github.com/MontFerret/ferret@v0.18.0/pkg/stdlib/html/wait_attr.go (about)

     1  package html
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/MontFerret/ferret/pkg/drivers"
     7  	"github.com/MontFerret/ferret/pkg/runtime/core"
     8  	"github.com/MontFerret/ferret/pkg/runtime/values"
     9  	"github.com/MontFerret/ferret/pkg/runtime/values/types"
    10  )
    11  
    12  // WAIT_ATTR waits until a target attribute's value appears
    13  // @param {HTMLPage | HTMLDocument | HTMLElement} node - Target html node.
    14  // @param {String} attrNameOrSelector - String of an attr name or CSS selector.
    15  // @param {String | Any} attrValueOrAttrName - Attr value or name.
    16  // @param {Any | Int} [attrValueOrTimeout] - Attr value or a timeout.
    17  // @param {Int} [timeout=5000] - Wait timeout.
    18  func WaitAttribute(ctx context.Context, args ...core.Value) (core.Value, error) {
    19  	return waitAttributeWhen(ctx, args, drivers.WaitEventPresence)
    20  }
    21  
    22  // WAIT_NO_ATTR waits until a target attribute's value disappears
    23  // @param {HTMLPage | HTMLDocument | HTMLElement} node - Target html node.
    24  // @param {String} attrNameOrSelector - String of an attr name or CSS selector.
    25  // @param {String | Any} attrValueOrAttrName - Attr value or name.
    26  // @param {Any | Int} [attrValueOrTimeout] - Attr value or wait timeout.
    27  // @param {Int} [timeout=5000] - Wait timeout.
    28  func WaitNoAttribute(ctx context.Context, args ...core.Value) (core.Value, error) {
    29  	return waitAttributeWhen(ctx, args, drivers.WaitEventAbsence)
    30  }
    31  
    32  func waitAttributeWhen(ctx context.Context, args []core.Value, when drivers.WaitEvent) (core.Value, error) {
    33  	err := core.ValidateArgs(args, 3, 5)
    34  
    35  	if err != nil {
    36  		return values.None, err
    37  	}
    38  
    39  	// document or element
    40  	arg1 := args[0]
    41  	err = core.ValidateType(arg1, drivers.HTMLPageType, drivers.HTMLDocumentType, drivers.HTMLElementType)
    42  
    43  	if err != nil {
    44  		return values.None, err
    45  	}
    46  
    47  	timeout := values.NewInt(drivers.DefaultWaitTimeout)
    48  
    49  	// if a document is passed
    50  	// WAIT_ATTR(doc, selector, attrName, attrValue, timeout)
    51  	if arg1.Type() == drivers.HTMLPageType || arg1.Type() == drivers.HTMLDocumentType {
    52  		// revalidate args with more accurate amount
    53  		err := core.ValidateArgs(args, 4, 5)
    54  
    55  		if err != nil {
    56  			return values.None, err
    57  		}
    58  
    59  		// attr name
    60  		err = core.ValidateType(args[2], types.String)
    61  
    62  		if err != nil {
    63  			return values.None, err
    64  		}
    65  
    66  		el, err := drivers.ToElement(arg1)
    67  
    68  		if err != nil {
    69  			return values.None, err
    70  		}
    71  
    72  		selector, err := drivers.ToQuerySelector(args[1])
    73  
    74  		if err != nil {
    75  			return values.None, err
    76  		}
    77  
    78  		name := args[2].(values.String)
    79  		value := values.ToString(args[3])
    80  
    81  		if len(args) == 5 {
    82  			err = core.ValidateType(args[4], types.Int)
    83  
    84  			if err != nil {
    85  				return values.None, err
    86  			}
    87  
    88  			timeout = args[4].(values.Int)
    89  		}
    90  
    91  		ctx, fn := waitTimeout(ctx, timeout)
    92  		defer fn()
    93  
    94  		return values.True, el.WaitForAttributeBySelector(ctx, selector, name, value, when)
    95  	}
    96  
    97  	el := arg1.(drivers.HTMLElement)
    98  	name := args[1].(values.String)
    99  	value := args[2]
   100  
   101  	if len(args) == 4 {
   102  		err = core.ValidateType(args[3], types.Int)
   103  
   104  		if err != nil {
   105  			return values.None, err
   106  		}
   107  
   108  		timeout = args[3].(values.Int)
   109  	}
   110  
   111  	ctx, fn := waitTimeout(ctx, timeout)
   112  	defer fn()
   113  
   114  	return values.True, el.WaitForAttribute(ctx, name, value, when)
   115  }