@dillonkearns/elm-graphql/examples/src/subscription/node_modules/flow-static-land/lib/Ord.js

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'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.stringOrd = exports.numberOrd = exports.booleanOrd = undefined;
exports.toNativeComparator = toNativeComparator;
exports.unsafeCompare = unsafeCompare;
exports.lessThan = lessThan;
exports.greaterThan = greaterThan;
exports.lessThanOrEq = lessThanOrEq;
exports.greaterThanOrEq = greaterThanOrEq;
exports.min = min;
exports.max = max;
exports.clamp = clamp;
exports.between = between;

var _Setoid = require('./Setoid');

function toNativeComparator(compare) {
  return function (x, y) {
    var c = compare(x, y);
    return c === 'GT' ? 1 : c === 'EQ' ? 0 : -1;
  };
}
function unsafeCompare(x, y) {
  return x < y ? 'LT' : x > y ? 'GT' : 'EQ';
}

var booleanOrd = exports.booleanOrd = Object.assign({}, {
  compare: unsafeCompare
}, _Setoid.booleanSetoid);

var numberOrd = exports.numberOrd = Object.assign({}, {
  compare: unsafeCompare
}, _Setoid.numberSetoid);

var stringOrd = exports.stringOrd = Object.assign({}, {
  compare: unsafeCompare
}, _Setoid.stringSetoid);

function lessThan(ord, x, y) {
  return ord.compare(x, y) === 'LT';
}

function greaterThan(ord, x, y) {
  return ord.compare(x, y) === 'GT';
}

function lessThanOrEq(ord, x, y) {
  return ord.compare(x, y) !== 'GT';
}

function greaterThanOrEq(ord, x, y) {
  return ord.compare(x, y) !== 'LT';
}

function min(ord, x, y) {
  return ord.compare(x, y) === 'GT' ? y : x;
}

function max(ord, x, y) {
  return ord.compare(x, y) === 'LT' ? y : x;
}

function clamp(ord, low, hi, x) {
  return min(ord, hi, max(ord, low, x));
}

function between(ord, low, hi, x) {
  return lessThan(ord, x, low) || greaterThan(ord, x, hi) ? false : true;
}