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import {
Component,
ComponentInternalInstance,
ComponentOptions,
formatComponentName,
getComponentName,
getCurrentInstance,
isRuntimeOnly
} from '../component'
import { warn } from '../warning'
export const enum DeprecationTypes {
GLOBAL_MOUNT = 'GLOBAL_MOUNT',
GLOBAL_MOUNT_CONTAINER = 'GLOBAL_MOUNT_CONTAINER',
GLOBAL_EXTEND = 'GLOBAL_EXTEND',
GLOBAL_PROTOTYPE = 'GLOBAL_PROTOTYPE',
GLOBAL_SET = 'GLOBAL_SET',
GLOBAL_DELETE = 'GLOBAL_DELETE',
GLOBAL_OBSERVABLE = 'GLOBAL_OBSERVABLE',
GLOBAL_PRIVATE_UTIL = 'GLOBAL_PRIVATE_UTIL',
CONFIG_SILENT = 'CONFIG_SILENT',
CONFIG_DEVTOOLS = 'CONFIG_DEVTOOLS',
CONFIG_KEY_CODES = 'CONFIG_KEY_CODES',
CONFIG_PRODUCTION_TIP = 'CONFIG_PRODUCTION_TIP',
CONFIG_IGNORED_ELEMENTS = 'CONFIG_IGNORED_ELEMENTS',
CONFIG_WHITESPACE = 'CONFIG_WHITESPACE',
CONFIG_OPTION_MERGE_STRATS = 'CONFIG_OPTION_MERGE_STRATS',
INSTANCE_SET = 'INSTANCE_SET',
INSTANCE_DELETE = 'INSTANCE_DELETE',
INSTANCE_DESTROY = 'INSTANCE_DESTROY',
INSTANCE_EVENT_EMITTER = 'INSTANCE_EVENT_EMITTER',
INSTANCE_EVENT_HOOKS = 'INSTANCE_EVENT_HOOKS',
INSTANCE_CHILDREN = 'INSTANCE_CHILDREN',
INSTANCE_LISTENERS = 'INSTANCE_LISTENERS',
INSTANCE_SCOPED_SLOTS = 'INSTANCE_SCOPED_SLOTS',
INSTANCE_ATTRS_CLASS_STYLE = 'INSTANCE_ATTRS_CLASS_STYLE',
OPTIONS_DATA_FN = 'OPTIONS_DATA_FN',
OPTIONS_DATA_MERGE = 'OPTIONS_DATA_MERGE',
OPTIONS_BEFORE_DESTROY = 'OPTIONS_BEFORE_DESTROY',
OPTIONS_DESTROYED = 'OPTIONS_DESTROYED',
WATCH_ARRAY = 'WATCH_ARRAY',
PROPS_DEFAULT_THIS = 'PROPS_DEFAULT_THIS',
V_ON_KEYCODE_MODIFIER = 'V_ON_KEYCODE_MODIFIER',
CUSTOM_DIR = 'CUSTOM_DIR',
ATTR_FALSE_VALUE = 'ATTR_FALSE_VALUE',
ATTR_ENUMERATED_COERCION = 'ATTR_ENUMERATED_COERCION',
TRANSITION_CLASSES = 'TRANSITION_CLASSES',
TRANSITION_GROUP_ROOT = 'TRANSITION_GROUP_ROOT',
COMPONENT_ASYNC = 'COMPONENT_ASYNC',
COMPONENT_FUNCTIONAL = 'COMPONENT_FUNCTIONAL',
COMPONENT_V_MODEL = 'COMPONENT_V_MODEL',
RENDER_FUNCTION = 'RENDER_FUNCTION',
FILTERS = 'FILTERS',
PRIVATE_APIS = 'PRIVATE_APIS'
}
type DeprecationData = {
message: string | ((...args: any[]) => string)
link?: string
}
export const deprecationData: Record<DeprecationTypes, DeprecationData> = {
[DeprecationTypes.GLOBAL_MOUNT]: {
message:
`The global app bootstrapping API has changed: vm.$mount() and the "el" ` +
`option have been removed. Use createApp(RootComponent).mount() instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/global-api.html#mounting-app-instance`
},
[DeprecationTypes.GLOBAL_MOUNT_CONTAINER]: {
message:
`Vue detected directives on the mount container. ` +
`In Vue 3, the container is no longer considered part of the template ` +
`and will not be processed/replaced.`,
link: `https://v3-migration.vuejs.org/breaking-changes/mount-changes.html`
