Function eachKeyOnAxis

src/coord/axisStatistics.ts:319–335

(
    axis: Axis,
    cb: (axisStatKey: AxisStatKey) => void
)

 * by the given axis.
 */
export function eachKeyOnAxis(
    axis: Axis,
    cb: (axisStatKey: AxisStatKey) => void
): void {
    if (__DEV__) {
        validateInputAxis(axis);
    }
    const model = axis.model;
    const keysByAxisModelUid = ecModelCacheFullUpdateInner(getCachePerECFullUpdate(model.ecModel)).keys;
    keysByAxisModelUid && each(keysByAxisModelUid.get(model.uid), function (axisStatKey) {
        if (__DEV__) {
            const stat = getAxisStatPerKeyPerAxis(axis, axisStatKey);
            assert(stat && stat.sers.length > 0); // This is to avoid irrelevant `AxisStatKey` to enter `cb`.
        }
        cb(axisStatKey);
    });
}

/**
 * NOTICE: this processor may be omitted - it is registered only if required.