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feat(web): syntax highlighting via highlight.js

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download from https://highlightjs.org/download/
place `highlight/` directory next to `css/`

style needs adapting for Neovim colors
This commit is contained in:
Christian Clason 2022-11-22 21:23:33 +01:00
parent 952f19ba38
commit 9e1187e489
1 changed files with 14 additions and 3 deletions
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17
scripts/gen_help_html.lua
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@ -35,6 +35,7 @@ local spell_dict = {
lua = 'Lua', lua = 'Lua',
VimL = 'Vimscript', VimL = 'Vimscript',
} }
local language = nil
local M = {} local M = {}
@ -489,7 +490,7 @@ local function visit_node(root, level, lang_tree, headings, opt, stats)
end end
return string.format('<div class="help-para">\n%s\n</div>\n', text) return string.format('<div class="help-para">\n%s\n</div>\n', text)
elseif node_name == 'line' then elseif node_name == 'line' then
if parent ~= 'code' and (is_blank(text) or is_noise(text, stats.noise_lines)) then if (parent ~= 'codeblock' or parent ~= 'code') and (is_blank(text) or is_noise(text, stats.noise_lines)) then
return '' -- Discard common "noise" lines. return '' -- Discard common "noise" lines.
end end
-- XXX: Avoid newlines (too much whitespace) after block elements in old (preformatted) layout. -- XXX: Avoid newlines (too much whitespace) after block elements in old (preformatted) layout.
@ -535,16 +536,23 @@ local function visit_node(root, level, lang_tree, headings, opt, stats)
return s return s
elseif node_name == 'argument' then elseif node_name == 'argument' then
return ('%s<code>{%s}</code>'):format(ws(), text) return ('%s<code>{%s}</code>'):format(ws(), text)
-- TODO: use language for proper syntax highlighted code blocks
elseif node_name == 'codeblock' then elseif node_name == 'codeblock' then
return text return text
elseif node_name == 'language' then elseif node_name == 'language' then
language = node_text(root)
return '' return ''
elseif node_name == 'code' then elseif node_name == 'code' then
if is_blank(text) then if is_blank(text) then
return '' return ''
end end
return ('<pre>%s</pre>'):format(trim(trim_indent(text), 2)) local code
if language then
code = ('<pre><code class="language-%s">%s</code></pre>'):format(language,trim(trim_indent(text), 2))
language = nil
else
code = ('<pre>%s</pre>'):format(trim(trim_indent(text), 2))
end
return code
elseif node_name == 'tag' then -- anchor elseif node_name == 'tag' then -- anchor
if root:has_error() then if root:has_error() then
return text return text
@ -690,6 +698,9 @@ local function gen_one(fname, to_fname, old, commit)
<link href="/css/bootstrap.css" rel="stylesheet"> <link href="/css/bootstrap.css" rel="stylesheet">
<link href="/css/main.css" rel="stylesheet"> <link href="/css/main.css" rel="stylesheet">
<link href="help.css" rel="stylesheet"> <link href="help.css" rel="stylesheet">
<link href="/highlight/styles/neovim.min.css" rel="stylesheet">
<script src="/highlight/highlight.min.js"></script>
<script>hljs.highlightAll();</script>
<title>%s - Neovim docs</title> <title>%s - Neovim docs</title>
</head> </head>
<body> <body>