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gossamer

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Web Platform and ECMAScript API bindings for Gleam's JavaScript target

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gossamer src utils option.ffi.mjs
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src/utils/option.ffi.mjs 

// src/utils/option.ffi.ts

import {

  Option$isNone,

  Option$None,

  Option$Some,

  Option$Some$0

} from "../../gleam_stdlib/gleam/option.mjs";

function toOption(value) {

  return value === null || value === void 0 ? Option$None() : Option$Some(value);

}

function optionToValue(option) {

  return Option$isNone(option) ? void 0 : Option$Some$0(option);

}

function mapOption(value, transform) {

  return value === null || value === void 0 ? Option$None() : Option$Some(transform(value));

}

function setIfSome(target, key, option) {

  if (Option$isNone(option)) return;

  target[key] = Option$Some$0(option);

}

function mapIfSome(target, key, option, transform) {

  if (Option$isNone(option)) return;

  target[key] = transform(Option$Some$0(option));

}

export {

  mapIfSome,

  mapOption,

  optionToValue,

  setIfSome,

  toOption

};