Include gosling-widget in project

.gitignore

@@ -16,3 +16,4 @@ node_modules/
 _build/
 generated/
 gallery/
+gosling/static/

deno.json

@@ -0,0 +1,20 @@
+{
+	"lock": false,
+	"nodeModulesDir": "auto",
+	"tasks": {
+		"dev": "deno run -A --node-modules-dir npm:esbuild --bundle --minify --loader:.css=text --format=esm --outfile=gosling/static/widget.js frontend/widget.ts --sourcemap=inline --watch",
+		"build": "deno run -A --node-modules-dir npm:esbuild --bundle --minify --loader:.css=text --format=esm --outfile=gosling/static/widget.js frontend/widget.ts"
+	},
+	"imports": {
+		"@anywidget/types": "npm:@anywidget/types@^0.2.0",
+		"gosling.js": "npm:gosling.js@^0.17.0"
+	},
+	"fmt": {
+		"useTabs": true
+	},
+	"lint": {
+		"rules": {
+			"exclude": ["prefer-const"]
+		}
+	}
+}

frontend/widget.ts

@@ -0,0 +1,23 @@
+import * as gosling from "gosling.js";
+
+interface Model {
+  _viewconf: string;
+}
+
+export default {
+  async render({ model, el }: import("@anywidget/types").RenderProps<Model>) {
+    const viewconf = JSON.parse(model.get("_viewconf"));
+    const api = await gosling.embed(el, viewconf, { padding: 0 });
+    model.on("msg:custom", (msg) => {
+      msg = JSON.parse(msg);
+      console.log(msg);
+      try {
+        const [fn, ...args] = msg;
+        // @ts-expect-error - This is a dynamic call
+        api[fn](...args);
+      } catch (e) {
+        console.error(e);
+      }
+    });
+  },
+};

gosling/_widget.py

@@ -0,0 +1,20 @@
+import json
+import pathlib
+from typing import Any, Dict
+
+import anywidget
+import traitlets as t
+
+
+class GoslingWidget(anywidget.AnyWidget):
+    _esm = pathlib.Path(__file__).parent / "static" / "widget.js"
+    _viewconf = t.Unicode("null").tag(sync=True)
+
+    location = t.List(t.Union([t.Float(), t.Tuple()]), read_only=True).tag(sync=True)
+
+    def __init__(self, viewconf: Dict[str, Any], **kwargs):
+        super().__init__(_viewconf=json.dumps(viewconf), **kwargs)
+
+    def zoom_to(self, view_id: str, pos: str, padding: float = 0, duration: int = 1000):
+        msg = json.dumps(["zoomTo", view_id, pos, padding, duration])
+        self.send(msg)

gosling/api.py

@@ -218,7 +218,7 @@ def save(
 
     def widget(self):
         try:
-            from gosling_widget import GoslingWidget
+            from ._widget import GoslingWidget
         except ImportError:
             raise ImportError(
                 "The 'gosling-widget' package is required to use the widget() method."

pyproject.toml

@@ -11,15 +11,15 @@ license = { text = "MIT" }
 readme = "README.md"
 dynamic = ["version"]
 urls = { homepage = "https://github.com/gosling-lang/gos" }
-dependencies = ["jsonschema>=3.0", "jinja2", "pandas"]
+dependencies = ["jsonschema>=3.0", "jinja2", "pandas", "anywidget>=0.9.13"]
 
 [project.optional-dependencies]
-all = ["servir>=0.2.1", "gosling-widget>=0.0.2", "clodius>=0.20.1"]
+all = ["servir>=0.2.1", "clodius>=0.20.1"]
 
 [tool.uv]
 dev-dependencies = [
   "clodius>=0.20.1",
-  "gosling-widget>=0.0.2",
+  "jupyterlab>=4.3.1",
   "pytest>=6.0",
   "requests>=2.0",
   "servir>=0.2.1",
@@ -28,17 +28,22 @@ dev-dependencies = [
 ]
 
 [tool.hatch.build]
+only-packages = true
 include = ["/gosling", "/tests"]
+artifacts = ["gosling/static/widget.js", "scripts/hatch_build.py"]
 
 [tool.hatch.version]
 source = "vcs"
 
 [tool.hatch.build.hooks.vcs]
 version-file = "gosling/_version.py"
 
+[tool.hatch.build.hooks.custom]
+path = "scripts/hatch_build.py"
+
 [tool.pytest.ini_options]
 addopts = [
   "--ignore=gosling/examples",
   "--ignore=tools/altair",
-  "--doctest-modules"
+  "--doctest-modules",
 ]

scripts/hatch_build.py

@@ -0,0 +1,25 @@
+"""A Hatchling plugin to build the gosling-widget frontend."""
+
+import os
+import pathlib
+import subprocess
+
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+
+ROOT = pathlib.Path(__file__).parent / ".."
+
+
+class QuakBuildHook(BuildHookInterface):
+    """Hatchling plugin to build the quak frontend."""
+
+    PLUGIN_NAME = "gosling-widget"
+
+    def initialize(self, version: str, build_data: dict) -> None:
+        """Initialize the plugin."""
+        if os.getenv("SKIP_DENO_BUILD", "0") == "1":
+            # Skip the build if the environment variable is set
+            # Useful in CI/CD pipelines
+            return
+
+        if not (ROOT / "gosling/static/widget.js").exists():
+            subprocess.check_call(["deno", "task", "build"], cwd=ROOT)