'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); var vue = require('vue'); var shared = require('@vue/shared'); var compilerSsr = require('@vue/compiler-ssr'); // leading comma for empty string "" const shouldIgnoreProp = shared.makeMap(`,key,ref,innerHTML,textContent,ref_key,ref_for`); function ssrRenderAttrs(props, tag) { let ret = ''; for (const key in props) { if (shouldIgnoreProp(key) || shared.isOn(key) || (tag === 'textarea' && key === 'value')) { continue; } const value = props[key]; if (key === 'class') { ret += ` class="${ssrRenderClass(value)}"`; } else if (key === 'style') { ret += ` style="${ssrRenderStyle(value)}"`; } else { ret += ssrRenderDynamicAttr(key, value, tag); } } return ret; } // render an attr with dynamic (unknown) key. function ssrRenderDynamicAttr(key, value, tag) { if (!isRenderableValue(value)) { return ``; } const attrKey = tag && (tag.indexOf('-') > 0 || shared.isSVGTag(tag)) ? key // preserve raw name on custom elements and svg : shared.propsToAttrMap[key] || key.toLowerCase(); if (shared.isBooleanAttr(attrKey)) { return shared.includeBooleanAttr(value) ? ` ${attrKey}` : ``; } else if (shared.isSSRSafeAttrName(attrKey)) { return value === '' ? ` ${attrKey}` : ` ${attrKey}="${shared.escapeHtml(value)}"`; } else { console.warn(`[@vue/server-renderer] Skipped rendering unsafe attribute name: ${attrKey}`); return ``; } } // Render a v-bind attr with static key. The key is pre-processed at compile // time and we only need to check and escape value. function ssrRenderAttr(key, value) { if (!isRenderableValue(value)) { return ``; } return ` ${key}="${shared.escapeHtml(value)}"`; } function isRenderableValue(value) { if (value == null) { return false; } const type = typeof value; return type === 'string' || type === 'number' || type === 'boolean'; } function ssrRenderClass(raw) { return shared.escapeHtml(shared.normalizeClass(raw)); } function ssrRenderStyle(raw) { if (!raw) { return ''; } if (shared.isString(raw)) { return shared.escapeHtml(raw); } const styles = shared.normalizeStyle(raw); return shared.escapeHtml(shared.stringifyStyle(styles)); } const compileCache = Object.create(null); function ssrCompile(template, instance) { // TODO: This is copied from runtime-core/src/component.ts and should probably be refactored const Component = instance.type; const { isCustomElement, compilerOptions } = instance.appContext.config; const { delimiters, compilerOptions: componentCompilerOptions } = Component; const finalCompilerOptions = shared.extend(shared.extend({ isCustomElement, delimiters }, compilerOptions), componentCompilerOptions); finalCompilerOptions.isCustomElement = finalCompilerOptions.isCustomElement || shared.NO; finalCompilerOptions.isNativeTag = finalCompilerOptions.isNativeTag || shared.NO; const cacheKey = JSON.stringify({ template, compilerOptions: finalCompilerOptions }, (key, value) => { return shared.isFunction(value) ? value.toString() : value; }); const cached = compileCache[cacheKey]; if (cached) { return cached; } finalCompilerOptions.onError = (err) => { { throw err; } }; const { code } = compilerSsr.compile(template, finalCompilerOptions); return (compileCache[cacheKey] = Function('require', code)(require)); } function ssrRenderTeleport(parentPush, contentRenderFn, target, disabled, parentComponent) { parentPush(''); const context = parentComponent.appContext.provides[vue.ssrContextKey]; const teleportBuffers = context.__teleportBuffers || (context.__teleportBuffers = {}); const targetBuffer = teleportBuffers[target] || (teleportBuffers[target] = []); // record current index of the target buffer to handle nested teleports // since the parent needs to be rendered before the child const bufferIndex = targetBuffer.length; let teleportContent; if (disabled) { contentRenderFn(parentPush); teleportContent = ``; } else { const { getBuffer, push } = createBuffer(); contentRenderFn(push); push(``); teleportContent = getBuffer(); } targetBuffer.splice(bufferIndex, 0, teleportContent); parentPush(''); } const { createComponentInstance, setCurrentRenderingInstance, setupComponent, renderComponentRoot, normalizeVNode } = vue.ssrUtils; // Each component has a buffer array. // A buffer array can contain one of the following: // - plain string // - A resolved buffer (recursive arrays of strings that can be