luhn-generator
Version:
A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
348 lines (323 loc) • 11.9 kB
JavaScript
;
// TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`
require('../modules/es.array.iterator');
var $ = require('../internals/export');
var getBuiltIn = require('../internals/get-built-in');
var USE_NATIVE_URL = require('../internals/native-url');
var redefine = require('../internals/redefine');
var redefineAll = require('../internals/redefine-all');
var setToStringTag = require('../internals/set-to-string-tag');
var createIteratorConstructor = require('../internals/create-iterator-constructor');
var InternalStateModule = require('../internals/internal-state');
var anInstance = require('../internals/an-instance');
var hasOwn = require('../internals/has');
var bind = require('../internals/function-bind-context');
var classof = require('../internals/classof');
var anObject = require('../internals/an-object');
var isObject = require('../internals/is-object');
var create = require('../internals/object-create');
var createPropertyDescriptor = require('../internals/create-property-descriptor');
var getIterator = require('../internals/get-iterator');
var getIteratorMethod = require('../internals/get-iterator-method');
var wellKnownSymbol = require('../internals/well-known-symbol');
var $fetch = getBuiltIn('fetch');
var Headers = getBuiltIn('Headers');
var ITERATOR = wellKnownSymbol('iterator');
var URL_SEARCH_PARAMS = 'URLSearchParams';
var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
var setInternalState = InternalStateModule.set;
var getInternalParamsState = InternalStateModule.getterFor(URL_SEARCH_PARAMS);
var getInternalIteratorState = InternalStateModule.getterFor(URL_SEARCH_PARAMS_ITERATOR);
var plus = /\+/g;
var sequences = Array(4);
var percentSequence = function (bytes) {
return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
};
var percentDecode = function (sequence) {
try {
return decodeURIComponent(sequence);
} catch (error) {
return sequence;
}
};
var deserialize = function (it) {
var result = it.replace(plus, ' ');
var bytes = 4;
try {
return decodeURIComponent(result);
} catch (error) {
while (bytes) {
result = result.replace(percentSequence(bytes--), percentDecode);
}
return result;
}
};
var find = /[!'()~]|%20/g;
var replace = {
'!': '%21',
"'": '%27',
'(': '%28',
')': '%29',
'~': '%7E',
'%20': '+'
};
var replacer = function (match) {
return replace[match];
};
var serialize = function (it) {
return encodeURIComponent(it).replace(find, replacer);
};
var parseSearchParams = function (result, query) {
if (query) {
var attributes = query.split('&');
var index = 0;
var attribute, entry;
while (index < attributes.length) {
attribute = attributes[index++];
if (attribute.length) {
entry = attribute.split('=');
result.push({
key: deserialize(entry.shift()),
value: deserialize(entry.join('='))
});
}
}
}
};
var updateSearchParams = function (query) {
this.entries.length = 0;
parseSearchParams(this.entries, query);
};
var validateArgumentsLength = function (passed, required) {
if (passed < required) throw TypeError('Not enough arguments');
};
var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
setInternalState(this, {
type: URL_SEARCH_PARAMS_ITERATOR,
iterator: getIterator(getInternalParamsState(params).entries),
kind: kind
});
}, 'Iterator', function next() {
var state = getInternalIteratorState(this);
var kind = state.kind;
var step = state.iterator.next();
var entry = step.value;
if (!step.done) {
step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];
} return step;
});
// `URLSearchParams` constructor
// https://url.spec.whatwg.org/#interface-urlsearchparams
var URLSearchParamsConstructor = function URLSearchParams(/* init */) {
anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
var init = arguments.length > 0 ? arguments[0] : undefined;
var that = this;
var entries = [];
var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;
setInternalState(that, {
type: URL_SEARCH_PARAMS,
entries: entries,
updateURL: function () { /* empty */ },
updateSearchParams: updateSearchParams
});
if (init !== undefined) {
if (isObject(init)) {
iteratorMethod = getIteratorMethod(init);
if (typeof iteratorMethod === 'function') {
iterator = iteratorMethod.call(init);
next = iterator.next;
while (!(step = next.call(iterator)).done) {
entryIterator = getIterator(anObject(step.value));
entryNext = entryIterator.next;
if (
(first = entryNext.call(entryIterator)).done ||
(second = entryNext.call(entryIterator)).done ||
!entryNext.call(entryIterator).done
) throw TypeError('Expected sequence with length 2');
entries.push({ key: first.value + '', value: second.value + '' });
}
} else for (key in init) if (hasOwn(init, key)) entries.push({ key: key, value: init[key] + '' });
} else {
parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
}
}
};
var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;
redefineAll(URLSearchParamsPrototype, {
// `URLSearchParams.prototype.append` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-append
append: function append(name, value) {
validateArgumentsLength(arguments.length, 2);
var state = getInternalParamsState(this);
state.entries.push({ key: name + '', value: value + '' });
