ngx-cookie
Version:
Implementation of Angular 1.x $cookies service to Angular
115 lines • 15.7 kB
JavaScript
export function isNil(obj) {
return obj === undefined || obj === null;
}
export function isPresent(obj) {
return !isNil(obj);
}
export function isString(obj) {
return typeof obj === 'string';
}
// noinspection JSUnusedGlobalSymbols
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function isEmpty(value) {
if (isNil(value)) {
return true;
}
if (value === {}) {
return true;
}
if (isString(value) && value.length === 0) {
return true;
}
if (Array.isArray(value) && value.length === 0) {
return true;
}
if (typeof value !== 'boolean' && !value) {
return true;
}
// noinspection RedundantIfStatementJS
if (typeof value === 'object' && Object.keys(value).length === 0 && value.constructor === Object) {
return true;
}
return false;
}
export function mergeOptions(oldOptions, newOptions) {
if (!newOptions) {
return oldOptions;
}
return {
path: isPresent(newOptions.path) ? newOptions.path : oldOptions.path,
domain: isPresent(newOptions.domain) ? newOptions.domain : oldOptions.domain,
expires: isPresent(newOptions.expires) ? newOptions.expires : oldOptions.expires,
secure: isPresent(newOptions.secure) ? newOptions.secure : oldOptions.secure,
sameSite: isPresent(newOptions.sameSite) ? newOptions.sameSite : oldOptions.sameSite,
httpOnly: isPresent(newOptions.httpOnly) ? newOptions.httpOnly : oldOptions.httpOnly,
storeUnencoded: isPresent(newOptions.storeUnencoded) ? newOptions.storeUnencoded : oldOptions.storeUnencoded
};
}
export function parseCookieString(currentCookieString) {
let lastCookies = {};
let lastCookieString = '';
let cookieArray;
let cookie;
let i;
let index;
let name;
if (currentCookieString !== lastCookieString) {
lastCookieString = currentCookieString;
cookieArray = lastCookieString.split(';');
lastCookies = {};
for (i = 0; i < cookieArray.length; i++) {
cookie = cookieArray[i];
index = cookie.indexOf('=');
if (index > 0) { // ignore nameless cookies
name = safeDecodeURIComponent((cookie.substring(0, index)).trim());
// the first value that is seen for a cookie is the most
// specific one. values for the same cookie name that
// follow are for less specific paths.
if (isNil((lastCookies)[name])) {
lastCookies[name] = safeDecodeURIComponent((cookie.substring(index + 1)).trim());
}
}
}
}
return lastCookies;
}
export function buildCookieString(name, value, options) {
let expires = options?.expires;
let val;
if (isNil(value)) {
expires = 'Thu, 01 Jan 1970 00:00:00 GMT';
val = '';
}
else {
val = value;
}
if (isString(expires)) {
expires = new Date(expires);
}
const cookieValue = options?.storeUnencoded ? value : encodeURIComponent(val);
let str = encodeURIComponent(name) + '=' + cookieValue;
str += options?.path ? ';path=' + options.path : '';
str += options?.domain ? ';domain=' + options.domain : '';
str += expires ? ';expires=' + expires.toUTCString() : '';
str += options?.sameSite ? '; SameSite=' + options.sameSite : '';
str += options?.secure ? ';secure' : '';
str += options?.httpOnly ? '; HttpOnly' : '';
// per http://www.ietf.org/rfc/rfc2109.txt browser must allow at minimum:
// - 300 cookies
// - 20 cookies per unique domain
// - 4096 bytes per cookie
const cookieLength = str.length + 1;
if (cookieLength > 4096) {
console.log('Cookie \'' + name + '\' possibly not set or overflowed because it was too large (' + cookieLength + ' > 4096 bytes)!');
}
return str;
}
export function safeDecodeURIComponent(str) {
try {
return decodeURIComponent(str);
}
catch (e) {
return str;
}
}
