63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
'use strict';
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const SelfClosingTags = ["meta", "link", "base"];
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const propsToString = (props) => {
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const handledAttributes = [];
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for (const [key, value] of Object.entries(props)) {
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if (value === false || value == null)
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continue;
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let attribute = key;
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if (value !== true)
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attribute += `="${String(value).replace(/"/g, """)}"`;
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handledAttributes.push(attribute);
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}
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return handledAttributes.length > 0 ? ` ${handledAttributes.join(" ")}` : "";
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};
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const tagToString = (tag) => {
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const attrs = propsToString(tag.props);
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const openTag = `<${tag.tag}${attrs}>`;
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return SelfClosingTags.includes(tag.tag) ? openTag : `${openTag}${tag.children || ""}</${tag.tag}>`;
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};
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function ssrRenderTags(tags) {
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const schema = { htmlAttrs: {}, bodyAttrs: {}, tags: { head: [], bodyClose: [], bodyOpen: [] } };
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for (const tag of tags) {
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if (tag.tag === "htmlAttrs" || tag.tag === "bodyAttrs") {
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schema[tag.tag] = { ...schema[tag.tag], ...tag.props };
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continue;
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}
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schema.tags[tag.tagPosition || "head"].push(tagToString(tag));
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}
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return {
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headTags: schema.tags.head.join("\n"),
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bodyTags: schema.tags.bodyClose.join("\n"),
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bodyTagsOpen: schema.tags.bodyOpen.join("\n"),
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htmlAttrs: propsToString(schema.htmlAttrs),
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bodyAttrs: propsToString(schema.bodyAttrs)
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};
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}
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async function renderSSRHead(head) {
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const beforeRenderCtx = { shouldRender: true };
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await head.hooks.callHook("ssr:beforeRender", beforeRenderCtx);
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if (!beforeRenderCtx.shouldRender) {
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return {
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headTags: "",
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bodyTags: "",
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bodyTagsOpen: "",
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htmlAttrs: "",
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bodyAttrs: ""
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};
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}
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const ctx = { tags: await head.resolveTags() };
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await head.hooks.callHook("ssr:render", ctx);
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const html = ssrRenderTags(ctx.tags);
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const renderCtx = { tags: ctx.tags, html };
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await head.hooks.callHook("ssr:rendered", renderCtx);
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return renderCtx.html;
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}
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exports.renderSSRHead = renderSSRHead;
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