Add existing to tracked

node_modules/obj2gltf/lib/readLines.js

@@ -0,0 +1,40 @@
+"use strict";
+const fsExtra = require("fs-extra");
+const Promise = require("bluebird");
+const readline = require("readline");
+const events = require("events");
+
+module.exports = readLines;
+
+/**
+ * Read a file line-by-line.
+ *
+ * @param {String} path Path to the file.
+ * @param {Function} callback Function to call when reading each line.
+ * @returns {Promise} A promise when the reader is finished.
+ *
+ * @private
+ */
+function readLines(path, callback) {
+  const stream = fsExtra.createReadStream(path);
+  return events.once(stream, "open").then(function () {
+    return new Promise(function (resolve, reject) {
+      stream.on("error", reject);
+      stream.on("end", resolve);
+
+      const lineReader = readline.createInterface({
+        input: stream,
+      });
+
+      const callbackWrapper = function (line) {
+        try {
+          callback(line);
+        } catch (error) {
+          reject(error);
+        }
+      };
+
+      lineReader.on("line", callbackWrapper);
+    });
+  });
+}