function populateImageSeeds()

in website/src/MapPage/map.js [192:224]
30 lines of code
3 McCabe index (conditional complexity)

    function populateImageSeeds(paintingIds){
        const imageToSeedUrl = "https://mmlsparkdemo.blob.core.windows.net/met/inverted/biggan1/seeds/";
        var prealloc = [];
        paintingIds.forEach(function (id, i) {
            prealloc[i] = { latents: [], labels: [] };
            prealloc[i].latents = new Array(140).fill(0);
            prealloc[i].labels = new Array(1000).fill(0);
            stateHolder.setState({ images: prealloc });
        });

        paintingIds.forEach(function (id, i) {
            const Http = new XMLHttpRequest();
            Http.open("GET", imageToSeedUrl + id + ".json");
            Http.send();
            Http.onreadystatechange = (e) => {
                if (Http.readyState === 4) {
                    try {
                        const response = JSON.parse(Http.responseText);
                        const imagesString = JSON.stringify(stateHolder.state.images);
                        const imagesCopy = JSON.parse(imagesString);

                        imagesCopy[i] = { latents: [], labels: [] };
                        imagesCopy[i].latents = response.latents;
                        imagesCopy[i].labels = response.labels;

                        stateHolder.setState({ images: imagesCopy });
                    } catch {
                        console.log('malformed request:' + Http.responseText);
                    }
                }
            }
        })
    }