From f593d9e898d79f30b4dfe159cbc9b0d94a4d9a32 Mon Sep 17 00:00:00 2001
From: Matt Swensen <swensen.matthew@gmail.com>
Date: Fri, 20 Mar 2020 06:51:46 -0600
Subject: [PATCH] Implement renderInstructions in themer-wallpaper-block-wave

---
 cli/packages/themer-wallpaper-block-wave/README.md     |  2 ++
 .../lib/__snapshots__/index.spec.js.snap               | 10 ++++++++++
 cli/packages/themer-wallpaper-block-wave/lib/index.js  |  2 ++
 .../themer-wallpaper-block-wave/lib/index.spec.js      |  8 +++++++-
 cli/packages/themer-wallpaper-block-wave/package.json  |  2 +-
 5 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 cli/packages/themer-wallpaper-block-wave/lib/__snapshots__/index.spec.js.snap

diff --git a/cli/packages/themer-wallpaper-block-wave/README.md b/cli/packages/themer-wallpaper-block-wave/README.md
index 962358f..9271de6 100644
--- a/cli/packages/themer-wallpaper-block-wave/README.md
+++ b/cli/packages/themer-wallpaper-block-wave/README.md
@@ -33,3 +33,5 @@ By default, `themer-wallpaper-block-wave` will output wallpapers at the followin
 to which you would pass `<width>x<height>`. For example, to forego the default resolutions and generate two wallpapers, one 1024 by 768 and one 320 by 960:
 
     themer -c my-colors.js -t themer-wallpaper-block-wave --themer-wallpaper-block-wave-size 1024x768 --themer-wallpaper-block-wave-size 320x960 -o gen
+
+The generated files will be listed in `<output dir>/README.md`.
diff --git a/cli/packages/themer-wallpaper-block-wave/lib/__snapshots__/index.spec.js.snap b/cli/packages/themer-wallpaper-block-wave/lib/__snapshots__/index.spec.js.snap
new file mode 100644
index 0000000..55ac944
--- /dev/null
+++ b/cli/packages/themer-wallpaper-block-wave/lib/__snapshots__/index.spec.js.snap
@@ -0,0 +1,10 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`themer "block wave" wallpaper should list outputfiles 1`] = `
+"
+Files generated:
+
+* \`themer-wallpaper-block-wave-dark-1000x1000.svg\`
+* \`themer-wallpaper-block-wave-light-1000x1000.svg\`
+"
+`;
diff --git a/cli/packages/themer-wallpaper-block-wave/lib/index.js b/cli/packages/themer-wallpaper-block-wave/lib/index.js
index 2fb35a5..f573bd2 100644
--- a/cli/packages/themer-wallpaper-block-wave/lib/index.js
+++ b/cli/packages/themer-wallpaper-block-wave/lib/index.js
@@ -2,6 +2,7 @@ const {
   getSizesFromOptOrDefault,
   colorSets: getColorSets,
   deepFlatten,
+  listOutputFiles,
 } = require('themer-utils');
 const weightedRandom = require('./weighted-random');
 
@@ -89,4 +90,5 @@ const render = (colors, options) => {
 
 module.exports = {
   render,
+  renderInstructions: listOutputFiles
 };
diff --git a/cli/packages/themer-wallpaper-block-wave/lib/index.spec.js b/cli/packages/themer-wallpaper-block-wave/lib/index.spec.js
index cf4f3f1..1fa5535 100644
--- a/cli/packages/themer-wallpaper-block-wave/lib/index.spec.js
+++ b/cli/packages/themer-wallpaper-block-wave/lib/index.spec.js
@@ -1,4 +1,4 @@
-const { render } = require('./index'),
+const { render, renderInstructions } = require('./index'),
   { colors } = require('../../themer-colors-default');
 
 describe('themer "block wave" wallpaper', () => {
@@ -51,4 +51,10 @@ describe('themer "block wave" wallpaper', () => {
   test('when given only a dark theme', { dark: colors.dark }, 2);
   test('when given only a light theme', { light: colors.light }, 2);
 
+  it('should list outputfiles', async () => {
+    const files = await Promise.all(render(colors, { 'themer-wallpaper-block-wave-size': '1000x1000' }));
+    const instructions = renderInstructions(files.map(({ name }) => name));
+    expect(instructions).toMatchSnapshot();
+  });
+
 });
diff --git a/cli/packages/themer-wallpaper-block-wave/package.json b/cli/packages/themer-wallpaper-block-wave/package.json
index 464f8dd..6fc88cb 100644
--- a/cli/packages/themer-wallpaper-block-wave/package.json
+++ b/cli/packages/themer-wallpaper-block-wave/package.json
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/mjswensen/themer/tree/master/cli/packages/themer-wallpaper-block-wave#readme",
   "dependencies": {
-    "themer-utils": "^1.1.0"
+    "themer-utils": "^1.2.0"
   },
   "keywords": [
     "themer",