add rule to copy mathjax from node_modules

qt/aqt/clayout.py

@@ -304,7 +304,7 @@ class CardLayout(QDialog):
         jsinc = [
             "js/vendor/jquery.js",
             "js/vendor/browsersel.js",
-            "js/vendor/mathjax/conf.js",
+            "js/mathjax.js",
             "js/vendor/mathjax/tex-chtml.js",
             "js/reviewer.js",
         ]

qt/aqt/data/web/js/BUILD.bazel

@@ -26,16 +26,12 @@ filegroup(
     output_group = "es5_sources",
 )
 
-filegroup(
-    name = "vendor",
-    srcs = glob(["vendor/**"]),
-)
-
 filegroup(
     name = "js",
     srcs = [
         "aqt_es5",
-        "vendor",
+        "mathjax.js",
+        "//qt/aqt/data/web/js/vendor",
     ],
     visibility = ["//qt:__subpackages__"],
 )

qt/aqt/data/web/js/vendor/BUILD.bazel

@@ -0,0 +1,5 @@
+filegroup(
+    name = "vendor",
+    srcs = glob(["**"]) + ["//qt/aqt/data/web/js/vendor/mathjax"],
+    visibility = ["//qt:__subpackages__"],
+)

qt/aqt/data/web/js/vendor/mathjax/.gitignore

@@ -1,2 +0,0 @@
-*
-!conf.js

qt/aqt/data/web/js/vendor/mathjax/BUILD.bazel

@@ -0,0 +1,6 @@
+load("//ts:mathjax.bzl", "copy_mathjax")
+
+copy_mathjax(
+    name = "mathjax",
+    visibility = ["//visibility:public"],
+)

qt/aqt/previewer.py

@@ -114,7 +114,7 @@ class Previewer(QDialog):
         jsinc = [
             "js/vendor/jquery.js",
             "js/vendor/browsersel.js",
-            "js/vendor/mathjax/conf.js",
+            "js/mathjax.js",
             "js/vendor/mathjax/tex-chtml.js",
             "js/reviewer.js",
         ]

qt/aqt/reviewer.py

@@ -155,7 +155,7 @@ class Reviewer:
             js=[
                 "js/vendor/jquery.js",
                 "js/vendor/browsersel.js",
-                "js/vendor/mathjax/conf.js",
+                "js/mathjax.js",
                 "js/vendor/mathjax/tex-chtml.js",
                 "js/reviewer.js",
             ],

ts/BUILD.bazel

@@ -13,19 +13,3 @@ exports_files([
     ".eslintrc.js",
     "licenses.json",
 ])
-
-filegroup(
-    name = "mathjax",
-    srcs = glob(
-        include = glob([
-            'node_modules/mathjax/es5/tex-chtml.js',
-            'node_modules/mathjax/es5/input/tex/extensions/**/*',
-            'node_modules/mathjax/es5/output/chtml/fonts/woff-v2/**/*',
-            'node_modules/mathjax/es5/a11y/**/*',
-            'node_modules/mathjax/es5/sre/**/*',
-        ]),
-        exclude = [
-            'node_modules/mathjax/es5/sre/mathmaps/mathmaps_ie.js',
-        ],
-    ),
-)

ts/mathjax.bzl

@@ -0,0 +1,70 @@
+"Rule to copy mathjax subset from node_modules to vendor folder."
+
+_exclude = [
+    "mathmaps_ie.js",
+]
+
+_include = [
+    "es5/tex-chtml.js",
+    "es5/input/tex/extensions",
+    "es5/output/chtml/fonts/woff-v2",
+    "es5/a11y",
+    "es5/sre",
+]
+
+_unwanted_prefix = "external/npm/node_modules/mathjax/es5/"
+
+def _copy_files(ctx, files):
+    cmds = []
+    inputs = []
+    outputs = []
+    for (src, dst) in files:
+        inputs.append(src)
+        dst = ctx.actions.declare_file(dst)
+        outputs.append(dst)
+        cmds.append("cp -f {} {}".format(src.path, dst.path))
+
+    shell_fname = ctx.label.name + "-cp.sh"
+    shell_file = ctx.actions.declare_file(shell_fname)
+    ctx.actions.write(
+        output = shell_file,
+        content = "#!/bin/bash\nset -e\n" + "\n".join(cmds),
+        is_executable = True,
+    )
+    ctx.actions.run(
+        inputs = inputs,
+        executable = "bash",
+        tools = [shell_file],
+        arguments = [shell_file.path],
+        outputs = outputs,
+        mnemonic = "CopyFile",
+        use_default_shell_env = True,
+    )
+
+    return [DefaultInfo(files = depset(outputs))]
+
+def _copy_mathjax_impl(ctx):
+    wanted = []
+    for f in ctx.attr.mathjax.files.to_list():
+        path = f.path
+        want = True
+        for substr in _exclude:
+            if substr in path:
+                want = False
+                continue
+        if not want:
+            continue
+
+        for substr in _include:
+            if substr in path:
+                output = path.replace(_unwanted_prefix, "")
+                wanted.append((f, output))
+
+    return _copy_files(ctx, wanted)
+
+copy_mathjax = rule(
+    implementation = _copy_mathjax_impl,
+    attrs = {
+        "mathjax": attr.label(default = "@npm//mathjax:mathjax__files"),
+    },
+)