server-renderer.cjs.prod.js 29 KB

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  1. 'use strict';
  2. Object.defineProperty(exports, '__esModule', { value: true });
  3. var Vue = require('vue');
  4. var shared = require('@vue/shared');
  5. var compilerSsr = require('@vue/compiler-ssr');
  6. function _interopNamespaceDefault(e) {
  7. var n = Object.create(null);
  8. if (e) {
  9. for (var k in e) {
  10. n[k] = e[k];
  11. }
  12. }
  13. n.default = e;
  14. return Object.freeze(n);
  15. }
  16. var Vue__namespace = /*#__PURE__*/_interopNamespaceDefault(Vue);
  17. // leading comma for empty string ""
  18. const shouldIgnoreProp = shared.makeMap(`,key,ref,innerHTML,textContent,ref_key,ref_for`);
  19. function ssrRenderAttrs(props, tag) {
  20. let ret = '';
  21. for (const key in props) {
  22. if (shouldIgnoreProp(key) ||
  23. shared.isOn(key) ||
  24. (tag === 'textarea' && key === 'value')) {
  25. continue;
  26. }
  27. const value = props[key];
  28. if (key === 'class') {
  29. ret += ` class="${ssrRenderClass(value)}"`;
  30. }
  31. else if (key === 'style') {
  32. ret += ` style="${ssrRenderStyle(value)}"`;
  33. }
  34. else {
  35. ret += ssrRenderDynamicAttr(key, value, tag);
  36. }
  37. }
  38. return ret;
  39. }
  40. // render an attr with dynamic (unknown) key.
  41. function ssrRenderDynamicAttr(key, value, tag) {
  42. if (!isRenderableValue(value)) {
  43. return ``;
  44. }
  45. const attrKey = tag && (tag.indexOf('-') > 0 || shared.isSVGTag(tag))
  46. ? key // preserve raw name on custom elements and svg
  47. : shared.propsToAttrMap[key] || key.toLowerCase();
  48. if (shared.isBooleanAttr(attrKey)) {
  49. return shared.includeBooleanAttr(value) ? ` ${attrKey}` : ``;
  50. }
  51. else if (shared.isSSRSafeAttrName(attrKey)) {
  52. return value === '' ? ` ${attrKey}` : ` ${attrKey}="${shared.escapeHtml(value)}"`;
  53. }
  54. else {
  55. console.warn(`[@vue/server-renderer] Skipped rendering unsafe attribute name: ${attrKey}`);
  56. return ``;
  57. }
  58. }
  59. // Render a v-bind attr with static key. The key is pre-processed at compile
  60. // time and we only need to check and escape value.
  61. function ssrRenderAttr(key, value) {
  62. if (!isRenderableValue(value)) {
  63. return ``;
  64. }
  65. return ` ${key}="${shared.escapeHtml(value)}"`;
  66. }
  67. function isRenderableValue(value) {
  68. if (value == null) {
  69. return false;
  70. }
  71. const type = typeof value;
  72. return type === 'string' || type === 'number' || type === 'boolean';
  73. }
  74. function ssrRenderClass(raw) {
  75. return shared.escapeHtml(shared.normalizeClass(raw));
  76. }
  77. function ssrRenderStyle(raw) {
  78. if (!raw) {
  79. return '';
  80. }
  81. if (shared.isString(raw)) {
  82. return shared.escapeHtml(raw);
  83. }
  84. const styles = shared.normalizeStyle(raw);
  85. return shared.escapeHtml(shared.stringifyStyle(styles));
  86. }
  87. function ssrRenderComponent(comp, props = null, children = null, parentComponent = null, slotScopeId) {
  88. return renderComponentVNode(Vue.createVNode(comp, props, children), parentComponent, slotScopeId);
  89. }
  90. function ssrRenderSlot(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId) {
  91. // template-compiled slots are always rendered as fragments
  92. push(`<!--[-->`);
  93. ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId);
  94. push(`<!--]-->`);
  95. }
  96. function ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId, transition) {
  97. const slotFn = slots[slotName];
  98. if (slotFn) {
  99. const slotBuffer = [];
  100. const bufferedPush = (item) => {
  101. slotBuffer.push(item);
  102. };
  103. const ret = slotFn(slotProps, bufferedPush, parentComponent, slotScopeId ? ' ' + slotScopeId : '');
  104. if (shared.isArray(ret)) {
  105. // normal slot
  106. renderVNodeChildren(push, ret, parentComponent, slotScopeId);
  107. }
  108. else {
  109. // ssr slot.
