typescript#forEachChild TypeScript Examples

The following examples show how to use typescript#forEachChild. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: dangerfile.ts    From autocomplete with MIT License 6 votes vote down vote up 
getFileContent = (fileContent: Node) => {
  const scripts: string[] = [];
  const functions: [string, string][] = [];
  const pairs: [string, [string, string]][] = [];
  const urls: string[] = [];
  let isLastScript = false;
  let lastScript: string;

  const visitor = (node: Node) => {
    if (isStringLiteral(node)) {
      const text = node.text;
      if (URL_REGEXP.test(text)) {
        const matches = text.match(URL_REGEXP);
        urls.push(matches[0]);
      }
    }
    if (isTemplateExpression(node)) {
      const text = fileContent.getFullText().slice(node.pos, node.end);
      if (URL_REGEXP.test(text)) {
        const matches = text.match(URL_REGEXP);
        urls.push(matches[0]);
      }
    }
    // PropertyAssignment === Key-Value pair in object
    if (isPropertyAssignment(node)) {
      const propertyKey: string = (node.name as any).escapedText;
      // Find all scripts
      if (propertyKey === "script" && isStringLiteral(node.initializer)) {
        scripts.push(node.initializer.text);
        lastScript = node.initializer.text;
        isLastScript = true;
      }

      // Find all functions
      if (isFunctionExpression(node.initializer)) {
        if (isLastScript) {
          scripts.pop();
          pairs.push([
            lastScript,
            [
              propertyKey,
              fileContent
                .getFullText()
                .slice(node.initializer.pos, node.initializer.end),
            ],
          ]);
        } else {
          functions.push([
            propertyKey,
            fileContent
              .getFullText()
              .slice(node.initializer.pos, node.initializer.end),
          ]);
        }
      }
    }
    forEachChild(node, visitor);
  };

  visitor(fileContent);

  return {
    scripts,
    functions,
    pairs,
    urls,
  };
}