"""Build the HTML/JS/CSS for the chart visualizer.
Reads static/visualizer.js and injects chart data via window.CHART_DATA.
Returns an iframe with srcdoc for Chrome/Arc compatibility.
"""
import html
import json
from pathlib import Path
_JS_PATH = Path(__file__).parent / "static" / "visualizer.js"
def build_visualizer_html(chart_json: dict) -> str:
data_json = json.dumps(chart_json, separators=(",", ":"))
js_code = _JS_PATH.read_text(encoding="utf-8")
full_html = _TEMPLATE.replace("__JS_CODE__", js_code).replace("__CHART_DATA__", data_json)
escaped = html.escape(full_html, quote=True)
return (
f''
)
_TEMPLATE = """
"""