state.updateURL();
},
// `URLSearchParams.prototype.delete` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-delete
'delete': function (name) {
validateArgumentsLength(arguments.length, 1);
var state = getInternalParamsState(this);
var entries = state.entries;
var key = name + '';
var index = 0;
while (index < entries.length) {
if (entries[index].key === key) entries.splice(index, 1);
else index++;
}
state.updateURL();
},
// `URLSearchParams.prototype.get` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-get
get: function get(name) {
validateArgumentsLength(arguments.length, 1);
var entries = getInternalParamsState(this).entries;
var key = name + '';
var index = 0;
for (; index < entries.length; index++) {
if (entries[index].key === key) return entries[index].value;
}
return null;
},
// `URLSearchParams.prototype.getAll` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-getall
getAll: function getAll(name) {
validateArgumentsLength(arguments.length, 1);
var entries = getInternalParamsState(this).entries;
var key = name + '';
var result = [];
var index = 0;
for (; index < entries.length; index++) {
if (entries[index].key === key) result.push(entries[index].value);
}
return result;
},
// `URLSearchParams.prototype.has` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-has
has: function has(name) {
validateArgumentsLength(arguments.length, 1);
var entries = getInternalParamsState(this).entries;
var key = name + '';
var index = 0;
while (index < entries.length) {
if (entries[index++].key === key) return true;
}
return false;
},
// `URLSearchParams.prototype.set` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-set
set: function set(name, value) {
validateArgumentsLength(arguments.length, 1);
var state = getInternalParamsState(this);
var entries = state.entries;
var found = false;
var key = name + '';
var val = value + '';
var index = 0;
var entry;
for (; index < entries.length; index++) {
entry = entries[index];
if (entry.key === key) {
if (found) entries.splice(index--, 1);
else {
found = true;
entry.value = val;
}
}
}
if (!found) entries.push({ key: key, value: val });
state.updateURL();
},
// `URLSearchParams.prototype.sort` method
// https://url.spec.whatwg.org/#dom-urlsearchparams-sort
sort: function sort() {
var state = getInternalParamsState(this);
var entries = state.entries;
// Array#sort is not stable in some engines
var slice = entries.slice();
var entry, entriesIndex, sliceIndex;
entries.length = 0;
for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
entry = slice[sliceIndex];
for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
if (entries[entriesIndex].key > entry.key) {
entries.splice(entriesIndex, 0, entry);
break;
}
}
if (entriesIndex === sliceIndex) entries.push(entry);
}
state.updateURL();
},
// `URLSearchParams.prototype.forEach` method
forEach: function forEach(callback /* , thisArg */) {
var entries = getInternalParamsState(this).entries;
var boundFunction = bind(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
var index = 0;
var entry;
while (index < entries.length) {
entry = entries[index++];
boundFunction(entry.value, entry.key, this);
}
},
// `URLSearchParams.prototype.keys` method
keys: function keys() {
return new URLSearchParamsIterator(this, 'keys');
},
// `URLSearchParams.prototype.values` method
values: function values() {
return new URLSearchParamsIterator(this, 'values');
},
// `URLSearchParams.prototype.entries` method
entries: function entries() {
return new URLSearchParamsIterator(this, 'entries');
}
}, { enumerable: true });
// `URLSearchParams.prototype[@@iterator]` method
redefine(URLSearchParamsPrototype, ITERATOR, URLSearchParamsPrototype.entries);
// `URLSearchParams.prototype.toString` method
// https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
redefine(URLSearchParamsPrototype, 'toString', function toString() {
var entries = getInternalParamsState(this).entries;
var result = [];
var index = 0;
var entry;
while (index < entries.length) {
entry = entries[index++];
result.push(serialize(entry.key) + '=' + serialize(entry.value));
} return result.join('&');
}, { enumerable: true });
setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);
$({ global: true, forced: !USE_NATIVE_URL }, {
URLSearchParams: URLSearchParamsConstructor
});
// Wrap `fetch` for correct work with polyfilled `URLSearchParams`
// https://github.com/zloirock/core-js/issues/674
if (!USE_NATIVE_URL && typeof $fetch == 'function' && typeof Headers == 'function') {
$({ global: true, enumerable: true, forced: true }, {
fetch: function fetch(input /* , init */) {
var args = [input];
var init, body, headers;
if (arguments.length > 1) {
init = arguments[1];
if (isObject(init)) {
body = init.body;
if (classof(body) === URL_SEARCH_PARAMS) {
headers = init.headers ? new Headers(init.headers) : new Headers();
if (!headers.has('content-type')) {
headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
}
init = create(init, {
body: createPropertyDescriptor(0, String(body)),
headers: createPropertyDescriptor(0, headers)
});
}
}
args.push(init);
} return $fetch.apply(this, args);
}
});
}
module.exports = {
URLSearchParams: URLSearchParamsConstructor,
getState: getInternalParamsState
};