2.2.0

• (fix) Fix getLiteralPropValue for TS-specific node types.
• (chore) upgrade dependencies.
• (improvement) Stop throwing errors when unknown AST nodes are encountered.
• (dev) CI changes.

Typescript & Spread operators

• Fix undefined bug for template strings. #45
• Adding support for objectRestSpread within props #60
• Accommodate ExperimentalSpreadProperty in prop values #75
• Account for SpreadElement AST Nodes #76
• Support OptionalMemberExpression AST nodes #77
• Add support to Typescript's node types #72

propName always returns a value.

#50

Add support for UpdateExpression

Fixes #3