},
[DeprecationTypes.GLOBAL_EXTEND]: {
message:
`Vue.extend() has been removed in Vue 3. ` +
`Use defineComponent() instead.`,
link: `https://vuejs.org/api/general.html#definecomponent`
},
[DeprecationTypes.GLOBAL_PROTOTYPE]: {
message:
`Vue.prototype is no longer available in Vue 3. ` +
`Use app.config.globalProperties instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/global-api.html#vue-prototype-replaced-by-config-globalproperties`
},
[DeprecationTypes.GLOBAL_SET]: {
message:
`Vue.set() has been removed as it is no longer needed in Vue 3. ` +
`Simply use native JavaScript mutations.`
},
[DeprecationTypes.GLOBAL_DELETE]: {
message:
`Vue.delete() has been removed as it is no longer needed in Vue 3. ` +
`Simply use native JavaScript mutations.`
},
[DeprecationTypes.GLOBAL_OBSERVABLE]: {
message:
`Vue.observable() has been removed. ` +
`Use \`import { reactive } from "vue"\` from Composition API instead.`,
link: `https://vuejs.org/api/reactivity-core.html#reactive`
},
[DeprecationTypes.GLOBAL_PRIVATE_UTIL]: {
message:
`Vue.util has been removed. Please refactor to avoid its usage ` +
`since it was an internal API even in Vue 2.`
},
[DeprecationTypes.CONFIG_SILENT]: {
message:
`config.silent has been removed because it is not good practice to ` +
`intentionally suppress warnings. You can use your browser console's ` +
`filter features to focus on relevant messages.`
},
[DeprecationTypes.CONFIG_DEVTOOLS]: {
message:
`config.devtools has been removed. To enable devtools for ` +
`production, configure the __VUE_PROD_DEVTOOLS__ compile-time flag.`,
link: `https://github.com/vuejs/core/tree/main/packages/vue#bundler-build-feature-flags`
},
[DeprecationTypes.CONFIG_KEY_CODES]: {
message:
`config.keyCodes has been removed. ` +
`In Vue 3, you can directly use the kebab-case key names as v-on modifiers.`,
link: `https://v3-migration.vuejs.org/breaking-changes/keycode-modifiers.html`
},
[DeprecationTypes.CONFIG_PRODUCTION_TIP]: {
message: `config.productionTip has been removed.`,
link: `https://v3-migration.vuejs.org/breaking-changes/global-api.html#config-productiontip-removed`
},
[DeprecationTypes.CONFIG_IGNORED_ELEMENTS]: {
message: () => {
let msg = `config.ignoredElements has been removed.`
if (isRuntimeOnly()) {
msg += ` Pass the "isCustomElement" option to @vue/compiler-dom instead.`
} else {
msg += ` Use config.isCustomElement instead.`
}
return msg
},
link: `https://v3-migration.vuejs.org/breaking-changes/global-api.html#config-ignoredelements-is-now-config-iscustomelement`
},
[DeprecationTypes.CONFIG_WHITESPACE]: {
// this warning is only relevant in the full build when using runtime
// compilation, so it's put in the runtime compatConfig list.
