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import {bisect} from "d3-array";
import {slice} from "./array";
import {linearish} from "./linear";

export default function quantize() {
  var x0 = 0,
      x1 = 1,
      n = 1,
      domain = [0.5],
      range = [0, 1];

function scale(x) {
    if (x <= x) return range[bisect(domain, x, 0, n)];
  }

function rescale() {
    var i = -1;
    domain = new Array(n);
    while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);
    return scale;
  }

scale.domain = function(_) {
    return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1];
  };

scale.range = function(_) {
    return arguments.length ? (n = (range = slice.call(_)).length - 1, rescale()) : range.slice();
  };

scale.invertExtent = function(y) {
    var i = range.indexOf(y);
    return i < 0 ? [NaN, NaN]
        : i < 1 ? [x0, domain[0]]
        : i >= n ? [domain[n - 1], x1]
        : [domain[i - 1], domain[i]];
  };

scale.copy = function() {
    return quantize()
        .domain([x0, x1])
        .range(range);
  };

return linearish(scale);
}

/home/emeraadmin/www/node_modules/react-virtualized/../path-parse/../d3-scale/src/quantize.js