@mui/x-charts/ChartsText/defaultTextPlacement.js

The community edition of MUI X Charts components.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getDefaultBaseline = getDefaultBaseline;
exports.getDefaultTextAnchor = getDefaultTextAnchor;
var _clampAngle = require("../internals/clampAngle");
/**
 * Provide the text-anchor based on the angle between the text and the associated element.
 * - 0 means the element is on top of the text, 180 bellow, and 90 on the right of the text.
 * @param {number} angle The angle between the text and the element.
 * @returns
 */
function getDefaultTextAnchor(angle) {
  const adjustedAngle = (0, _clampAngle.clampAngle)(angle);
  if (adjustedAngle <= 30 || adjustedAngle >= 330) {
    // +/-30° around 0°
    return 'middle';
  }
  if (adjustedAngle <= 210 && adjustedAngle >= 150) {
    // +/-30° around 180°
    return 'middle';
  }
  if (adjustedAngle <= 180) {
    return 'end';
  }
  return 'start';
}
function getDefaultBaseline(angle) {
  const adjustedAngle = (0, _clampAngle.clampAngle)(angle);
  if (adjustedAngle <= 30 || adjustedAngle >= 330) {
    // +/-60° around 0°
    return 'hanging';
  }
  if (adjustedAngle <= 210 && adjustedAngle >= 150) {
    // +/-60° around 180°
    return 'auto';
  }
  return 'central';
}