add script to compose full changelog

Author: Alberto Iannaccone

arduino-ide-extension/scripts/compose-changelog.js

@@ -0,0 +1,50 @@
+// @ts-check
+
+(async () => {
+  const { Octokit } = require('@octokit/rest');
+
+  const octokit = new Octokit({
+    userAgent: 'Arduino IDE compose-changelog.js',
+  });
+
+  const response = await octokit.rest.repos.listReleases({
+    owner: 'arduino',
+    repo: 'arduino-ide',
+  });
+
+  if (!response || response.status !== 200) {
+    console.log('fancù');
+    return;
+  }
+  const releases = response.data;
+
+  let fullChangelog = releases.reduce((acc, item) => {
+    return acc + `\n\n${item.body}`;
+  }, '');
+
+  fullChangelog = replaceIssueNumber(fullChangelog);
+  fullChangelog = replaceIssueLink(fullChangelog);
+  fullChangelog = replaceCompareLink(fullChangelog);
+
+  console.log(fullChangelog);
+})();
+
+const replaceIssueLink = (str) => {
+  const regex =
+    /(https:\/\/github\.com\/arduino\/arduino-ide\/(issues|pull)\/(\d*))/gm;
+  const substr = `[#$3]($1)`;
+  return str.replace(regex, substr);
+};
+
+const replaceIssueNumber = (str) => {
+  const regex = /#(\d+)/gm;
+  const subst = `[#$1](https://github.com/arduino/arduino-ide/pull/$1)`;
+  return str.replace(regex, subst);
+};
+
+const replaceCompareLink = (str) => {
+  const regex =
+    /(https:\/\/github.com\/arduino\/arduino-ide\/compare\/(.*))\s/gm;
+  const subst = `[\`$2\`]($1)`;
+  return str.replace(regex, subst);
+};