react-native-svg/src/elements/Line.tsx

import * as React from 'react';
import { extract, stringifyPropsForFabric } from '../lib/extract/extractProps';
import type { CommonPathProps, NumberProp } from '../lib/extract/types';
import Shape from './Shape';
import RNSVGLine from '../fabric/LineNativeComponent';
import type { NativeMethods } from 'react-native';

export interface LineProps extends CommonPathProps {
  opacity?: NumberProp;
  x1?: NumberProp;
  x2?: NumberProp;
  y1?: NumberProp;
  y2?: NumberProp;
}

export default class Line extends Shape<LineProps> {
  static displayName = 'Line';

  static defaultProps = {
    x1: 0,
    y1: 0,
    x2: 0,
    y2: 0,
  };

  render() {
    const { props } = this;
    const { x1, y1, x2, y2 } = props;
    const lineProps = {
      ...extract(this, props),
      ...stringifyPropsForFabric({ x1, y1, x2, y2 }),
    };
    return (
      <RNSVGLine
        ref={(ref) => this.refMethod(ref as (Line & NativeMethods) | null)}
        {...lineProps}
      />
    );
  }
}