unrolled // synchronously) // - An async buffer (a Promise that resolves to a resolved buffer) function createBuffer() { let appendable = false; const buffer = []; return { getBuffer() { // Return static buffer and await on items during unroll stage return buffer; }, push(item) { const isStringItem = shared.isString(item); if (appendable && isStringItem) { buffer[buffer.length - 1] += item; } else { buffer.push(item); } appendable = isStringItem; if (shared.isPromise(item) || (shared.isArray(item) && item.hasAsync)) { // promise, or child buffer with async, mark as async. // this allows skipping unnecessary await ticks during unroll stage buffer.hasAsync = true; } } }; } function renderComponentVNode(vnode, parentComponent = null, slotScopeId) { const instance = createComponentInstance(vnode, parentComponent, null); const res = setupComponent(instance, true /* isSSR */); const hasAsyncSetup = shared.isPromise(res); const prefetches = instance.sp; /* LifecycleHooks.SERVER_PREFETCH */ if (hasAsyncSetup || prefetches) { let p = hasAsyncSetup ? res : Promise.resolve(); if (prefetches) { p = p .then(() => Promise.all(prefetches.map(prefetch => prefetch.call(instance.proxy)))) // Note: error display is already done by the wrapped lifecycle hook function. .catch(() => { }); } return p.then(() => renderComponentSubTree(instance, slotScopeId)); } else { return renderComponentSubTree(instance, slotScopeId); } } function renderComponentSubTree(instance, slotScopeId) { const comp = instance.type; const { getBuffer, push } = createBuffer(); if (shared.isFunction(comp)) { let root = renderComponentRoot(instance); // #5817 scope ID attrs not falling through if functional component doesn't // have props if (!comp.props) { for (const key in instance.attrs) { if (key.startsWith(`data-v-`)) { (root.props || (root.props = {}))[key] = ``; } } } renderVNode(push, (instance.subTree = root), instance, slotScopeId); } else { if ((!instance.render || instance.render === shared.NOOP) && !instance.ssrRender && !comp.ssrRender && shared.isString(comp.template)) { comp.ssrRender = ssrCompile(comp.template, instance); } // perf: enable caching of computed getters during render // since there cannot be state mutations during render. for (const e of instance.scope.effects) { if (e.computed) e.computed._cacheable = true; } const ssrRender = instance.ssrRender || comp.ssrRender; if (ssrRender) { // optimized // resolve fallthrough attrs let attrs = instance.inheritAttrs !== false ? instance.attrs : undefined; let hasCloned = false; let cur = instance; while (true) { const scopeId = cur.vnode.scopeId; if (scopeId) { if (!hasCloned) { attrs = { ...attrs }; hasCloned = true; } attrs[scopeId] = ''; } const parent = cur.parent; if (parent && parent.subTree && parent.subTree === cur.vnode) { // parent is a non-SSR compiled component and is rendering this // component as root. inherit its scopeId if present. cur = parent; } else { break; } } if (slotScopeId) { if (!hasCloned) attrs = { ...attrs }; attrs[slotScopeId.trim()] = ''; } // set current rendering instance for asset resolution const prev = setCurrentRenderingInstance(instance); try { ssrRender(instance.proxy, push, instance, attrs, // compiler-optimized bindings instance.props, instance.setupState, instance.data, instance.ctx); } finally { setCurrentRenderingInstance(prev); } } else if (instance.render && instance.render !== shared.NOOP) { renderVNode(push, (instance.subTree = renderComponentRoot(instance)), instance, slotScopeId); } else { const componentName = comp.name || comp.__file || ``; vue.warn(`Component ${componentName} is missing template or render function.`); push(``); } } return getBuffer(); } function renderVNode(push, vnode, parentComponent, slotScopeId) { const { type, shapeFlag, children } = vnode; switch (type) { case vue.Text: push(shared.escapeHtml(children)); break; case vue.Comment: push(children ? `` : ``); break; case vue.Static: push(children); break; case vue.Fragment: if (vnode.slotScopeIds) { slotScopeId = (slotScopeId ? slotScopeId + ' ' : '') + vnode.slotScopeIds.join(' '); } push(``); // open renderVNodeChildren(push, children, parentComponent, slotScopeId); push(``); // close break; default: if (shapeFlag & 1 /* ShapeFlags.ELEMENT */) { renderElementVNode(push, vnode, parentComponent, slotScopeId); } else