57 lines
2.8 KiB
JavaScript
57 lines
2.8 KiB
JavaScript
import { array } from './array.js';
|
|
import { getOrCreateLowerAlphaArbitrary, getOrCreateLowerAlphaNumericArbitrary, } from './_internals/builders/CharacterRangeArbitraryBuilder.js';
|
|
import { option } from './option.js';
|
|
import { string } from './string.js';
|
|
import { tuple } from './tuple.js';
|
|
import { filterInvalidSubdomainLabel } from './_internals/helpers/InvalidSubdomainLabelFiIter.js';
|
|
import { resolveSize, relativeSizeToSize } from './_internals/helpers/MaxLengthFromMinLength.js';
|
|
import { adapter } from './_internals/AdapterArbitrary.js';
|
|
import { safeJoin, safeSlice, safeSplit, safeSubstring } from '../utils/globals.js';
|
|
function toSubdomainLabelMapper([f, d]) {
|
|
return d === null ? f : `${f}${d[0]}${d[1]}`;
|
|
}
|
|
function toSubdomainLabelUnmapper(value) {
|
|
if (typeof value !== 'string' || value.length === 0) {
|
|
throw new Error('Unsupported');
|
|
}
|
|
if (value.length === 1) {
|
|
return [value[0], null];
|
|
}
|
|
return [value[0], [safeSubstring(value, 1, value.length - 1), value[value.length - 1]]];
|
|
}
|
|
function subdomainLabel(size) {
|
|
const alphaNumericArb = getOrCreateLowerAlphaNumericArbitrary('');
|
|
const alphaNumericHyphenArb = getOrCreateLowerAlphaNumericArbitrary('-');
|
|
return tuple(alphaNumericArb, option(tuple(string({ unit: alphaNumericHyphenArb, size, maxLength: 61 }), alphaNumericArb)))
|
|
.map(toSubdomainLabelMapper, toSubdomainLabelUnmapper)
|
|
.filter(filterInvalidSubdomainLabel);
|
|
}
|
|
function labelsMapper(elements) {
|
|
return `${safeJoin(elements[0], '.')}.${elements[1]}`;
|
|
}
|
|
function labelsUnmapper(value) {
|
|
if (typeof value !== 'string') {
|
|
throw new Error('Unsupported type');
|
|
}
|
|
const lastDotIndex = value.lastIndexOf('.');
|
|
return [safeSplit(safeSubstring(value, 0, lastDotIndex), '.'), safeSubstring(value, lastDotIndex + 1)];
|
|
}
|
|
function labelsAdapter(labels) {
|
|
const [subDomains, suffix] = labels;
|
|
let lengthNotIncludingIndex = suffix.length;
|
|
for (let index = 0; index !== subDomains.length; ++index) {
|
|
lengthNotIncludingIndex += 1 + subDomains[index].length;
|
|
if (lengthNotIncludingIndex > 255) {
|
|
return { adapted: true, value: [safeSlice(subDomains, 0, index), suffix] };
|
|
}
|
|
}
|
|
return { adapted: false, value: labels };
|
|
}
|
|
export function domain(constraints = {}) {
|
|
const resolvedSize = resolveSize(constraints.size);
|
|
const resolvedSizeMinusOne = relativeSizeToSize('-1', resolvedSize);
|
|
const lowerAlphaArb = getOrCreateLowerAlphaArbitrary();
|
|
const publicSuffixArb = string({ unit: lowerAlphaArb, minLength: 2, maxLength: 63, size: resolvedSizeMinusOne });
|
|
return (adapter(tuple(array(subdomainLabel(resolvedSize), { size: resolvedSizeMinusOne, minLength: 1, maxLength: 127 }), publicSuffixArb), labelsAdapter).map(labelsMapper, labelsUnmapper));
|
|
}
|