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# Transcript
[[!template new="1" text="""Hi, everybody. Welcome to the EmacsConf 2023.""" start="00:00:00.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""I hope you're doing well and you're having fun.""" start="00:00:04.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""I'm Tony Aldon, and in this talk,""" start="00:00:06.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""we are going to see how to build a static website""" start="00:00:08.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""with the package one.el that I wrote.""" start="00:00:11.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""But before we start, I'd like to thank""" start="00:00:14.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""all the people who organized that conference,""" start="00:00:17.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""so thank you all for the great work.""" start="00:00:20.560" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now let's jump into the documentation of one.el,""" start="00:00:24.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is built with one.el. In the install page,""" start="00:00:27.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""we can see that we have a sidebar""" start="00:00:31.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""with all of the pages in the documentation,""" start="00:00:33.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""some buttons to switch between pages,""" start="00:00:35.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we also have a table of contents""" start="00:00:39.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""for some of the pages if we need it.""" start="00:00:41.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now let's jump into one.el repository""" start="00:00:45.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""and see why I like how it is implemented,""" start="00:00:49.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""because the website that we've seen,""" start="00:00:52.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""the documentation, is just one file.""" start="00:00:53.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is that file, with the headline of level 1""" start="00:00:55.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""being the web pages.""" start="00:01:00.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""There needs to be a web page to have the property,""" start="00:01:03.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""the Org property `:ONE:`, set to a render function.""" start="00:01:06.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""We are going to see how they work after.""" start="00:01:09.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""And the `:CUSTOM_ID:`, the value of the `:CUSTOM_ID:`,""" start="00:01:11.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""is the path of the page. So really,""" start="00:01:14.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""the website that we have on the left""" start="00:01:17.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""is this file. So to me, this is something simple like that""" start="00:01:20.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""that I wanted.""" start="00:01:24.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""And another thing is that when we want to""" start="00:01:25.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""change something with one.el,""" start="00:01:29.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""we don't change configuration""" start="00:01:33.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""or write JavaScript or anything else.""" start="00:01:36.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""We just write Emacs Lisp code or a bit of CSS.""" start="00:01:38.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is what we have with a minibuffer website""" start="00:01:43.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""that is built with one.el,""" start="00:01:45.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the only thing that I had to do""" start="00:01:47.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""is to write Emacs Lisp code.""" start="00:01:50.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""So those are two things: the content in one file,""" start="00:01:51.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""and if we want to change the layout, CSS and Emacs Lisp.""" start="00:01:55.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is one.el.""" start="00:01:58.680" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now let's go to our node,""" start="00:02:02.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we are going to start a new project.""" start="00:02:03.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""How do we do that?""" start="00:02:07.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""In a new empty directory,""" start="00:02:09.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""so new project directory,""" start="00:02:11.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""we call the function `one-default-new-project`.""" start="00:02:15.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""We have that project, which is one file with the""" start="00:02:19.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""five default type of pages that we have,""" start="00:02:22.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""and one CSS file.""" start="00:02:25.760" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""How to build that website?""" start="00:02:27.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""Okay, so we call the function `one-build`.""" start="00:02:29.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""This builds the website.""" start="00:02:32.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""We jump into a terminal, and now if we run tree,""" start="00:02:33.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""we can see that the website""" start="00:02:36.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""has been built in the public directory""" start="00:02:39.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""with the information in the Org properties""" start="00:02:42.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the content of one.org files. Okay, cool.""" start="00:02:45.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now we are going to render that in the browser""" start="00:02:50.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""to serve that, and to do that""" start="00:02:53.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""we can use browser-sync utility,""" start="00:02:58.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is cool with that,""" start="00:03:01.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""in that each time we are going to...""" start="00:03:02.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we go into public...""" start="00:03:06.420" video="mainVideo-one" id="subtitle"]]