if (shapeFlag & 6 /* ShapeFlags.COMPONENT */) { push(renderComponentVNode(vnode, parentComponent, slotScopeId)); } else if (shapeFlag & 64 /* ShapeFlags.TELEPORT */) { renderTeleportVNode(push, vnode, parentComponent, slotScopeId); } else if (shapeFlag & 128 /* ShapeFlags.SUSPENSE */) { renderVNode(push, vnode.ssContent, parentComponent, slotScopeId); } else { vue.warn('[@vue/server-renderer] Invalid VNode type:', type, `(${typeof type})`); } } } function renderVNodeChildren(push, children, parentComponent, slotScopeId) { for (let i = 0; i < children.length; i++) { renderVNode(push, normalizeVNode(children[i]), parentComponent, slotScopeId); } } function renderElementVNode(push, vnode, parentComponent, slotScopeId) { const tag = vnode.type; let { props, children, shapeFlag, scopeId, dirs } = vnode; let openTag = `<${tag}`; if (dirs) { props = applySSRDirectives(vnode, props, dirs); } if (props) { openTag += ssrRenderAttrs(props, tag); } if (scopeId) { openTag += ` ${scopeId}`; } // inherit parent chain scope id if this is the root node let curParent = parentComponent; let curVnode = vnode; while (curParent && curVnode === curParent.subTree) { curVnode = curParent.vnode; if (curVnode.scopeId) { openTag += ` ${curVnode.scopeId}`; } curParent = curParent.parent; } if (slotScopeId) { openTag += ` ${slotScopeId}`; } push(openTag + `>`); if (!shared.isVoidTag(tag)) { let hasChildrenOverride = false; if (props) { if (props.innerHTML) { hasChildrenOverride = true; push(props.innerHTML); } else if (props.textContent) { hasChildrenOverride = true; push(shared.escapeHtml(props.textContent)); } else if (tag === 'textarea' && props.value) { hasChildrenOverride = true; push(shared.escapeHtml(props.value)); } } if (!hasChildrenOverride) { if (shapeFlag & 8 /* ShapeFlags.TEXT_CHILDREN */) { push(shared.escapeHtml(children)); } else if (shapeFlag & 16 /* ShapeFlags.ARRAY_CHILDREN */) { renderVNodeChildren(push, children, parentComponent, slotScopeId); } } push(``); } } function applySSRDirectives(vnode, rawProps, dirs) { const toMerge = []; for (let i = 0; i < dirs.length; i++) { const binding = dirs[i]; const { dir: { getSSRProps } } = binding; if (getSSRProps) { const props = getSSRProps(binding, vnode); if (props) toMerge.push(props); } } return vue.mergeProps(rawProps || {}, ...toMerge); } function renderTeleportVNode(push, vnode, parentComponent, slotScopeId) { const target = vnode.props && vnode.props.to; const disabled = vnode.props && vnode.props.disabled; if (!target) { if (!disabled) { vue.warn(`[@vue/server-renderer] Teleport is missing target prop.`); } return []; } if (!shared.isString(target)) { vue.warn(`[@vue/server-renderer] Teleport target must be a query selector string.`); return []; } ssrRenderTeleport(push, push => { renderVNodeChildren(push, vnode.children, parentComponent, slotScopeId); }, target, disabled || disabled === '', parentComponent); } const { isVNode } = vue.ssrUtils; async function unrollBuffer(buffer) { if (buffer.hasAsync) { let ret = ''; for (let i = 0; i < buffer.length; i++) { let item = buffer[i]; if (shared.isPromise(item)) { item = await item; } if (shared.isString(item)) { ret += item; } else { ret += await unrollBuffer(item); } } return ret; } else { // sync buffer can be more efficiently unrolled without unnecessary await // ticks return unrollBufferSync(buffer); } } function unrollBufferSync(buffer) { let ret = ''; for (let i = 0; i < buffer.length; i++) { let item = buffer[i]; if (shared.isString(item)) { ret += item; } else { // since this is a sync buffer, child buffers are never promises ret += unrollBufferSync(item); } } return ret; } async function renderToString(input, context = {}) { if (isVNode(input)) { // raw vnode, wrap with app (for context) return renderToString(vue.createApp({ render: () => input }), context); } // rendering an app const vnode = vue.createVNode(input._component, input._props); vnode.appContext = input._context; // provide the ssr context to the tree input.provide(vue.ssrContextKey, context); const buffer = await renderComponentVNode(vnode); const result = await unrollBuffer(buffer); await resolveTeleports(context); if (context.__watcherHandles) { for (const unwatch of context.__watcherHandles) { unwatch(); } } return result; } async function resolveTeleports(context) { if (context.