index.js
function normalize(gj) {
    if (!gj || !gj.type) return null;
    var type = types[gj.type];
    if (!type) return null;

    if (type === 'geometry') {
        return {
            type: 'FeatureCollection',
            features: [{
                type: 'Feature',
                properties: {},
                geometry: gj
            }]
        };
    } else if (type === 'feature') {
        return {
            type: 'FeatureCollection',
            features: [gj]
        };
    } else if (type === 'featurecollection') {
        return gj;
    }
}
function normalize(gj) {
    if (!gj || !gj.type) return null;
    var type = types[gj.type];
    if (!type) return null;

    if (type === 'geometry') {
        return {
            type: 'FeatureCollection',
            features: [{
                type: 'Feature',
                properties: {},
                geometry: gj
            }]
        };
    } else if (type === 'feature') {
        return {
            type: 'FeatureCollection',
            features: [gj]
        };
    } else if (type === 'featurecollection') {
        return gj;
    }
}
function normalize ( gj ) { if ( ! gj || ! gj . type ) return null ; var type = types [ gj . type ] ; if ( ! type ) return null ; if ( type === 'geometry' ) { return { type : 'FeatureCollection' , features : [ { type : 'Feature' , properties : { } , geometry : gj } ] } ; } else if ( type === 'feature' ) { return { type : 'FeatureCollection' , features : [ gj ] } ; } else if ( type === 'featurecollection' ) { return gj ; } }
Normalize a GeoJSON feature into a FeatureCollection.

@param {object} gj geojson data
@returns {object} normalized geojson data
Normalize a GeoJSON feature into a FeatureCollection .