[[!template text="""Each time we are going to change and rebuild the website,""" start="00:03:07.861" video="mainVideo-one" id="subtitle"]]
[[!template text="""this will be reloaded in the browser.""" start="00:03:11.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""So one, this is that website, is now this one.""" start="00:03:14.320" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""So let's put them side by side.""" start="00:03:19.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""We go there, and we may do something like that.""" start="00:03:22.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""So one.el, the home page, so our custom ID""" start="00:03:26.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""with the value just a /,""" start="00:03:30.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""is rendered with that function `one-default-home`,""" start="00:03:32.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is a render function,""" start="00:03:36.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the first argument of that function is the headline,""" start="00:03:37.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""this current headline. So, parsed with the Org parser,""" start="00:03:41.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""and then we do the thing that we want to do,""" start="00:03:45.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the render function returns an HTML string""" start="00:03:48.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""that is used to build the pages at the custom ID.""" start="00:03:52.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now we can go to another web page, the second web page,""" start="00:03:57.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see that there is a different value""" start="00:04:03.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""for the `:ONE:` property, so another render function,""" start="00:04:05.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the custom ID at the path of that page.""" start="00:04:10.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we can see that in the browser.""" start="00:04:14.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is `/blog/default-home-list-pages`.""" start="00:04:16.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is that. Now there are three other pages,""" start="00:04:19.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""but we can list that like that.""" start="00:04:23.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""We do a grep in that files,""" start="00:04:25.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see the different default render function.""" start="00:04:28.360" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""In the second part of that talk,""" start="00:04:32.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""we are going to write a render function.""" start="00:04:34.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we are going to see that after.""" start="00:04:38.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now maybe we can go to the default page,""" start="00:04:41.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""and let's modify that default page.""" start="00:04:47.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""We see that this uses `one-default` render function,""" start="00:04:50.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now let's write "foo bar baz".""" start="00:04:54.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""We want to modify the content. We save.""" start="00:04:57.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""We call again one-build distribute,""" start="00:05:00.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see here we have it: foo bar baz in the default page.""" start="00:05:10.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now we can use... When we use one-build,""" start="00:05:16.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""this also copies the files in the asset directory""" start="00:05:19.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""into the public directory.""" start="00:05:23.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is not always what we want to do.""" start="00:05:25.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""Sometimes we just change the content,""" start="00:05:28.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""and for that we can use `one-render-page-at-point`.""" start="00:05:29.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""If we use that one, this just renders the current page.""" start="00:05:34.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we see that we have again "foo bar baz" in the page.""" start="00:05:39.480" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now let's add a new page. To add a new page,""" start="00:05:44.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""we just have to copy one of them, maybe the default page.""" start="00:05:47.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""We are going to call it maybe emacsconf-2023.""" start="00:05:52.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""We still use one default render function to render it,""" start="00:05:58.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""but we want to change the path.""" start="00:06:01.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""So the custom ID, we are going to give it /blog""" start="00:06:04.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and emacsconf-2023 with a slash at the end,""" start="00:06:08.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the content... We no longer want this one,""" start="00:06:12.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""but maybe "We're having a lot of fun".""" start="00:06:18.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we save that, we rebuild with `one-build` this,""" start="00:06:22.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we can look at the top""" start="00:06:28.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and pass it the path `/blog/emacsconf-2023/.""" start="00:06:33.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we have that new page.""" start="00:06:39.280" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now, how to link between pages?""" start="00:06:41.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we are going to write a link""" start="00:06:44.