Function buildGateCondition

scripts/babel/transform-test-gate-pragma.js:241–266

(comments)

  }

  function buildGateCondition(comments) {
    let conditions = null;
    for (const line of comments) {
      const commentStr = line.value.trim();
      if (commentStr.startsWith('@gate ')) {
        const code = commentStr.slice(6);
        const ctxIdentifier = t.identifier('ctx');
        const condition = parse(code, ctxIdentifier);
        if (conditions === null) {
          conditions = [condition];
        } else {
          conditions.push(condition);
        }
      }
    }
    if (conditions !== null) {
      let condition = conditions[0];
      for (let i = 1; i < conditions.length; i++) {
        const right = conditions[i];
        condition = t.logicalExpression('&&', condition, right);
      }
      return condition;
    } else {
      return null;
    }
  }

  return {
    name: 'test-gate-pragma',