feat(functions): add releases:all()

src/evaluator/functions.ts

@@ -516,6 +516,24 @@ sanity['partOfRelease'] = async function (args, scope, execute) {
 }
 sanity['partOfRelease'].arity = 1
 
+const releases: FunctionSet = {}
+
+// eslint-disable-next-line require-await
+releases['all'] = async function (_args, scope) {
+  const allReleases: string[] = []
+  for await (const value of scope.source) {
+    if (getType(value) === 'object') {
+      const val = await value.get()
+      if (val && '_type' in val && val._type === 'system.release') {
+        allReleases.push(val)
+      }
+    }
+  }
+
+  return fromJS(allReleases)
+}
+releases['all'].arity = 0
+
 export type GroqPipeFunction = (
   base: Value,
   args: ExprNode[],
@@ -762,4 +780,5 @@ export const namespaces: NamespaceSet = {
   sanity,
   math,
   dateTime,
+  releases,
 }

test/evaluate.test.ts

@@ -317,6 +317,21 @@ t.test('Basic parsing', async (t) => {
     })
   })
 
+  t.test('releases-functions', async (t) => {
+    t.test('releases::all()', async (t) => {
+      const dataset = [
+        {_id: '_.releases.summer', _type: 'system.release', title: 'Summer'},
+        {_id: '_.releases.winter', _type: 'system.release', title: 'Winter'},
+        {_id: '_.releases.not', _type: 'other', title: 'Not a release'},
+      ]
+
+      const tree = parse('{"rels": releases::all()[].title}')
+      const value = await evaluate(tree, {dataset})
+      const data = await value.get()
+      t.same(data, {rels: ['Summer', 'Winter']})
+    })
+  })
+
   t.test('Custom dereference function', async (t) => {
     const dataset = [
       {_id: 'a', name: 'Michael'},