Map schema.org pending properties

Author: Nathan Salter

scripts/build.js

@@ -96,11 +96,28 @@ for (const asset of assets) {
     },
   }).getBody());
 
+
+  const schemaOrgDataModel = (() => {
+    // Note even though schema.org has migrated http://pending.schema.org/ to https://schema.org/
+    // We still use https://pending.schema.org/ to simplify the tooling (as the modelling specification does not
+    // allow for arbitrary pending terms to be used as-is, they must instead be added to a custom extension)
+    const getPrefixReplacedId = (entity) => {
+      if (entity['https://schema.org/isPartOf']
+        && entity['https://schema.org/isPartOf']['@id'] !== 'https://meta.schema.org') {
+        return entity['@id'].replace(/^https:\/\/schema.org/, entity['https://schema.org/isPartOf']['@id']);
+      }
+      return entity['@id'];
+    };
+
+    return schema['@graph'].map(entity => getPrefixReplacedId(entity));
+  })();
+
+
   fs.writeFileSync(
     path.join(distPath, `${asset.name}.js`),
     `/* eslint-disable */
   // This is a generated file. Do not edit manually.
-  module.exports = ${JSON.stringify(schema)};`,
+  module.exports = ${JSON.stringify({ schema, ...{ '@graph': schemaOrgDataModel } })};`,
     () => {},
   );
 }