__teleportBuffers) { context.teleports = context.teleports || {}; for (const key in context.__teleportBuffers) { // note: it's OK to await sequentially here because the Promises were // created eagerly in parallel. context.teleports[key] = await unrollBuffer(await Promise.all([context.__teleportBuffers[key]])); } } } const { isVNode: isVNode$1 } = vue.ssrUtils; async function unrollBuffer$1(buffer, stream) { if (buffer.hasAsync) { for (let i = 0; i < buffer.length; i++) { let item = buffer[i]; if (shared.isPromise(item)) { item = await item; } if (shared.isString(item)) { stream.push(item); } else { await unrollBuffer$1(item, stream); } } } else { // sync buffer can be more efficiently unrolled without unnecessary await // ticks unrollBufferSync$1(buffer, stream); } } function unrollBufferSync$1(buffer, stream) { for (let i = 0; i < buffer.length; i++) { let item = buffer[i]; if (shared.isString(item)) { stream.push(item); } else { // since this is a sync buffer, child buffers are never promises unrollBufferSync$1(item, stream); } } } function renderToSimpleStream(input, context, stream) { if (isVNode$1(input)) { // raw vnode, wrap with app (for context) return renderToSimpleStream(vue.createApp({ render: () => input }), context, stream); } // rendering an app const vnode = vue.createVNode(input._component, input._props); vnode.appContext = input._context; // provide the ssr context to the tree input.provide(vue.ssrContextKey, context); Promise.resolve(renderComponentVNode(vnode)) .then(buffer => unrollBuffer$1(buffer, stream)) .then(() => resolveTeleports(context)) .then(() => { if (context.__watcherHandles) { for (const unwatch of context.__watcherHandles) { unwatch(); } } }) .then(() => stream.push(null)) .catch(error => { stream.destroy(error); }); return stream; } /** * @deprecated */ function renderToStream(input, context = {}) { console.warn(`[@vue/server-renderer] renderToStream is deprecated - use renderToNodeStream instead.`); return renderToNodeStream(input, context); } function renderToNodeStream(input, context = {}) { const stream = new (require('stream').Readable)({ read() { } }) ; if (!stream) { throw new Error(`ESM build of renderToStream() does not support renderToNodeStream(). ` + `Use pipeToNodeWritable() with an existing Node.js Writable stream ` + `instance instead.`); } return renderToSimpleStream(input, context, stream); } function pipeToNodeWritable(input, context = {}, writable) { renderToSimpleStream(input, context, { push(content) { if (content != null) { writable.write(content); } else { writable.end(); } }, destroy(err) { writable.destroy(err); } }); } function renderToWebStream(input, context = {}) { if (typeof ReadableStream !== 'function') { throw new Error(`ReadableStream constructor is not available in the global scope. ` + `If the target environment does support web streams, consider using ` + `pipeToWebWritable() with an existing WritableStream instance instead.`); } const encoder = new TextEncoder(); let cancelled = false; return new ReadableStream({ start(controller) { renderToSimpleStream(input, context, { push(content) { if (cancelled) return; if (content != null) { controller.enqueue(encoder.encode(content)); } else { controller.close(); } }, destroy(err) { controller.error(err); } }); }, cancel() { cancelled = true; } }); } function pipeToWebWritable(input, context = {}, writable) { const writer = writable.getWriter(); const encoder = new TextEncoder(); // #4287 CloudFlare workers do not implement `ready` property let hasReady = false; try { hasReady = shared.isPromise(writer.ready); } catch (e) { } renderToSimpleStream(input, context, { async push(content) { if (hasReady) { await writer.ready; } if (content != null) { return writer.write(encoder.encode(content)); } else { return writer.close(); } }, destroy(err) { // TODO better error handling? console.log(err); writer.close(); } }); } function ssrRenderComponent(comp, props = null, children = null, parentComponent = null, slotScopeId) { return renderComponentVNode(vue.createVNode(comp, props, children), parentComponent, slotScopeId); } function ssrRenderSlot(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId) { // template-compiled slots are always rendered as fragments push(``); ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId); push(``); } function