text: import getShaderName from './get-shader-name';
  import getShaderTypeName from './get-shader-type-name';
  export default function formatGLSLCompilerError(errLog, src, shaderType) {
    const {
      shaderName,
      errors,
      warnings
    } = parseGLSLCompilerError(errLog, src, shaderType);
    return "GLSL compilation error in ".concat(shaderName, "\n\n").concat(errors, "\n").concat(warnings);
  }
  export function parseGLSLCompilerError(errLog, src, shaderType, shaderName) {
    const errorStrings = errLog.split(/\r?\n/);
    const errors = {};
    const warnings = {};
    const name = shaderName || getShaderName(src) || '(unnamed)';
    const shaderDescription = "".concat(getShaderTypeName(shaderType), " shader ").concat(name);
  
    for (let i = 0; i < errorStrings.length; i++) {
      const errorString = errorStrings[i];
  
      if (errorString.length <= 1) {
        continue;
      }
  
      const segments = errorString.split(':');
      const type = segments[0];
      const line = parseInt(segments[2], 10);
  
      if (isNaN(line)) {
        throw new Error("GLSL compilation error in ".concat(shaderDescription, ": ").concat(errLog));
      }
  
      if (type !== 'WARNING') {
        errors[line] = errorString;
      } else {
        warnings[line] = errorString;
      }
    }
  
    const lines = addLineNumbers(src);
    return {
      shaderName: shaderDescription,
      errors: formatErrors(errors, lines),
      warnings: formatErrors(warnings, lines)
    };
  }
  
  function formatErrors(errors, lines) {
    let message = '';
  
    for (let i = 0; i < lines.length; i++) {
      const line = lines[i];
  
      if (!errors[i + 3] && !errors[i + 2] && !errors[i + 1]) {
        continue;
      }
  
      message += "".concat(line, "\n");
  
      if (errors[i + 1]) {
        const error = errors[i + 1];
        const segments = error.split(':', 3);
        const type = segments[0];
        const column = parseInt(segments[1], 10) || 0;
        const err = error.substring(segments.join(':').length + 1).trim();
        message += padLeft("^^^ ".concat(type, ": ").concat(err, "\n\n"), column);
      }
    }
  
    return message;
  }
  
  function addLineNumbers(string, start = 1, delim = ': ') {
    const lines = string.split(/\r?\n/);
    const maxDigits = String(lines.length + start - 1).length;
    return lines.map((line, i) => {
      const lineNumber = i + start;
      const digits = String(lineNumber).length;
      const prefix = padLeft(lineNumber, maxDigits - digits);
      return prefix + delim + line;
    });
  }
  
  function padLeft(string, digits) {
    let result = '';
  
    for (let i = 0; i < digits; ++i) {
      result += ' ';
    }
  
    return "".concat(result).concat(string);
  }
  //# sourceMappingURL=format-glsl-error.js.map