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""that links to the last page,""" start="00:06:46.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""so a page with the table of contents.""" start="00:06:48.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""To do that, we just have to use the value of the custom ID,""" start="00:06:50.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and to link to a custom ID inside Org mode,""" start="00:06:54.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""we use the hashtag. We pass it here,""" start="00:06:58.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""then we pass it in the description,""" start="00:07:03.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""so TOC and sidebar,""" start="00:07:07.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now if we press RET inside Emacs,""" start="00:07:09.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""we jump to that page. So this is cool.""" start="00:07:12.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now we build again,""" start="00:07:15.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see that we are going to have""" start="00:07:17.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""the link to the page in the browser.""" start="00:07:19.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this link to the default page with a table of contents,""" start="00:07:22.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""fine, but maybe what we want to do""" start="00:07:27.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""is to link to the "Headline foo" in that page.""" start="00:07:29.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""How do we do that?""" start="00:07:33.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""We do that by adding a custom id.""" start="00:07:34.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""We keep the first part,""" start="00:07:36.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is the page where we are,""" start="00:07:41.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we added hash with foo,""" start="00:07:43.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""so that Headline foo will have the ID "foo"""" start="00:07:46.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""in its H2 tag, HTML tag,""" start="00:07:50.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we can link it here with still custom ID, so "foo",""" start="00:07:57.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now it's headline... headline with what?""" start="00:08:05.081" video="mainVideo-one" id="subtitle"]]
[[!template text="""Headline foo in TOC page. So we have that.""" start="00:08:10.540" video="mainVideo-one" id="subtitle"]]
[[!template text="""If we press RET, we jump to that headline in Emacs.""" start="00:08:14.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is super cool.""" start="00:08:19.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""And now, if we call `one-build`,""" start="00:08:20.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""we see in the browser""" start="00:08:23.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we have a new link,""" start="00:08:25.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""and this link linked to that specific headline.""" start="00:08:26.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is cool. So we have the link between pages""" start="00:08:30.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""that works inside Emacs""" start="00:08:34.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""and that works well also in the browser.""" start="00:08:36.320" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now let's say that we want to change the CSS.""" start="00:08:40.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we've added a page with specific content,""" start="00:08:44.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we've done some links.""" start="00:08:50.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now we want to modify the CSS file""" start="00:08:51.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is in the asset directory, the one.css.""" start="00:08:55.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""Each time we change it,""" start="00:09:00.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""we want to have live reload""" start="00:09:02.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""that copy that file into the public directory,""" start="00:09:05.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""so the same. We go back here,""" start="00:09:10.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""and there is a utility called `entr`, e-n-t-r.""" start="00:09:14.660" video="mainVideo-one" id="subtitle"]]
[[!template text="""Yes, this one, and using that, so a new terminal,""" start="00:09:18.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""we are at the beginning.""" start="00:09:26.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""This will watch the changing in what.css,""" start="00:09:28.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""and `entr` will copy it into the public directory""" start="00:09:32.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""each time this changes. Let's go back to Org mode,""" start="00:09:35.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""because I chose some color that is cool,""" start="00:09:38.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we go back to the CSS files.""" start="00:09:43.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""We put them side by side, and maybe we go to the new page""" start="00:09:47.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we were changing,""" start="00:09:53.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we are going to change the body,""" start="00:09:55.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""the background color, and maybe we can change""" start="00:10:01.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""with the color that we've just taken.""" start="00:10:03.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we save, and we see the changing happening.""" start="00:10:06.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""We can do it again with the color""" start="00:10:10.220" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we have at the beginning,""" start="00:10:14.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""and this is the user experience""" start="00:10:16.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we have with one.el and the default function.""" start="00:10:18.880" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now that we've seen that,""" start="00:10:23.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""we've done all of that part,""" start="00:10:26.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we are going to see""" start="00:10:30.461" video="mainVideo-one" id="subtitle"]]