  110. // check if the slot renders all comments, in which case use the fallback
  111. let isEmptySlot = true;
  112. if (transition) {
  113. isEmptySlot = false;
  114. }
  115. else {
  116. for (let i = 0; i < slotBuffer.length; i++) {
  117. if (!isComment(slotBuffer[i])) {
  118. isEmptySlot = false;
  119. break;
  120. }
  121. }
  122. }
  123. if (isEmptySlot) {
  124. if (fallbackRenderFn) {
  125. fallbackRenderFn();
  126. }
  127. }
  128. else {
  129. for (let i = 0; i < slotBuffer.length; i++) {
  130. push(slotBuffer[i]);
  131. }
  132. }
  133. }
  134. }
  135. else if (fallbackRenderFn) {
  136. fallbackRenderFn();
  137. }
  138. }
  139. const commentTestRE = /^<!--.*-->$/s;
  140. const commentRE = /<!--[^]*?-->/gm;
  141. function isComment(item) {
  142. if (typeof item !== 'string' || !commentTestRE.test(item))
  143. return false;
  144. // if item is '<!---->' or '<!--[-->' or '<!--]-->', return true directly
  145. if (item.length <= 8)
  146. return true;
  147. return !item.replace(commentRE, '').trim();
  148. }
  149. function ssrRenderTeleport(parentPush, contentRenderFn, target, disabled, parentComponent) {
  150. parentPush('<!--teleport start-->');
  151. const context = parentComponent.appContext.provides[Vue.ssrContextKey];
  152. const teleportBuffers = context.__teleportBuffers || (context.__teleportBuffers = {});
  153. const targetBuffer = teleportBuffers[target] || (teleportBuffers[target] = []);
  154. // record current index of the target buffer to handle nested teleports
  155. // since the parent needs to be rendered before the child
  156. const bufferIndex = targetBuffer.length;
  157. let teleportContent;
  158. if (disabled) {
  159. contentRenderFn(parentPush);
  160. teleportContent = `<!--teleport anchor-->`;
  161. }
  162. else {
  163. const { getBuffer, push } = createBuffer();
  164. contentRenderFn(push);
  165. push(`<!--teleport anchor-->`);
  166. teleportContent = getBuffer();
  167. }
  168. targetBuffer.splice(bufferIndex, 0, teleportContent);
  169. parentPush('<!--teleport end-->');
  170. }
  171. function ssrInterpolate(value) {
  172. return shared.escapeHtml(shared.toDisplayString(value));
  173. }
  174. function ssrRenderList(source, renderItem) {
  175. if (shared.isArray(source) || shared.isString(source)) {
  176. for (let i = 0, l = source.length; i < l; i++) {
  177. renderItem(source[i], i);
  178. }
  179. }
  180. else if (typeof source === 'number') {
  181. for (let i = 0; i < source; i++) {
  182. renderItem(i + 1, i);
  183. }
  184. }
  185. else if (shared.isObject(source)) {
  186. if (source[Symbol.iterator]) {
  187. const arr = Array.from(source);
  188. for (let i = 0, l = arr.length; i < l; i++) {
  189. renderItem(arr[i], i);
  190. }
  191. }
  192. else {
  193. const keys = Object.keys(source);
  194. for (let i = 0, l = keys.length; i < l; i++) {
  195. const key = keys[i];
  196. renderItem(source[key], key, i);
  197. }
  198. }
  199. }
  200. }
  201. async function ssrRenderSuspense(push, { default: renderContent }) {
  202. if (renderContent) {
  203. renderContent();
  204. }
  205. else {
  206. push(`<!---->`);
  207. }
  208. }
  209. function ssrGetDirectiveProps(instance, dir, value, arg, modifiers = {}) {
  210. if (typeof dir !== 'function' && dir.getSSRProps) {
  211. return (dir.getSSRProps({
  212. dir,
  213. instance,
  214. value,
  215. oldValue: undefined,
  216. arg,
  217. modifiers
  218. }, null) || {});
  219. }
  220. return {};
  221. }
  222. const ssrLooseEqual = shared.looseEqual;
  223. function ssrLooseContain(arr, value) {
