75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
import OGImage from "../images/og_default.png";
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import type {
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ServerRuntimeMetaArgs,
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ServerRuntimeMetaDescriptor,
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} from "@remix-run/server-runtime";
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interface GenerateMetaTagsParams {
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title: string;
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description: string;
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imageUrl?: {};
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ogType?: "website" | "article";
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parentMeta?: ServerRuntimeMetaArgs;
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}
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export function generateMetaTags({
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title,
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description,
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imageUrl = OGImage,
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ogType = "website",
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parentMeta,
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}: GenerateMetaTagsParams) {
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const metaTags: Record<string, ServerRuntimeMetaDescriptor> = {};
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// Helper function to generate a unique key for each meta tag
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const generateKey = (tag: ServerRuntimeMetaDescriptor): string => {
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if ("name" in tag && tag.name) {
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return `name:${tag.name}`;
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}
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if ("property" in tag && tag.property) {
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return `property:${tag.property}`;
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}
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if ("httpEquiv" in tag && tag.httpEquiv)
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return `httpEquiv:${tag.httpEquiv}`;
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if ("charSet" in tag) {
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return "charSet";
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}
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if ("title" in tag) {
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return "title";
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}
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if ("script:ld+json" in tag) {
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return "script:ld+json";
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}
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if ("tagName" in tag && tag.tagName) {
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return `tagName:${tag.tagName}`;
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}
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// Fallback for complex or unknown types - convert to JSON string
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return `unknown:${JSON.stringify(tag)}`;
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};
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// Merge parent meta tags
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parentMeta?.matches?.forEach((match) => {
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match.meta?.forEach((tag) => {
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const key = generateKey(tag);
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metaTags[key] = tag;
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});
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});
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// Define new meta tags and add or overwrite them in the metaTags object
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const newMetaTags: ServerRuntimeMetaDescriptor[] = [
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{ title },
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{ name: "title", content: title },
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{ name: "description", content: description },
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{ name: "og:title", content: title },
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{ name: "og:description", content: description },
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{ name: "og:image", content: imageUrl },
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{ name: "og:type", content: ogType },
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];
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newMetaTags.forEach((tag) => {
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const key = generateKey(tag);
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metaTags[key] = tag;
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});
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return Object.values(metaTags);
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}
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