@flourish/sdk
Version:
The Flourish SDK
134 lines • 5.23 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const url_1 = __importDefault(require("url"));
const parse5 = __importStar(require("parse5"));
// @ts-expect-error no type definitions exist for rewrite-links
const rewrite_links_1 = __importDefault(require("rewrite-links"));
const parse5_1 = require("parse5");
function findChild(node, nodeName, ok_if_not_found) {
for (const child of parse5_1.defaultTreeAdapter.getChildNodes(node)) {
if (child.nodeName == nodeName) {
return child;
}
}
if (ok_if_not_found) {
return null;
}
throw new Error("Node not found: " + nodeName);
}
function findHtmlNode(document) {
return findChild(document, "html");
}
function findHead(document) {
return findChild(findHtmlNode(document), "head");
}
function findBody(document) {
return findChild(findHtmlNode(document), "body");
}
function replaceTitle(document, title) {
const head = findHead(document);
let title_node = findChild(head, "title", true);
if (title_node) {
for (const child of parse5_1.defaultTreeAdapter.getChildNodes(title_node)) {
parse5_1.defaultTreeAdapter.detachNode(child);
}
}
else {
title_node = parse5_1.defaultTreeAdapter.createElement("title", head.namespaceURI, []);
parse5_1.defaultTreeAdapter.appendChild(head, title_node);
}
parse5_1.defaultTreeAdapter.insertText(title_node, title);
}
function appendFragmentToBody(document, fragment) {
const body = findBody(document);
for (const child of parse5_1.defaultTreeAdapter.getChildNodes(fragment)) {
parse5_1.defaultTreeAdapter.appendChild(body, child);
}
}
function insertOembedLink(document, oembed_url) {
const head = findHead(document);
const link_node = parse5_1.defaultTreeAdapter.createElement("link", head.namespaceURI, [
{ name: "rel", value: "alternate" },
{ name: "type", value: "application/json+oembed" },
{ name: "href", value: oembed_url },
]);
parse5_1.defaultTreeAdapter.appendChild(head, link_node);
}
function insertCanonicalLink(document, canonical_url) {
const head = findHead(document);
const link_node = parse5_1.defaultTreeAdapter.createElement("link", head.namespaceURI, [
{ name: "rel", value: "canonical" },
{ name: "href", value: canonical_url },
]);
parse5_1.defaultTreeAdapter.appendChild(head, link_node);
}
function rewriteLinks(document, static_prefix) {
if (!static_prefix.endsWith("/")) {
static_prefix += "/";
}
const rewriter = new rewrite_links_1.default(function (url) {
// We don't want to rewrite URLs that are just fragment identifiers
if (url.startsWith("#")) {
return url;
}
// ... or relative self-links
if (url == "" || url == ".") {
return url;
}
return url_1.default.resolve(static_prefix, url); // eslint-disable-line node/no-deprecated-api
});
return rewriter.rewriteDocument(document);
}
async function render(template_text, params) {
const document = parse5.parse(template_text), script_fragment = params.parsed_script || parse5.parseFragment(params.script || "");
replaceTitle(document, params.title);
if (params.canonical_url) {
insertCanonicalLink(document, params.canonical_url);
}
if (params.oembed_url) {
insertOembedLink(document, params.oembed_url);
}
appendFragmentToBody(document, script_fragment);
const rewritten_document = await rewriteLinks(document, params.static);
return parse5.serialize(rewritten_document);
}
exports.default = {
render,
};
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