@tachybase/module-workflow/dist/server/instructions/ConditionInstruction.js

A powerful BPM tool that provides foundational support for business automation, with the capability to extend unlimited triggers and nodes.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var ConditionInstruction_exports = {};
__export(ConditionInstruction_exports, {
  BRANCH_INDEX: () => BRANCH_INDEX,
  ConditionInstruction: () => ConditionInstruction,
  calculators: () => calculators,
  default: () => ConditionInstruction_default
});
module.exports = __toCommonJS(ConditionInstruction_exports);
var import_server = require("@tego/server");
var import__ = require(".");
var import_constants = require("../constants");
const BRANCH_INDEX = {
  DEFAULT: null,
  ON_TRUE: 1,
  ON_FALSE: 0
};
const calculators = new import_server.Registry();
function equal(a, b) {
  return a === b;
}
function notEqual(a, b) {
  return a !== b;
}
function gt(a, b) {
  return a > b;
}
function gte(a, b) {
  return a >= b;
}
function lt(a, b) {
  return a < b;
}
function lte(a, b) {
  return a <= b;
}
calculators.register("equal", equal);
calculators.register("notEqual", notEqual);
calculators.register("gt", gt);
calculators.register("gte", gte);
calculators.register("lt", lt);
calculators.register("lte", lte);
calculators.register("==", equal);
calculators.register("!=", notEqual);
calculators.register(">", gt);
calculators.register(">=", gte);
calculators.register("<", lt);
calculators.register("<=", lte);
function includes(a, b) {
  return a.includes(b);
}
function notIncludes(a, b) {
  return !a.includes(b);
}
function startsWith(a, b) {
  return a.startsWith(b);
}
function notStartsWith(a, b) {
  return !a.startsWith(b);
}
function endsWith(a, b) {
  return a.endsWith(b);
}
function notEndsWith(a, b) {
  return !a.endsWith(b);
}
calculators.register("includes", includes);
calculators.register("notIncludes", notIncludes);
calculators.register("startsWith", startsWith);
calculators.register("notStartsWith", notStartsWith);
calculators.register("endsWith", endsWith);
calculators.register("notEndsWith", notEndsWith);
function isEmpty(a) {
  return a == null;
}
function isNotEmpty(a) {
  return !isEmpty(a);
}
function isTrue(a) {
  return a === true;
}
function isFalse(a) {
  return a === false;
}
calculators.register("isEmpty", isEmpty);
calculators.register("isNotEmpty", isNotEmpty);
calculators.register("isTrue", isTrue);
calculators.register("isFalse", isFalse);
function calculate(calculation = {}) {
  let fn;
  if (!(calculation.calculator && (fn = calculators.get(calculation.calculator)))) {
    throw new Error(`no calculator function registered for "${calculation.calculator}"`);
  }
  return Boolean(fn(...calculation.operands ?? []));
}
function logicCalculate(calculation) {
  if (!calculation) {
    return true;
  }
  if (typeof calculation["group"] === "object") {
    const method = calculation["group"].type === "and" ? "every" : "some";
    return (calculation["group"].calculations ?? [])[method]((item) => logicCalculate(item));
  }
  return calculate(calculation);
}
class ConditionInstruction extends import__.Instruction {
  async run(node, prevJob, processor) {
    const start = prevJob.createdAt || Date.now();
    const { engine, calculation, expression, rejectOnFalse } = node.config || {};
    const evaluator = import_server.evaluators.get(engine);
    let result = true;
    try {
      result = evaluator ? evaluator(expression, processor.getScope(node.id)) : logicCalculate(processor.getParsedValue(calculation, node.id));
    } catch (e) {
      return {
        result: e.toString(),
        status: import_constants.JOB_STATUS.ERROR
      };
    }
    if (!result && rejectOnFalse) {
      return {
        status: import_constants.JOB_STATUS.FAILED,
        result
      };
    }
    const job = {
      status: import_constants.JOB_STATUS.RESOLVED,
      result,
      // TODO(optimize): try unify the building of job
      nodeId: node.id,
      nodeKey: node.key,
      upstreamId: prevJob && prevJob.id || null,
      cost: Date.now() - start
    };
    const branchNode = processor.nodes.find(
      (item) => item.upstreamId === node.id && item.branchIndex != null && Boolean(item.branchIndex) === result
    );
    if (!branchNode) {
      return job;
    }
    const savedJob = await processor.saveJob(job);
    await processor.run(branchNode, savedJob);
    return null;
  }
  async resume(node, branchJob, processor) {
    const job = processor.findBranchParentJob(branchJob, node);
    if (branchJob.status === import_constants.JOB_STATUS.RESOLVED) {
      return job;
    }
    return processor.exit(branchJob.status);
  }
}
var ConditionInstruction_default = ConditionInstruction;
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  BRANCH_INDEX,
  ConditionInstruction,
  calculators
});