ci: add missing file

Author: ali-ince

dangerfile.mjs

@@ -0,0 +1,78 @@
+import load from '@commitlint/load';
+import lint from '@commitlint/lint';
+
+const minPRDescriptionLength = 10;
+
+// Utility functions
+const processReport = (type, report, warnOnly = false) => {
+    if (report.warnings.length > 0) {
+        warn(
+            `${type} '${report.input}': ${report.warnings
+                .map((w) => w.message)
+                .join(', ')}`,
+        );
+    }
+
+    if (report.errors.length > 0) {
+        const reportFn = warnOnly ? warn : fail;
+
+        reportFn(
+            `${type} '${report.input}': ${report.errors
+                .map((e) => e.message)
+                .join(', ')}`,
+        );
+    }
+
+    return report.valid || warnOnly ? Promise.resolve() : Promise.reject();
+};
+
+const reportCommitMessage = (report) => processReport('Commit Message', report, true);
+
+const reportPRTitle = (report) => processReport('PR Title', report, false);
+
+const lintMessage = (message, opts, reporter) =>
+    lint(
+        message,
+        opts.rules,
+        opts.parserPreset ? {parserOpts: opts.parserPreset.parserOpts} : {},
+    ).then(reporter);
+
+const pr = danger.github.pr;
+
+// check commit messages and PR name
+schedule(
+    Promise.all([
+        load({}, {file: './.commitlintrc.json', cwd: process.cwd()}).then(
+            (opts) =>
+                Promise.all(
+                    danger.git.commits
+                        .map((c) => c.message)
+                        .map((m) => lintMessage(m, opts, reportCommitMessage)),
+                )
+                    .catch(() =>
+                        markdown(
+                            '> All commits should follow ' +
+                            '[Conventional commits](https://cheatography.com/albelop/cheat-sheets/conventional-commits). ' +
+                            'It seems some of the commit messages are not following those rules, please fix them.',
+                        ),
+                    )
+                    .then(() => lintMessage(pr.title, opts, reportPRTitle))
+                    .catch(() =>
+                        markdown(
+                            '> Pull request title should follow ' +
+                            '[Conventional commits](https://cheatography.com/albelop/cheat-sheets/conventional-commits).',
+                        ),
+                    ),
+        ),
+        new Promise((resolve, reject) => {
+            // No PR is too small to include a description of why you made a change
+            if (pr.body.length < minPRDescriptionLength) {
+                warn(`:exclamation: Please include a description of your PR changes.`);
+
+                markdown(
+                    '> Pull request should have a description of the underlying changes.',
+                );
+            }
+        }),
+    ]),
+);