typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
64 lines (62 loc) • 3.79 kB
JavaScript
import { importClassesFromDirectories } from "../util/DirectoryExportedClassesLoader";
import { OrmUtils } from "../util/OrmUtils";
import { getFromContainer } from "../container";
import { getMetadataArgsStorage } from "../index";
import { EntityMetadataBuilder } from "../metadata-builder/EntityMetadataBuilder";
import { EntitySchemaTransformer } from "../entity-schema/EntitySchemaTransformer";
import { EntitySchema } from "../entity-schema/EntitySchema";
/**
* Builds migration instances, subscriber instances and entity metadatas for the given classes.
*/
var ConnectionMetadataBuilder = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function ConnectionMetadataBuilder(connection) {
this.connection = connection;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Builds migration instances for the given classes or directories.
*/
ConnectionMetadataBuilder.prototype.buildMigrations = function (migrations) {
var _a = OrmUtils.splitClassesAndStrings(migrations), migrationClasses = _a[0], migrationDirectories = _a[1];
var allMigrationClasses = migrationClasses.concat(importClassesFromDirectories(migrationDirectories));
return allMigrationClasses.map(function (migrationClass) { return getFromContainer(migrationClass); });
};
/**
* Builds subscriber instances for the given classes or directories.
*/
ConnectionMetadataBuilder.prototype.buildSubscribers = function (subscribers) {
var _a = OrmUtils.splitClassesAndStrings(subscribers || []), subscriberClasses = _a[0], subscriberDirectories = _a[1];
var allSubscriberClasses = subscriberClasses.concat(importClassesFromDirectories(subscriberDirectories));
return getMetadataArgsStorage()
.filterSubscribers(allSubscriberClasses)
.map(function (metadata) { return getFromContainer(metadata.target); });
};
/**
* Builds entity metadatas for the given classes or directories.
*/
ConnectionMetadataBuilder.prototype.buildEntityMetadatas = function (entities) {
// todo: instead we need to merge multiple metadata args storages
var _a = OrmUtils.splitClassesAndStrings(entities || []), entityClassesOrSchemas = _a[0], entityDirectories = _a[1];
var entityClasses = entityClassesOrSchemas.filter(function (entityClass) { return (entityClass instanceof EntitySchema) === false; });
var entitySchemas = entityClassesOrSchemas.filter(function (entityClass) { return entityClass instanceof EntitySchema; });
var allEntityClasses = entityClasses.concat(importClassesFromDirectories(entityDirectories));
allEntityClasses.forEach(function (entityClass) {
if (entityClass instanceof EntitySchema) {
entitySchemas.push(entityClass);
allEntityClasses.slice(allEntityClasses.indexOf(entityClass), 1);
}
});
var decoratorEntityMetadatas = new EntityMetadataBuilder(this.connection, getMetadataArgsStorage()).build(allEntityClasses);
var metadataArgsStorageFromSchema = new EntitySchemaTransformer().transform(entitySchemas);
var schemaEntityMetadatas = new EntityMetadataBuilder(this.connection, metadataArgsStorageFromSchema).build();
return decoratorEntityMetadatas.concat(schemaEntityMetadatas);
};
return ConnectionMetadataBuilder;
}());
export { ConnectionMetadataBuilder };
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