@visx/vendor
Version:
vendored packages for visx
27 lines (26 loc) • 1.05 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = rank;
var _ascending = _interopRequireDefault(require("./ascending.js"));
var _sort = require("./sort.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function rank(values, valueof = _ascending.default) {
if (typeof values[Symbol.iterator] !== "function") throw new TypeError("values is not iterable");
let V = Array.from(values);
const R = new Float64Array(V.length);
if (valueof.length !== 2) V = V.map(valueof), valueof = _ascending.default;
const compareIndex = (i, j) => valueof(V[i], V[j]);
let k, r;
Uint32Array.from(V, (_, i) => i).sort(valueof === _ascending.default ? (i, j) => (0, _sort.ascendingDefined)(V[i], V[j]) : (0, _sort.compareDefined)(compareIndex)).forEach((j, i) => {
const c = compareIndex(j, k === undefined ? j : k);
if (c >= 0) {
if (k === undefined || c > 0) k = j, r = i;
R[j] = r;
} else {
R[j] = NaN;
}
});
return R;
}