access.js 1.2 KB

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  1. define( [
  2. "../core"
  3. ], function( jQuery ) {
  4. // Multifunctional method to get and set values of a collection
  5. // The value/s can optionally be executed if it's a function
  6. var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
  7. var i = 0,
  8. len = elems.length,
  9. bulk = key == null;
  10. // Sets many values
  11. if ( jQuery.type( key ) === "object" ) {
  12. chainable = true;
  13. for ( i in key ) {
  14. access( elems, fn, i, key[ i ], true, emptyGet, raw );
  15. }
  16. // Sets one value
  17. } else if ( value !== undefined ) {
  18. chainable = true;
  19. if ( !jQuery.isFunction( value ) ) {
  20. raw = true;
  21. }
  22. if ( bulk ) {
  23. // Bulk operations run against the entire set
  24. if ( raw ) {
  25. fn.call( elems, value );
  26. fn = null;
  27. // ...except when executing function values
  28. } else {
  29. bulk = fn;
  30. fn = function( elem, key, value ) {
  31. return bulk.call( jQuery( elem ), value );
  32. };
  33. }
  34. }
  35. if ( fn ) {
  36. for ( ; i < len; i++ ) {
  37. fn(
  38. elems[ i ], key, raw ?
  39. value :
  40. value.call( elems[ i ], i, fn( elems[ i ], key ) )
  41. );
  42. }
  43. }
  44. }
  45. return chainable ?
  46. elems :
  47. // Gets
  48. bulk ?
  49. fn.call( elems ) :
  50. len ? fn( elems[ 0 ], key ) : emptyGet;
  51. };
  52. return access;
  53. } );