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Goldmark + KaTeX

License: MIT License

Makefile 0.26% Go 1.22% JavaScript 14.11% C 84.03% C++ 0.33% Shell 0.05%

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goldmark-qjs-katex's Issues

go get error

Using go get in CentOS 7

what should i do?

# github.com/graemephi/goldmark-qjs-katex/katex
katex.c:25:1: error: unknown type name ‘_Thread_local’
 _Thread_local State *tls_state = 0;
 ^
katex.c:25:21: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
 _Thread_local State *tls_state = 0;
                     ^
katex.c: In function ‘init_qjs’:
katex.c:29:9: error: ‘tls_state’ undeclared (first use in this function)
     if (tls_state) {
         ^
katex.c:29:9: note: each undeclared identifier is reported only once for each function it appears in
[root@VM_118_213_centos blotter]# go get ./...
# github.com/graemephi/goldmark-qjs-katex/katex
katex.c:25:1: error: unknown type name ‘_Thread_local’
 _Thread_local State *tls_state = 0;
 ^
katex.c:25:21: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token
 _Thread_local State *tls_state = 0;
                     ^
katex.c: In function ‘init_qjs’:
katex.c:29:9: error: ‘tls_state’ undeclared (first use in this function)
     if (tls_state) {
         ^
katex.c:29:9: note: each undeclared identifier is reported only once for each function it appears in

Request: add parser context if any katex nodes exists

First off, loving the library. It's really nice not to have a dependency on Node.

When I run goldmark, I eventually compile the HTML into a go template. I'd like to avoid adding Katex CSS if no katex nodes exist in the document. What do you think about a public method that reports the number of KaTeX nodes?

func reportKatexNodes(pc parser.Context) int {}

Alternatively:

You could further generalize reportKatexNodex to return a list of all katex nodes instead.
Make the node struct and kind public so clients can traverse and find katex nodes themselves.

Running `go build` fails

Hello, very interested in getting server side math rendered through Goldmark.

I'm getting the following output after running go build:

# github.com/graemephi/goldmark-qjs-katex/katex
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_fcvt1':
katex/quickjs/quickjs.c:10562: undefined reference to `fesetround'
/usr/bin/ld: katex/quickjs/quickjs.c:10565: undefined reference to `fesetround'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_ecvt1':
katex/quickjs/quickjs.c:10478: undefined reference to `fesetround'
/usr/bin/ld: katex/quickjs/quickjs.c:10481: undefined reference to `fesetround'
/usr/bin/ld: $WORK/b002/_x004.o: in function `JS_ComputeMemoryUsage':
katex/quickjs/quickjs.c:5755: undefined reference to `round'
/usr/bin/ld: katex/quickjs/quickjs.c:5756: undefined reference to `round'
/usr/bin/ld: katex/quickjs/quickjs.c:5758: undefined reference to `round'
/usr/bin/ld: katex/quickjs/quickjs.c:5762: undefined reference to `round'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_atod':
katex/quickjs/quickjs.c:9556: undefined reference to `pow'
/usr/bin/ld: $WORK/b002/_x004.o: in function `JS_ToUint8ClampFree':
katex/quickjs/quickjs.c:10209: undefined reference to `lrint'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_pow':
katex/quickjs/quickjs.c:11134: undefined reference to `pow'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_binary_arith_slow':
katex/quickjs/quickjs.c:12960: undefined reference to `fmod'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_math_hypot':
katex/quickjs/quickjs.c:39700: undefined reference to `hypot'
/usr/bin/ld: katex/quickjs/quickjs.c:39708: undefined reference to `sqrt'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_fmax':
katex/quickjs/quickjs.c:39246: undefined reference to `fmax'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_fmin':
katex/quickjs/quickjs.c:39232: undefined reference to `fmin'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_module_loader_so':
katex/quickjs/quickjs-libc.c:405: undefined reference to `dlopen'
/usr/bin/ld: katex/quickjs/quickjs-libc.c:414: undefined reference to `dlsym'
/usr/bin/ld: katex/quickjs/quickjs-libc.c:405: undefined reference to `dlopen'
/usr/bin/ld: katex/quickjs/quickjs-libc.c:427: undefined reference to `dlclose'
/usr/bin/ld: $WORK/b002/_x004.o: in function `time_clip':
katex/quickjs/quickjs.c:45865: undefined reference to `trunc'
/usr/bin/ld: $WORK/b002/_x004.o: in function `js_pow':
katex/quickjs/quickjs.c:11134: undefined reference to `pow'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x58): undefined reference to `fabs'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x78): undefined reference to `floor'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x98): undefined reference to `ceil'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0xd8): undefined reference to `sqrt'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0xf8): undefined reference to `acos'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x118): undefined reference to `asin'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x138): undefined reference to `atan'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x158): undefined reference to `atan2'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x178): undefined reference to `cos'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x198): undefined reference to `exp'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x1b8): undefined reference to `log'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x1f8): undefined reference to `sin'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x218): undefined reference to `tan'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x238): undefined reference to `trunc'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x278): undefined reference to `cosh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x298): undefined reference to `sinh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x2b8): undefined reference to `tanh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x2d8): undefined reference to `acosh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x2f8): undefined reference to `asinh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x318): undefined reference to `atanh'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x338): undefined reference to `expm1'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x358): undefined reference to `log1p'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x378): undefined reference to `log2'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x398): undefined reference to `log10'
/usr/bin/ld: $WORK/b002/_x004.o:(.data.rel.ro+0x3b8): undefined reference to `cbrt'
collect2: error: ld returned 1 exit status