  224. return shared.looseIndexOf(arr, value) > -1;
  225. }
  226. // for <input :type="type" v-model="model" value="value">
  227. function ssrRenderDynamicModel(type, model, value) {
  228. switch (type) {
  229. case 'radio':
  230. return shared.looseEqual(model, value) ? ' checked' : '';
  231. case 'checkbox':
  232. return (shared.isArray(model) ? ssrLooseContain(model, value) : model)
  233. ? ' checked'
  234. : '';
  235. default:
  236. // text types
  237. return ssrRenderAttr('value', model);
  238. }
  239. }
  240. // for <input v-bind="obj" v-model="model">
  241. function ssrGetDynamicModelProps(existingProps = {}, model) {
  242. const { type, value } = existingProps;
  243. switch (type) {
  244. case 'radio':
  245. return shared.looseEqual(model, value) ? { checked: true } : null;
  246. case 'checkbox':
  247. return (shared.isArray(model) ? ssrLooseContain(model, value) : model)
  248. ? { checked: true }
  249. : null;
  250. default:
  251. // text types
  252. return { value: model };
  253. }
  254. }
  255. // internal runtime helpers
  256. var helpers = /*#__PURE__*/Object.freeze({
  257. __proto__: null,
  258. ssrGetDirectiveProps: ssrGetDirectiveProps,
  259. ssrGetDynamicModelProps: ssrGetDynamicModelProps,
  260. ssrIncludeBooleanAttr: shared.includeBooleanAttr,
  261. ssrInterpolate: ssrInterpolate,
  262. ssrLooseContain: ssrLooseContain,
  263. ssrLooseEqual: ssrLooseEqual,
  264. ssrRenderAttr: ssrRenderAttr,
  265. ssrRenderAttrs: ssrRenderAttrs,
  266. ssrRenderClass: ssrRenderClass,
  267. ssrRenderComponent: ssrRenderComponent,
  268. ssrRenderDynamicAttr: ssrRenderDynamicAttr,
  269. ssrRenderDynamicModel: ssrRenderDynamicModel,
  270. ssrRenderList: ssrRenderList,
  271. ssrRenderSlot: ssrRenderSlot,
  272. ssrRenderSlotInner: ssrRenderSlotInner,
  273. ssrRenderStyle: ssrRenderStyle,
  274. ssrRenderSuspense: ssrRenderSuspense,
  275. ssrRenderTeleport: ssrRenderTeleport,
  276. ssrRenderVNode: renderVNode
  277. });
  278. const compileCache = Object.create(null);
  279. function ssrCompile(template, instance) {
  280. // TODO: This is copied from runtime-core/src/component.ts and should probably be refactored
  281. const Component = instance.type;
  282. const { isCustomElement, compilerOptions } = instance.appContext.config;
  283. const { delimiters, compilerOptions: componentCompilerOptions } = Component;
  284. const finalCompilerOptions = shared.extend(shared.extend({
  285. isCustomElement,
  286. delimiters
  287. }, compilerOptions), componentCompilerOptions);
  288. finalCompilerOptions.isCustomElement =
  289. finalCompilerOptions.isCustomElement || shared.NO;
  290. finalCompilerOptions.isNativeTag = finalCompilerOptions.isNativeTag || shared.NO;
  291. const cacheKey = JSON.stringify({
  292. template,
  293. compilerOptions: finalCompilerOptions
  294. }, (key, value) => {
  295. return shared.isFunction(value) ? value.toString() : value;
  296. });
  297. const cached = compileCache[cacheKey];
  298. if (cached) {
  299. return cached;
  300. }
  301. finalCompilerOptions.onError = (err) => {
  302. {
  303. throw err;
  304. }
  305. };
  306. const { code } = compilerSsr.compile(template, finalCompilerOptions);
  307. const requireMap = {
  308. vue: Vue__namespace,
  309. 'vue/server-renderer': helpers
  310. };
  311. const fakeRequire = (id) => requireMap[id];
  312. return (compileCache[cacheKey] = Function('require', code)(fakeRequire));
  313. }
  314. const { createComponentInstance, setCurrentRenderingInstance, setupComponent, renderComponentRoot, normalizeVNode } = Vue.ssrUtils;
  315. // Each component has a buffer array.