[[!template text="""how to write a render function.""" start="00:10:31.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""So let's go. The render function,""" start="00:10:34.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""so one.org, we remember these are the functions""" start="00:10:36.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""that are in the `:ONE:` Org property.""" start="00:10:41.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we are going to remove that part.""" start="00:10:43.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""We no longer want that one. We don't want this.""" start="00:10:45.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""We just keep that. `one-default`,""" start="00:10:49.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""we want this to be the home of our website.""" start="00:10:52.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""We have that. We rebuild,""" start="00:10:55.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we just have one page, and we have that page.""" start="00:10:57.660" video="mainVideo-one" id="subtitle"]]
[[!template text="""We are going to add another page that we call "foo",""" start="00:11:05.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""and here we pass it the render function foo""" start="00:11:10.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""that doesn't exist yet, and we are going to write it.""" start="00:11:15.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""So maybe with some content, and we copy, copy.""" start="00:11:20.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""We have that. We call it "bar" to have something to show.""" start="00:11:27.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""So here we are. If we build that, so we build it,""" start="00:11:33.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see in the echo area at the bottom""" start="00:11:39.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we have an error "void",""" start="00:11:42.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is because the function foo doesn't exist.""" start="00:11:43.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""So now we are going to write that function,""" start="00:11:46.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we write it in the onerc.el""" start="00:11:48.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""where we put any Elisp code""" start="00:11:53.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we want to be run""" start="00:11:57.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""each time we build the website or render the pages.""" start="00:11:58.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we want a render function called foo.""" start="00:12:03.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""So that takes three arguments: page-tree, pages, and global.""" start="00:12:06.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""We are going to look at the page-tree in our case,""" start="00:12:10.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the render function return an HTML string.""" start="00:12:16.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is the thing that we want from them.""" start="00:12:19.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""So maybe foo, bar, and baz.""" start="00:12:22.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now this is something well-defined,""" start="00:12:25.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""and with one.org here, the file, we rebuild this,""" start="00:12:28.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we can see now in the browser,""" start="00:12:34.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""if we go to the page foo, that we have "foo bar baz".""" start="00:12:39.620" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is exactly what we have rendered""" start="00:12:42.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""by the render function that is set,""" start="00:12:45.460" video="mainVideo-one" id="subtitle"]]
[[!template text="""we see at the bottom in the one.org file,""" start="00:12:47.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""in the `:ONE:` property. Now this is HTML, so we can pass it,""" start="00:12:51.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""for instance, h1, the tag h1.""" start="00:12:56.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""We save that file. We go in the one.org file,""" start="00:13:00.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""we build again, and now we see that we have an h1.""" start="00:13:06.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""Okay, this is interesting, but if we would have to""" start="00:13:10.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""build this function with a string like that,""" start="00:13:14.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is boring and not the best way.""" start="00:13:18.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we can use the library Jack,""" start="00:13:22.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""which offers function `jack-html`""" start="00:13:24.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""that takes some data structure,""" start="00:13:27.589" video="mainVideo-one" id="subtitle"]]
[[!template text="""for instance, an h1, a nested list""" start="00:13:31.581" video="mainVideo-one" id="subtitle"]]
[[!template text="""that represents the HTML that we want to render,""" start="00:13:34.180" video="mainVideo-one" id="subtitle"]]
