NN2022100801/addons/admin/node_modules/@antv/scale/lib/util/interval.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var util_1 = require("@antv/util");
function snapMultiple(v, base, snapType) {
    var div;
    if (snapType === 'ceil') {
        div = Math.ceil(v / base);
    }
    else if (snapType === 'floor') {
        div = Math.floor(v / base);
    }
    else {
        div = Math.round(v / base);
    }
    return div * base;
}
function intervalTicks(min, max, interval) {
    // 变成 interval 的倍数
    var minTick = snapMultiple(min, interval, 'floor');
    var maxTick = snapMultiple(max, interval, 'ceil');
    // 统一小数位数
    minTick = (0, util_1.fixedBase)(minTick, interval);
    maxTick = (0, util_1.fixedBase)(maxTick, interval);
    var ticks = [];
    for (var i = minTick; i <= maxTick; i = i + interval) {
        var tickValue = (0, util_1.fixedBase)(i, interval); // 防止浮点数加法出现问题
        ticks.push(tickValue);
    }
    return {
        min: minTick,
        max: maxTick,
        ticks: ticks
    };
}
exports.default = intervalTicks;
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