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import type { Data } from "../core.ts";
/** * Common utils used by several plugins */
/** * Get the value of a page data * For example, if the value is "=title", it will return the value of the page data "title" * If the value is "$.title", it will return the value of the element with the selector ".title" */export function getDataValue(data: Data, value?: unknown) {  // Get the value from the page data  if (typeof value === "string") {    if (value.startsWith("=")) {      const key = value.slice(1);
      if (!key.includes(".")) {        return data[key];      }
      const keys = key.split(".");      let val = data;      for (const key of keys) {        val = val?.[key];      }      return val;    }
    if (value.startsWith("$")) {      const document = data.page?.document;      const query = value.slice(1);      const element = document?.querySelector(query);      return element?.innerHTML;    }  }
  return value;}