feat: pureDataMarshaller

Agoric · Dec 17, 2024 · 6df7f1f · 6df7f1f
1 parent fd05a7e
commit 6df7f1f
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Showing 4 changed files with 9 additions and 0 deletions.
diff --git a/packages/internal/src/index.js b/packages/internal/src/index.js
@@ -6,6 +6,7 @@ export * from './config.js';
 export * from './debug.js';
 export * from './errors.js';
 export * from './js-utils.js';
+export { pureDataMarshaller } from './marshal.js';
 export * from './method-tools.js';
 export * from './ses-utils.js';
 export * from './typeCheck.js';

diff --git a/packages/internal/src/marshal.js b/packages/internal/src/marshal.js
@@ -135,3 +135,10 @@ export const makeHistoryReviver = (entries, slotToVal = undefined) => {
 
   return harden({ getItem, children, has });
 };
+
+/** @param {import('@endo/marshal').CapData<unknown>} cap */
+const rejectOCap = cap => Fail`${cap} is not pure data`;
+export const pureDataMarshaller = makeMarshal(rejectOCap, rejectOCap, {
+  serializeBodyFormat: 'smallcaps',
+});
+harden(pureDataMarshaller);
diff --git a/packages/internal/test/snapshots/exports.test.js.md b/packages/internal/test/snapshots/exports.test.js.md
@@ -34,6 +34,7 @@ Generated by [AVA](https://avajs.dev).
       'mustMatch',
       'objectMap',
       'objectMetaMap',
+      'pureDataMarshaller',
       'synchronizedTee',
       'untilTrue',
       'whileTrue',

diff --git a/packages/internal/test/snapshots/exports.test.js.snap b/packages/internal/test/snapshots/exports.test.js.snap