Function getLabelText

src/label/labelStyle.ts:145–190

(
    opt: SetLabelStyleOpt<TLabelDataIndex>,
    stateModels: LabelStatesModels<LabelModel>,
    interpolatedValue?: InterpolatableValue
)

}

function getLabelText<TLabelDataIndex>(
    opt: SetLabelStyleOpt<TLabelDataIndex>,
    stateModels: LabelStatesModels<LabelModel>,
    interpolatedValue?: InterpolatableValue
): Record<DisplayState, string> {
    const labelFetcher = opt.labelFetcher;
    const labelDataIndex = opt.labelDataIndex;
    const labelDimIndex = opt.labelDimIndex;
    const normalModel = stateModels.normal;
    let baseText;
    if (labelFetcher) {
        baseText = labelFetcher.getFormattedLabel(
            labelDataIndex, 'normal',
            null,
            labelDimIndex,
            normalModel && normalModel.get('formatter'),
            interpolatedValue != null ? {
                interpolatedValue
            } : null
        );
    }
    if (baseText == null) {
        baseText = isFunction(opt.defaultText)
            ? opt.defaultText(labelDataIndex, opt, interpolatedValue)
            : opt.defaultText;
    }

    const statesText = {
        normal: baseText
    } as Record<DisplayState, string>;

    for (let i = 0; i < SPECIAL_STATES.length; i++) {
        const stateName = SPECIAL_STATES[i];
        const stateModel = stateModels[stateName];
        statesText[stateName] = retrieve2(labelFetcher
            ? labelFetcher.getFormattedLabel(
                labelDataIndex,
                stateName,
                null,
                labelDimIndex,
                stateModel && stateModel.get('formatter')
            )
            : null, baseText);
    }
    return statesText;
}
/**
 * Set normal styles and emphasis styles about text on target element
 * If target is a ZRText. It will create a new style object.