add custom frontmatter

src/upload/upoload_custom/getMarkdownCustom.ts

@@ -0,0 +1,43 @@
+import {App, Notice} from "obsidian";
+import {i18nConfig} from "../../lang/I18n";
+import {PluginSettings} from "../../ui/settingTabs";
+
+export async function getNowFileMarkdownContentCustom(
+    app: App,
+    settings: PluginSettings,
+) {
+    const nowFile = app.workspace.getActiveFile();
+    let cover = '';
+    let tags = [];
+    let customValues: Record<string, string> = {};
+
+    const FileCache = app.metadataCache.getFileCache(nowFile);
+    try {
+            cover = FileCache.frontmatter.coverurl;
+            tags = FileCache.frontmatter.tags;
+
+            // split the CustomValues into an array
+            const customValuesNames = settings.CustomValues.split('\n').map(value => value.trim());
+
+            // get the custom values from the frontmatter
+            customValuesNames.forEach(valueName => {
+                customValues[valueName] = FileCache.frontmatter[valueName];
+            });
+    } catch (error) {
+        new Notice(i18nConfig["set-tags-fail"]);
+    }
+
+    if (nowFile) {
+        const markDownData = await nowFile.vault.read(nowFile);
+        return {
+            markDownData,
+            nowFile,
+            cover,
+            tags,
+            customValues,
+        };
+    } else {
+        new Notice(i18nConfig["open-file"]);
+        return;
+    }
+}