You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

118 lines
2.9 KiB

  1. const toString = Object.prototype.toString;
  2. export function is(val: unknown, type: string) {
  3. return toString.call(val) === `[object ${type}]`;
  4. }
  5. export function isDef<T = unknown>(val?: T): val is T {
  6. return typeof val !== "undefined";
  7. }
  8. export function isUnDef<T = unknown>(val?: T): val is T {
  9. return !isDef(val);
  10. }
  11. export function isObject(val: any): val is Record<any, any> {
  12. return val !== null && is(val, "Object");
  13. }
  14. export function isEmpty<T = unknown>(val: T): val is T {
  15. if (isArray(val) || isString(val)) {
  16. return val.length === 0;
  17. }
  18. if (val instanceof Map || val instanceof Set) {
  19. return val.size === 0;
  20. }
  21. if (isObject(val)) {
  22. return Object.keys(val).length === 0;
  23. }
  24. return false;
  25. }
  26. export function isDate(val: unknown): val is Date {
  27. return is(val, "Date");
  28. }
  29. export function isNull(val: unknown): val is null {
  30. return val === null;
  31. }
  32. export function isNullAndUnDef(val: unknown): val is null | undefined {
  33. return isUnDef(val) && isNull(val);
  34. }
  35. export function isNullOrUnDef(val: unknown): val is null | undefined {
  36. return isUnDef(val) || isNull(val);
  37. }
  38. export function isNumber(val: unknown): val is number {
  39. return is(val, "Number");
  40. }
  41. export function isPromise<T = any>(val: unknown): val is Promise<T> {
  42. return (
  43. is(val, "Promise") &&
  44. isObject(val) &&
  45. isFunction(val.then) &&
  46. isFunction(val.catch)
  47. );
  48. }
  49. export function isString(val: unknown): val is string {
  50. return is(val, "String");
  51. }
  52. export function isFunction(val: unknown): val is Function {
  53. return typeof val === "function";
  54. }
  55. export function isBoolean(val: unknown): val is boolean {
  56. return is(val, "Boolean");
  57. }
  58. export function isRegExp(val: unknown): val is RegExp {
  59. return is(val, "RegExp");
  60. }
  61. export function isArray(val: any): val is Array<any> {
  62. return val && Array.isArray(val);
  63. }
  64. export function isWindow(val: any): val is Window {
  65. return typeof window !== "undefined" && is(val, "Window");
  66. }
  67. export function isElement(val: unknown): val is Element {
  68. return isObject(val) && !!val.tagName;
  69. }
  70. export const isServer = typeof window === "undefined";
  71. export const isClient = !isServer;
  72. /** url链接正则 */
  73. export function isUrl<T>(value: T): boolean {
  74. const reg =
  75. // eslint-disable-next-line no-useless-escape
  76. /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/;
  77. // @ts-expect-error
  78. return reg.test(value);
  79. }
  80. /** 手机号码正则 */
  81. export function isPhone<T>(value: T): boolean {
  82. const reg =
  83. /^[1](([3][0-9])|([4][0,1,4-9])|([5][0-3,5-9])|([6][2,5,6,7])|([7][0-8])|([8][0-9])|([9][0-3,5-9]))[0-9]{8}$/;
  84. // @ts-expect-error
  85. return reg.test(value);
  86. }
  87. /** 邮箱正则 */
  88. export function isEmail<T>(value: T): boolean {
  89. const reg = /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/;
  90. // @ts-expect-error
  91. return reg.test(value);
  92. }