BufferGeometry with alpha custom blending

BufferGeometry.js

particlesGeometry.current = new THREE.BufferGeometry()
    particlesGeometry.current.addAttribute('position', new THREE.Float32BufferAttribute(positions.current, 3).setDynamic( true ))
    particlesGeometry.current.addAttribute('color', new THREE.Float32BufferAttribute(colorBuffer, 3).setDynamic( true ))

    const loader = new THREE.TextureLoader()
    const texture = loader.load(lensflare)
    texture.premultiplyAlpha = false
    texture.needsUpdate = true

    const blendSrc = { name: 'SrcAlpha', constant: THREE.SrcAlphaFactor }
    const blendDst = { name: 'DstAlpha', constant: THREE.DstAlphaFactor }
  
    const material = new THREE.PointsMaterial({
      map: texture,
      size: 2,
      vertexColors: THREE.VertexColors,
      sizeAttenuation: true,
      blending: THREE.CustomBlending,
      blendSrc: blendSrc.constant,
      blendDst: blendDst.constant,
      blendEquation: THREE.AddEquation,
      transparent: true,
      depthTest: false
    })  
            
    const mesh = new THREE.Points( particlesGeometry.current, material )