@loopback/boot
Version:
A collection of Booters for LoopBack 4 Applications
71 lines • 2.94 kB
JavaScript
;
// Copyright IBM Corp. and LoopBack contributors 2018,2020. All Rights Reserved.
// Node module: @loopback/boot
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
Object.defineProperty(exports, "__esModule", { value: true });
exports.DataSourceDefaults = exports.DataSourceBooter = void 0;
const tslib_1 = require("tslib");
const core_1 = require("@loopback/core");
const keys_1 = require("../keys");
const types_1 = require("../types");
const base_artifact_booter_1 = require("./base-artifact.booter");
/**
* A class that extends BaseArtifactBooter to boot the 'DataSource' artifact type.
* Discovered DataSources are bound using `app.dataSource()`.
*
* Supported phases: configure, discover, load
*
* @param app - Application instance
* @param projectRoot - Root of User Project relative to which all paths are resolved
* @param bootConfig - DataSource Artifact Options Object
*/
let DataSourceBooter = class DataSourceBooter extends base_artifact_booter_1.BaseArtifactBooter {
constructor(app, projectRoot, datasourceConfig = {}) {
super(projectRoot,
// Set DataSource Booter Options if passed in via bootConfig
Object.assign({}, exports.DataSourceDefaults, datasourceConfig));
this.app = app;
this.datasourceConfig = datasourceConfig;
}
/**
* Uses super method to get a list of Artifact classes. Boot each file by
* creating a DataSourceConstructor and binding it to the application class.
*/
async load() {
await super.load();
/**
* If DataSource Classes were discovered, we need to make sure RepositoryMixin
* was used (so we have `app.dataSource()`) to perform the binding of a
* DataSource Class.
*/
if (this.classes.length > 0) {
if (!this.app.dataSource) {
console.warn('app.dataSource() function is needed for DataSourceBooter. You can add ' +
'it to your Application using RepositoryMixin from @loopback/repository.');
}
else {
this.classes.forEach(cls => {
this.app.dataSource(cls);
});
}
}
}
};
exports.DataSourceBooter = DataSourceBooter;
exports.DataSourceBooter = DataSourceBooter = tslib_1.__decorate([
(0, types_1.booter)('datasources'),
tslib_1.__param(0, (0, core_1.inject)(core_1.CoreBindings.APPLICATION_INSTANCE)),
tslib_1.__param(1, (0, core_1.inject)(keys_1.BootBindings.PROJECT_ROOT)),
tslib_1.__param(2, (0, core_1.config)()),
tslib_1.__metadata("design:paramtypes", [Object, String, Object])
], DataSourceBooter);
/**
* Default ArtifactOptions for DataSourceBooter.
*/
exports.DataSourceDefaults = {
dirs: ['datasources'],
extensions: ['.datasource.js'],
nested: true,
};
//# sourceMappingURL=datasource.booter.js.map