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import {ticks, tickIncrement} from "d3-array";
import continuous, {copy} from "./continuous.js";
import {initRange} from "./init.js";
import tickFormat from "./tickFormat.js";
export function linearish(scale) {
var domain = scale.domain;
scale.ticks = function(count) {
var d = domain();
return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
};
scale.tickFormat = function(count, specifier) {
var d = domain();
return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier);
};
scale.nice = function(count) {
if (count == null) count = 10;
var d = domain();
var i0 = 0;
var i1 = d.length - 1;
var start = d[i0];
var stop = d[i1];
var prestep;
var step;
var maxIter = 10;
if (stop < start) {
step = start, start = stop, stop = step;
step = i0, i0 = i1, i1 = step;
}
while (maxIter-- > 0) {
step = tickIncrement(start, stop, count);
if (step === prestep) {
d[i0] = start
d[i1] = stop
return domain(d);
} else if (step > 0) {
start = Math.floor(start / step) * step;
stop = Math.ceil(stop / step) * step;
} else if (step < 0) {
start = Math.ceil(start * step) / step;
stop = Math.floor(stop * step) / step;
} else {
break;
}
prestep = step;
}
return scale;
};
return scale;
}
export default function linear() {
var scale = continuous();
scale.copy = function() {
return copy(scale, linear());
};
initRange.apply(scale, arguments);
return linearish(scale);
}
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