  316. // A buffer array can contain one of the following:
  317. // - plain string
  318. // - A resolved buffer (recursive arrays of strings that can be unrolled
  319. // synchronously)
  320. // - An async buffer (a Promise that resolves to a resolved buffer)
  321. function createBuffer() {
  322. let appendable = false;
  323. const buffer = [];
  324. return {
  325. getBuffer() {
  326. // Return static buffer and await on items during unroll stage
  327. return buffer;
  328. },
  329. push(item) {
  330. const isStringItem = shared.isString(item);
  331. if (appendable && isStringItem) {
  332. buffer[buffer.length - 1] += item;
  333. }
  334. else {
  335. buffer.push(item);
  336. }
  337. appendable = isStringItem;
  338. if (shared.isPromise(item) || (shared.isArray(item) && item.hasAsync)) {
  339. // promise, or child buffer with async, mark as async.
  340. // this allows skipping unnecessary await ticks during unroll stage
  341. buffer.hasAsync = true;
  342. }
  343. }
  344. };
  345. }
  346. function renderComponentVNode(vnode, parentComponent = null, slotScopeId) {
  347. const instance = createComponentInstance(vnode, parentComponent, null);
  348. const res = setupComponent(instance, true /* isSSR */);
  349. const hasAsyncSetup = shared.isPromise(res);
  350. const prefetches = instance.sp; /* LifecycleHooks.SERVER_PREFETCH */
  351. if (hasAsyncSetup || prefetches) {
  352. let p = hasAsyncSetup
  353. ? res
  354. : Promise.resolve();
  355. if (prefetches) {
  356. p = p
  357. .then(() => Promise.all(prefetches.map(prefetch => prefetch.call(instance.proxy))))
  358. // Note: error display is already done by the wrapped lifecycle hook function.
  359. .catch(() => { });
  360. }
  361. return p.then(() => renderComponentSubTree(instance, slotScopeId));
  362. }
  363. else {
  364. return renderComponentSubTree(instance, slotScopeId);
  365. }
  366. }
  367. function renderComponentSubTree(instance, slotScopeId) {
  368. const comp = instance.type;
  369. const { getBuffer, push } = createBuffer();
  370. if (shared.isFunction(comp)) {
  371. let root = renderComponentRoot(instance);
  372. // #5817 scope ID attrs not falling through if functional component doesn't
  373. // have props
  374. if (!comp.props) {
  375. for (const key in instance.attrs) {
  376. if (key.startsWith(`data-v-`)) {
  377. (root.props || (root.props = {}))[key] = ``;
  378. }
  379. }
  380. }
  381. renderVNode(push, (instance.subTree = root), instance, slotScopeId);
  382. }
  383. else {
  384. if ((!instance.render || instance.render === shared.NOOP) &&
  385. !instance.ssrRender &&
  386. !comp.ssrRender &&
  387. shared.isString(comp.template)) {
  388. comp.ssrRender = ssrCompile(comp.template, instance);
  389. }
  390. // perf: enable caching of computed getters during render
  391. // since there cannot be state mutations during render.
