Add 2.2 blog post

changelog_unreleased/blog-post-intro.md

@@ -0,0 +1,7 @@
+---
+author: "Sosuke Suzuki (@sosukesuzuki)"
+authorURL: "https://github.com/sosukesuzuki"
+title: "Prettier 2.2: new JavaScript parsers, TS 4.1 and ESM standalone bundles"
+---
+
+This release supports new JavaScript parsers [espree](https://github.com/eslint/espree) and [meriyah](https://github.com/meriyah/meriyah), supports [TypeScript 4.1](https://devblogs.microsoft.com/typescript/announcing-typescript-4-1-rc/), ships ESM standalone bundles for modern browsers, and includes many bug fixes and improvements!

changelog_unreleased/cli/pr-8937.md

@@ -0,0 +1,12 @@
+#### Move [pre-commit](https://github.com/pre-commit/pre-commit) support to github.com/pre-commit/mirrors-prettier ([#8937](https://github.com/prettier/prettier/pull/8937) by [@FloChehab](https://github.com/FloChehab))
+
+`pre-commit` support has moved to https://github.com/pre-commit/mirrors-prettier, please update your `.pre-commit-config.yaml` file .
+
+```diff
+- - repo: https://github.com/prettier/prettier
++ - repo: https://github.com/pre-commit/mirrors-prettier
+-   rev: "2.2.0"
++   rev: "v2.2.0"
+    hooks:
+     - id: prettier
+```

changelog_unreleased/flow/pr-9543.md

@@ -7,7 +7,7 @@ const foo1: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
 const foo2: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<"STRING"> = a;
 const foo3: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<0> = a;
 
-// Prettier master
+// Prettier stable
 const foo1: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<
   symbol
 > = a;
@@ -18,7 +18,7 @@ const foo3: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
   0
 > = a;
 
-// Prettier stable (typescript and flow parser)
+// Prettier master (typescript and flow parser)
 const foo1: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<symbol> = a
 const foo2: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<"STRING"> = a;
 const foo3: Fooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo<0> = a;

changelog_unreleased/flow/pr-9563.md

@@ -8,13 +8,13 @@ class Foo {
   bar( data: Array<string>) {}
 }
 
-// Prettier master
+// Prettier stable
 foo/*:: <bar> */(baz);
 class Foo {
   bar(data: Array/*:: <string> */) {}
 }
 
-// Prettier stable
+// Prettier master
 foo/*:: <bar> */(baz);
 class Foo {
   bar(data: Array<string>) {}

changelog_unreleased/typescript/pr-9473.md

@@ -1,38 +1,38 @@
-#### [HIGHLIGHT]Support TypeScript 4.1 (#9473, #9636 by @sosukesuzuki)
+#### [HIGHLIGHT]Support [TypeScript 4.1](https://devblogs.microsoft.com/typescript/announcing-typescript-4-1/) (#9473, #9636 by @sosukesuzuki)
 
-##### Key Remapping In Mapped Types
+##### [Key Remapping In Mapped Types](https://devblogs.microsoft.com/typescript/announcing-typescript-4-1/#key-remapping-in-mapped-types)
 
 ```ts
 // Input
 type MappedTypeWithNewKeys<T> = {
   [K in keyof T as NewKeyType]: T[K]
 };
 
-// Prettier master
+// Prettier stable
 SyntaxError: Unexpected token, expected "]" (2:17)
   1 | type MappedTypeWithNewKeys<T> = {
 > 2 |   [K in keyof T as NewKeyType]: T[K]
     |                 ^
   3 | };
 
-// Prettier stable
+// Prettier master
 type MappedTypeWithNewKeys<T> = {
   [K in keyof T as NewKeyType]: T[K]
 };
 ```
 
-##### Template Literal Types
+##### [Template Literal Types](https://devblogs.microsoft.com/typescript/announcing-typescript-4-1/#template-literal-types)
 
 ```ts
 // Input
 type HelloWorld = `Hello, ${keyof World}`
 
-// Prettier master
+// Prettier stable
 SyntaxError: Unexpected token, expected "}" (1:35)
 > 1 | type HelloWorld = `Hello, ${keyof World}`
     |                                   ^
 
-// Prettier stable
+// Prettier master
 type HelloWorld = `Hello, ${keyof World}`;
 
 ```

changelog_unreleased/typescript/pr-9484.md

@@ -5,9 +5,9 @@
 // Input
 foo = { bar: (a = b) };
 
-// Prettier master
+// Prettier stable
 foo = { bar: a = b };
 
-// Prettier stable
+// Prettier master
 foo = { bar: (a = b) };
 ```

changelog_unreleased/typescript/pr-9521.md

@@ -7,18 +7,18 @@ const name: SomeGeneric<
   Pick<Config, "ONE_LONG_PROP" | "ANOTHER_LONG_PROP">
 > = null;
 
-// Prettier master (--parser=typescript)
+// Prettier stable (--parser=typescript)
 const name: SomeGeneric<Pick<
   Config,
   "ONE_LONG_PROP" | "ANOTHER_LONG_PROP"
 >> = null;
 
-// Prettier master (--parser=flow)
+// Prettier stable (--parser=flow)
 const name: SomeGeneric<
   Pick<Config, "ONE_LONG_PROP" | "ANOTHER_LONG_PROP">
 > = null;
 
-// Prettier stable (typescript and flow parser)
+// Prettier master (typescript and flow parser)
 const name: SomeGeneric<
   Pick<Config, "ONE_LONG_PROP" | "ANOTHER_LONG_PROP">
 > = null;

changelog_unreleased/typescript/pr-9551.md

@@ -8,13 +8,13 @@ type a= {
     [A in B]: C  |  D
   }
 
-// Prettier master
+// Prettier stable
 type a = {
   // prettier-ignore
   A in B: C | D;
 };
 
-// Prettier stable
+// Prettier master
 type a = {
     // prettier-ignore
     [A in B]: C  |  D