window.requirejs.config( {
paths : {
d3 :
'https://d3js.org/d3.v5.min'
}
} );
// A tool that ensures D3 is loaded, creates an SVG in which it can
// operate, and then calls the callback that can use D3 as it pleases.
//
// This is also therefore a very primitive visualization tool.
window.VisualizationTools.d3 =
function ( element, json, callback ) {
var container = document.createElement(
'div' );
element.appendChild( container );
require( [
'd3' ],
function ( d3 ) {
// for some reason, this works, but actually constructing it
// with document.createElement() doesn't. no idea why.
container.innerHTML =
'<svg></svg>';
var svg = container.childNodes[
0];
callback( element, svg );
} );
};
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