@rudderstack/workflow-engine
Version:
A generic workflow execution engine
83 lines • 3.91 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WorkflowEngineFactory = void 0;
const factory_1 = require("../steps/factory");
const libraryBindings = __importStar(require("../bindings"));
const utils_1 = require("../common/utils");
const errors_1 = require("../errors");
const engine_1 = require("./engine");
const utils_2 = require("./utils");
class WorkflowEngineFactory {
static prepareWorkflow(workflow, options) {
utils_2.WorkflowUtils.validateWorkflow(workflow);
// eslint-disable-next-line no-param-reassign
options.templateType = workflow.templateType ?? options.templateType;
utils_1.StepUtils.populateSteps(workflow.steps);
utils_1.StepUtils.validateSteps(workflow.steps);
}
static async create(workflow, options) {
try {
this.prepareWorkflow(workflow, options);
const optionsInteranl = options;
const bindings = await this.prepareBindings(workflow.bindings ?? [], optionsInteranl);
optionsInteranl.currentBindings = bindings;
const executor = await utils_2.WorkflowUtils.getExecutor(workflow, optionsInteranl);
const stepExecutors = await this.createStepExecutors(workflow.steps, optionsInteranl);
utils_2.WorkflowUtils.validate(workflow);
return new engine_1.DefaultWorkflowEngine(workflow.name, executor, bindings, stepExecutors);
}
catch (error) {
if (error instanceof errors_1.WorkflowCreationError) {
throw error;
}
if (error instanceof errors_1.StepCreationError) {
throw new errors_1.WorkflowCreationError(error.message, workflow.name, error.stepName, error.childStepName);
}
throw new errors_1.WorkflowCreationError(error.message, workflow.name);
}
}
static async createFromYaml(yamlString, options) {
const workflow = utils_2.WorkflowUtils.createFromYaml(yamlString);
return this.create(workflow, options);
}
static async createFromFilePath(workflowPath, options) {
const workflow = await utils_2.WorkflowUtils.createWorkflowFromFilePath(workflowPath);
return this.create(workflow, options);
}
static async prepareBindings(workflowBindings, options) {
return {
...libraryBindings,
...(await utils_2.WorkflowUtils.extractWorkflowOptionsBindings(options)),
...(await utils_2.WorkflowUtils.extractBindings(options, workflowBindings)),
...options.creationTimeBindings,
};
}
static async createStepExecutors(steps, options) {
return Promise.all(steps.map((step) => factory_1.StepExecutorFactory.create(step, options)));
}
}
exports.WorkflowEngineFactory = WorkflowEngineFactory;
//# sourceMappingURL=factory.js.map