  392. for (const e of instance.scope.effects) {
  393. if (e.computed)
  394. e.computed._cacheable = true;
  395. }
  396. const ssrRender = instance.ssrRender || comp.ssrRender;
  397. if (ssrRender) {
  398. // optimized
  399. // resolve fallthrough attrs
  400. let attrs = instance.inheritAttrs !== false ? instance.attrs : undefined;
  401. let hasCloned = false;
  402. let cur = instance;
  403. while (true) {
  404. const scopeId = cur.vnode.scopeId;
  405. if (scopeId) {
  406. if (!hasCloned) {
  407. attrs = { ...attrs };
  408. hasCloned = true;
  409. }
  410. attrs[scopeId] = '';
  411. }
  412. const parent = cur.parent;
  413. if (parent && parent.subTree && parent.subTree === cur.vnode) {
  414. // parent is a non-SSR compiled component and is rendering this
  415. // component as root. inherit its scopeId if present.
  416. cur = parent;
  417. }
  418. else {
  419. break;
  420. }
  421. }
  422. if (slotScopeId) {
  423. if (!hasCloned)
  424. attrs = { ...attrs };
  425. attrs[slotScopeId.trim()] = '';
  426. }
  427. // set current rendering instance for asset resolution
  428. const prev = setCurrentRenderingInstance(instance);
  429. try {
  430. ssrRender(instance.proxy, push, instance, attrs,
  431. // compiler-optimized bindings
  432. instance.props, instance.setupState, instance.data, instance.ctx);
  433. }
  434. finally {
  435. setCurrentRenderingInstance(prev);
  436. }
  437. }
  438. else if (instance.render && instance.render !== shared.NOOP) {
  439. renderVNode(push, (instance.subTree = renderComponentRoot(instance)), instance, slotScopeId);
  440. }
  441. else {
  442. const componentName = comp.name || comp.__file || `<Anonymous>`;
  443. Vue.warn(`Component ${componentName} is missing template or render function.`);
  444. push(`<!---->`);
  445. }
  446. }
  447. return getBuffer();
  448. }
  449. function renderVNode(push, vnode, parentComponent, slotScopeId) {
  450. const { type, shapeFlag, children } = vnode;
  451. switch (type) {
  452. case Vue.Text:
  453. push(shared.escapeHtml(children));
  454. break;
  455. case Vue.Comment:
  456. push(children ? `<!--${shared.escapeHtmlComment(children)}-->` : `<!---->`);
  457. break;
  458. case Vue.Static:
  459. push(children);
  460. break;
  461. case Vue.Fragment:
  462. if (vnode.slotScopeIds) {
  463. slotScopeId =
  464. (slotScopeId ? slotScopeId + ' ' : '') + vnode.slotScopeIds.join(' ');
  465. }
  466. push(`<!--[-->`); // open
  467. renderVNodeChildren(push, children, parentComponent, slotScopeId);
  468. push(`<!--]-->`); // close
  469. break;
  470. default:
  471. if (shapeFlag & 1 /* ShapeFlags.ELEMENT */) {
  472. renderElementVNode(push, vnode, parentComponent, slotScopeId);
  473. }
  474. else if (shapeFlag & 6 /* ShapeFlags.COMPONENT */) {
  475. push(renderComponentVNode(vnode, parentComponent, slotScopeId));
  476. }
  477. else if (shapeFlag & 64 /* ShapeFlags.TELEPORT */) {
  478. renderTeleportVNode(push, vnode, parentComponent, slotScopeId);
  479. }
  480. else if (shapeFlag & 128 /* ShapeFlags.SUSPENSE */) {
  481. renderVNode(push, vnode.ssContent, parentComponent, slotScopeId);
  482. }
  483. else {
  484. Vue.warn('[@vue/server-renderer] Invalid VNode type:', type, `(${typeof type})`);
  485. }
  486. }
  487. }
  488. function renderVNodeChildren(push, children, parentComponent, slotScopeId) {
  489. for (let i = 0; i < children.length; i++) {
  490. renderVNode(push, normalizeVNode(children[i]), parentComponent, slotScopeId);
  491. }
  492. }
  493. function renderElementVNode(push, vnode, parentComponent, slotScopeId) {
  494. const tag = vnode.type;
