geocode.js

// address é o endereço na coluna location, geoData é o mapa de Abila (Abila.geojson) carregado com a função d3.json

let extractFename = st => st.split(" ")[st.split(" ").length - 2];
let streetExtent = p => d3.extent([p.FRADDL, p.FRADDR, p.TOADDL, p.TOADDR])
        
function geocode(address, geoData) {
    let isCorner = address.split("/").length > 1;
    let coords = [];

    if (isCorner) {
        let streetNames = address.split("/").map(d => d.trim());
        let streets = [];
        for (let st of streetNames) {
            streets.push(geoData.features
                            .filter(d => d.properties.FENAME !== null)
                            .filter(d => d.properties.FENAME == extractFename(st)))
        }
        let street0Coords = streets[0].map(s => s.geometry.coordinates).flat();
        let street1Coords = streets[1].map(s => s.geometry.coordinates).flat();

        for (let coords0 of street0Coords) {
            for (let coords1 of street1Coords) {
                if (coords0[0] == coords1[0] & coords0[1] == coords1[1]) {
                    coords = coords0;
                }
            }
        }
    } else {
        let ad = address.split(" ").map(d => d.trim())
        let number = +ad[0]
        let name = ad[ad.length - 2]
        let streets = geoData.features
                    .filter(d => d.properties.FENAME !== null)
                    .filter(d => d.properties.FENAME.includes(name))
        for (let st of streets) {
            let stExtent = streetExtent(st.properties)
            if (number >= stExtent[0] && number <= stExtent[1]) {
                let longExtent = st.geometry.coordinates.map(d => d[0]);
                let latExtent = st.geometry.coordinates.map(d => d[1]);

                let parser = d3.scaleLinear()
                    .range([[longExtent[0],latExtent[0]], [longExtent[1],latExtent[1]]])
                    .domain(stExtent)
                
                coords = parser(number)
            }
        }
    }
    return coords;
}