条件渲染不适用于样式组件

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我有这个带有一些属性的React组件，并且我希望样式仅在该属性具有值的情况下才能应用，我尝试了如下操作：

export const Text = ({text, color, size, fontFamily}) => {

    const StyledParagraph = styled.p`
        margin: 0;
        font-size: ${props => props.size !== undefined ? props.size : '1.3em'};
    `;

    const textProps = {
        text: [text],
        color: [color],
        size: [size],
        fontFamily: [fontFamily],
    }

    return (
        <StyledParagraph {...textProps}>{text}</StyledParagraph>
    )
}

我这样称呼它：

<Text text="some text"/>

I'm not passing the property size, so I want the font-size to be the default value I specified (font-size: ${props => props.size !== undefined ? props.size : '1.3em'})

但是，这不起作用。我在这里想念什么？提前致谢。

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你无可取代
你无可取代

you have incorrectly defined the value for textProps. By using [], you have made each property into an array which is why it doesn't work when you try to use it in styled-component

如下使用

const textProps = {
    text: text,
    color: color,
    size: size,
    fontFamily: fontFamily,
}
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