Adds Clipboard to Markdown script (raycast#768)

* Adds Clipboard to Markdown script

* Add support for more image extensions

Author: alessandrapereyra

commands/conversions/clipboard-to-markdown.js

@@ -0,0 +1,101 @@
+#!/usr/bin/env node
+
+// Dependency: This script requires Nodejs.
+// Install Node: https://nodejs.org/en/download/
+
+// Required parameters:
+// @raycast.schemaVersion 1
+// @raycast.title Clipboard to Markdown
+// @raycast.mode silent
+
+// Optional parameters:
+// @raycast.icon 📋
+// @raycast.packageName Conversions
+
+// Documentation:
+// @raycast.description Automatically take the content found in the clipboard and turn it into Markdown
+// @raycast.author Alessandra Pereyra
+// @raycast.authorURL https://github.com/alessandrapereyra
+
+// Based on the code from
+// https://github.com/raycast/script-commands/blob/master/commands/conversions/create-markdown-table.js
+
+const child_process = require("child_process");
+
+function pbpaste() {
+  return child_process.execSync("pbpaste").toString();
+}
+
+function pbcopy(data) {
+  return new Promise(function (resolve, reject) {
+    const child = child_process.spawn("pbcopy");
+
+    child.on("error", function (err) {
+      reject(err);
+    });
+
+    child.on("close", function (err) {
+      resolve(data);
+    });
+
+    child.stdin.write(data);
+    child.stdin.end();
+  });
+}
+
+function processLine(content) {
+  if (
+    content.startsWith("* ") ||
+    content.startsWith("- ") ||
+    content.startsWith("+ ")
+  ) {
+    return "* " + processContent(content.substring(2));
+  }
+  return processContent(content);
+}
+
+function processLines(content) {
+  const lines = content.split("\n");
+  const markdownLines = lines.map((line) => {
+    return processLine(line);
+  });
+  return markdownLines.join("\n");
+}
+
+function processImageURL(content) {
+  return `![Image](${content})`;
+}
+
+function processURL(content) {
+  return `[${content}](${content})`;
+}
+
+function processText(content) {
+  return content;
+}
+
+function processContent(content) {
+  if (content.startsWith("http")) {
+    if (content.match(/\.(jpeg|jpg|gif|png|bmp|tiff)$/) != null) {
+      return processImageURL(content);
+    } else {
+      return processURL(content);
+    }
+  } else {
+    return processText(content);
+  }
+}
+
+function processStoredContent(content) {
+  if (content.includes("\n")) {
+    return processLines(content);
+  } else {
+    return processContent(content);
+  }
+}
+
+const storedClipboardContent = pbpaste();
+
+let markdown = processStoredContent(storedClipboardContent);
+
+pbcopy(markdown);