@babel/types#isJSXIdentifier TypeScript Examples

The following examples show how to use @babel/types#isJSXIdentifier. 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: index.ts    From tailchat with GNU General Public License v3.0 5 votes vote down vote up 
export default function sourceRef(): Plugin {
  return {
    name: 'source-ref',
    transform(code, id) {
      const filepath = id;

      const ast = parse(code, {
        sourceType: 'module',
        plugins: ['jsx', 'typescript'],
      });

      traverse(ast, {
        JSXOpeningElement(path) {
          const location = path.node.loc;
          if (!location) {
            return;
          }

          if (Array.isArray(location)) {
            return;
          }

          const name = path.node.name;
          if (isJSXIdentifier(name) && name.name === 'Fragment') {
            return;
          }
          if (
            isJSXMemberExpression(name) &&
            name.property.name === 'Fragment'
          ) {
            return;
          }

          const line = location.start.line;
          const col = location.start.column;

          const attrs = path.node.attributes;
          for (let i = 0; i < attrs.length; i++) {
            const attr = attrs[i];
            if (attr.type === 'JSXAttribute' && attr.name.name === TRACE_ID) {
              // existed
              return;
            }
          }

          const traceId = `${filepath}:${line}:${col}`;

          attrs.push(
            jsxAttribute(jsxIdentifier(TRACE_ID), stringLiteral(traceId))
          );
        },
      });

      const res = generate(ast);

      return { code: res.code, map: res.map };
    },
  };
}
Example #2
Source File: index.ts    From tailchat with GNU General Public License v3.0 5 votes vote down vote up 
async function loader(this: LoaderContext<any>, source: string): Promise<void> {
  const done = this.async();

  const { available } = this.getOptions();
  if (!available) {
    // skip if not
    done(null, source);
    return;
  }

  const ast = parse(source, {
    sourceType: 'module',
    plugins: ['jsx', 'typescript'],
  });
  const filepath = this.resourcePath;
  if (filepath.includes('node_modules')) {
    done(null, source);
    return;
  }

  traverse(ast, {
    JSXOpeningElement(path) {
      const location = path.node.loc;
      if (!location) {
        return;
      }

      if (Array.isArray(location)) {
        return;
      }

      const name = path.node.name;
      if (isJSXIdentifier(name) && name.name === 'Fragment') {
        return;
      }
      if (isJSXMemberExpression(name) && name.property.name === 'Fragment') {
        return;
      }

      const line = location.start.line;
      const col = location.start.column;

      const attrs = path.node.attributes;
      for (let i = 0; i < attrs.length; i++) {
        const attr = attrs[i];
        if (attr.type === 'JSXAttribute' && attr.name.name === TRACE_ID) {
          // existed
          return;
        }
      }

      const traceId = `${filepath}:${line}:${col}`;

      attrs.push(jsxAttribute(jsxIdentifier(TRACE_ID), stringLiteral(traceId)));
    },
  });

  const code = generate(ast).code;

  done(null, code);
}