Merge branch 'master' of https://dev.danilafe.com/DanilaFe/custom-nix
This commit is contained in:
commit
2fa33d6d96
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@ -15,4 +15,7 @@ mkdir $out
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cp -r public/$publicPath/* $out/
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# Render math in HTML and XML files.
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node $server &
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SERVER_ID=$!
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find $out/ -regex "$out/.*\.html" | xargs ruby $converter
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kill $SERVER_ID
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@ -1,23 +1,24 @@
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require "open3"
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require "nokogiri"
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require "net/http"
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require "json"
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def render_cached(cache, command, string, render_comment = nil)
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def render_cached(cache, display, string, render_comment = nil)
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cache.fetch(string) do |new|
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puts " Rendering #{render_comment || new}"
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cache[string] = Open3.popen3(command) do |i, o, e, t|
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i.write new
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i.close
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o.read.force_encoding(Encoding::UTF_8).strip
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end
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res = Net::HTTP.post URI("http://localhost:3000/render"),
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{ :equations => [ { :str => string, :display => display } ] }.to_json,
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"Content-Type" => "application/json"
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cache[string] = JSON.parse(res.body)[0]
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end
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end
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def perform_katex_sub(inline_cache, display_cache, content)
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rendered = content.gsub /\\\(((?:[^\\]|\\[^\)])*)\\\)/ do |match|
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render_cached(inline_cache, "katex", $~[1])
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render_cached(inline_cache, false, $~[1])
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end
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rendered = rendered.gsub /\$\$((?:[^\$]|$[^\$])*)\$\$/ do |match|
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render_cached(display_cache, "katex -d", $~[1], "display")
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render_cached(display_cache, true, $~[1], "display")
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end
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return rendered
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end
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@ -21,7 +21,12 @@ let
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extraFlags = if settings.drafts then " -D " else "";
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builder = ./builder.sh;
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converter = ./convert.rb;
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buildInputs = [ hugo requiredPackages.katex (ruby.withPackages (ps: [ ps.nokogiri ])) ];
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server = ./katexserver.js;
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buildInputs = [
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hugo
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requiredPackages.katex requiredPackages.express requiredPackages.bodyParser
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(ruby.withPackages (ps: [ ps.nokogiri ]))
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];
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};
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rev = "565d4a695541de1d2c760270adf082e36809c464";
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sha256 = "0sv23falf3dciapclhl25yf22qi6c26in9zqcl3dvad2v2j7bzbc";
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12
blog/katexserver.js
Normal file
12
blog/katexserver.js
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@ -0,0 +1,12 @@
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const katex = require('katex');
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const express = require('express');
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const bodyParser = require('body-parser');
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app = express();
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app.use(bodyParser.json());
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app.post('/render', (req, res) => {
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console.log(req.body)
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res.send(req.body.equations.map(eq =>
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katex.renderToString(eq.str, { throwOnError: false, displayMode: eq.display })));
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});
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app.listen(3000);
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@ -1,3 +1,3 @@
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[
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"katex"
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"katex", "express", "body-parser"
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]
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