printInstructionValue() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts lines 355–721

export function printInstructionValue(instrValue: ReactiveValue): string {
  let value = '';
  switch (instrValue.kind) {
    case 'ArrayExpression': {
      value = `Array [${instrValue.elements
        .map(element => {
          if (element.kind === 'Identifier') {
            return printPlace(element);
          } else if (element.kind === 'Hole') {
            return printHole();
          } else {
            return `...${printPlace(element.place)}`;
          }
        })
        .join(', ')}]`;
      break;
    }
    case 'ObjectExpression': {
      const properties = [];
      if (instrValue.properties !== null) {
        for (const property of instrValue.properties) {
          if (property.kind === 'ObjectProperty') {
            properties.push(
              `${printObjectPropertyKey(property.key)}: ${printPlace(
                property.place,
              )}`,
            );
          } else {
            properties.push(`...${printPlace(property.place)}`);
          }
        }
      }
      value = `Object { ${properties.join(', ')} }`;
      break;
    }
    case 'UnaryExpression': {
      value = `Unary ${printPlace(instrValue.value)}`;
      break;
    }
    case 'BinaryExpression': {
      value = `Binary ${printPlace(instrValue.left)} ${
        instrValue.operator
      } ${printPlace(instrValue.right)}`;
      break;
    }
    case 'NewExpression': {
      value = `New ${printPlace(instrValue.callee)}(${instrValue.args
        .map(arg => printPattern(arg))
        .join(', ')})`;
      break;
    }
    case 'CallExpression': {
      value = `Call ${printPlace(instrValue.callee)}(${instrValue.args
        .map(arg => printPattern(arg))
        .join(', ')})`;
      break;
    }
    case 'MethodCall': {
      value = `MethodCall ${printPlace(instrValue.receiver)}.${printPlace(
        instrValue.property,
      )}(${instrValue.args.map(arg => printPattern(arg)).join(', ')})`;
      break;
    }
    case 'JSXText': {
      value = `JSXText ${JSON.stringify(instrValue.value)}`;
      break;
    }
    case 'Primitive': {
      if (instrValue.value === undefined) {
        value = '<undefined>';
      } else {
        value = JSON.stringify(instrValue.value);
      }
      break;
    }
    case 'TypeCastExpression': {
      value = `TypeCast ${printPlace(instrValue.value)}: ${printType(
        instrValue.type,
      )}`;
      break;
    }