UUID, json/x path

plugins/template-function-xml/src/index.ts

@@ -0,0 +1,29 @@
+import { DOMParser } from '@xmldom/xmldom';
+import { CallTemplateFunctionArgs, Context, PluginDefinition } from '@yaakapp/api';
+import xpath from 'xpath';
+
+export const plugin: PluginDefinition = {
+  templateFunctions: [{
+    name: 'xml.xpath',
+    description: 'Filter XML-formatted text using XPath syntax',
+    args: [
+      { type: 'text', name: 'input', label: 'Input', multiLine: true, placeholder: '<foo></foo>' },
+      { type: 'text', name: 'query', label: 'Query', placeholder: '//foo' },
+    ],
+    async onRender(_ctx: Context, args: CallTemplateFunctionArgs): Promise<string | null> {
+      try {
+        const doc = new DOMParser().parseFromString(String(args.values.input), 'text/xml');
+        let result = xpath.select(String(args.values.query), doc, false);
+        if (Array.isArray(result)) {
+          return String(result.map(c => String(c.firstChild))[0]);
+        } else if (result instanceof Node) {
+          return String(result.firstChild);
+        } else {
+          return String(result);
+        }
+      } catch (e) {
+        return null;
+      }
+    },
+  }],
+};