Troubleshooting PSD Pattern Parsing: Single Pattern Issue and ZIP Data Decompression Error

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I have trouble for resolve psd file in ‘patterns’

I followed the documentation above to parse the file and encountered two issues: 1. Only one pattern was parsed; 2. When parsing the Actual data based on parameters and compression in the Virtual Memory Array List, decompression with the pako library failed. How can I parse all the patterns and retrieve the data I need?