dynamodb-toolbox
Version:
Lightweight and type-safe query builder for DynamoDB and TypeScript.
65 lines (64 loc) • 3.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.UpdateTransaction = void 0;
const index_js_1 = require("../../../entity/actions/parse/index.js");
const index_js_2 = require("../../../entity/actions/update/expressUpdate/index.js");
const index_js_3 = require("../../../entity/actions/update/updateItemParams/extension/index.js");
const index_js_4 = require("../../../errors/index.js");
const isEmpty_js_1 = require("../../../utils/isEmpty.js");
const omit_js_1 = require("../../../utils/omit.js");
const transaction_js_1 = require("../transactWrite/transaction.js");
const constants_js_1 = require("./constants.js");
const options_js_1 = require("./options.js");
class UpdateTransaction extends transaction_js_1.WriteTransaction {
constructor(entity, item, options = {}) {
super(entity);
this[constants_js_1.$item] = item;
this[constants_js_1.$options] = options;
}
item(nextItem) {
return new UpdateTransaction(this.entity, nextItem, this[constants_js_1.$options]);
}
options(nextOptions) {
return new UpdateTransaction(this.entity, this[constants_js_1.$item], typeof nextOptions === 'function' ? nextOptions(this[constants_js_1.$options]) : nextOptions);
}
params() {
var _a;
if (!this[constants_js_1.$item]) {
throw new index_js_4.DynamoDBToolboxError('actions.incompleteAction', {
message: 'UpdateTransaction incomplete: Missing "item" property'
});
}
const { parsedItem, item, key } = this.entity.build(index_js_1.EntityParser).parse(this[constants_js_1.$item], {
mode: 'update',
parseExtension: index_js_3.parseUpdateExtension
});
const { ExpressionAttributeNames: updateExpressionAttributeNames, ExpressionAttributeValues: updateExpressionAttributeValues, UpdateExpression } = (0, index_js_2.expressUpdate)(this.entity, (0, omit_js_1.omit)(item, ...Object.keys(key)));
const options = this[constants_js_1.$options];
const { ExpressionAttributeNames: optionsExpressionAttributeNames, ExpressionAttributeValues: optionsExpressionAttributeValues, ...awsOptions } = (0, options_js_1.parseOptions)(this.entity, options);
const ExpressionAttributeNames = {
...optionsExpressionAttributeNames,
...updateExpressionAttributeNames
};
const ExpressionAttributeValues = {
...optionsExpressionAttributeValues,
...updateExpressionAttributeValues
};
return {
/**
* @debt type "TODO: Rework extensions & not cast here (use `ParsedItem<ENTITY, { extension: UpdateItemExtension }>`)"
*/
ToolboxItem: parsedItem,
Update: {
TableName: (_a = options.tableName) !== null && _a !== void 0 ? _a : this.entity.table.getName(),
Key: key,
UpdateExpression,
...awsOptions,
...(!(0, isEmpty_js_1.isEmpty)(ExpressionAttributeNames) ? { ExpressionAttributeNames } : {}),
...(!(0, isEmpty_js_1.isEmpty)(ExpressionAttributeValues) ? { ExpressionAttributeValues } : {})
}
};
}
}
exports.UpdateTransaction = UpdateTransaction;
UpdateTransaction.actionName = 'transactUpdate';