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1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
- Terms of the form of a relative IRI may not be used as prefixes.
- Match spec error code "invalid context entry" vs "invalid context member".
- Keywords may not be used as prefixes.
- Handle term definition on `@type` with empty map.

### Changed
- Keep term definitions mapping to null so they may be protected.
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3 changes: 2 additions & 1 deletion lib/context.js
Original file line number Diff line number Diff line change
Expand Up @@ -411,7 +411,8 @@ api.createTermDefinition = ({
api.processingMode(activeCtx, 1.1)) {

const validKeys = ['@container', '@id', '@protected'];
if(Object.keys(value).some(k => !validKeys.includes(k))) {
const keys = Object.keys(value);
if(keys.length === 0 || keys.some(k => !validKeys.includes(k))) {
throw new JsonLdError(
'Invalid JSON-LD syntax; keywords cannot be overridden.',
'jsonld.SyntaxError',
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