Function processData

packages/qwik/src/core/render/ssr/render-ssr.ts:879–930

(
  node: any,
  rCtx: RenderContext,
  ssrCtx: SSRContext,
  stream: StreamWriter,
  flags: number,
  beforeClose?: (stream: StreamWriter) => ValueOrPromise<void>
)

/** Embed metadata while rendering the tree, to be used when resuming */
const processData = (
  node: any,
  rCtx: RenderContext,
  ssrCtx: SSRContext,
  stream: StreamWriter,
  flags: number,
  beforeClose?: (stream: StreamWriter) => ValueOrPromise<void>
): ValueOrPromise<void> => {
  if (node == null || typeof node === 'boolean') {
    return;
  }
  if (isString(node) || typeof node === 'number') {
    stream.write(escapeHtml(String(node)));
  } else if (isJSXNode(node)) {
    return renderNode(node, rCtx, ssrCtx, stream, flags, beforeClose);
  } else if (isArray(node)) {
    return walkChildren(node, rCtx, ssrCtx, stream, flags);
  } else if (isSignal(node)) {
    const insideText = flags & IS_TEXT;
    const hostEl = rCtx.$cmpCtx$?.$element$ as QwikElement;
    let value;
    if (hostEl) {
      if (!insideText) {
        const id = getNextIndex(rCtx);
        const subs =
          flags & IS_IMMUTABLE
            ? ([3, ('#' + id) as any, node, ('#' + id) as any] as const)
            : ([4, hostEl, node, ('#' + id) as any] as const);

        value = trackSignal(node, subs);
        if (isString(value)) {
          const str = jsxToString(value);
          ssrCtx.$static$.$textNodes$.set(str, id);
        }
        stream.write(`<!--t=${id}-->`);
        processData(value, rCtx, ssrCtx, stream, flags, beforeClose);
        stream.write(`<!---->`);
        return;
      } else {
        value = invoke(ssrCtx.$invocationContext$, () => node.value);
      }
    }
    stream.write(escapeHtml(jsxToString(value)));
    return;
  } else if (isPromise(node)) {
    stream.write(FLUSH_COMMENT);
    return node.then((node) => processData(node, rCtx, ssrCtx, stream, flags, beforeClose));
  } else {
    logWarn('A unsupported value was passed to the JSX, skipping render. Value:', node);
    return;
  }
};

const walkChildren = (
  children: unknown,