fix

book/node_modules/honkit/lib/modifiers/summary/insertArticle.js

@@ -0,0 +1,47 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const is_1 = __importDefault(require("is"));
+const summaryArticle_1 = __importDefault(require("../../models/summaryArticle"));
+const mergeAtLevel_1 = __importDefault(require("./mergeAtLevel"));
+const indexArticleLevels_1 = __importDefault(require("./indexArticleLevels"));
+/**
+ Returns a new Summary with the article at the given level, with
+ subsequent article shifted.
+
+ @param {Summary} summary
+ @param {Article} article
+ @param {String|Article} level: level to insert at
+ @return {Summary}
+ */
+function insertArticle(summary, article, level) {
+    article = new summaryArticle_1.default(article);
+    level = is_1.default.string(level) ? level : level.getLevel();
+    let parent = summary.getParent(level);
+    if (!parent) {
+        return summary;
+    }
+    // Find the index to insert at
+    let articles = parent.getArticles();
+    const index = getLeafIndex(level);
+    // Insert the article at the right index
+    articles = articles.insert(index, article);
+    // Reindex the level from here
+    parent = parent.set("articles", articles);
+    // @ts-expect-error ts-migrate(2554) FIXME: Expected 2 arguments, but got 1.
+    parent = (0, indexArticleLevels_1.default)(parent);
+    return (0, mergeAtLevel_1.default)(summary, parent.getLevel(), parent);
+}
+/**
+ @param {string}
+ @return {number} The index of this level within its parent's children
+ */
+function getLeafIndex(level) {
+    const arr = level.split(".").map((char) => {
+        return parseInt(char, 10);
+    });
+    return arr[arr.length - 1] - 1;
+}
+exports.default = insertArticle;