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