fix

book/node_modules/@honkit/html/lib/langs.js

@@ -0,0 +1,20 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const summary_1 = __importDefault(require("./summary"));
+/**
+    Parse an HTML content into a list of language
+
+    @param {string} html
+    @return {Array}
+*/
+function parseLangs(content) {
+    const parts = (0, summary_1.default)(content).parts;
+    if (parts.length > 0) {
+        return parts[0].articles;
+    }
+    return [];
+}
+exports.default = parseLangs;