Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 | 12x 12x 12x 12x 12x 12x 12x 424x 424x 424x 421x 1027x 1027x 473x 554x 1027x 1027x 38x 12x 416x 416x 416x 416x 416x 55x 55x 24x 42x 55x 361x 416x 416x 416x 6x 6x 3x 6x 410x 147x 410x 1x 410x 410x 216x 216x 216x 216x 223x 223x 6x 6x 6x 6x 223x 223x 7x 216x 216x 1x 1x 216x 216x 216x 216x 194x 190x 4x 4x 4x 413x 12x 297x 297x 13x 13x 18x 18x 3x 3x 12x 3x 12x 12x 12x 12x 251x 169x 82x 67x 15x 7x 8x 8x 12x 49x 86x 169x 169x 169x 169x 18x 169x 42x 169x 9x 169x 169x 169x 162x 162x 3x 162x 169x 3x 169x 169x 152x 152x 28x 3x 3x 25x 3x 3x 22x 3x 3x 152x 143x 103x 40x 27x 152x 18x 18x 18x 18x 18x 18x 18x 18x 7x 7x 7x 7x 7x 7x | import {
Comment,
Component,
ComponentInternalInstance,
DirectiveBinding,
Fragment,
FunctionalComponent,
mergeProps,
ssrUtils,
Static,
Text,
VNode,
VNodeArrayChildren,
VNodeProps,
warn
} from 'vue'
import {
escapeHtml,
escapeHtmlComment,
isFunction,
isPromise,
isString,
isVoidTag,
ShapeFlags,
isArray,
NOOP
} from '@vue/shared'
import { ssrRenderAttrs } from './helpers/ssrRenderAttrs'
import { ssrCompile } from './helpers/ssrCompile'
import { ssrRenderTeleport } from './helpers/ssrRenderTeleport'
const {
createComponentInstance,
setCurrentRenderingInstance,
setupComponent,
renderComponentRoot,
normalizeVNode
} = ssrUtils
export type SSRBuffer = SSRBufferItem[] & { hasAsync?: boolean }
export type SSRBufferItem = string | SSRBuffer | Promise<SSRBuffer>
export type PushFn = (item: SSRBufferItem) => void
export type Props = Record<string, unknown>
export type SSRContext = {
[key: string]: any
teleports?: Record<string, string>
__teleportBuffers?: Record<string, SSRBuffer>
}
// 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)
export function createBuffer() {
let appendable = false
const buffer: SSRBuffer = []
return {
getBuffer(): SSRBuffer {
// Return static buffer and await on items during unroll stage
return buffer
},
push(item: SSRBufferItem) {
const isStringItem = isString(item)
if (appendable && isStringItem) {
buffer[buffer.length - 1] += item as string
} else {
buffer.push(item)
}
appendable = isStringItem
if (isPromise(item) || (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
}
}
}
}
export function renderComponentVNode(
vnode: VNode,
parentComponent: ComponentInternalInstance | null = null,
slotScopeId?: string
): SSRBuffer | Promise<SSRBuffer> {
const instance = createComponentInstance(vnode, parentComponent, null)
const res = setupComponent(instance, true /* isSSR */)
const hasAsyncSetup = isPromise(res)
const prefetches = instance.sp /* LifecycleHooks.SERVER_PREFETCH */
if (hasAsyncSetup || prefetches) {
let p: Promise<unknown> = hasAsyncSetup
? (res as Promise<void>)
: 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: ComponentInternalInstance,
slotScopeId?: string
): SSRBuffer | Promise<SSRBuffer> {
const comp = instance.type as Component
const { getBuffer, push } = createBuffer()
if (isFunction(comp)) {
let root = renderComponentRoot(instance)
// #5817 scope ID attrs not falling through if functional component doesn't
// have props
if (!(comp as FunctionalComponent).props) {
for (const key in instance.attrs) {
Iif (key.startsWith(`data-v-`)) {
;(root.props || (root.props = {}))[key] = ``
}
}
}
renderVNode(push, (instance.subTree = root), instance, slotScopeId)
} else {
if (
(!instance.render || instance.render === NOOP) &&
!instance.ssrRender &&
!comp.ssrRender &&
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) {
Iif (!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 !== NOOP) {
renderVNode(
push,
(instance.subTree = renderComponentRoot(instance)),
instance,
slotScopeId
)
} else {
const componentName = comp.name || comp.__file || `<Anonymous>`
