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| 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 | 3x 3x 3x 4221x 4221x 3x 4206x 4206x 3x 3x 287x 287x 287x 287x 287x 287x 287x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 287x 282x 282x 282x 137x 282x 282x 282x 287x 287x 287x 3x 287x 287x 145x 145x 142x 202x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 181x 142x 142x | import type { VNode } from './vnode'
import {
type ComponentInternalInstance,
type ConcreteComponent,
type Data,
formatComponentName,
} from './component'
import { isFunction, isString } from '@vue/shared'
import { isRef, pauseTracking, resetTracking, toRaw } from '@vue/reactivity'
import { ErrorCodes, callWithErrorHandling } from './errorHandling'
type ComponentVNode = VNode & {
type: ConcreteComponent
}
const stack: VNode[] = []
type TraceEntry = {
vnode: ComponentVNode
recurseCount: number
}
type ComponentTraceStack = TraceEntry[]
export function pushWarningContext(vnode: VNode): void {
stack.push(vnode)
}
export function popWarningContext(): void {
stack.pop()
}
let isWarning = false
export function warn(msg: string, ...args: any[]): void {
if (isWarning) return
isWarning = true
// avoid props formatting or warn handler tracking deps that might be mutated
// during patch, leading to infinite recursion.
pauseTracking()
const instance = stack.length ? stack[stack.length - 1].component : null
const appWarnHandler = instance && instance.appContext.config.warnHandler
const trace = getComponentTrace()
if (appWarnHandler) {
callWithErrorHandling(
appWarnHandler,
instance,
ErrorCodes.APP_WARN_HANDLER,
[
// eslint-disable-next-line no-restricted-syntax
msg + args.map(a => a.toString?.() ?? JSON.stringify(a)).join(''),
instance && instance.proxy,
trace
.map(
({ vnode }) => `at <${formatComponentName(instance, vnode.type)}>`,
)
.join('\n'),
trace,
],
)
} else {
const warnArgs = [`[Vue warn]: ${msg}`, ...args]
if (
trace.length &&
// avoid spamming console during tests
!__TEST__
) {
/* v8 ignore next 2 */
warnArgs.push(`\n`, ...formatTrace(trace))
}
console.warn(...warnArgs)
}
resetTracking()
isWarning = false
}
export function getComponentTrace(): ComponentTraceStack {
let currentVNode: VNode | null = stack[stack.length - 1]
if (!currentVNode) {
return []
}
// we can't just use the stack because it will be incomplete during updates
// that did not start from the root. Re-construct the parent chain using
// instance parent pointers.
const normalizedStack: ComponentTraceStack = []
while (currentVNode) {
const last = normalizedStack[0]
if (last && last.vnode === currentVNode) {
last.recurseCount++
} else {
normalizedStack.push({
vnode: currentVNode as ComponentVNode,
recurseCount: 0,
})
}
const parentInstance: ComponentInternalInstance | null =
currentVNode.component && currentVNode.component.parent
currentVNode = parentInstance && parentInstance.vnode
}
return normalizedStack
}
/* v8 ignore start */
function formatTrace(trace: ComponentTraceStack): any[] {
const logs: any[] = []
trace.forEach((entry, i) => {
logs.push(...(i === 0 ? [] : [`\n`]), ...formatTraceEntry(entry))
})
return logs
}
function formatTraceEntry({ vnode, recurseCount }: TraceEntry): any[] {
const postfix =
recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``
const isRoot = vnode.component ? vnode.component.parent == null : false
const open = ` at <${formatComponentName(
vnode.component,
vnode.type,
isRoot,
)}`
const close = `>` + postfix
return vnode.props
? [open, ...formatProps(vnode.props), close]
: [open + close]
}
function formatProps(props: Data): any[] {
const res: any[] = []
const keys = Object.keys(props)
keys.slice(0, 3).forEach(key => {
res.push(...formatProp(key, props[key]))
})
if (keys.length > 3) {
res.push(` ...`)
}
return res
}
function formatProp(key: string, value: unknown): any[]
function formatProp(key: string, value: unknown, raw: true): any
function formatProp(key: string, value: unknown, raw?: boolean): any {
if (isString(value)) {
value = JSON.stringify(value)
return raw ? value : [`${key}=${value}`]
} else if (
typeof value === 'number' ||
typeof value === 'boolean' ||
value == null
) {
return raw ? value : [`${key}=${value}`]
} else if (isRef(value)) {
value = formatProp(key, toRaw(value.value), true)
return raw ? value : [`${key}=Ref<`, value, `>`]
} else if (isFunction(value)) {
return [`${key}=fn${value.name ? `<${value.name}>` : ``}`]
} else {
value = toRaw(value)
return raw ? value : [`${key}=`, value]
}
}
/**
* @internal
*/
export function assertNumber(val: unknown, type: string): void {
if (!__DEV__) return
if (val === undefined) {
return
} else if (typeof val !== 'number') {
warn(`${type} is not a valid number - ` + `got ${JSON.stringify(val)}.`)
} else if (isNaN(val)) {
warn(`${type} is NaN - ` + 'the duration expression might be incorrect.')
}
}
/* v8 ignore stop */
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