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fail early for unknown action constraints #167

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merged 2 commits into from
Apr 24, 2019
Merged

fail early for unknown action constraints #167

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6abe21c
fail early when unknown action constraints are used to attach a listener
aoberoi Apr 24, 2019
7fb9dbd
Merge branch 'master' into error-for-invalid-action-constraints
shaydewael Apr 24, 2019
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10 changes: 10 additions & 0 deletions src/App.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -258,6 +258,16 @@ export default class App {
(typeof actionIdOrConstraints === 'string' || util.types.isRegExp(actionIdOrConstraints)) ?
{ action_id: actionIdOrConstraints } : actionIdOrConstraints;

// Fail early if the constraints contain invalid keys
const unknownConstraintKeys = Object.keys(constraints)
.filter(k => (k !== 'action_id' && k !== 'block_id' && k !== 'callback_id'));
if (unknownConstraintKeys.length > 0) {
this.logger.error(
`Action listener cannot be attached using unknown constraint keys: ${unknownConstraintKeys.join(', ')}`,
);
return;
}

this.listeners.push(
[onlyActions, matchConstraints(constraints), ...listeners] as Middleware<AnyMiddlewareArgs>[],
);
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