  495. let { props, children, shapeFlag, scopeId, dirs } = vnode;
  496. let openTag = `<${tag}`;
  497. if (dirs) {
  498. props = applySSRDirectives(vnode, props, dirs);
  499. }
  500. if (props) {
  501. openTag += ssrRenderAttrs(props, tag);
  502. }
  503. if (scopeId) {
  504. openTag += ` ${scopeId}`;
  505. }
  506. // inherit parent chain scope id if this is the root node
  507. let curParent = parentComponent;
  508. let curVnode = vnode;
  509. while (curParent && curVnode === curParent.subTree) {
  510. curVnode = curParent.vnode;
  511. if (curVnode.scopeId) {
  512. openTag += ` ${curVnode.scopeId}`;
  513. }
  514. curParent = curParent.parent;
  515. }
  516. if (slotScopeId) {
  517. openTag += ` ${slotScopeId}`;
  518. }
  519. push(openTag + `>`);
  520. if (!shared.isVoidTag(tag)) {
  521. let hasChildrenOverride = false;
  522. if (props) {
  523. if (props.innerHTML) {
  524. hasChildrenOverride = true;
  525. push(props.innerHTML);
  526. }
  527. else if (props.textContent) {
  528. hasChildrenOverride = true;
  529. push(shared.escapeHtml(props.textContent));
  530. }
  531. else if (tag === 'textarea' && props.value) {
  532. hasChildrenOverride = true;
  533. push(shared.escapeHtml(props.value));
  534. }
  535. }
  536. if (!hasChildrenOverride) {
  537. if (shapeFlag & 8 /* ShapeFlags.TEXT_CHILDREN */) {
  538. push(shared.escapeHtml(children));
  539. }
  540. else if (shapeFlag & 16 /* ShapeFlags.ARRAY_CHILDREN */) {
  541. renderVNodeChildren(push, children, parentComponent, slotScopeId);
  542. }
  543. }
  544. push(`</${tag}>`);
  545. }
  546. }
  547. function applySSRDirectives(vnode, rawProps, dirs) {
  548. const toMerge = [];
  549. for (let i = 0; i < dirs.length; i++) {
  550. const binding = dirs[i];
  551. const { dir: { getSSRProps } } = binding;
  552. if (getSSRProps) {
  553. const props = getSSRProps(binding, vnode);
  554. if (props)
  555. toMerge.push(props);
  556. }
  557. }
  558. return Vue.mergeProps(rawProps || {}, ...toMerge);
  559. }
  560. function renderTeleportVNode(push, vnode, parentComponent, slotScopeId) {
  561. const target = vnode.props && vnode.props.to;
  562. const disabled = vnode.props && vnode.props.disabled;
  563. if (!target) {
  564. if (!disabled) {
  565. Vue.warn(`[@vue/server-renderer] Teleport is missing target prop.`);
  566. }
  567. return [];
  568. }
  569. if (!shared.isString(target)) {
  570. Vue.warn(`[@vue/server-renderer] Teleport target must be a query selector string.`);
  571. return [];
  572. }
  573. ssrRenderTeleport(push, push => {
  574. renderVNodeChildren(push, vnode.children, parentComponent, slotScopeId);
  575. }, target, disabled || disabled === '', parentComponent);
  576. }
  577. const { isVNode: isVNode$1 } = Vue.ssrUtils;
  578. async function unrollBuffer$1(buffer) {
  579. if (buffer.hasAsync) {
  580. let ret = '';
  581. for (let i = 0; i < buffer.length; i++) {
  582. let item = buffer[i];
  583. if (shared.isPromise(item)) {
  584. item = await item;
  585. }
  586. if (shared.isString(item)) {
  587. ret += item;
  588. }
  589. else {
  590. ret += await unrollBuffer$1(item);
  591. }
  592. }
  593. return ret;
  594. }
  595. else {
  596. // sync buffer can be more efficiently unrolled without unnecessary await
  597. // ticks
  598. return unrollBufferSync$1(buffer);
  599. }
  600. }
  601. function unrollBufferSync$1(buffer) {
  602. let ret = '';
  603. for (let i = 0; i < buffer.length; i++) {
  604. let item = buffer[i];
  605. if (shared.isString(item)) {
  606. ret += item;
  607. }
  608. else {
  609. // since this is a sync buffer, child buffers are never promises