[[!template text="""and transform it into an HTML string.""" start="00:13:38.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we have that, we saved,""" start="00:13:41.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""we rebuild in the one.org file with `one-build`,""" start="00:13:43.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see now that this has been built using `jack-html`.""" start="00:13:48.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now what do we want to do?""" start="00:13:55.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""Okay, see, the thing that we want to do""" start="00:13:59.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""is to understand page-tree. So what is page-tree?""" start="00:14:02.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""page-tree is when we go to one.org,""" start="00:14:05.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is really for foo,""" start="00:14:07.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is the parsed data of that headline, that page.""" start="00:14:09.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""So this is done with, no, not this one, we use,""" start="00:14:17.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""so in the mini-buffer, we use `one-parse-buffer`,""" start="00:14:23.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see this is the data""" start="00:14:27.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we have with that function, first headline,""" start="00:14:30.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the second headline,""" start="00:14:33.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is the parse tree that we have there.""" start="00:14:34.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is that data that is passed to""" start="00:14:38.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""the `foo` render function. One thing that is cool,""" start="00:14:40.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""so I see here, is that as we are dealing with data,""" start="00:14:45.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""we have all the data of the website,""" start="00:14:51.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""we can show them in the web page. Now, why not?""" start="00:14:53.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""It's great to write the website""" start="00:14:57.361" video="mainVideo-one" id="subtitle"]]
[[!template text="""and also to debug if we need to debug at some point.""" start="00:15:00.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""So let's render page-tree directly in the page, one.org,""" start="00:15:02.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we rebuild, we reload, and we see this is what we have,""" start="00:15:10.280" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is the data that we have, okay?""" start="00:15:15.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""And we have, for instance, the `:raw-value` with this "foo",""" start="00:15:17.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""which is the headline,""" start="00:15:20.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""the content of the headline in a raw format,""" start="00:15:22.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we also have custom,""" start="00:15:27.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""so here we have the `:CUSTOM_ID: foo` and `:ONE: foo`,""" start="00:15:29.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""which are the properties,""" start="00:15:33.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""and when we are inside those render functions,""" start="00:15:35.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""we have access to this.""" start="00:15:40.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""So let's, what can we do now, is to,""" start="00:15:43.241" video="mainVideo-one" id="subtitle"]]
[[!template text="""let's get the row value.""" start="00:15:46.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""So we no longer need that.""" start="00:15:48.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""Maybe we can do something like that.""" start="00:15:51.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""We create now HTML. In HTML, we want the body,""" start="00:15:54.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""we want an h1 tag, and we are going to pass it""" start="00:16:04.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""a title, and in the title,""" start="00:16:08.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""this is something that we let-bind here,""" start="00:16:10.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""so the value of the title,""" start="00:16:13.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""we get it with `org-element-property`,""" start="00:16:15.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the `:raw-value`, so this is the property that we want,""" start="00:16:24.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""so `raw-value`, and from which data we want that,""" start="00:16:29.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""to page-tree. So now, let's have one.org at the bottom,""" start="00:16:34.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""we build again, and now we reload,""" start="00:16:40.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we see that we get a foo. This is that title,""" start="00:16:46.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""the value of that variable in that data structure.""" start="00:16:50.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now, let's get those two properties.""" start="00:16:56.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""How do we get those two properties?""" start="00:17:00.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""The same way, `:ONE:` that we call one, so raw-value,""" start="00:17:03.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""we change that for `:ONE`, the other raw-value""" start="00:17:07.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""for `:CUSTOM_ID`, we change the title for `custom-id`,""" start="00:17:11.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""and what we want now is for instance,""" start="00:17:19.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""yes, h1 again, and org properties.""" start="00:17:23.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""We add the org properties, and let's do a list,""" start="00:17:30.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""another list, with li element, one,""" start="00:17:34.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""we want that value, and that value will be""" start="00:17:39.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""the value of the variable one.""" start="00:17:43.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""We can do that with also custom-id,""" start="00:17:45.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now, in the one that we have to save,""" start="00:17:52.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""and in one of our files, not like that,""" start="00:17:56.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""we rebuild that, and we see""" start="00:17:59.440" video="mainVideo-one" id="subtitle"]]
[[!template text="""that we can get those properties.""" start="00:18:03.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is super cool.""" start="00:18:05.800" video="mainVideo-one" id="subtitle"]]
[[!template text="""As we are dealing with data,""" start="00:18:07.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we have the information of the whole website,""" start="00:18:09.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""we can do whatever we want,""" start="00:18:11.720" video="mainVideo-one" id="subtitle"]]
