27 lines
708 B
JavaScript
27 lines
708 B
JavaScript
OV.ExternalLibLocation = null;
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OV.LoadedExternalLibs = {};
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OV.LoadExternalLibrary = function (libName, callbacks)
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{
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if (OV.ExternalLibLocation === null) {
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callbacks.error ();
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return;
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}
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if (OV.LoadedExternalLibs[libName] !== undefined) {
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callbacks.success ();
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return;
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}
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let scriptElement = document.createElement ('script');
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scriptElement.type = 'text/javascript';
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scriptElement.src = OV.ExternalLibLocation + '/' + libName;
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scriptElement.onload = function () {
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callbacks.success ();
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OV.LoadedExternalLibs[libName] = true;
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};
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scriptElement.onerror = callbacks.error;
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document.head.appendChild (scriptElement);
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};
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