Method extractJSXAttribute

compiler/companion/src/JSXProcessor.ts:1430–1467

(
    attribute: ts.Node,
    output: JSXOutputState,
    transformContext: ts.TransformationContext,
  )

  }

  private extractJSXAttribute(
    attribute: ts.Node,
    output: JSXOutputState,
    transformContext: ts.TransformationContext,
  ): JSXAttribute {
    const children = attribute.getChildren();
    if (!children.length) {
      this.onError(attribute, 'Could not resolve JSX attribute');
    }

    this.checkNodeKind(children[0], ts.SyntaxKind.Identifier);
    if (children.length != 1 && children.length !== 3) {
      this.onError(attribute, `Should have 1 or 3 tokens (got ${children.length})`);
    }

    const name = children[0].getText();

    if (name.indexOf('-') >= 0) {
      this.onError(attribute, `JSX attributes cannot contain dashes`);
    }

    let value: JSXAttributeValue;

    if (children.length === 3) {
      value = this.getJSXAttributeValue(children[2], output);
    } else {
      value = {
        value: transformContext.factory.createTrue(),
        kind: JSXAttributeValueKind.static,
      };
    }

    return {
      node: attribute,
      name,
      value,
    };
  }

  private extractJSXSpreadAttribute(node: ts.Node): JSXAttributeValue {
    const children = node.getChildren();