[[!template text="""because we have access to that data.""" start="00:18:14.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""Let's, for instance, add a date, the date of 2023,""" start="00:18:16.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""so I think this is 02, when there is the conference, see,""" start="00:18:23.840" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we can get access to that `one` again,""" start="00:18:28.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""here, so `date`, and we go,""" start="00:18:32.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""we change the `:CUSTOM_ID` with the `:DATE`,""" start="00:18:37.955" video="mainVideo-one" id="subtitle"]]
[[!template text="""and in the list here,""" start="00:18:42.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""so we want in the list, this to be the date,""" start="00:18:46.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we build again that,""" start="00:18:53.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we have access to the date.""" start="00:18:56.560" video="mainVideo-one" id="subtitle"]]
[[!template text="""Really, we can do whatever we want.""" start="00:18:58.800" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""Now, we want the content. So far,""" start="00:19:03.200" video="mainVideo-one" id="subtitle"]]
[[!template text="""we get the property, but what about the content,""" start="00:19:06.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""so h1, and now we put "Org content",""" start="00:19:11.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and this is going to be something in the variable content,""" start="00:19:17.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we have to add that variable,""" start="00:19:21.360" video="mainVideo-one" id="subtitle"]]
[[!template text="""so in the let binding, we write our content,""" start="00:19:25.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""we are going to have that content from the page-tree.""" start="00:19:28.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""To do that, we use `org-export`,""" start="00:19:30.640" video="mainVideo-one" id="subtitle"]]
[[!template text="""so we need to export something into HTML,""" start="00:19:33.680" video="mainVideo-one" id="subtitle"]]
[[!template text="""we export the data with the backend.""" start="00:19:36.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""So the data that we want is page-tree,""" start="00:19:37.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""but we don't want the first headline,""" start="00:19:40.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""so we use `org-element-contents`,""" start="00:19:42.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we pass it `page-tree`, so this is that.""" start="00:19:46.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""But for the exported, we need to pass it,""" start="00:19:50.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""and also, how do we call that, we call that an Org backend.""" start="00:19:53.120" video="mainVideo-one" id="subtitle"]]
[[!template text="""So `one-ox` is our backend provided by one.el,""" start="00:20:00.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and the last argument is nil.""" start="00:20:06.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""We are almost done. Now with one.org,""" start="00:20:09.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""we build the website, and we see that we have an error,""" start="00:20:14.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""it's because this is not a content,""" start="00:20:18.880" video="mainVideo-one" id="subtitle"]]
[[!template text="""so there.. No, okay,""" start="00:20:22.080" video="mainVideo-one" id="subtitle"]]
[[!template text="""there was this `org-element-contents`, I think,""" start="00:20:27.040" video="mainVideo-one" id="subtitle"]]
[[!template text="""and now we build it, and we must see it here.""" start="00:20:32.840" video="mainVideo-one" id="subtitle"]]
[[!template new="1" text="""So we have the content,""" start="00:20:37.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""we have the Org values,""" start="00:20:39.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""and last thing that we can do maybe is to put some CSS.""" start="00:20:43.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""Let's have a look to `one-default` function.""" start="00:20:48.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""We can see in one.el file that we have a lot of""" start="00:20:51.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""default functions that we can use to take inspiration.""" start="00:20:56.400" video="mainVideo-one" id="subtitle"]]
[[!template text="""The last thing that we need""" start="00:21:01.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""is to link to the one.css file,""" start="00:21:05.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""so we are going to do that `onerc` file.""" start="00:21:08.000" video="mainVideo-one" id="subtitle"]]
[[!template text="""This is here, so `html` we don't need,""" start="00:21:14.920" video="mainVideo-one" id="subtitle"]]
[[!template text="""we have that one, we want the head to be here,""" start="00:21:20.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we pass it a class, which is a title,""" start="00:21:26.480" video="mainVideo-one" id="subtitle"]]
[[!template text="""a div with the class content. We have that.""" start="00:21:37.320" video="mainVideo-one" id="subtitle"]]
[[!template text="""Now with one.org, we build it again,""" start="00:21:42.240" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we should see the website render with the CSS,""" start="00:21:46.160" video="mainVideo-one" id="subtitle"]]
[[!template text="""the property, and all the content,""" start="00:21:50.600" video="mainVideo-one" id="subtitle"]]
[[!template text="""and we've done that just with that Emacs Lisp file,""" start="00:21:56.760" video="mainVideo-one" id="subtitle"]]
[[!template text="""so this is all I wanted to show you today with one.el,""" start="00:22:01.520" video="mainVideo-one" id="subtitle"]]
[[!template text="""I hope you enjoyed the talk, and have a nice day,""" start="00:22:08.960" video="mainVideo-one" id="subtitle"]]
[[!template text="""and a nice conference.""" start="00:22:14.880" video="mainVideo-one" id="subtitle"]]
Captioner: sachac
Questions or comments? Please e-mail [tony@tonyaldon.com](mailto:tony@tonyaldon.com?subject=Comment%20for%20EmacsConf%202022%20one%3A%20one.el%3A%20the%20static%20site%20generator%20for%20Emacs%20Lisp%20Programmers)
<!-- End of emacsconf-publish-after-page -->
