@oselvar/c4/dist/generators/index.js

Test helpers for Cloudflare Workers

import {
  C4ModelBuilder,
  callKey,
  camelCase,
  getUniqueCalls,
  objectKey
} from "../chunk-ZMBFSHSD.js";

// src/generators/toDsl.ts
function toStructurizr(model) {
  const builder = new C4ModelBuilder(model, Promise.resolve());
  let s = `workspace {
  model {
`;
  const level = 2;
  s = modelAndCalls(
    level,
    s,
    builder,
    model,
    (object, indent) => {
      return object.tags.map((tag) => `${indent}  tags "${tag}"`).join("\n");
    }
  );
  s += `
    views {
`;
  model.callchains.forEach((callchain) => {
    s += `      dynamic * {
`;
    s += `        title "${callchain.name}" {
`;
    let lastCallKey = "";
    callchain.calls.forEach((call) => {
      if (lastCallKey === callKey(call)) {
        return;
      }
      const caller = builder.getObject(call.callerName);
      const callee = builder.getObject(call.calleeName);
      s += `          ${objectKey(caller)} -> ${objectKey(callee)} "${call.operationName}"
`;
      lastCallKey = callKey(call);
    });
    s += `        }
`;
    s += `      }
`;
  });
  s += `      styles {
        element "Database" {
          shape cylinder
        }
      }
`;
  s += `    }
`;
  s += `  }
}
`;
  return s;
}
function toLikeC4(model) {
  const builder = new C4ModelBuilder(model, Promise.resolve());
  let s = `model {
`;
  const level = 1;
  s = modelAndCalls(level, s, builder, model, () => "");
  s += `}

views {
`;
  Object.values(model.objects).filter(
    (object) => object.type === "softwareSystem" || object.type === "container"
  ).forEach((object) => {
    s += `  view ${object.name} of ${objectKey(object)} {
`;
    s += `    include *
`;
    s += `  }
`;
  });
  model.callchains.forEach((callchain) => {
    s += `  dynamic view ${camelCase(callchain.name)} {
`;
    s += `    title "${callchain.name}"
`;
    let lastCallKey = "";
    callchain.calls.forEach((call) => {
      if (lastCallKey === callKey(call)) {
        return;
      }
      const caller = builder.getObject(call.callerName);
      const callee = builder.getObject(call.calleeName);
      s += `    ${objectKey(caller)} -> ${objectKey(callee)} "${call.operationName}"
`;
      lastCallKey = callKey(call);
    });
    s += `  }
`;
  });
  s += `}
`;
  return s;
}
function modelAndCalls(level, s, builder, model, renderTags) {
  const indent = "  ".repeat(level);
  s += recursiveWalk(builder.rootObjects(), builder, level, renderTags);
  s += "\n\n";
  Object.values(model.objects).forEach((object) => {
    Object.values(getUniqueCalls(model.callchains)).filter((call) => call.callerName === object.name).forEach((call) => {
      s += `${indent}${objectKey(object)} -> ${objectKey(builder.getObject(call.calleeName))} "${call.operationName}"
`;
    });
  });
  return s;
}
function recursiveWalk(objects, builder, level, renderTags) {
  const indent = "  ".repeat(level);
  return objects.map((object) => {
    const line = `${indent}${objectKey(object)} = ${object.type} "${object.name}" {`;
    const tags = renderTags(object, indent);
    const children = recursiveWalk(
      builder.children(object),
      builder,
      level + 1,
      renderTags
    );
    const close = `${indent}}`;
    return [line, tags, children, close].filter(Boolean).join("\n");
  }).join("\n");
}
export {
  toLikeC4,
  toStructurizr
};
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