ssrRenderSlotInner(slots, slotName, slotProps, fallbackRenderFn, push, parentComponent, slotScopeId, transition) { const slotFn = slots[slotName]; if (slotFn) { const slotBuffer = []; const bufferedPush = (item) => { slotBuffer.push(item); }; const ret = slotFn(slotProps, bufferedPush, parentComponent, slotScopeId ? ' ' + slotScopeId : ''); if (shared.isArray(ret)) { // normal slot renderVNodeChildren(push, ret, parentComponent, slotScopeId); } else { // ssr slot. // check if the slot renders all comments, in which case use the fallback let isEmptySlot = true; if (transition) { isEmptySlot = false; } else { for (let i = 0; i < slotBuffer.length; i++) { if (!isComment(slotBuffer[i])) { isEmptySlot = false; break; } } } if (isEmptySlot) { if (fallbackRenderFn) { fallbackRenderFn(); } } else { for (let i = 0; i < slotBuffer.length; i++) { push(slotBuffer[i]); } } } } else if (fallbackRenderFn) { fallbackRenderFn(); } } const commentTestRE = /^$/s; const commentRE = //gm; function isComment(item) { if (typeof item !== 'string' || !commentTestRE.test(item)) return false; // if item is '' or '' or '', return true directly if (item.length <= 8) return true; return !item.replace(commentRE, '').trim(); } function ssrInterpolate(value) { return shared.escapeHtml(shared.toDisplayString(value)); } function ssrRenderList(source, renderItem) { if (shared.isArray(source) || shared.isString(source)) { for (let i = 0, l = source.length; i < l; i++) { renderItem(source[i], i); } } else if (typeof source === 'number') { for (let i = 0; i < source; i++) { renderItem(i + 1, i); } } else if (shared.isObject(source)) { if (source[Symbol.iterator]) { const arr = Array.from(source); for (let i = 0, l = arr.length; i < l; i++) { renderItem(arr[i], i); } } else { const keys = Object.keys(source); for (let i = 0, l = keys.length; i < l; i++) { const key = keys[i]; renderItem(source[key], key, i); } } } } async function ssrRenderSuspense(push, { default: renderContent }) { if (renderContent) { renderContent(); } else { push(``); } } function ssrGetDirectiveProps(instance, dir, value, arg, modifiers = {}) { if (typeof dir !== 'function' && dir.getSSRProps) { return (dir.getSSRProps({ dir, instance, value, oldValue: undefined, arg, modifiers }, null) || {}); } return {}; } const ssrLooseEqual = shared.looseEqual; function ssrLooseContain(arr, value) { return shared.looseIndexOf(arr, value) > -1; } // for function ssrRenderDynamicModel(type, model, value) { switch (type) { case 'radio': return shared.looseEqual(model, value) ? ' checked' : ''; case 'checkbox': return (shared.isArray(model) ? ssrLooseContain(model, value) : model) ? ' checked' : ''; default: // text types return ssrRenderAttr('value', model); } } // for function ssrGetDynamicModelProps(existingProps = {}, model) { const { type, value } = existingProps; switch (type) { case 'radio': return shared.looseEqual(model, value) ? { checked: true } : null; case 'checkbox': return (shared.isArray(model) ? ssrLooseContain(model, value) : model) ? { checked: true } : null; default: // text types return { value: model }; } } vue.initDirectivesForSSR(); exports.ssrIncludeBooleanAttr = shared.includeBooleanAttr; exports.pipeToNodeWritable = pipeToNodeWritable; exports.pipeToWebWritable = pipeToWebWritable; exports.renderToNodeStream = renderToNodeStream; exports.renderToSimpleStream = renderToSimpleStream; exports.renderToStream = renderToStream; exports.renderToString = renderToString; exports.renderToWebStream = renderToWebStream; exports.ssrGetDirectiveProps = ssrGetDirectiveProps; exports.ssrGetDynamicModelProps = ssrGetDynamicModelProps; exports.ssrInterpolate = ssrInterpolate; exports.ssrLooseContain = ssrLooseContain; exports.ssrLooseEqual = ssrLooseEqual; exports.ssrRenderAttr = ssrRenderAttr; exports.ssrRenderAttrs = ssrRenderAttrs; exports.ssrRenderClass = ssrRenderClass; exports.ssrRenderComponent = ssrRenderComponent; exports.ssrRenderDynamicAttr = ssrRenderDynamicAttr; exports.ssrRenderDynamicModel = ssrRenderDynamicModel; exports.ssrRenderList = ssrRenderList; exports.ssrRenderSlot = ssrRenderSlot; exports.ssrRenderSlotInner = ssrRenderSlotInner; exports.ssrRenderStyle = ssrRenderStyle; exports.ssrRenderSuspense = ssrRenderSuspense; exports.ssrRenderTeleport = ssrRenderTeleport; exports.ssrRenderVNode = renderVNode;