Support async parser (#12748)

tests/format/misc/plugins/async-parser/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,14 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`async-parser.txt format 1`] = `
+====================================options=====================================
+parsers: ["async-parser"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+A text will format as "Formatted by async-parser plugin".
+
+=====================================output=====================================
+Formatted by async-parser plugin
+================================================================================
+`;

tests/format/misc/plugins/async-parser/async-parser.txt

@@ -0,0 +1 @@
+A text will format as "Formatted by async-parser plugin".

tests/format/misc/plugins/async-parser/jsfmt.spec.js

@@ -0,0 +1,9 @@
+import createEsmUtils from "esm-utils";
+
+const { require } = createEsmUtils(import.meta);
+
+const plugins = [
+  require("../../../../config/prettier-plugins/prettier-plugin-async-parser/index.cjs"),
+];
+
+run_spec(import.meta, ["async-parser"], { plugins });

tests/format/misc/plugins/embed-async-parser/__snapshots__/jsfmt.spec.js.snap

@@ -0,0 +1,40 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`async-parser.txt format 1`] = `
+====================================options=====================================
+parsers: ["async-parser"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+A text will format as "Formatted by async-parser plugin".
+
+=====================================output=====================================
+Formatted by async-parser plugin
+================================================================================
+`;
+
+exports[`with-aync-parser-code-block.md format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+\`\`\`async-parser
+Since we don't allow async parser in embed format, so this will not be changed.
+\`\`\`
+
+\`\`\`uppercase-rocks
+This text should be uppercased.
+\`\`\`
+
+=====================================output=====================================
+\`\`\`async-parser
+Since we don't allow async parser in embed format, so this will not be changed.
+\`\`\`
+
+\`\`\`uppercase-rocks
+THIS TEXT SHOULD BE UPPERCASED.
+\`\`\`
+
+================================================================================
+`;

tests/format/misc/plugins/embed-async-parser/jsfmt.spec.js

@@ -0,0 +1,10 @@
+import createEsmUtils from "esm-utils";
+
+const { require } = createEsmUtils(import.meta);
+
+const plugins = [
+  require("../../../../config/prettier-plugins/prettier-plugin-async-parser/index.cjs"),
+  require("../../../../config/prettier-plugins/prettier-plugin-uppercase-rocks/index.cjs"),
+];
+
+run_spec(import.meta, ["markdown"], { plugins });

tests/format/misc/plugins/embed-async-parser/with-aync-parser-code-block.md

@@ -0,0 +1,7 @@
+```async-parser
+Since we don't allow async parser in embed format, so this will not be changed.
+```
+
+```uppercase-rocks
+This text should be uppercased.
+```