Copy flot file to vendor directory

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

@@ -1,13 +1,20 @@
 load("//ts:jquery.bzl", "copy_jquery")
+load("//ts:flot.bzl", "copy_flot")
 
 copy_jquery(
     name = "jquery",
     visibility = ["//visibility:public"],
 )
 
+copy_flot(
+    name = "flot",
+    visibility = ["//visibility:public"],
+)
+
 
 files = [
     "jquery",
+    "flot",
 ]
 
 directories = [

ts/flot.bzl

@@ -0,0 +1,29 @@
+load("//ts:copy.bzl", "copy_files")
+
+"Rule to copy flot subset from node_modules to vendor folder."
+
+_include = [
+    "dist/es5/jquery.flot.js",
+]
+
+_unwanted_prefix = "external/npm/node_modules/flot/dist/es5/"
+
+def _copy_flot_impl(ctx):
+    wanted = []
+    for f in ctx.attr.flot.files.to_list():
+        path = f.path
+        want = True
+
+        for substr in _include:
+            if substr in path:
+                output = path.replace(_unwanted_prefix, "")
+                wanted.append((f, output))
+
+    return copy_files(ctx, wanted)
+
+copy_flot = rule(
+    implementation = _copy_flot_impl,
+    attrs = {
+        "flot": attr.label(default = "@npm//flot:flot__files"),
+    },
+)