@commodo/fields/onSet.js

Enables defining rich data models by decorating function instances with specified model fields. Additionally, it adds `populate` and `validate` methods, for populating model instances with data, and then validating it, respectively.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _repropose = require("repropose");

function isPromise(value) {
  return Boolean(value && typeof value.then === "function");
}

const onSet = callback => {
  return (0, _repropose.withProps)(props => {
    const {
      setValue
    } = props;
    return {
      setValue(value) {
        const newValue = callback(value);

        if (isPromise(newValue)) {
          throw new Error(`A promise was returned from the "onSet" callback (applied on the "${props.name}" field). Provided callbacks cannot perform async operations.`);
        }

        return setValue.call(this, newValue);
      }

    };
  });
};

var _default = onSet;
exports.default = _default;
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