Add extension check function

Author: danielfdsilva

packages/data-core/lib/plugin-utils/plugin.ts

@@ -1,17 +1,20 @@
 /* eslint-disable @typescript-eslint/no-explicit-any, @typescript-eslint/no-unused-vars */
 
-import { SchemaField } from '../schema/types';
+import { SchemaField, SchemaFieldObject } from '../schema/types';
+
+export type PluginEditSchema =
+  | (SchemaFieldObject & { type: 'root' })
+  | undefined
+  | symbol;
 
 export abstract class Plugin {
   static HIDDEN = Symbol('hidden');
 
   name: string = 'Plugin';
 
-  watchFields?: string[] = [];
-
   init(data: any) {}
 
-  editSchema(formData?: any): SchemaField | undefined | symbol {
+  editSchema(formData?: any): PluginEditSchema {
     return undefined;
   }
 

packages/data-plugins/lib/collections/ext-item-assets.ts

@@ -1,10 +1,14 @@
-import { Plugin, SchemaFieldObject } from '@stac-manager/data-core';
-import { array2Object, object2Array } from '../utils';
+import { Plugin, PluginEditSchema } from '@stac-manager/data-core';
+import { array2Object, hasExtension, object2Array } from '../utils';
 
 export class PluginItemAssets extends Plugin {
-  name = 'Item Assets';
+  name = 'Item Assets Extension';
+
+  editSchema(data: any): PluginEditSchema {
+    if (!hasExtension(data, 'item-assets')) {
+      return Plugin.HIDDEN;
+    }
 
-  editSchema(): SchemaFieldObject {
     return {
       type: 'root',
       properties: {

packages/data-plugins/lib/collections/ext-render.ts

@@ -1,15 +1,20 @@
-import { Plugin, SchemaFieldObject } from '@stac-manager/data-core';
+import { Plugin, PluginEditSchema } from '@stac-manager/data-core';
 import {
   array2Object,
+  hasExtension,
   object2Array,
   object2Tuple,
   tuple2Object
 } from '../utils';
 
 export class PluginRender extends Plugin {
-  name = 'Render';
+  name = 'Render Extension';
+
+  editSchema(data: any): PluginEditSchema {
+    if (!hasExtension(data, 'render')) {
+      return Plugin.HIDDEN;
+    }
 
-  editSchema(): SchemaFieldObject {
     return {
       type: 'root',
       properties: {

packages/data-plugins/lib/utils.ts

@@ -170,3 +170,26 @@ export function tuple2Object(stack: string[][]) {
     return { ...acc, [key]: item };
   }, {});
 }
+
+/**
+ * Checks if the given data has a specific STAC extension.
+ *
+ * @param data - The data object to check for the extension.
+ * @param extension - The name of the extension to look for.
+ * @param version - An optional function that takes a version string and returns
+ * a boolean indicating whether the version matches.
+ *
+ * @returns A boolean indicating whether the specified extension (and version,
+ * if provided) is present in the data.
+ */
+export function hasExtension(
+  data: any,
+  extension: string,
+  version?: (v: string) => boolean
+) {
+  const regex = new RegExp(`/${extension}/v([0-9.]+)/schema.json`);
+  return data?.stac_extensions?.some((ext: string) => {
+    const match = ext.match(regex);
+    return match && (!version || version(match[1]));
+  });
+}