message:
`Vue 3 compiler's whitespace option will default to "condense" instead of ` +
`"preserve". To suppress this warning, provide an explicit value for ` +
`\`config.compilerOptions.whitespace\`.`
},
[DeprecationTypes.CONFIG_OPTION_MERGE_STRATS]: {
message:
`config.optionMergeStrategies no longer exposes internal strategies. ` +
`Use custom merge functions instead.`
},
[DeprecationTypes.INSTANCE_SET]: {
message:
`vm.$set() has been removed as it is no longer needed in Vue 3. ` +
`Simply use native JavaScript mutations.`
},
[DeprecationTypes.INSTANCE_DELETE]: {
message:
`vm.$delete() has been removed as it is no longer needed in Vue 3. ` +
`Simply use native JavaScript mutations.`
},
[DeprecationTypes.INSTANCE_DESTROY]: {
message: `vm.$destroy() has been removed. Use app.unmount() instead.`,
link: `https://vuejs.org/api/application.html#app-unmount`
},
[DeprecationTypes.INSTANCE_EVENT_EMITTER]: {
message:
`vm.$on/$once/$off() have been removed. ` +
`Use an external event emitter library instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/events-api.html`
},
[DeprecationTypes.INSTANCE_EVENT_HOOKS]: {
message: event =>
`"${event}" lifecycle events are no longer supported. From templates, ` +
`use the "vnode" prefix instead of "hook:". For example, @${event} ` +
`should be changed to @vnode-${event.slice(5)}. ` +
`From JavaScript, use Composition API to dynamically register lifecycle ` +
`hooks.`,
link: `https://v3-migration.vuejs.org/breaking-changes/vnode-lifecycle-events.html`
},
[DeprecationTypes.INSTANCE_CHILDREN]: {
message:
`vm.$children has been removed. Consider refactoring your logic ` +
`to avoid relying on direct access to child components.`,
link: `https://v3-migration.vuejs.org/breaking-changes/children.html`
},
[DeprecationTypes.INSTANCE_LISTENERS]: {
message:
`vm.$listeners has been removed. In Vue 3, parent v-on listeners are ` +
`included in vm.$attrs and it is no longer necessary to separately use ` +
`v-on="$listeners" if you are already using v-bind="$attrs". ` +
`(Note: the Vue 3 behavior only applies if this compat config is disabled)`,
link: `https://v3-migration.vuejs.org/breaking-changes/listeners-removed.html`
},
[DeprecationTypes.INSTANCE_SCOPED_SLOTS]: {
message: `vm.$scopedSlots has been removed. Use vm.$slots instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/slots-unification.html`
},
[DeprecationTypes.INSTANCE_ATTRS_CLASS_STYLE]: {
message: componentName =>
`Component <${
componentName || 'Anonymous'
}> has \`inheritAttrs: false\` but is ` +
`relying on class/style fallthrough from parent. In Vue 3, class/style ` +
`are now included in $attrs and will no longer fallthrough when ` +
`inheritAttrs is false. If you are already using v-bind="$attrs" on ` +
`component root it should render the same end result. ` +
`If you are binding $attrs to a non-root element and expecting ` +
`class/style to fallthrough on root, you will need to now manually bind ` +
`them on root via :class="$attrs.class".`,
link: `https://v3-migration.vuejs.org/breaking-changes/attrs-includes-class-style.html`
},
[DeprecationTypes.OPTIONS_DATA_FN]: {
message:
`The "data" option can no longer be a plain object. ` +
`Always use a function.`,
link: `https://v3-migration.vuejs.org/breaking-changes/data-option.html`
},
[DeprecationTypes.OPTIONS_DATA_MERGE]: {
message: (key: string) =>
`Detected conflicting key "${key}" when merging data option values. ` +
`In Vue 3, data keys are merged shallowly and will override one another.`,
link: `https://v3-migration.vuejs.org/breaking-changes/data-option.html#mixin-merge-behavior-change`
