «at [compile-time](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#static-and-lazy)» when the blog is generated and so errors, missing variables etc. are caught early but some like [metadata](#metadata) are only used client-side and hence need to be more resistant. If a variable present in a template is missing when the template is rendered, an `undefined` JS value is returned.
All template variables are checked at «[compile-time](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#static-and-lazy)» when the blog is generated and so syntax errors, missing or unexpected variables etc. are caught early.
Now some contexts, especially article contexts may vary a bit so some templates like `metadata` need a way to «catch» those null values and keep up templating. For instance, an article may or may not have an author or tags. You could for instance decide that the base articles of your blog aren't signed because they obviously come from you or the organization that publish the blog but that when the blog publishes an article by a special guest it needs a special mention. To «harden» a template string against possible null values, just enclose the corresponding optional part between `${? ?}`.
## Conditional blocks
## allLink
Now some contexts may vary a bit and sometimes «lack» a variable so some templates like `metadata` need a way to «catch» those possible null values and keep templating. You could for instance decide that most articles of your blog aren't signed because they obviously come from you or the organization that publishes the blog but that when the blog features an article by a special guest it needs a special mention and you would put the corresponding part using the `${author}` variable in a conditional block. The syntax to do so and «warn» the templating system of possible null values is to enclose the corresponding optional part inside `${? ?}` like so :
```
allPage = The articles{? about ${tag}?}
```
This will yield just `The articles` on the general pages without tags and `The articles about sea turtles` on the pages for the tag `sea turtles`. Note that conditional blocks are «flat», you can't nest one under another.
## Available variables
### allLink
The text used in the link to the [full](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#full-pages) page on the [latest](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#latest-pages) page of the same category.
## allPage
### allPage
The `<h2>` title used on the [full page for all the articles](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages).
The `<h2>` title used on the [full page for articles](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages).
## allTaggedPage
It can use the variable named `$tag` : the name of the tag for the given page. Be careful that this variable will be null for the untagged «general» pages, so you want to escape it using the [conditional](#conditional-blocks) syntax described above if your template string does contain `${tag}`.
The template for the `<h2>` title used on the [full pages for all the articles tagged a given tag](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages).
It of course expects one variable named `$tag` : the name of the tag for the given page.
## commentsLink
### commentsLink
The text displayed after the comments as a link to the toot that opens the comments section inviting visitors to comment the post.
## commentsSection
### commentsSection
The content of the `<h2>` element at the begining of the comments on the pages of articles that have comments enabled.
## dateFormat
### dateFormat
This isn't really a template per-se but impacts the way the dates are generated to use in the [metadata](#metadata) template. More precisely it contains the arguments passed to the [toLocaleDateString](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleDateString) method. It can thus only consist in a locale name, but since `toLocaleDateString` also accepts an object as second argument, you can write the whole thing using JSON like this :
@ -38,21 +44,17 @@ This isn't really a template per-se but impacts the way the dates are generated
dateFormat = ["en-AU", {"month":"long", "day":"2-digit"}]
```
## latestLink
### latestLink
The text used in the link to the [latest](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#latest-pages) page on the [full](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#full-pages) page of the same category.
## latestPage
### latestPage
The `<h2>` title used on the [latest page for all the articles](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages). This page is the main page of your blog so this is more or less the first title that people see when they come to your blog.
The `<h2>` title used on the [latest page for articles](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages). The latest page without tags is the «main» page of your blog so this is more or less the first title that people see when they come to your blog.
## latestTaggedPage
Just like the [allPage](#allpage) above it makes use of the `$tag` variable, that will be null for the untagged «general» pages. Again, see the [conditional](#conditional-blocks) section above to handle this properly.
The template for the `<h2>` title used on the [latest pages for all the articles tagged a given tag](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages).
It of course expects one variable named `$tag` : the name of the tag for the given page.
## metadata
### metadata
The template of the text used to present the metadata associated to each article. This template is used both in the preview of an article on any page that lists it and on the article's page itself. It expects three possible variables
@ -68,7 +70,15 @@ metadata = {?by ${author} ?}on ${date}{? tagged ${tags}?}
If an article has an author, the rendered `metadata` string will start with «by <AUTHOR>», otherwise it will directly start with «on <SOME DATE>». Likewise all articles with tags will have their `metadata` end with « tagged » and then the list of comma-separated tags but if an article doesn't have tags, it will simply end after the date.
## tagsList
### rssLink
This template variable contains the text displayed in the link element pointing to the [RSS feed](https://git.marvid.fr/Tissevert/hablo/wiki/Command-line#rss) to each [list page](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages). This template is a constant and doesn't expect any templating variable.
### rssTitle
This template variable contains the title attribute of the link element pointing to the [RSS feed](https://git.marvid.fr/Tissevert/hablo/wiki/Command-line#rss) to each [list page](https://git.marvid.fr/Tissevert/hablo/wiki/Architectural%20choices#list-pages) that will be visible on mouse hover. The only templating variable it expects is `$tag` (which should be preferably [protected](#conditional-blocks) if you use it because `$tag` will be null on the main page containing a link to the general feed containing all the articles published on your blog).
### tagsList
The content of the `<h2>` element in the navigation `<div>` that lists all the tags of your blog.