Timothy Flynn 1259dc3623 LibJS: Allow Unicode escape sequences in identifiers ...

For example, "property.br\u{64}wn" should resolve to "property.brown".

To support this behavior, this commit changes the Token class to hold
both the evaluated identifier name and a view into the original source
for the unevaluated name. There are some contexts in which identifiers
are not allowed to contain Unicode escape sequences; for example, export
statements of the form "export {} from foo.js" forbid escapes in the
identifier "from".

The test file is added to .prettierignore because prettier will replace
all escaped Unicode sequences with their unescaped value.

2021-08-19 23:49:25 +02:00

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