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test-repo/tests/directives/escaped.js
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Joseph Frazier 32d9d68154 Print directive literals verbatim (#1560)
* Print directive literals verbatim

This addresses https://github.com/prettier/prettier/issues/1555,
but doesn't seem to pass the AST_COMPARE=1 tests:

    AST_COMPARE=1 npm test -- tests/quotes -t strings

However, running `prettier --debug-check` on the relevant file *does*
work:

    prettier tests/quotes/strings.js --debug-check

* Change directive literal quotes if it doesn't contain quotes

This addresses https://github.com/prettier/prettier/pull/1560#discussion_r115396257

From https://github.com/prettier/prettier/issues/1555#issue-227206837:

> It's okay to change the type of quotation marks used, but only if
doing so does not require changing any characters within the directive.

* Don't change directive literal quotes if it contains a backslash

This passes the `--debug-check` tests again:

    prettier tests/quotes/strings.js --debug-check

* Try to add regression test for escaped directive literals

This seems not to work, despite the following command having the correct
output:

    echo "'\''" | prettier

You can use the following to get an idea of how flow/typescript parse
this:

    node -p "JSON.stringify(require('./src/parser').parse('\\'\\\\\'\\'', {parser: 'flow'}), null, 2)"
    node -p "JSON.stringify(require('./src/parser').parse('\\'\\\\\'\\'', {parser: 'typescript'}), null, 2)"

* WIP Disable Flow/Typescript for ./tests/directives

We don't yet handle escaped directives for them, but Babylon works.

(similar to https://github.com/prettier/prettier/pull/602/commits/90bf93713c78a6a6b3f55e52d7be172ece9b56df#diff-0de18284f37da79ab8af4e4690919abaR1)

* Revert "WIP Disable Flow/Typescript for ./tests/directives"

This reverts commit 2aba6231271f6985a395c31e3df9323e8f3da115.

* Prevent test strings from being parsed as directives

See https://github.com/prettier/prettier/pull/1560#issue-227225960

* Add more escaped directive tests

* Infer DirectiveLiterals from Flow parser

* Don't test TypeScript on directives

See https://github.com/prettier/prettier/pull/1560#issuecomment-300296221

* fixup! Infer DirectiveLiterals from Flow parser
2017-05-09 17:17:29 -04:00

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