sanity-plugin-seo/src/utils/detectSchemaType.ts

Complete SEO toolkit for Sanity Studio with live scoring, AI suggestions, team workflows, and 30+ structured data types. Free and AI tiers live. Pro coming soon.

import { Schema } from "../types/Types";
import seoType from "../schemas/types/seo/list/seoType";
import seo from "../patterns/seo";

type List =
  | string
  | {
      optgroup?: string;
      list?: string[];
    };

const findSchemaType = (typeList: List[], schemaType: string) => {
  const result = typeList.find((item) => {
    if (typeof item === "string" && item === schemaType) {
      return schemaType;
    }
    if (typeof item === "object" && item.optgroup && item.list) {
      const findInList = item.list.find(
        (subitem: string) => subitem === schemaType.replace(/([A-Z])/g, " $1").trim(),
      );
      if (findInList) {
        return schemaType;
      }
      return undefined;
    }
    return undefined;
  });
  if (typeof result === "string") {
    return schemaType;
  }
  if (typeof result === "object" && result.optgroup && result.list) {
    const findInList = result?.list.find(
      (subitem: string) => subitem === schemaType.replace(/([A-Z])/g, " $1").trim(),
    );
    if (findInList) {
      return schemaType;
    }
    return undefined;
  }
  return undefined;
};

const detectSchemaType = (schema: Schema) => {
  const { type } = schema;
  switch (type) {
    case findSchemaType(seoType, type):
      return seo;
    default:
      return undefined;
  }
};

export default detectSchemaType;