2025-09-05 14:59:21 +08:00

52 lines
1.7 KiB
JavaScript

import {
getTableName,
is,
Column,
SQL
} from "drizzle-orm";
export function mapResultRow(columns, row, joinsNotNullableMap) {
const nullifyMap = {};
const result = columns.reduce(
(result2, { path, field }, columnIndex) => {
let decoder;
if (is(field, Column)) {
decoder = field;
} else if (is(field, SQL)) {
decoder = "decoder" in field && field.decoder;
} else {
decoder = "decoder" in field.sql && field.sql.decoder;
}
let node = result2;
for (const [pathChunkIndex, pathChunk] of path.entries()) {
if (pathChunkIndex < path.length - 1) {
if (!(pathChunk in node)) {
node[pathChunk] = {};
}
node = node[pathChunk];
} else {
const rawValue = row[columnIndex];
const value = node[pathChunk] = rawValue === null ? null : decoder.mapFromDriverValue(rawValue);
if (joinsNotNullableMap && is(field, Column) && path.length === 2) {
const objectName = path[0];
if (!(objectName in nullifyMap)) {
nullifyMap[objectName] = value === null ? getTableName(field.table) : false;
} else if (typeof nullifyMap[objectName] === "string" && nullifyMap[objectName] !== getTableName(field.table)) {
nullifyMap[objectName] = false;
}
}
}
}
return result2;
},
{}
);
if (joinsNotNullableMap && Object.keys(nullifyMap).length > 0) {
for (const [objectName, tableName] of Object.entries(nullifyMap)) {
if (typeof tableName === "string" && !joinsNotNullableMap[tableName]) {
result[objectName] = null;
}
}
}
return result;
}