@animech-public/playcanvas/build/playcanvas.dbg/src/scene/shader-lib/chunk-builder.js

PlayCanvas WebGL game engine

// helper class for combining shader chunks together
// ensures every chunk ends with a new line otherwise shaders can be ill-formed
class ChunkBuilder {
  constructor() {
    this.code = '';
  }
  append(...chunks) {
    chunks.forEach(chunk => {
      if (chunk.endsWith('\n')) {
        this.code += chunk;
      } else {
        this.code += `${chunk}\n`;
      }
    });
  }
  prepend(...chunks) {
    chunks.forEach(chunk => {
      if (chunk.endsWith('\n')) {
        this.code = chunk + this.code;
      } else {
        this.code = `${chunk}\n${this.code}`;
      }
    });
  }
}

export { ChunkBuilder };