Update prettier

[renovate]

This PR contains the following updates:

Package	Type	Update	New value	References	Sourcegraph
@sourcegraph/prettierrc	devDependencies	patch	^3.0.2	source
prettier (source)	dependencies	minor	^1.19.1	homepage, source

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Release Notes

sourcegraph/prettierrc

v3.0.2

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v3.0.1

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prettier/prettier

v1.19.1

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CLI

Fix --stdin regression in 1.19.0 (#​6894 by @​lydell)

// Prettier stable
$ echo "test" | prettier --stdin --parser babel
[error] regeneratorRuntime is not defined

// Prettier master
$ echo "test" | prettier --stdin --parser babel
test;

TypeScript

Fix formatting of union type as arrow function return type (#​6896 by @​thorn0)

// Input
export const getVehicleDescriptor = async (
  vehicleId: string,
): Promise<Collections.Parts.PrintedCircuitBoardAssembly['attributes'] | undefined> => {}

// Prettier stable
export const getVehicleDescriptor = async (
  vehicleId: string
): Promise<| Collections.Parts.PrintedCircuitBoardAssembly["attributes"]
| undefined> => {};

// Prettier master
export const getVehicleDescriptor = async (
  vehicleId: string
): Promise<
  Collections.Parts.PrintedCircuitBoardAssembly["attributes"] | undefined
> => {};

v1.19.0

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🔗 Release Notes

v1.18.2

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• TypeScript: only add trailing commas in tuples for --trailing-comma=all ([#​6199] by @​duailibe)

  In Prettier 1.18 we added trailing commas in tuples when --trailing-comma=all, but it was also adding for --trailing-comma=es5.

  [#​6199]: #​6199

  @​duailibe: https://github.com/duailibe

v1.18.1

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• TypeScript: Add trailing comma in tsx, only for arrow function (#​6190 by @​sosukesuzuki)

  Prettier inserts a trailing comma to single type parameter for arrow functions in tsx, since v 1.18. But, this feature inserts a trailing comma to type parameter for besides arrow functions too (e.g, function , interface). This change fix it.

  // Input
  interface Interface1<T> {
    one: "one";
  }
  function function1<T>() {
    return "one";
  }
  
  // Output (Prettier 1.18.0)
  interface Interface1<T,> {
    one: "one";
  }
  function function1<T,>() {
    return "one";
  }
  
  // Output (Prettier 1.18.1)
  interface Interface1<T> {
    one: "one";
  }
  function function1<T>() {
    return "one";
  }

• Config: Match dotfiles in config overrides (#​6194 by @​duailibe)

  When using overrides in the config file, Prettier was not matching dotfiles (files that start with .). This was fixed in 1.18.1

v1.18.0

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🔗 Release Notes

v1.17.1

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• Range: Fix ranged formatting not using the correct line width (#​6050 by @​mathieulj)

  // Input
  function f() {
    if (true) {
      call("this line is 79 chars", "long", "it should", "stay as single line");
    }
  }
  
  // Output (Prettier 1.17.0 run with --range-start 30 --range-end 110)
  function f() {
    if (true) {
      call(
        "this line is 79 chars",
        "long",
        "it should",
        "stay as single line"
      );
    }
  }
  
  // Output (Prettier 1.17.0 run without range)
  function f() {
    if (true) {
      call("this line is 79 chars", "long", "it should", "stay as single line");
    }
  }
  
  // Output (Prettier 1.17.1 with and without range)
  function f() {
    if (true) {
      call("this line is 79 chars", "long", "it should", "stay as single line");
    }
  }

• JavaScript: Fix closure compiler typecasts ([#​5947] by @​jridgewell)

  If a closing parenthesis follows after a typecast in an inner expression, the typecast would wrap everything to the that following parenthesis.

  // Input
  test(/** @​type {!Array} */(arrOrString).length);
  test(/** @​type {!Array} */((arrOrString)).length + 1);
  
  // Output (Prettier 1.17.0)
  test(/** @​type {!Array} */ (arrOrString.length));
  test(/** @​type {!Array} */ (arrOrString.length + 1));
  
  // Output (Prettier 1.17.1)
  test(/** @​type {!Array} */ (arrOrString).length);
  test(/** @​type {!Array} */ (arrOrString).length + 1);

• JavaScript: respect parenthesis around optional chaining before await (#​6087 by @​evilebottnawi)

  // Input
  async function myFunction() {
    var x = (await foo.bar.blah)?.hi;
  }
  
  // Output (Prettier 1.17.0)
  async function myFunction() {
    var x = await foo.bar.blah?.hi;
  }
  
  // Output (Prettier 1.17.1)
  async function myFunction() {
    var x = (await foo.bar.blah)?.hi;
  }

• Handlebars: Fix {{else}}{{#if}} into {{else if}} merging (#​6080 by @​dcyriller)

  // Input
  {{#if a}}
    a
  {{else}}
    {{#if c}}
      c
    {{/if}}
    e
  {{/if}}
  
  // Output (Prettier 1.17.0)
  {{#if a}}
    a
  {{else if c}}
    c
  e
  {{/if}}
  
  // Output (Prettier 1.17.1)
  Code Sample
  {{#if a}}
    a
  {{else}}
    {{#if c}}
      c
    {{/if}}
    e
  {{/if}}
  

• JavaScript: Improved multiline closure compiler typecast comment detection (#​6070 by @​yangsu)

  Previously, multiline closure compiler typecast comments with lines that
  start with * weren't flagged correctly and the subsequent parenthesis were
  stripped. Prettier 1.17.1 fixes this issue.

  // Input
  const style =/**
   * @​type {{
   *   width: number,
   * }}
  */({
    width,
  });
  
  // Output (Prettier 1.17.0)
  const style =/**
   * @​type {{
   *   width: number,
   * }}
  */ {
    width,
  };
  
  // Output (Prettier 1.17.1)
  const style =/**
   * @​type {{
   *   width: number,
   * }}
  */({
    width,
  });

v1.17.0

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🔗 Release Notes

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