warn(`Component ${componentName} is missing template or render function.`)
push(`<!---->`)
}
}
return getBuffer()
}
export function renderVNode(
push: PushFn,
vnode: VNode,
parentComponent: ComponentInternalInstance,
slotScopeId?: string
) {
const { type, shapeFlag, children } = vnode
switch (type) {
case Text:
push(escapeHtml(children as string))
break
case Comment:
push(
children ? `<!--${escapeHtmlComment(children as string)}-->` : `<!---->`
)
break
case Static:
push(children as string)
break
case Fragment:
if (vnode.slotScopeIds) {
slotScopeId =
(slotScopeId ? slotScopeId + ' ' : '') + vnode.slotScopeIds.join(' ')
}
push(`<!--[-->`) // open
renderVNodeChildren(
push,
children as VNodeArrayChildren,
parentComponent,
slotScopeId
)
push(`<!--]-->`) // close
break
default:
if (shapeFlag & ShapeFlags.ELEMENT) {
renderElementVNode(push, vnode, parentComponent, slotScopeId)
} else if (shapeFlag & ShapeFlags.COMPONENT) {
push(renderComponentVNode(vnode, parentComponent, slotScopeId))
} else if (shapeFlag & ShapeFlags.TELEPORT) {
renderTeleportVNode(push, vnode, parentComponent, slotScopeId)
} else if (shapeFlag & ShapeFlags.SUSPENSE) {
renderVNode(push, vnode.ssContent!, parentComponent, slotScopeId)
} else E{
warn(
'[@vue/server-renderer] Invalid VNode type:',
type,
`(${typeof type})`
)
}
}
}
export function renderVNodeChildren(
push: PushFn,
children: VNodeArrayChildren,
parentComponent: ComponentInternalInstance,
slotScopeId: string | undefined
) {
for (let i = 0; i < children.length; i++) {
renderVNode(push, normalizeVNode(children[i]), parentComponent, slotScopeId)
}
}
function renderElementVNode(
push: PushFn,
vnode: VNode,
parentComponent: ComponentInternalInstance,
slotScopeId: string | undefined
) {
const tag = vnode.type as string
let { props, children, shapeFlag, scopeId, dirs } = vnode
let openTag = `<${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: ComponentInternalInstance | null = parentComponent
let curVnode = vnode
while (curParent && curVnode === curParent.subTree) {
curVnode = curParent.vnode
if (curVnode.scopeId) {
openTag += ` ${curVnode.scopeId}`
}
curParent = curParent.parent
}
if (slotScopeId) {
openTag += ` ${slotScopeId}`
}
push(openTag + `>`)
if (!isVoidTag(tag)) {
let hasChildrenOverride = false
if (props) {
if (props.innerHTML) {
hasChildrenOverride = true
push(props.innerHTML)
} else if (props.textContent) {
hasChildrenOverride = true
push(escapeHtml(props.textContent))
} else if (tag === 'textarea' && props.value) {
hasChildrenOverride = true
push(escapeHtml(props.value))
}
}
if (!hasChildrenOverride) {
if (shapeFlag & ShapeFlags.TEXT_CHILDREN) {
push(escapeHtml(children as string))
} else if (shapeFlag & ShapeFlags.ARRAY_CHILDREN) {
renderVNodeChildren(
push,
children as VNodeArrayChildren,
parentComponent,
slotScopeId
)
}
}
push(`</${tag}>`)
}
}
function applySSRDirectives(
vnode: VNode,
rawProps: VNodeProps | null,
dirs: DirectiveBinding[]
): VNodeProps {
const toMerge: VNodeProps[] = []
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 mergeProps(rawProps || {}, ...toMerge)
}
function renderTeleportVNode(
push: PushFn,
vnode: VNode,
parentComponent: ComponentInternalInstance,
slotScopeId: string | undefined
) {
const target = vnode.props && vnode.props.to
const disabled = vnode.props && vnode.props.disabled
Iif (!target) {
Iif (!disabled) {
warn(`[@vue/server-renderer] Teleport is missing target prop.`)
}
return []
}
Iif (!isString(target)) {
warn(
`[@vue/server-renderer] Teleport target must be a query selector string.`
)
return []
}
ssrRenderTeleport(
push,
push => {
renderVNodeChildren(
push,
vnode.children as VNodeArrayChildren,
parentComponent,
slotScopeId
)
},
target,
disabled || disabled === '',
parentComponent
)
}
|