kjelsrud.dev/node_modules/astro/dist/runtime/server/render/common.js
2023-07-19 21:31:30 +02:00

96 lines
2.6 KiB
JavaScript

import { markHTMLString } from "../escape.js";
import {
determineIfNeedsHydrationScript,
determinesIfNeedsDirectiveScript,
getPrescripts
} from "../scripts.js";
import { renderAllHeadContent } from "./head.js";
import { isSlotString } from "./slot.js";
const Fragment = Symbol.for("astro:fragment");
const Renderer = Symbol.for("astro:renderer");
const encoder = new TextEncoder();
const decoder = new TextDecoder();
function stringifyChunk(result, chunk) {
if (typeof chunk.type === "string") {
const instruction = chunk;
switch (instruction.type) {
case "directive": {
const { hydration } = instruction;
let needsHydrationScript = hydration && determineIfNeedsHydrationScript(result);
let needsDirectiveScript = hydration && determinesIfNeedsDirectiveScript(result, hydration.directive);
let prescriptType = needsHydrationScript ? "both" : needsDirectiveScript ? "directive" : null;
if (prescriptType) {
let prescripts = getPrescripts(result, prescriptType, hydration.directive);
return markHTMLString(prescripts);
} else {
return "";
}
}
case "head": {
if (result._metadata.hasRenderedHead) {
return "";
}
return renderAllHeadContent(result);
}
case "maybe-head": {
if (result._metadata.hasRenderedHead || result._metadata.headInTree) {
return "";
}
return renderAllHeadContent(result);
}
default: {
if (chunk instanceof Response) {
return "";
}
throw new Error(`Unknown chunk type: ${chunk.type}`);
}
}
} else {
if (isSlotString(chunk)) {
let out = "";
const c = chunk;
if (c.instructions) {
for (const instr of c.instructions) {
out += stringifyChunk(result, instr);
}
}
out += chunk.toString();
return out;
}
return chunk.toString();
}
}
class HTMLParts {
constructor() {
this.parts = "";
}
append(part, result) {
if (ArrayBuffer.isView(part)) {
this.parts += decoder.decode(part);
} else {
this.parts += stringifyChunk(result, part);
}
}
toString() {
return this.parts;
}
toArrayBuffer() {
return encoder.encode(this.parts);
}
}
function chunkToByteArray(result, chunk) {
if (chunk instanceof Uint8Array) {
return chunk;
}
let stringified = stringifyChunk(result, chunk);
return encoder.encode(stringified.toString());
}
export {
Fragment,
HTMLParts,
Renderer,
chunkToByteArray,
decoder,
encoder,
stringifyChunk
};