ElectroDB is a DynamoDB library to ease the use of having multiple entities and complex hierarchical relationships in a single DynamoDB table. ElectroDB is the only truely Single-Table Design oriented TypeScript library for DynamoDB.
Create complex DynamoDB parameters with a simple and easy to read syntax!
const { data } = await tasks
.patch({
team: "core",
task: "45-662",
project: "backend"
})
.set({ status: "open" })
.add({ points: 5 })
.append({
comments: [{
user: "janet",
body: "This seems half-baked."
}]
})
.where(({ status }, { eq }) => eq(status, "in-progress"))
.go();{
"UpdateExpression": "SET #status = :status_u0, #points = #points + :points_u0, #comments = list_append(#comments, :comments_u0), #updatedAt = :updatedAt_u0, #gsi1sk = :gsi1sk_u0",
"ExpressionAttributeNames": {
"#status": "status",
"#points": "points",
"#comments": "comments",
"#updatedAt": "updatedAt",
"#gsi1sk": "gsi1sk"
},
"ExpressionAttributeValues": {
":status0": "in-progress",
":status_u0": "open",
":points_u0": 5,
":comments_u0": [
{
"user": "janet",
"body": "This seems half-baked."
}
],
":updatedAt_u0": 1630977029015,
":gsi1sk_u0": "$assignments#tasks_1#status_open"
},
"TableName": "your_table_name",
"Key": {
"pk": "$taskapp#team_core",
"sk": "$tasks_1#project_backend#task_45-662"
},
"ConditionExpression": "attribute_exists(pk) AND attribute_exists(sk) AND #status = :status0"
}