js-vars-extractor
A lightweight Python library designed to extract JavaScript variables, objects, and configurations from <script> tags within HTML documents
Installation
Using uv:
uv add js_vars_extractor
Quick Start
from selectolax.lexbor import LexborHTMLParser
from js_vars_extractor import find_js_var
html = """
<html>
<head>
<script>
window.APP_CONFIG = {
env: "production",
apiUrl: "[https://api.example.com](https://api.example.com)",
features: ["auth", "payments"]
};
</script>
</head>
</html>
"""
parser = LexborHTMLParser(html)
config = find_js_var("window.APP_CONFIG", parser)
print(config)
# Output:
{
'env': 'production',
'apiUrl': '[https://api.example.com](https://api.example.com)',
'features': ['auth', 'payments']
}
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