Prettier support for `.astro` files (#106)

* docs: fix readme

* chore: scaffold prettier plugin

* chore(prettier): switch to cjs

* test(prettier): scaffold prettier tests

* test(prettier): add simple prettier tests

* feat(prettier): first pass

* refactor: expose parser as CJS export

* test(prettier): add long expression

* refactor(prettier): use Astro parser + built-in prettier doc for prettier plugin

* chore: remove parser from git

* chore: add prettier-plugin-astro `build` to workflow

* chore: update package-lock

* chore: do not build prettier-plugin-astro

* fix: update engines

* chore: remove NPM restriction

* chore: fix workflow paths

* chore: update build script

* test: fix prettier expr test

* chore: fix parser build on windows

* refactor: add parser tsconfig, extending base config

* chore: relax ban-ts-comment

* chore: fix lint issue

Co-authored-by: Nate Moore <nate@skypack.dev>

1 files changed, 13 insertions, 0 deletions

diff --git a/test/test-utils.js b/test/test-utils.js
index 93bf28788..5d5182636 100644
--- a/test/test-utils.js
+++ b/test/test-utils.js
@@ -1,5 +1,18 @@
 import cheerio from 'cheerio';
+import prettier from 'prettier';
+import { fileURLToPath } from 'url';
 /** load html */
 export function doc(html) {
   return cheerio.load(html);
 }
+
+/** 
+  * format the contents of an astro file 
+  * @param contents {string}
+  */
+export function format(contents) {
+  return prettier.format(contents, {
+      parser: 'astro',
+      plugins: [fileURLToPath(new URL('../prettier-plugin-astro', import.meta.url))]
+  })
+}