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'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
? key // preserve raw name on custom elements
: 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('<!--teleport start-->');
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 = `<!--teleport anchor-->`;
}
else {
const { getBuffer, push } = createBuffer();
contentRenderFn(push);
push(`<!--teleport anchor-->`);
teleportContent = getBuffer();
}
targetBuffer.splice(bufferIndex, 0, teleportContent);
parentPush('<!--teleport end-->');
}
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);
ssrRender(instance.proxy, push, instance, attrs,
// compiler-optimized bindings
instance.props, instance.setupState, instance.data, instance.ctx);
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 || `<Anonymous>`;
vue.warn(`Component ${componentName} is missing template or render function.`);
push(`<!---->`);
}
}
return getBuffer();
}
function renderVNode(push, vnode, parentComponent, slotScopeId) {
const { type, shapeFlag, children } = vnode;
switch (type) {
case vue.Text:
push(shared.escapeHtml(children));
break;
case vue.Comment:
push(children ? `<!--${shared.escapeHtmlComment(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 /* ELEMENT */) {
renderElementVNode(push, vnode, parentComponent, slotScopeId);
}
else if (shapeFlag & 6 /* COMPONENT */) {
push(renderComponentVNode(vnode, parentComponent, slotScopeId));
}
else if (shapeFlag & 64 /* TELEPORT */) {
renderTeleportVNode(push, vnode, parentComponent, slotScopeId);
}
else if (shapeFlag & 128 /* 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 += ` ${slotScopeId}`;
}
push(openTag + `>`);
if (!shared.isVoidTag(tag)) {
let hasChildrenOverride = false;
if (props) {
if (props.innerHTML) {
hasChildrenOverride = true;
push(props.innerHTML);
}
else if (props.textContent) {
hasChildrenOverride = true;
push(shared.escapeHtml(props.textContent));
}
else if (tag === 'textarea' && props.value) {
hasChildrenOverride = true;
push(shared.escapeHtml(props.value));
}
}
if (!hasChildrenOverride) {
if (shapeFlag & 8 /* TEXT_CHILDREN */) {
push(shared.escapeHtml(children));
}
else if (shapeFlag & 16 /* ARRAY_CHILDREN */) {
renderVNodeChildren(push, children, parentComponent, slotScopeId);
}
}
push(`</${tag}>`);
}
}
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);
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(() => 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 commentRE = /<!--[^]*?-->/gm;
function isComment(item) {
return (typeof item === 'string' &&
commentRE.test(item) &&
!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 <input :type="type" v-model="model" value="value">
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 <input v-bind="obj" v-model="model">
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;