},
[DeprecationTypes.OPTIONS_BEFORE_DESTROY]: {
message: `\`beforeDestroy\` has been renamed to \`beforeUnmount\`.`
},
[DeprecationTypes.OPTIONS_DESTROYED]: {
message: `\`destroyed\` has been renamed to \`unmounted\`.`
},
[DeprecationTypes.WATCH_ARRAY]: {
message:
`"watch" option or vm.$watch on an array value will no longer ` +
`trigger on array mutation unless the "deep" option is specified. ` +
`If current usage is intended, you can disable the compat behavior and ` +
`suppress this warning with:` +
`\n\n configureCompat({ ${DeprecationTypes.WATCH_ARRAY}: false })\n`,
link: `https://v3-migration.vuejs.org/breaking-changes/watch.html`
},
[DeprecationTypes.PROPS_DEFAULT_THIS]: {
message: (key: string) =>
`props default value function no longer has access to "this". The compat ` +
`build only offers access to this.$options.` +
`(found in prop "${key}")`,
link: `https://v3-migration.vuejs.org/breaking-changes/props-default-this.html`
},
[DeprecationTypes.CUSTOM_DIR]: {
message: (legacyHook: string, newHook: string) =>
`Custom directive hook "${legacyHook}" has been removed. ` +
`Use "${newHook}" instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/custom-directives.html`
},
[DeprecationTypes.V_ON_KEYCODE_MODIFIER]: {
message:
`Using keyCode as v-on modifier is no longer supported. ` +
`Use kebab-case key name modifiers instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/keycode-modifiers.html`
},
[DeprecationTypes.ATTR_FALSE_VALUE]: {
message: (name: string) =>
`Attribute "${name}" with v-bind value \`false\` will render ` +
`${name}="false" instead of removing it in Vue 3. To remove the attribute, ` +
`use \`null\` or \`undefined\` instead. If the usage is intended, ` +
`you can disable the compat behavior and suppress this warning with:` +
`\n\n configureCompat({ ${DeprecationTypes.ATTR_FALSE_VALUE}: false })\n`,
link: `https://v3-migration.vuejs.org/breaking-changes/attribute-coercion.html`
},
[DeprecationTypes.ATTR_ENUMERATED_COERCION]: {
message: (name: string, value: any, coerced: string) =>
`Enumerated attribute "${name}" with v-bind value \`${value}\` will ` +
`${
value === null ? `be removed` : `render the value as-is`
} instead of coercing the value to "${coerced}" in Vue 3. ` +
`Always use explicit "true" or "false" values for enumerated attributes. ` +
`If the usage is intended, ` +
`you can disable the compat behavior and suppress this warning with:` +
`\n\n configureCompat({ ${DeprecationTypes.ATTR_ENUMERATED_COERCION}: false })\n`,
link: `https://v3-migration.vuejs.org/breaking-changes/attribute-coercion.html`
},
[DeprecationTypes.TRANSITION_CLASSES]: {
message: `` // this feature cannot be runtime-detected
},
[DeprecationTypes.TRANSITION_GROUP_ROOT]: {
message:
`<TransitionGroup> no longer renders a root <span> element by ` +
`default if no "tag" prop is specified. If you do not rely on the span ` +
`for styling, you can disable the compat behavior and suppress this ` +
`warning with:` +
`\n\n configureCompat({ ${DeprecationTypes.TRANSITION_GROUP_ROOT}: false })\n`,
link: `https://v3-migration.vuejs.org/breaking-changes/transition-group.html`
},
[DeprecationTypes.COMPONENT_ASYNC]: {
message: (comp: any) => {
const name = getComponentName(comp)
return (
`Async component${
name ? ` <${name}>` : `s`
} should be explicitly created via \`defineAsyncComponent()\` ` +
`in Vue 3. Plain functions will be treated as functional components in ` +
`non-compat build. If you have already migrated all async component ` +
`usage and intend to use plain functions for functional components, ` +