Here are my dependencies:

$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 8.3.0-6' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 8.3.0 (Debian 8.3.0-6) 
$ ld -v
GNU ld (GNU Binutils for Debian) 2.31.1

Use godzilla or otto instead of quickjs to not require cgo

The gohugio project has a requirement that it does not depend on cgo so therefore this can't be used by them.

Perhaps use godzilla or otto? It seems otto supports js sans CGO. And I think godzilla does as well.
#2 (comment)

I also might be confused because the pandoc element might be the cause of the use of cgo, isn't it.

Suggestion: Git Submodule KaTeX and QuickJS?

Hello again, would it be better to move the raw quickjs and katex files into separate repositories, referring to them through git submodules?
The QuickJS code used in this repo is already outdated (quickjs-2020-01-19.tar.xz).
Having these separated would make updating external dependencies simpler and keep this repository more modular.

Aside, I am very grateful for your work in implementing this feature. Using it locally right now with no issues.
I submitted a PR incorporating your extension in hugo. Admittedly, I am not very familiar with golang or C so if there are additional concerns, I am eager to listen.
gohugoio/hugo#6544
gohugoio/hugo#6842

\begin ... \end

I tried out kahugo, precisely what I was looking for!

However, I can't get \begin ... \end to work.

$$
\begin{pmatrix}
   a & b \\
   c & d
\end{pmatrix}
$$

renders

$$
\begin{pmatrix}
a &amp; b \<br>
c &amp; d
\end{pmatrix}
$$

whereas

$x$
and
$$x-y$$

render as expected respectively

<span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi></mrow><annotation encoding="application/x-tex">x</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.43056em;vertical-align:0em;"></span><span class="mord mathdefault">x</span></span></span></span>

and

<span class="katex-display"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>x</mi><mo>−</mo><mi>y</mi></mrow><annotation encoding="application/x-tex">x-y</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.66666em;vertical-align:-0.08333em;"></span><span class="mord mathdefault">x</span><span class="mspace" style="margin-right:0.2222222222222222em;"></span><span class="mbin">−</span><span class="mspace" style="margin-right:0.2222222222222222em;"></span></span><span class="base"><span class="strut" style="height:0.625em;vertical-align:-0.19444em;"></span><span class="mord mathdefault" style="margin-right:0.03588em;">y</span></span></span></span></span>

Am I missing something ?

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