| 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = band;
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| 7 | exports.point = point;
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| 8 | var _index = require("../../../lib-vendor/d3-array/src/index.js");
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| 9 | var _init = require("./init.js");
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| 10 | var _ordinal = _interopRequireDefault(require("./ordinal.js"));
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| 11 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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| 12 | function band() {
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| 13 | var scale = (0, _ordinal.default)().unknown(undefined),
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| 14 | domain = scale.domain,
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| 15 | ordinalRange = scale.range,
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| 16 | r0 = 0,
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| 17 | r1 = 1,
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| 18 | step,
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| 19 | bandwidth,
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| 20 | round = false,
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| 21 | paddingInner = 0,
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| 22 | paddingOuter = 0,
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| 23 | align = 0.5;
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| 24 | delete scale.unknown;
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| 25 | function rescale() {
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| 26 | var n = domain().length,
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| 27 | reverse = r1 < r0,
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| 28 | start = reverse ? r1 : r0,
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| 29 | stop = reverse ? r0 : r1;
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| 30 | step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2);
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| 31 | if (round) step = Math.floor(step);
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| 32 | start += (stop - start - step * (n - paddingInner)) * align;
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| 33 | bandwidth = step * (1 - paddingInner);
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| 34 | if (round) start = Math.round(start), bandwidth = Math.round(bandwidth);
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| 35 | var values = (0, _index.range)(n).map(function (i) {
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| 36 | return start + step * i;
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| 37 | });
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| 38 | return ordinalRange(reverse ? values.reverse() : values);
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| 39 | }
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| 40 | scale.domain = function (_) {
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| 41 | return arguments.length ? (domain(_), rescale()) : domain();
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| 42 | };
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| 43 | scale.range = function (_) {
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| 44 | return arguments.length ? ([r0, r1] = _, r0 = +r0, r1 = +r1, rescale()) : [r0, r1];
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| 45 | };
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| 46 | scale.rangeRound = function (_) {
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| 47 | return [r0, r1] = _, r0 = +r0, r1 = +r1, round = true, rescale();
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| 48 | };
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| 49 | scale.bandwidth = function () {
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| 50 | return bandwidth;
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| 51 | };
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| 52 | scale.step = function () {
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| 53 | return step;
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| 54 | };
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| 55 | scale.round = function (_) {
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| 56 | return arguments.length ? (round = !!_, rescale()) : round;
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| 57 | };
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| 58 | scale.padding = function (_) {
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| 59 | return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner;
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| 60 | };
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| 61 | scale.paddingInner = function (_) {
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| 62 | return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner;
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| 63 | };
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| 64 | scale.paddingOuter = function (_) {
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| 65 | return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter;
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| 66 | };
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| 67 | scale.align = function (_) {
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| 68 | return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align;
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| 69 | };
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| 70 | scale.copy = function () {
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| 71 | return band(domain(), [r0, r1]).round(round).paddingInner(paddingInner).paddingOuter(paddingOuter).align(align);
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| 72 | };
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| 73 | return _init.initRange.apply(rescale(), arguments);
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| 74 | }
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| 75 | function pointish(scale) {
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| 76 | var copy = scale.copy;
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| 77 | scale.padding = scale.paddingOuter;
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| 78 | delete scale.paddingInner;
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| 79 | delete scale.paddingOuter;
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| 80 | scale.copy = function () {
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| 81 | return pointish(copy());
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| 82 | };
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| 83 | return scale;
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| 84 | }
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| 85 | function point() {
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| 86 | return pointish(band.apply(null, arguments).paddingInner(1));
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| 87 | } |
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