test: migrate stdin-filepath tests

Copies the stdin-filepath tests from prettier.

Notable differences:

- Blocked by #21
- Syntax errors output the `stdin-filepath` basename in prettier but not
  in this CLI (e.g. `[Error] foo.js SyntaxError blah`)

Author: 43081j

src/index.ts

@@ -27,7 +27,7 @@ import {
 import type { FormatOptions, Options, PluginsOptions } from "./types.js";
 
 async function run(options: Options, pluginsDefaultOptions: PluginsOptions, pluginsCustomOptions: PluginsOptions): Promise<void> {
-  if (options.globs.length || !isString(await getStdin())) {
+  if (options.globs.length || (!isString(await getStdin()) && !("stdinFilepath" in options))) {
     return runGlobs(options, pluginsDefaultOptions, pluginsCustomOptions);
   } else {
     return runStdin(options, pluginsDefaultOptions, pluginsCustomOptions);

src/utils.ts

@@ -353,7 +353,9 @@ async function normalizeOptions(options: unknown, targets: unknown[]): Promise<O
 
   const stdin = await getStdin();
 
-  if (!isString(stdin) && !globs.length) exit("Expected at least one target file/dir/glob");
+  if (!isString(stdin) && !globs.length && !("stdinFilepath" in options)) {
+    exit("Expected at least one target file/dir/glob");
+  }
 
   const check = "check" in options && !!options.check;
   const list = "listDifferent" in options && !!options.listDifferent;

test/__fixtures__/editorconfig/.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*.js]
+indent_style = tab
+tab_width = 8
+indent_size = 2 # overridden by tab_width since indent_style = tab
+max_line_length = 100
+
+# Indentation override for all JS under lib directory
+[lib/**.js]
+indent_style = space
+indent_size = 2
+
+[lib/indent_size=tab.js]
+indent_size = tab
+
+[tab_width=unset.js]
+tab_width = unset

test/__fixtures__/editorconfig/file.js

@@ -0,0 +1,3 @@
+function f() {
+  console.log("should have tab width 8");
+}

test/__fixtures__/editorconfig/lib/file.js

@@ -0,0 +1,3 @@
+function f() {
+  console.log("should have space width 2");
+}

test/__fixtures__/editorconfig/lib/indent_size=tab.js

@@ -0,0 +1,3 @@
+function f() {
+  console.log("should have space width 8");
+}

test/__fixtures__/editorconfig/repo-root/.hg/.gitkeep

@@ -0,0 +1,2 @@
+This isn't really a Mercurial repo, but we want to pretend it is for testing purposes.
+See https://github.com/prettier/prettier/pull/3559#issuecomment-353857109

test/__fixtures__/editorconfig/repo-root/file.js

@@ -0,0 +1,3 @@
+function f() {
+  console.log("should have space width 2 despite ../.editorconfig specifying 8, because ./.hg is present");
+}

test/__fixtures__/stdin-ignore/.prettierignore

@@ -0,0 +1 @@
+ignore/

test/__tests__/__snapshots__/stdin-filepath.js.snap

@@ -0,0 +1,85 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`apply editorconfig for stdin-filepath with a deep path (stderr) 1`] = `""`;
+
+exports[`apply editorconfig for stdin-filepath with a deep path (stderr) 2`] = `""`;
+
+exports[`apply editorconfig for stdin-filepath with a deep path (stdout) 1`] = `
+"function f() {
+	console.log("should be indented with a tab")
+}"
+`;
+
+exports[`apply editorconfig for stdin-filepath with a deep path (stdout) 2`] = `
+"function f() {
+	console.log("should be indented with a tab")
+}"
+`;
+
+exports[`apply editorconfig for stdin-filepath with a deep path (write) 1`] = `[]`;
+
+exports[`apply editorconfig for stdin-filepath with a deep path (write) 2`] = `[]`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent directory (stderr) 1`] = `""`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent directory (stdout) 1`] = `
+"function f() {
+	console.log("should be indented with a tab")
+}"
+`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent directory (write) 1`] = `[]`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent file (stderr) 1`] = `""`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent file (stdout) 1`] = `
+"function f() {
+	console.log("should be indented with a tab")
+}"
+`;
+
+exports[`apply editorconfig for stdin-filepath with nonexistent file (write) 1`] = `[]`;
+
+exports[`don’t apply editorconfig outside project for stdin-filepath with nonexistent directory (stderr) 1`] = `""`;
+
+exports[`don’t apply editorconfig outside project for stdin-filepath with nonexistent directory (stdout) 1`] = `
+"function f() {
+  console.log("should be indented with 2 spaces")
+}"
+`;
+
+exports[`don’t apply editorconfig outside project for stdin-filepath with nonexistent directory (write) 1`] = `[]`;
+
+exports[`format correctly if stdin content compatible with stdin-filepath (stderr) 1`] = `""`;
+
+exports[`format correctly if stdin content compatible with stdin-filepath (stdout) 1`] = `
+".name {
+  display: none;
+}"
+`;
+
+exports[`format correctly if stdin content compatible with stdin-filepath (write) 1`] = `[]`;
+
+exports[`gracefully handle stdin-filepath with nonexistent directory (stderr) 1`] = `""`;
+
+exports[`gracefully handle stdin-filepath with nonexistent directory (stdout) 1`] = `
+".name {
+  display: none;
+}"
+`;
+
+exports[`gracefully handle stdin-filepath with nonexistent directory (write) 1`] = `[]`;
+
+exports[`output file as-is if stdin-filepath matched patterns in ignore-path (stderr) 1`] = `""`;
+
+exports[`output file as-is if stdin-filepath matched patterns in ignore-path (write) 1`] = `[]`;
+
+exports[`throw error if stdin content incompatible with stdin-filepath (stderr) 1`] = `
+"[error] SyntaxError: Unexpected token (1:1)
+[error] > 1 | .name { display: none; }
+[error]     | ^"
+`;
+
+exports[`throw error if stdin content incompatible with stdin-filepath (stdout) 1`] = `""`;
+
+exports[`throw error if stdin content incompatible with stdin-filepath (write) 1`] = `[]`;