| Path : /var/www/html/transfersh/SecureShareMail/node_modules/d3-scale/src/ |
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| Current File : /var/www/html/transfersh/SecureShareMail/node_modules/d3-scale/src/quantile.js |
import {ascending, bisect, quantileSorted as threshold} from "d3-array";
import {initRange} from "./init.js";
export default function quantile() {
var domain = [],
range = [],
thresholds = [],
unknown;
function rescale() {
var i = 0, n = Math.max(1, range.length);
thresholds = new Array(n - 1);
while (++i < n) thresholds[i - 1] = threshold(domain, i / n);
return scale;
}
function scale(x) {
return x == null || isNaN(x = +x) ? unknown : range[bisect(thresholds, x)];
}
scale.invertExtent = function(y) {
var i = range.indexOf(y);
return i < 0 ? [NaN, NaN] : [
i > 0 ? thresholds[i - 1] : domain[0],
i < thresholds.length ? thresholds[i] : domain[domain.length - 1]
];
};
scale.domain = function(_) {
if (!arguments.length) return domain.slice();
domain = [];
for (let d of _) if (d != null && !isNaN(d = +d)) domain.push(d);
domain.sort(ascending);
return rescale();
};
scale.range = function(_) {
return arguments.length ? (range = Array.from(_), rescale()) : range.slice();
};
scale.unknown = function(_) {
return arguments.length ? (unknown = _, scale) : unknown;
};
scale.quantiles = function() {
return thresholds.slice();
};
scale.copy = function() {
return quantile()
.domain(domain)
.range(range)
.unknown(unknown);
};
return initRange.apply(scale, arguments);
}