How to use the @ddes/core.VersionConflictError function in @ddes/core
To help you get started, we’ve selected a few @ddes/core examples, based on popular ways it is used in public projects.
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Skalar / ddes / packages / @ddes / aws-store / lib / AwsEventStore.ts View on Github 
public async commit(commit: Commit) {
try {
await this.dynamodb
.putItem({
TableName: this.tableName,
Item: await utils.marshallCommit(commit),
ConditionExpression: 'attribute_not_exists(v)',
ReturnValues: 'NONE',
})
.promise()
} catch (error) {
if (error.code === 'ConditionalCheckFailedException') {
throw new VersionConflictError(
`${commit.aggregateType}[${
commit.aggregateKey
}] already has a version ${commit.aggregateVersion} commit`
)
}
throw error
}
}
