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| 'use strict';
| module.exports = {
| wrap: wrapRange,
| limit: limitRange,
| validate: validateRange,
| test: testRange,
| curry: curry,
| name: name
| };
|
| function wrapRange(min, max, value) {
| var maxLessMin = max - min;
| return ((value - min) % maxLessMin + maxLessMin) % maxLessMin + min;
| }
|
| function limitRange(min, max, value) {
| return Math.max(min, Math.min(max, value));
| }
|
| function validateRange(min, max, value, minExclusive, maxExclusive) {
| if (!testRange(min, max, value, minExclusive, maxExclusive)) {
| throw new Error(value + ' is outside of range [' + min + ',' + max + ')');
| }
| return value;
| }
|
| function testRange(min, max, value, minExclusive, maxExclusive) {
| return !(
| value < min ||
| value > max ||
| (maxExclusive && (value === max)) ||
| (minExclusive && (value === min))
| );
| }
|
| function name(min, max, minExcl, maxExcl) {
| return (minExcl ? '(' : '[') + min + ',' + max + (maxExcl ? ')' : ']');
| }
|
| function curry(min, max, minExclusive, maxExclusive) {
| var boundNameFn = name.bind(null, min, max, minExclusive, maxExclusive);
| return {
| wrap: wrapRange.bind(null, min, max),
| limit: limitRange.bind(null, min, max),
| validate: function(value) {
| return validateRange(min, max, value, minExclusive, maxExclusive);
| },
| test: function(value) {
| return testRange(min, max, value, minExclusive, maxExclusive);
| },
| toString: boundNameFn,
| name: boundNameFn
| };
| }
|
|
