"use strict";Object.defineProperty(exports, "__esModule", {value: true});// src/constant.ts
var EXCEPTION_FIELD = ["secureUrl", "siteName", "appId"];

// src/utils.ts
var camelcase = (attrName) => attrName.replace(/([A-Z])/g, EXCEPTION_FIELD.includes(attrName) ? "_$1" : ":$1").toLowerCase();
var toAttrs = (name, content, field, prefix) => {
  const _name = prefix ? `${prefix}:${name}` : name;
  if (typeof content === "number") {
    return { [field]: _name, content: `${content}` };
  } else if (Array.isArray(content)) {
    return content.map((_content) => ({ [field]: _name, content: _content }));
  } else if (typeof content === "object") {
    return Object.entries(content).map(([key, value]) => toAttrs(camelcase(key), value, field, _name));
  }
  return { [field]: _name, content };
};

// src/transform.ts
var transform = (options) => {
  const basicOGMetaAttrs = Object.entries(options.basic || {}).map(([name, content]) => toAttrs(camelcase(name), content, "property", "og"));
  const twitterOGMetaAttrs = Object.entries(options.twitter || {}).map(([name, content]) => toAttrs(camelcase(name), content, "name", "twitter"));
  const facebookOGMetaAttrs = Object.entries(options.facebook || {}).map(([name, content]) => toAttrs(camelcase(name), content, "property", "fb"));
  const attrs = [...basicOGMetaAttrs.flat(), ...twitterOGMetaAttrs.flat(3), ...facebookOGMetaAttrs.flat()];
  return attrs.map((_attrs) => ({
    attrs: _attrs,
    tag: "meta",
    injectTo: "head"
  }));
};

// src/index.ts
var src_default = (options) => ({
  name: "vite-plugin-open-graph",
  transformIndexHtml(html) {
    return { html, tags: transform(options || {}) };
  }
});


exports.default = src_default;