`you can disable the compat behavior and suppress this ` +
`warning with:` +
`\n\n configureCompat({ ${DeprecationTypes.COMPONENT_ASYNC}: false })\n`
)
},
link: `https://v3-migration.vuejs.org/breaking-changes/async-components.html`
},
[DeprecationTypes.COMPONENT_FUNCTIONAL]: {
message: (comp: any) => {
const name = getComponentName(comp)
return (
`Functional component${
name ? ` <${name}>` : `s`
} should be defined as a plain function in Vue 3. The "functional" ` +
`option has been removed. NOTE: Before migrating to use plain ` +
`functions for functional components, first make sure that all async ` +
`components usage have been migrated and its compat behavior has ` +
`been disabled.`
)
},
link: `https://v3-migration.vuejs.org/breaking-changes/functional-components.html`
},
[DeprecationTypes.COMPONENT_V_MODEL]: {
message: (comp: ComponentOptions) => {
const configMsg =
`opt-in to ` +
`Vue 3 behavior on a per-component basis with \`compatConfig: { ${DeprecationTypes.COMPONENT_V_MODEL}: false }\`.`
Iif (
comp.props &&
(isArray(comp.props)
? comp.props.includes('modelValue')
: hasOwn(comp.props, 'modelValue'))
) {
return (
`Component declares "modelValue" prop, which is Vue 3 usage, but ` +
`is running under Vue 2 compat v-model behavior. You can ${configMsg}`
)
}
return (
`v-model usage on component has changed in Vue 3. Component that expects ` +
`to work with v-model should now use the "modelValue" prop and emit the ` +
`"update:modelValue" event. You can update the usage and then ${configMsg}`
)
},
link: `https://v3-migration.vuejs.org/breaking-changes/v-model.html`
},
[DeprecationTypes.RENDER_FUNCTION]: {
message:
`Vue 3's render function API has changed. ` +
`You can opt-in to the new API with:` +
`\n\n configureCompat({ ${DeprecationTypes.RENDER_FUNCTION}: false })\n` +
`\n (This can also be done per-component via the "compatConfig" option.)`,
link: `https://v3-migration.vuejs.org/breaking-changes/render-function-api.html`
},
[DeprecationTypes.FILTERS]: {
message:
`filters have been removed in Vue 3. ` +
`The "|" symbol will be treated as native JavaScript bitwise OR operator. ` +
`Use method calls or computed properties instead.`,
link: `https://v3-migration.vuejs.org/breaking-changes/filters.html`
},
[DeprecationTypes.PRIVATE_APIS]: {
message: name =>
`"${name}" is a Vue 2 private API that no longer exists in Vue 3. ` +
`If you are seeing this warning only due to a dependency, you can ` +
`suppress this warning via { PRIVATE_APIS: 'suppress-warning' }.`
}
}
const instanceWarned: Record<string, true> = Object.create(null)
const warnCount: Record<string, number> = Object.create(null)
// test only
let warningEnabled = true
export function toggleDeprecationWarning(flag: boolean) {
warningEnabled = flag
}
export function warnDeprecation(
key: DeprecationTypes,
instance: ComponentInternalInstance | null,
...args: any[]
) {
Iif (!__DEV__) {
return
}
if (__TEST__ && !warningEnabled) {
return
}
instance = instance || getCurrentInstance()
// check user config
const config = getCompatConfigForKey(key, instance)
if (config === 'suppress-warning') {
return
}
const dupKey = key + args.join('')
let compId: string | number | null =
instance && formatComponentName(instance, instance.type)
if (compId === 'Anonymous' && instance) {
compId = instance.uid
}
// skip if the same warning is emitted for the same component type
const componentDupKey = dupKey + compId
Iif (!__TEST__ && componentDupKey in instanceWarned) {
return
}
instanceWarned[componentDupKey] = true
// same warning, but different component. skip the long message and just
// log the key and count.
