add changeset config

.changeset/README.md

@@ -0,0 +1,8 @@
+# Changesets
+
+Hello and welcome! This folder has been automatically generated by `@changesets/cli`, a build tool that works
+with multi-package repos, or single-package repos to help you version and publish your code. You can
+find the full documentation for it [in our repository](https://github.com/changesets/changesets)
+
+We have a quick list of common questions to get you started engaging with this project in
+[our documentation](https://github.com/changesets/changesets/blob/main/docs/common-questions.md)

.changeset/changelog.js

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+const {
+  getInfo,
+  getInfoFromPullRequest,
+} = require('@changesets/get-github-info');
+
+/**
+ * Bold the scope of the changelog entry.
+ *
+ * This is used later in our site packaging.
+ *
+ * @param {string} firstLine
+ */
+const boldScope = (firstLine) => firstLine.replace(/^([^:]+): /, '**$1:** ');
+
+/**
+ * Adapted from `@changesets/cli`.
+ *
+ * {@link https://github.com/atlassian/changesets/blob/%40changesets/cli%402.17.0/packages/cli/src/changelog/index.ts}
+ *
+ * @type import('@changesets/types').ChangelogFunctions
+ */
+const defaultChangelogFunctions = {
+  getDependencyReleaseLine: async (changesets, dependenciesUpdated) => {
+    if (dependenciesUpdated.length === 0) return '';
+
+    const changesetLinks = changesets.map(
+      (changeset) => `- Updated dependencies [${changeset.commit}]`,
+    );
+
+    const updatedDependenciesList = dependenciesUpdated.map(
+      (dependency) => `  - ${dependency.name}@${dependency.newVersion}`,
+    );
+
+    return [...changesetLinks, ...updatedDependenciesList].join('\n');
+  },
+  getReleaseLine: async (changeset) => {
+    const [firstLine, ...futureLines] = changeset.summary
+      .split('\n')
+      .map((l) => l.trimRight());
+
+    const formattedFirstLine = boldScope(firstLine);
+
+    const suffix = changeset.commit;
+
+    return `\n\n- ${formattedFirstLine}${
+      suffix ? ` (${suffix})` : ''
+    }\n${futureLines.map((l) => `  ${l}`).join('\n')}`;
+  },
+};
+
+/**
+ * Adapted from `@changesets/changelog-github`.
+ *
+ * {@link https://github.com/atlassian/changesets/blob/%40changesets/changelog-github%400.4.1/packages/changelog-github/src/index.ts}
+ *
+ * @type import('@changesets/types').ChangelogFunctions
+ */
+const gitHubChangelogFunctions = {
+  getDependencyReleaseLine: async (
+    changesets,
+    dependenciesUpdated,
+    options,
+  ) => {
+    if (!options.repo) {
+      throw new Error(
+        'Please provide a repo to this changelog generator like this:\n"changelog": ["./changelog.js", { "repo": "org/repo" }]',
+      );
+    }
+    if (dependenciesUpdated.length === 0) return '';
+
+    const changesetLink = `- Updated dependencies [${(
+      await Promise.all(
+        changesets.map(async (cs) => {
+          if (cs.commit) {
+            let { links } = await getInfo({
+              repo: options.repo,
+              commit: cs.commit,
+            });
+            return links.commit;
+          }
+        }),
+      )
+    )
+      .filter((_) => _)
+      .join(', ')}]:`;
+
+    const updatedDependenciesList = dependenciesUpdated.map(
+      (dependency) => `  - ${dependency.name}@${dependency.newVersion}`,
+    );
+
+    return [changesetLink, ...updatedDependenciesList].join('\n');
+  },
+  getReleaseLine: async (changeset, _type, options) => {
+    if (!options || !options.repo) {
+      throw new Error(
+        'Please provide a repo to this changelog generator like this:\n"changelog": ["./changelog.js", { "repo": "org/repo" }]',
+      );
+    }
+
+    /** @type number | undefined */
+    let prFromSummary;
+    /** @type string | undefined */
+    let commitFromSummary;
+
+    const replacedChangelog = changeset.summary
+      .replace(/^\s*(?:pr|pull|pull\s+request):\s*#?(\d+)/im, (_, pr) => {
+        let num = Number(pr);
+        if (!isNaN(num)) prFromSummary = num;
+        return '';
+      })
+      .replace(/^\s*commit:\s*([^\s]+)/im, (_, commit) => {
+        commitFromSummary = commit;
+        return '';
+      })
+      .replace(/^\s*(?:author|user):\s*@?([^\s]+)/gim, (_, user) => {
+        usersFromSummary.push(user);
+        return '';
+      })
+      .trim();
+
+    const [firstLine, ...futureLines] = replacedChangelog
+      .split('\n')
+      .map((l) => l.trimRight());
+
+    const links = await (async () => {
+      if (prFromSummary !== undefined) {
+        let { links } = await getInfoFromPullRequest({
+          repo: options.repo,
+          pull: prFromSummary,
+        });
+        if (commitFromSummary) {
+          links = {
+            ...links,
+            commit: `[\`${commitFromSummary}\`](https://github.com/${options.repo}/commit/${commitFromSummary})`,
+          };
+        }
+        return links;
+      }
+      const commitToFetchFrom = commitFromSummary || changeset.commit;
+      if (commitToFetchFrom) {
+        let { links } = await getInfo({
+          repo: options.repo,
+          commit: commitToFetchFrom,
+        });
+        return links;
+      }
+      return {
+        commit: null,
+        pull: null,
+        user: null,
+      };
+    })();
+
+    const formattedFirstLine = boldScope(firstLine);
+
+    const suffix = links.pull ?? links.commit;
+
+    return [
+      `\n- ${formattedFirstLine}${suffix ? ` (${suffix})` : ''}`,
+      ...futureLines.map((l) => `  ${l}`),
+    ].join('\n');
+  },
+};
+
+if (process.env.GITHUB_TOKEN) {
+  module.exports = gitHubChangelogFunctions;
+} else {
+  console.warn(
+    `Defaulting to Git-based versioning.
+Enable GitHub-based versioning by setting the GITHUB_TOKEN environment variable.
+This requires a GitHub personal access token with the \`public_repo\` scope: https://github.com/settings/tokens/new`,
+  );
+
+  module.exports = defaultChangelogFunctions;
+}

.changeset/config.json

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+{
+  "$schema": "https://unpkg.com/@changesets/[email protected]/schema.json",
+  "changelog": ["./changelog.js", { "repo": "seek-oss/skuba" }],
+  "commit": false,
+  "linked": [],
+  "access": "public",
+  "baseBranch": "master",
+  "updateInternalDependencies": "patch"
+}