Implementing Highcharts in AngularJS with dynamic variables directly in the code (leveraging Pablojim's Highchart-ng library)

Currently, I am utilizing the Highchart charting library in conjunction with AngularJS by employing Pablojim's 'Highchart-ng' module. The setup is correct, and the following code functions as expected:

<highchart config="{
    type    : 'line',
    series  : [{
        name    : 'Visitors', 
        data    : [1, 4, 10, 3]
    }]
}"></highchart>

However,

<highchart config="{
    type    : 'line',
    series  : [{
        name    : 'Visitors', 
        data    : {{visitors}}
    }]
}"></highchart>

does not produce the desired outcome. (please take note of the difference within the 'data')

An error that consistently arises is:

Error: [$parse:syntax] Syntax Error: Token 'visitors' is unexpected, anticipating [:] at column 122 of the expression [{
    type    : 'line',
    series  : [{
        name    : 'Visitors', 
        data    : {{visitors}}
    }]
}] starting at [visitors}}
    }]
}].

Important to mention: The variable {{visitors}} has been correctly set up in my controller, and when utilized in my template, the data functions effectively. Furthermore, it previously worked flawlessly with my former charting library, Flot.

I have attempted numerous solutions:

  • In certain situations, I can bypass this (initialization) issue by including something like
    ng-repeat="data in visitors | limitTo: 1"
    to the directive, so it initializes solely once the variable is accessible (this method proved successful with Flot and EasyPieCharts).
  • Integrating ui-refresh="visitors" did not yield results,
  • and data: {{visitors || 0}} did not resolve the issue either.

Therefore, how may I effectively incorporate variables directly within my template files?

Answer №1

If you want to experiment, you can attempt the following:

<highchart config="{
    type    : 'line',
    series  : [{
        name    : 'Visitors', 
        data    : visitors
    }]
}"></highchart>

Consider using it as a variable.


Alternatively,


Add this to your ng-controller:

$scope.config = { 
    options: { 
        chart: { type: 'bar' } 
    }, 
    series: [{ 
        data: visitors 
    }], 
    title: { text: 'Hello' }, 
    loading: false } 

Then insert the following in your HTML:

<highchart config="config"></highchart>

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