Limiting the length of parameters in an Angular directive

Is there a character limit for the parameter being sent to this directive? I'm encountering an issue with my code:

header = JSON.stringify(header);
columnObj = JSON.stringify(columnObj);
$compile('<div column-filter-sort header=' + header + ' columnobj=' +     columnObj + '></div>')(scope);

Directive:

a.directive('columnFilterSort', function () {
return {
    link: function (scope, elem, attrs) {
        var columnObj = JSON.parse(attrs.columnobj);
        var header = JSON.parse(attrs.header);
}
});

The variable columnObj appears correct, but there is an issue when parsing var header = JSON.parse(attrs.header); Upon inspecting var header, it seems incomplete. The error message suggests: SyntaxError: Unexpected end of input at Object.parse (native)

I would appreciate any assistance.

Thank you

Answer №1

To start, make the following changes to your compilation:

$compile('<column-sort-filter header="' + header + '" columnobject="' +     columnObject + '"></div>')(scope);

Next, update the directive as follows:

a.directive('columnSortFilter', function () {
return {
    restrict: 'E',
    scope: {
            'header' : '=',
            'columnobject' : '='
         },
    link: function (scope, element, attributes) {
        var columnObject = JSON.parse(scope.columnobject);
        var header = JSON.parse(scope.header);
}
});

Following these steps should resolve any issues. For further clarification, refer to this post how to pass a json as a string param to a directive

Additionally, you have the option to pass the JSON to the global scope in the initial JavaScript section and access it without employing an isolated scope within the directive.

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