@wopjs/cast

Filter types from unknown.

Install

npm add @wopjs/cast

Usage

import * as c from "@wopjs/cast";
import { Option } from "@wopjs/tsur";

const dataParser = {
  width: c.toNumber,
  position: a => Option.from(a, a => a && c.isNumber(a.x) && c.isNumber(a.y)),
  metadata: c.toNonEmptyPlainObject,
};

function parseData(data) {
  const d = c.asObject(data);
  return Object.fromEntries(Object.keys(dataParser).map(k => [k, Option.unwrapOr(dataParser[k](d[k]))]));
}

Publish New Version

You can use npm version to bump version.

npm version patch

Push the tag to remote and CI will publish the new version to npm.

git push --follow-tags

CI Publish

If you want to publish the package in CI, you need to set the NPM_TOKEN secrets in GitHub repository settings. See how to create a NPM access token.