  610. ret += unrollBufferSync$1(item);
  611. }
  612. }
  613. return ret;
  614. }
  615. async function renderToString(input, context = {}) {
  616. if (isVNode$1(input)) {
  617. // raw vnode, wrap with app (for context)
  618. return renderToString(Vue.createApp({ render: () => input }), context);
  619. }
  620. // rendering an app
  621. const vnode = Vue.createVNode(input._component, input._props);
  622. vnode.appContext = input._context;
  623. // provide the ssr context to the tree
  624. input.provide(Vue.ssrContextKey, context);
  625. const buffer = await renderComponentVNode(vnode);
  626. const result = await unrollBuffer$1(buffer);
  627. await resolveTeleports(context);
  628. if (context.__watcherHandles) {
  629. for (const unwatch of context.__watcherHandles) {
  630. unwatch();
  631. }
  632. }
  633. return result;
  634. }
  635. async function resolveTeleports(context) {
  636. if (context.__teleportBuffers) {
  637. context.teleports = context.teleports || {};
  638. for (const key in context.__teleportBuffers) {
  639. // note: it's OK to await sequentially here because the Promises were
  640. // created eagerly in parallel.
  641. context.teleports[key] = await unrollBuffer$1(await Promise.all([context.__teleportBuffers[key]]));
  642. }
  643. }
  644. }
  645. const { isVNode } = Vue.ssrUtils;
  646. async function unrollBuffer(buffer, stream) {
  647. if (buffer.hasAsync) {
  648. for (let i = 0; i < buffer.length; i++) {
  649. let item = buffer[i];
  650. if (shared.isPromise(item)) {
  651. item = await item;
  652. }
  653. if (shared.isString(item)) {
  654. stream.push(item);
  655. }
  656. else {
  657. await unrollBuffer(item, stream);
  658. }
  659. }
  660. }
  661. else {
  662. // sync buffer can be more efficiently unrolled without unnecessary await
  663. // ticks
  664. unrollBufferSync(buffer, stream);
  665. }
  666. }
  667. function unrollBufferSync(buffer, stream) {
  668. for (let i = 0; i < buffer.length; i++) {
  669. let item = buffer[i];
  670. if (shared.isString(item)) {
  671. stream.push(item);
  672. }
  673. else {
  674. // since this is a sync buffer, child buffers are never promises
  675. unrollBufferSync(item, stream);
  676. }
  677. }
  678. }
  679. function renderToSimpleStream(input, context, stream) {
  680. if (isVNode(input)) {
  681. // raw vnode, wrap with app (for context)
  682. return renderToSimpleStream(Vue.createApp({ render: () => input }), context, stream);
  683. }
  684. // rendering an app
  685. const vnode = Vue.createVNode(input._component, input._props);
  686. vnode.appContext = input._context;
  687. // provide the ssr context to the tree
  688. input.provide(Vue.ssrContextKey, context);
  689. Promise.resolve(renderComponentVNode(vnode))
  690. .then(buffer => unrollBuffer(buffer, stream))
  691. .then(() => resolveTeleports(context))
  692. .then(() => {
  693. if (context.__watcherHandles) {
  694. for (const unwatch of context.__watcherHandles) {
  695. unwatch();
  696. }
  697. }
  698. })
  699. .then(() => stream.push(null))
  700. .catch(error => {
  701. stream.destroy(error);
  702. });
  703. return stream;
  704. }
  705. /**
  706. * @deprecated
  707. */
  708. function renderToStream(input, context = {}) {
  709. console.warn(`[@vue/server-renderer] renderToStream is deprecated - use renderToNodeStream instead.`);
  710. return renderToNodeStream(input, context);
  711. }
  712. function renderToNodeStream(input, context = {}) {
  713. const stream = new (require('stream').Readable)({ read() { } })
  714. ;
  715. if (!stream) {
  716. throw new Error(`ESM build of renderToStream() does not support renderToNodeStream(). ` +
