Atom language spec generator

spec-multi-php.js

// paste into Init Script (.js) in Atom
function specBuild(code, skipSpaces = true) {
  const _escape = (str) => str.replace(/\\/g, '\\\\');

  code = code.replace(/^\s*\n|\n\s*$/g, '');

  let tokens = atom.grammars.grammarForScopeName('source.php').tokenizeLines(code);
  let spec = `it 'should tokenize ... correctly', ->\n  `;

  if ((code.match(/\n/g) || []).length) {
    code = `\n    ${code.replace(/\n/g, '\n    ')}\n  `;
  }

  const multiLine = tokens.length > 1;

  spec += multiLine
    ? `lines = grammar.tokenizeLines '''${_escape(code)}'''\n\n`
    : `{tokens} = grammar.tokenizeLine '${_escape(code).replace(/'/g,"\\'")}'\n\n`;

  for (let i in tokens) {
    for (let j in tokens[i]) {
      const {scopes, value} = tokens[i][j];
      if (skipSpaces && /^\s*$/.test(value))
        continue;
      let scopesList = JSON.stringify(scopes).replace(/","/g, "', '").replace(/"/g, "'");
      let index = multiLine ? `lines[${i}][${j}]` : `tokens[${j}]`;

      spec += `  expect(${index}).toEqual value: '${_escape(value).replace(/'/g,"\\'")}', scopes: ${scopesList}\n`
    }
  }

  return `\n${spec}\n`;
}

// // Run in Developer Tools Console:
// specBuild('function() : \\Client {}');
// // or
// specBuild(`function() : \\Client {
//   return 2;
// }`);
// // or
// specBuild(`
// function() : \\Client {
//   return 2;
// }`);
// // be careful with indentations

spec-pretty.js

// paste into Init Script (.js) in Atom
function specPretty(code) {
  const _escape = (str) => str.replace(/\\/g, '\\\\');

  let grammar = atom.grammars.grammarForScopeName('source.php');
  let tokens = grammar.tokenizeLine(code).tokens;
  let spec = `Test code: \`${_escape(code)}\`\n\n`;

  for (let i in tokens) {
    let scopes = JSON.stringify(tokens[i].scopes);
    scopes = scopes.replace(/","/g, '" "').replace(/"/g, '`').replace(/\[|\]/g, '');

    spec += `${i}: \`${_escape(tokens[i].value)}\` scopes: ${scopes}\n`
  }

  return spec;
}

// // Run in Developer Tools Console:
// specPretty('function() : \\Client {}');