Iif (!__TEST__ && dupKey in warnCount) {
warn(`(deprecation ${key}) (${++warnCount[dupKey] + 1})`)
return
}
warnCount[dupKey] = 0
const { message, link } = deprecationData[key]
warn(
`(deprecation ${key}) ${
typeof message === 'function' ? message(...args) : message
}${link ? `\n Details: ${link}` : ``}`
)
Iif (!isCompatEnabled(key, instance, true)) {
console.error(
`^ The above deprecation's compat behavior is disabled and will likely ` +
`lead to runtime errors.`
)
}
}
export type CompatConfig = Partial<
Record<DeprecationTypes, boolean | 'suppress-warning'>
> & {
MODE?: 2 | 3 | ((comp: Component | null) => 2 | 3)
}
export const globalCompatConfig: CompatConfig = {
MODE: 2
}
export function configureCompat(config: CompatConfig) {
if (__DEV__) {
validateCompatConfig(config)
}
extend(globalCompatConfig, config)
}
const seenConfigObjects = /*#__PURE__*/ new WeakSet<CompatConfig>()
const warnedInvalidKeys: Record<string, boolean> = {}
// dev only
export function validateCompatConfig(
config: CompatConfig,
instance?: ComponentInternalInstance
) {
if (seenConfigObjects.has(config)) {
return
}
seenConfigObjects.add(config)
for (const key of Object.keys(config)) {
Iif (
key !== 'MODE' &&
!(key in deprecationData) &&
!(key in warnedInvalidKeys)
) {
if (key.startsWith('COMPILER_')) {
Iif (isRuntimeOnly()) {
warn(
`Deprecation config "${key}" is compiler-specific and you are ` +
`running a runtime-only build of Vue. This deprecation should be ` +
`configured via compiler options in your build setup instead.\n` +
`Details: https://v3-migration.vuejs.org/breaking-changes/migration-build.html`
)
}
} else {
warn(`Invalid deprecation config "${key}".`)
}
warnedInvalidKeys[key] = true
}
}
Iif (instance && config[DeprecationTypes.OPTIONS_DATA_MERGE] != null) {
warn(
`Deprecation config "${DeprecationTypes.OPTIONS_DATA_MERGE}" can only be configured globally.`
)
}
}
export function getCompatConfigForKey(
key: DeprecationTypes | 'MODE',
instance: ComponentInternalInstance | null
) {
const instanceConfig =
instance && (instance.type as ComponentOptions).compatConfig
if (instanceConfig && key in instanceConfig) {
return instanceConfig[key]
}
return globalCompatConfig[key]
}
export function isCompatEnabled(
key: DeprecationTypes,
instance: ComponentInternalInstance | null,
enableForBuiltIn = false
): boolean {
// skip compat for built-in components
if (!enableForBuiltIn && instance && instance.type.__isBuiltIn) {
return false
}
const rawMode = getCompatConfigForKey('MODE', instance) || 2
const val = getCompatConfigForKey(key, instance)
const mode = isFunction(rawMode)
? rawMode(instance && instance.type)
: rawMode
if (mode === 2) {
return val !== false
} else {
return val === true || val === 'suppress-warning'
}
}
/**
* Use this for features that are completely removed in non-compat build.
*/
export function assertCompatEnabled(
key: DeprecationTypes,
instance: ComponentInternalInstance | null,
...args: any[]
) {
Iif (!isCompatEnabled(key, instance)) {
throw new Error(`${key} compat has been disabled.`)
} else if (__DEV__) {
warnDeprecation(key, instance, ...args)
}
}
/**
* Use this for features where legacy usage is still possible, but will likely
* lead to runtime error if compat is disabled. (warn in all cases)
*/
export function softAssertCompatEnabled(
key: DeprecationTypes,
instance: ComponentInternalInstance | null,
...args: any[]
) {
if (__DEV__) {
warnDeprecation(key, instance, ...args)
}
return isCompatEnabled(key, instance)
}
/**
* Use this for features with the same syntax but with mutually exclusive
* behavior in 2 vs 3. Only warn if compat is enabled.
* e.g. render function
*/
export function checkCompatEnabled(
key: DeprecationTypes,
instance: ComponentInternalInstance | null,
...args: any[]
) {
const enabled = isCompatEnabled(key, instance)
if (__DEV__ && enabled) {
warnDeprecation(key, instance, ...args)
}
return enabled
}
// run tests in v3 mode by default
if (__TEST__) {
configureCompat({
MODE: 3
})
}
|