openai-code/src/local-tools/view-first.mjs

An unofficial proxy layer that lets you use Anthropic Claude Code with any OpenAI API backend.

// if Claude Code / OpenAI model is a bit stupid again and attempts to modify a file before read, 
// we adjust it into a view first operation to prevent an error. We also instruct the model to try again.
// unused atm
export const viewFirstAgent = async({ useTools, formattedMessages, toolCallHistory }) => {

  // iterate over the useTools array to find Edit or Replace tool calls
  for (let i = 0; i < useTools.length; i++) {
    const tool = useTools[i];
    if ((tool.name === "Edit" || tool.name === "Replace") && !useTools.some(t => t.name === "View")) {

      // check the last two tool calls in toolCallHistory for a View tool with the same file_path
      const toolCallEntries = Array.from(toolCallHistory.entries());
      const lastTwoToolCalls = toolCallEntries.slice(-2);

      const hasRecentViewToolCall = lastTwoToolCalls.some(([_, record]) => {
        return record.payload.name === "View" && 
               record.payload.input.file_path === tool.parameters.file_path;
      });

      if (hasRecentViewToolCall) {
        console.log('ViewFirstAgent: found Edit or Replace tool call with a recent View tool call. Skipping optimization.');
        return {
          useTools,
          formattedMessages,
          reReason: false
        };
      }

      console.log('ViewFirstAgent: found Edit or Replace tool call without a previous View tool call. Replacing with a View tool call.');

      // replace the Edit or Replace tool call with a View tool call
      useTools[i] = {
        name: "View",
        parameters: {
          file_path: tool.parameters.file_path
        }
      };

      // add a formatted message explaining the optimization
      formattedMessages.push({
        role: "user",
        content: [{
          type: 'text',
          text: `The operation "${tool.name}" was replaced by a "View" tool call to read the file before performing the operation. You MUST remember your previous planned action. And execute this afterwards (e.g. adapting to the latest changes!): ${JSON.stringify(tool)}`
        }]
      });

      // immediately return to prevent further processing
      return {
        useTools,
        formattedMessages,
        reReason: false
      };
    }
  }
  return {
    useTools,
    formattedMessages,
    reReason: false
  };
}