Method resizeHandlePath

src/base/coordinate-grid-mixin.js:1099–1111

(d)

    // borrowed from Crossfilter example
    resizeHandlePath (d) {
        d = d.type;
        const e = +(d === 'e'), x = e ? 1 : -1, y = this.effectiveHeight() / 3;
        return `M${0.5 * x},${y 
        }A6,6 0 0 ${e} ${6.5 * x},${y + 6 
        }V${2 * y - 6 
        }A6,6 0 0 ${e} ${0.5 * x},${2 * y 
        }Z` +
            `M${2.5 * x},${y + 8 
            }V${2 * y - 8 
            }M${4.5 * x},${y + 8 
            }V${2 * y - 8}`;
    }

    _getClipPathId () {
        return `${this.anchorName().replace(/[ .#=\[\]"]/g, '-')}-clip`;