shapefile
Version:
An implementation of the shapefile (.shp) spatial data format.
25 lines (22 loc) • 650 B
JavaScript
import readBoolean from "./boolean";
import readDate from "./date";
import readNumber from "./number";
import readString from "./string";
var types = {
B: readNumber,
C: readString,
D: readDate,
F: readNumber,
L: readBoolean,
M: readNumber,
N: readNumber
};
export default function() {
var that = this, i = 1;
return that._source.slice(that._recordLength).then(function(value) {
return value && (value[0] !== 0x1a) ? {done: false, value: that._fields.reduce(function(p, f) {
p[f.name] = types[f.type](that._decode(value.subarray(i, i += f.length)));
return p;
}, {})} : {done: true, value: undefined};
});
}