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{ CookieDict, CookieOptions } from './cookie.model';\n\ntype EmptyArray = never[] & { length: 0 };\ntype EmptyObject = Record<any, never>;\n\nexport function isNil(obj: unknown): obj is undefined | null {\n  return obj === undefined || obj === null;\n}\n\nexport function isPresent(obj: unknown): obj is Exclude<typeof obj, undefined | null> {\n  return !isNil(obj);\n}\n\nexport function isString(obj: unknown): obj is string {\n  return typeof obj === 'string';\n}\n\n// noinspection JSUnusedGlobalSymbols\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nexport function isEmpty(value: unknown): value is undefined | null | '' | EmptyArray | EmptyObject {\n  if (isNil(value)) {\n    return true;\n  }\n  if (value === {}) {\n    return true;\n  }\n  if (isString(value) && value.length === 0) {\n    return true;\n  }\n  if (Array.isArray(value) && value.length === 0) {\n    return true;\n  }\n  if (typeof value !== 'boolean' && !value) {\n    return true;\n  }\n  // noinspection RedundantIfStatementJS\n  if (typeof value === 'object' && Object.keys(value).length === 0 && value.constructor === Object) {\n    return true;\n  }\n  return false;\n}\n\nexport function mergeOptions(oldOptions: CookieOptions, newOptions?: CookieOptions): CookieOptions {\n  if (!newOptions) {\n    return oldOptions;\n  }\n  return {\n    path: isPresent(newOptions.path) ? newOptions.path : oldOptions.path,\n    domain: isPresent(newOptions.domain) ? newOptions.domain : oldOptions.domain,\n    expires: isPresent(newOptions.expires) ? newOptions.expires : oldOptions.expires,\n    secure: isPresent(newOptions.secure) ? newOptions.secure : oldOptions.secure,\n    sameSite: isPresent(newOptions.sameSite) ? newOptions.sameSite : oldOptions.sameSite,\n    httpOnly: isPresent(newOptions.httpOnly) ? newOptions.httpOnly : oldOptions.httpOnly,\n    storeUnencoded: isPresent(newOptions.storeUnencoded) ? newOptions.storeUnencoded : oldOptions.storeUnencoded\n  };\n}\n\nexport function parseCookieString(currentCookieString: string): CookieDict {\n  let lastCookies: CookieDict = {};\n  let lastCookieString = '';\n  let cookieArray: string[];\n  let cookie: string;\n  let i: number;\n  let index: number;\n  let name: string;\n  if (currentCookieString !== lastCookieString) {\n    lastCookieString = currentCookieString;\n    cookieArray = lastCookieString.split(';');\n    lastCookies = {};\n    for (i = 0; i < cookieArray.length; i++) {\n      cookie = cookieArray[i];\n      index = cookie.indexOf('=');\n      if (index > 0) {  // ignore nameless cookies\n        name = safeDecodeURIComponent((cookie.substring(0, index)).trim());\n        // the first value that is seen for a cookie is the most\n        // specific one.  values for the same cookie name that\n        // follow are for less specific paths.\n        if (isNil((lastCookies)[name])) {\n          lastCookies[name] = safeDecodeURIComponent((cookie.substring(index + 1)).trim());\n        }\n      }\n    }\n  }\n  return lastCookies;\n}\n\nexport function buildCookieString(name: string, value: string | undefined, options?: CookieOptions): string {\n  let expires: string | Date | undefined = options?.expires;\n  let val: string;\n  if (isNil(value)) {\n    expires = 'Thu, 01 Jan 1970 00:00:00 GMT';\n    val = '';\n  } else {\n    val = value as string;\n  }\n  if (isString(expires)) {\n    expires = new Date(expires);\n  }\n  const cookieValue = options?.storeUnencoded ? value : encodeURIComponent(val);\n  let str = encodeURIComponent(name) + '=' + cookieValue;\n  str += options?.path ? ';path=' + options.path : '';\n  str += options?.domain ? ';domain=' + options.domain : '';\n  str += expires ? ';expires=' + expires.toUTCString() : '';\n  str += options?.sameSite ? '; SameSite=' + options.sameSite : '';\n  str += options?.secure ? ';secure' : '';\n  str += options?.httpOnly ? '; HttpOnly' : '';\n\n  // per http://www.ietf.org/rfc/rfc2109.txt browser must allow at minimum:\n  // - 300 cookies\n  // - 20 cookies per unique domain\n  // - 4096 bytes per cookie\n  const cookieLength = str.length + 1;\n  if (cookieLength > 4096) {\n    console.log('Cookie \\'' + name + '\\' possibly not set or overflowed because it was too large (' + cookieLength + ' > 4096 bytes)!');\n  }\n  return str;\n}\n\nexport function safeDecodeURIComponent(str: string): string {\n  try {\n    return decodeURIComponent(str);\n  } catch (e) {\n    return str;\n  }\n}\n"]}