Update dependency prettier to v1.16.4

Created by: renovate[bot]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
prettier	devDependencies	minor	1.16.4	homepage, source

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Release Notes

prettier/prettier

v1.16.4

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• API: Fix prettier.getSupportInfo() reporting babel parser for older versions of Prettier. (#​5826 by @​azz)

  In version 1.16.0 of Prettier, the babylon parser was renamed to babel. Unfortunately this lead to a minor breaking change: prettier.getSupportInfo('1.15.0') would report that it supported babel, not babylon, which breaks text-editor integrations. This has now been fixed.

v1.16.3

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• TypeScript: Revert "Update typescript-estree to new package name" (#​5818 by @​ikatyang)

  There's an internal change introduced in Prettier 1.16.2, which updated typescript-estree to its new package name, but unfortunately it broke the output so we reverted it as a temporary workaround for now.

  // Input
  export default {
    load<K, T>(k: K, t: T) {
      return {k, t};
    }
  }
  
  // Output (Prettier 1.16.2)
  export default {
    load(k: K, t: T) {
      return { k, t };
    }
  };
  
  // Output (Prettier 1.16.3)
  export default {
    load<K, T>(k: K, t: T) {
      return { k, t };
    }
  };

v1.16.2

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• CLI: Fix CI detection to avoid unwanted TTY behavior (#​5804 by @​kachkaev)

  In Prettier 1.16.0 and 1.16.1, --list-different and --check logged every file in some CI environments, instead of just unformatted files. This unwanted behavior is now fixed.

• HTML: Do not format non-normal whitespace as normal whitespace (#​5797 by @​ikatyang)

  Previously, only non-breaking whitespaces (U+00A0) are marked as non-normal whitespace, which means other non-normal whitespaces such as non-breaking narrow whitespaces (U+202F) could be formatted as normal whitespaces, which breaks the output. We now follow the spec to exclude all non-ASCII whitespace from whitespace normalization.

  (· represents a non-breaking narrow whitespace)

  <!-- Input -->
  Prix·:·32·€
  
  <!-- Output (Prettier 1.16.1) -->
  Prix : 32 €
  
  <!-- Output (Prettier 1.16.2) -->
  Prix·:·32·€

• JavaScript: Fix record type cast comment detection (#​5793 by @​yangsu)

  Previously, type cast comments with record types were ignored and prettier stripped the subsequent parens. Prettier 1.16.2 handles these cases correctly.

  // Input
  const v = /** @​type {{key: number}} */ (value);
  
  // Output (Prettier 1.16.1)
  const v = /** @​type {{key: number}} */ value;
  
  // Output (Prettier 1.16.2)
  const v = /** @​type {{key: number}} */ (value);

v1.16.1

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• JavaScript: Do not format functions with arguments as react hooks (#​5778 by @​SimenB)

  The formatting added in Prettier 1.16 would format any function receiving an arrow function and an array literal to match React Hook's documentation. Prettier will now format this the same as before that change if the arrow function receives any arguments.

  // Input
  ["red", "white", "blue", "black", "hotpink", "rebeccapurple"].reduce(
    (allColors, color) => {
      return allColors.concat(color);
    },
    []
  );
  
  // Output (Prettier 1.16.0)
  ["red", "white", "blue", "black", "hotpink", "rebeccapurple"].reduce((
    allColors,
    color
  ) => {
    return allColors.concat(color);
  }, []);
  
  // Output (Prettier 1.16.1)
  ["red", "white", "blue", "black", "hotpink", "rebeccapurple"].reduce(
    (allColors, color) => {
      return allColors.concat(color);
    },
    []
  );

• JavaScript: Add necessary parentheses for decorators (#​5785 by @​ikatyang)

  Parentheses for decorators with nested call expressions are optional for legacy decorators but they're required for decorators in the current proposal.

  // Input
  class X {
    @​(computed().volatile())
    prop
  }
  
  // Output (Prettier 1.16.0)
  class X {
    @​computed().volatile()
    prop
  }
  
  // Output (Prettier 1.16.1)
  class X {
    @​(computed().volatile())
    prop
  }

• TypeScript: Stable parentheses for function type in the return type of arrow function (#​5790 by @​ikatyang)

  There's a regression introduced in 1.16 that parentheses for function type in the return type of arrow function were kept adding/removing. Their parentheses are always printed now.

  // Input
  const foo = (): (() => void) => (): void => null;
  const bar = (): () => void => (): void => null;
  
  // First Output (Prettier 1.16.0)
  const foo = (): () => void => (): void => null;
  const bar = (): (() => void) => (): void => null;
  
  // Second Output (Prettier 1.16.0)
  const foo = (): (() => void) => (): void => null;
  const bar = (): () => void => (): void => null;
  
  // Output (Prettier 1.16.1)
  const foo = (): (() => void) => (): void => null;
  const bar = (): (() => void) => (): void => null;

• MDX: Correctly recognize inline JSX (#​5783 by @​ikatyang)

  Previously, some inline JSXs are wrongly recognized as block HTML/JSX, which causes unexpected behaviors. This issue is now fixed.

  <!-- Input -->
  _foo <InlineJSX /> bar_
  
  <!-- Output (Prettier 1.16.0) -->
  _foo
  
  <InlineJSX /> bar_
  
  <!-- Output (Prettier 1.16.1) -->
  _foo <InlineJSX /> bar_

v1.16.0

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