Function getManyToManyJoinTable

packages/orm/src/client/query-utils.ts:319–342

(
    schema: SchemaDef,
    joinTableName: string,
)

 * See issue #2715.
 */
export function getManyToManyJoinTable(
    schema: SchemaDef,
    joinTableName: string,
): ManyToManyJoinTableEndpoints | undefined {
    const cache = getSchemaLookupCache(schema);
    if (!cache.m2mJoinTable) {
        const map = new Map<string, ManyToManyJoinTableEndpoints>();
        for (const model of Object.values(schema.models)) {
            for (const field of Object.values(model.fields)) {
                const m2m = getManyToManyRelation(schema, model.name, field.name);
                if (m2m?.joinTable && !map.has(m2m.joinTable)) {
                    map.set(m2m.joinTable, {
                        model: model.name,
                        field: field.name,
                        otherModel: m2m.otherModel,
                        otherField: m2m.otherField,
                    });
                }
            }
        }
        cache.m2mJoinTable = map;
    }
    return cache.m2mJoinTable.get(joinTableName);
}

function computeManyToManyRelation(schema: SchemaDef, model: string, field: string) {
    const fieldDef = requireField(schema, model, field);