Chore: read request stream line by line

Build/lib/fetch-remote-text-by-line.js

@@ -0,0 +1,20 @@
+// @ts-check
+const { fetchWithRetry } = require('./fetch-retry');
+const readline = require('readline');
+const { Readable } = require('stream');
+
+/**
+ * @param {import('undici').RequestInfo} url
+ * @param {import('undici').RequestInit | undefined} [opt]
+ */
+module.exports.fetchRemoteTextAndCreateReadlineInterface = async (url, opt) => {
+  const resp = await fetchWithRetry(url, opt);
+  if (!resp.body) {
+    throw new Error('Failed to fetch remote text');
+  }
+
+  return readline.createInterface({
+    input: Readable.fromWeb(resp.body),
+    crlfDelay: Infinity
+  });
+}