init

src/execution/handlers/handlers.input.ts

@@ -0,0 +1,56 @@
+import { toString } from 'mdast-util-to-string';
+import { type ExecutionHandler } from '../execution.js';
+
+const inputHandler: ExecutionHandler = ({
+  addStep,
+  node,
+  parent,
+  index,
+}) => {
+  if (node.type === 'leafDirective' && node.name === 'input') {
+    addStep({
+      type: 'input',
+      node,
+      action: async ({ context }) => {
+        const name = toString(node);
+
+        if (node.attributes?.required === '' && context.input[name] === undefined) {
+          throw new Error(`Input "${name}" is required`);
+        }
+
+        if (node.attributes?.default !== undefined && context.input[name] === undefined) {
+          context.input[name] = node.attributes.default;
+        }
+
+        if (node.attributes?.format === 'number' && context.input[name] !== undefined) {
+          context.input[name] = Number(context.input[name]);
+          if (context.input[name] !== undefined && isNaN(Number(context.input[name]))) {
+            throw new Error(`Input "${name}" must be a number, but got "${context.input[name]}"`);
+          }
+        }
+
+        if (!parent || !('children' in parent) || index === undefined) {
+          throw new Error('Parent node is required');
+        }
+
+        if (node.attributes?.hidden === '') {
+          parent?.children?.splice(index, 1);
+          return;
+        }
+
+        const newNode = {
+          type: 'code',
+          value: `${name}=${context.input[name] ?? '[undefined]'}`,
+        };
+
+        parent.children?.splice(
+          index,
+          1,
+          newNode as any,
+        );
+      },
+    })
+  }
+}
+
+export { inputHandler };