  717. `Use pipeToNodeWritable() with an existing Node.js Writable stream ` +
  718. `instance instead.`);
  719. }
  720. return renderToSimpleStream(input, context, stream);
  721. }
  722. function pipeToNodeWritable(input, context = {}, writable) {
  723. renderToSimpleStream(input, context, {
  724. push(content) {
  725. if (content != null) {
  726. writable.write(content);
  727. }
  728. else {
  729. writable.end();
  730. }
  731. },
  732. destroy(err) {
  733. writable.destroy(err);
  734. }
  735. });
  736. }
  737. function renderToWebStream(input, context = {}) {
  738. if (typeof ReadableStream !== 'function') {
  739. throw new Error(`ReadableStream constructor is not available in the global scope. ` +
  740. `If the target environment does support web streams, consider using ` +
  741. `pipeToWebWritable() with an existing WritableStream instance instead.`);
  742. }
  743. const encoder = new TextEncoder();
  744. let cancelled = false;
  745. return new ReadableStream({
  746. start(controller) {
  747. renderToSimpleStream(input, context, {
  748. push(content) {
  749. if (cancelled)
  750. return;
  751. if (content != null) {
  752. controller.enqueue(encoder.encode(content));
  753. }
  754. else {
  755. controller.close();
  756. }
  757. },
  758. destroy(err) {
  759. controller.error(err);
  760. }
  761. });
  762. },
  763. cancel() {
  764. cancelled = true;
  765. }
  766. });
  767. }
  768. function pipeToWebWritable(input, context = {}, writable) {
  769. const writer = writable.getWriter();
  770. const encoder = new TextEncoder();
  771. // #4287 CloudFlare workers do not implement `ready` property
  772. let hasReady = false;
  773. try {
  774. hasReady = shared.isPromise(writer.ready);
  775. }
  776. catch (e) { }
  777. renderToSimpleStream(input, context, {
  778. async push(content) {
  779. if (hasReady) {
  780. await writer.ready;
  781. }
  782. if (content != null) {
  783. return writer.write(encoder.encode(content));
  784. }
  785. else {
  786. return writer.close();
  787. }
  788. },
  789. destroy(err) {
  790. // TODO better error handling?
  791. console.log(err);
  792. writer.close();
  793. }
  794. });
  795. }
  796. Vue.initDirectivesForSSR();
  797. exports.ssrIncludeBooleanAttr = shared.includeBooleanAttr;
  798. exports.pipeToNodeWritable = pipeToNodeWritable;
  799. exports.pipeToWebWritable = pipeToWebWritable;
  800. exports.renderToNodeStream = renderToNodeStream;
  801. exports.renderToSimpleStream = renderToSimpleStream;
  802. exports.renderToStream = renderToStream;
  803. exports.renderToString = renderToString;
  804. exports.renderToWebStream = renderToWebStream;
  805. exports.ssrGetDirectiveProps = ssrGetDirectiveProps;
  806. exports.ssrGetDynamicModelProps = ssrGetDynamicModelProps;
  807. exports.ssrInterpolate = ssrInterpolate;
  808. exports.ssrLooseContain = ssrLooseContain;
  809. exports.ssrLooseEqual = ssrLooseEqual;
  810. exports.ssrRenderAttr = ssrRenderAttr;
  811. exports.ssrRenderAttrs = ssrRenderAttrs;
  812. exports.ssrRenderClass = ssrRenderClass;
  813. exports.ssrRenderComponent = ssrRenderComponent;
  814. exports.ssrRenderDynamicAttr = ssrRenderDynamicAttr;
  815. exports.ssrRenderDynamicModel = ssrRenderDynamicModel;
  816. exports.ssrRenderList = ssrRenderList;
  817. exports.ssrRenderSlot = ssrRenderSlot;
  818. exports.ssrRenderSlotInner = ssrRenderSlotInner;
  819. exports.ssrRenderStyle = ssrRenderStyle;
  820. exports.ssrRenderSuspense = ssrRenderSuspense;
  821. exports.ssrRenderTeleport = ssrRenderTeleport;
  822. exports.ssrRenderVNode = renderVNode;