index.ts

import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import { stripMarkdown } from "./strip.js";

type MarkdownStripConfig = {
  channels?: string[];
};

const DEFAULT_CHANNELS = ["imessage"];

const plugin = {
  id: "markdown-strip",
  name: "Markdown Strip",
  description:
    "Strips Markdown formatting from outgoing messages on plaintext channels",
  configSchema: {
    jsonSchema: {
      type: "object",
      additionalProperties: false,
      properties: {
        channels: {
          type: "array",
          items: { type: "string" },
          description:
            "Channels to strip Markdown from (default: [\"imessage\"])",
        },
      },
    },
    uiHints: {
      channels: {
        label: "Channels",
        help: 'Channel IDs to strip Markdown from, e.g. ["imessage", "signal"]',
        placeholder: '["imessage"]',
      },
    },
  },

  register(api: OpenClawPluginApi) {
    const cfg = (api.pluginConfig ?? {}) as MarkdownStripConfig;
    const channels = new Set(cfg.channels ?? DEFAULT_CHANNELS);

    api.logger.info(
      `markdown-strip: active on channels: ${[...channels].join(", ")}`,
    );

    api.on("message_sending", async (event, ctx) => {
      if (!channels.has(ctx.channelId)) return;
      if (!event.content) return;

      const stripped = stripMarkdown(event.content);
      if (stripped !== event.content) {
        api.logger.debug?.(
          `markdown-strip: cleaned message for ${ctx.channelId}`,
        );
        return { content: stripped };
      }
    });
  },
};

export default plugin;