feat: auto clean working directory

Author: mathdroid

cli.js

@@ -11,6 +11,7 @@ const updateNotifier = require("update-notifier");
 const meow = require("meow");
 const got = require("got");
 const cp = require("cp-file");
+const trash = require("trash");
 
 const { cloneGistPath, commitAll, push } = require("./git-util");
 
@@ -66,7 +67,7 @@ const getXY = index => {
 
 const cropImage = async path => {
   try {
-    const { ext } = parse(path);
+    const { ext, name } = parse(path);
     const image = sharp(path);
     const { width, height } = await image.metadata();
     const resizeOpts =
@@ -76,7 +77,7 @@ const cropImage = async path => {
     const resized = image.clone().resize(resizeOpts);
     const files = [];
     for (let i = 0; i < 6; i++) {
-      const filename = `${i}.${ext}`;
+      const filename = `${name}.${i}${ext}`;
       const { x, y } = getXY(i);
       await resized
         .clone()
@@ -93,6 +94,7 @@ const cropImage = async path => {
 
 const cropGif = async path => {
   try {
+    const { name } = parse(path);
     const { width, height } = await sharp(path).metadata();
     const resizeOpts =
       width / height >= CONTAINER_WIDTH / MINIMUM_HEIGHT
@@ -102,7 +104,7 @@ const cropGif = async path => {
     await execa(gifsicle, [...resizeOpts, "-o", resized, path]);
     const files = [];
     for (let i = 0; i < 6; i++) {
-      const filename = `${i}.gif`;
+      const filename = `${name}.${i}.gif`;
       const { x, y } = getXY(i);
       await execa(gifsicle, [
         "--crop",
@@ -114,59 +116,80 @@ const cropGif = async path => {
       console.log(`Successfully cropped ${filename}.`);
       files.push(filename);
     }
+    await trash(resized);
     return files;
   } catch (e) {
     console.error(e);
   }
 };
 
+const isGif = path => path.endsWith(".gif");
+
+const createGists = async (files, githubToken) => {
+  const hashes = [];
+  try {
+    for (const file of files) {
+      const files = {
+        [file]: {
+          content: `Placeholder for ${file}.`
+        }
+      };
+      const body = JSON.stringify({
+        description: `Gist for ${file}. Generated by \`crop-github-images-cli\`.`,
+        public: true,
+        files
+      });
+      const { body: res } = await got.post("gists", {
+        baseUrl: "https://api.github.com",
+        headers: {
+          Authorization: `token ${githubToken}`
+        },
+        body
+      });
+      const {
+        html_url,
+        id: hash,
+        owner: { login }
+      } = JSON.parse(res);
+      console.log(`Prepared the gist for ${file} in ${html_url}`);
+      await cloneGistPath(hash);
+      await cp(file, `${hash}/${file}`);
+      const gitPath = resolve(`./${hash}/.git`);
+      await commitAll(gitPath);
+      fs.writeFileSync(
+        `${hash}/.netrc`,
+        `machine github.com\nlogin ${login}\npassword ${githubToken}`
+      );
+      await push(gitPath);
+      hashes.push(hash);
+      console.log(
+        `${isGif(path) ? "GIF" : "Image"} ${file} has been added to the gist`
+      );
+    }
+    await trash(hashes);
+  } catch (e) {
+    console.error(e);
+    if (hashes.length) {
+      await trash(hashes);
+    }
+  }
+};
+
 const crop = async (path, githubToken) => {
   let files = [];
-  const isGif = path.endsWith(".gif");
-  if (isGif) {
-    files = await cropGif(path);
-  } else {
-    files = await cropImage(path);
-  }
-  if (githubToken) {
-    try {
-      for (const file of files) {
-        const files = {
-          [file]: {
-            content: "Hello"
-          }
-        };
-        const body = JSON.stringify({
-          description: `Gist for ${file}`,
-          public: true,
-          files
-        });
-        const { body: res } = await got.post("gists", {
-          baseUrl: "https://api.github.com",
-          headers: {
-            Authorization: `token ${githubToken}`
-          },
-          body
-        });
-        const data = JSON.parse(res);
-        console.log(`Prepared the gist for ${file} in ${data.html_url}`);
-        await cloneGistPath(data.id);
-        await cp(file, `${data.id}/${file}`);
-        const gitPath = resolve(`./${data.id}/.git`);
-        await commitAll(gitPath);
-        fs.writeFileSync(
-          `${data.id}/.netrc`,
-          `machine github.com\nlogin ${
-            data.owner.login
-          }\npassword ${githubToken}`
-        );
-        await push(gitPath);
-        console.log(
-          `${isGif ? "GIF" : "Image"} ${file} has been added to the gist`
-        );
-      }
-    } catch (e) {
-      console.error(e);
+  try {
+    if (isGif(path)) {
+      files = await cropGif(path);
+    } else {
+      files = await cropImage(path);
+    }
+    if (githubToken) {
+      createGists(files, githubToken);
+    }
+  } catch (e) {
+    console.error(e);
+    if (files.length) {
+      await trash(files);
     }
   }
 };

package.json

@@ -33,9 +33,11 @@
     "got": "^9.6.0",
     "meow": "^5.0.0",
     "sharp": "^0.22.0",
+    "trash": "^5.2.0",
     "update-notifier": "^2.5.0"
   },
   "devDependencies": {
-    "ava": "^1.4.1"
+    "ava": "^1.4.1",
+    "np": "^4.0.2"
   }
 }