Analyze invalid interpolation expression #1448
Merged
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This PR fixes the problem I stated in #1446.
The reason an invalid expression has gone from source map node is because ESLint does not provide any AST when it is invalid. In the previous implementation, we use range data from ESLintExpression, then we couldn't take an invalid expression when setting source map range.
This PR makes it uses VExpressionContainer which always provides range data whether the contained expression is invalid or not.