wip: defineContext -> useOptions
This commit is contained in:
Evan You
parent
292a657861
commit
001f8ce993
@ -56,25 +56,7 @@ return { color }
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}"
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`;
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exports[`SFC compile <script setup> defineContext() 1`] = `
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"export default {
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props: {
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foo: String
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},
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emit: ['a', 'b'],
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setup(__props, { props, emit }) {
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const bar = 1
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return { props, emit, bar }
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}
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}"
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`;
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exports[`SFC compile <script setup> errors should allow defineContext() referencing imported binding 1`] = `
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exports[`SFC compile <script setup> errors should allow useOptions() referencing imported binding 1`] = `
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"import { bar } from './bar'
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export default {
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@ -93,7 +75,7 @@ return { bar }
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}"
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`;
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exports[`SFC compile <script setup> errors should allow defineContext() referencing scope var 1`] = `
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exports[`SFC compile <script setup> errors should allow useOptions() referencing scope var 1`] = `
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"export default {
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props: {
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foo: {
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@ -393,7 +375,40 @@ return { a, b, c, d, x }
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}"
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`;
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exports[`SFC compile <script setup> with TypeScript defineContext w/ runtime options 1`] = `
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exports[`SFC compile <script setup> useOptions() 1`] = `
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"export default {
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props: {
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foo: String
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},
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emit: ['a', 'b'],
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setup(__props, { props, emit }) {
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const bar = 1
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return { props, emit, bar }
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}
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}"
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`;
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exports[`SFC compile <script setup> with TypeScript hoist type declarations 1`] = `
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"import { defineComponent } from 'vue'
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export interface Foo {}
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type Bar = {}
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export default defineComponent({
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setup() {
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return { }
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}
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript useOptions w/ runtime options 1`] = `
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"import { defineComponent } from 'vue'
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@ -410,7 +425,7 @@ return { props, emit }
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript defineContext w/ type / extract emits (union) 1`] = `
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exports[`SFC compile <script setup> with TypeScript useOptions w/ type / extract emits (union) 1`] = `
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"import { Slots, defineComponent } from 'vue'
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@ -431,7 +446,7 @@ return { emit }
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript defineContext w/ type / extract emits 1`] = `
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exports[`SFC compile <script setup> with TypeScript useOptions w/ type / extract emits 1`] = `
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"import { Slots, defineComponent } from 'vue'
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@ -452,7 +467,7 @@ return { emit }
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript defineContext w/ type / extract props 1`] = `
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exports[`SFC compile <script setup> with TypeScript useOptions w/ type / extract props 1`] = `
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"import { defineComponent } from 'vue'
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interface Test {}
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@ -488,21 +503,6 @@ export default defineComponent({
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return { }
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}
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})"
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`;
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exports[`SFC compile <script setup> with TypeScript hoist type declarations 1`] = `
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"import { defineComponent } from 'vue'
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export interface Foo {}
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type Bar = {}
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export default defineComponent({
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setup() {
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return { }
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}
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@ -36,11 +36,11 @@ describe('SFC compile <script setup>', () => {
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expect(content).toMatch('return { a, b, c, d, x }')
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})
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test('defineContext()', () => {
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test('useOptions()', () => {
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const { content, bindings } = compile(`
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<script setup>
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import { defineContext } from 'vue'
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const { props, emit } = defineContext({
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import { useOptions } from 'vue'
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const { props, emit } = useOptions({
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props: {
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foo: String
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},
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@ -60,8 +60,8 @@ const bar = 1
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emit: 'const'
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})
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// should remove defineContext import and call
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expect(content).not.toMatch('defineContext')
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// should remove useOptions import and call
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expect(content).not.toMatch('useOptions')
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// should generate correct setup signature
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expect(content).toMatch(`setup(__props, { props, emit }) {`)
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// should include context options in default export
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@ -143,7 +143,7 @@ const bar = 1
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const { content } = compile(
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`
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<script setup>
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import { ref, defineContext } from 'vue'
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import { ref, useOptions } from 'vue'
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import Foo from './Foo.vue'
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import other from './util'
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const count = ref(0)
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@ -183,11 +183,11 @@ const bar = 1
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assertCode(content)
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})
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test('defineContext w/ runtime options', () => {
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test('useOptions w/ runtime options', () => {
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const { content } = compile(`
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<script setup lang="ts">
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import { defineContext } from 'vue'
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const { props, emit } = defineContext({
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import { useOptions } from 'vue'
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const { props, emit } = useOptions({
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props: { foo: String },
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emits: ['a', 'b']
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})
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@ -200,15 +200,15 @@ const { props, emit } = defineContext({
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setup(__props, { props, emit }) {`)
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})
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test('defineContext w/ type / extract props', () => {
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test('useOptions w/ type / extract props', () => {
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const { content, bindings } = compile(`
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<script setup lang="ts">
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import { defineContext } from 'vue'
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import { useOptions } from 'vue'
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interface Test {}
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type Alias = number[]
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defineContext<{
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useOptions<{
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props: {
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string: string
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number: number
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@ -288,11 +288,11 @@ const { props, emit } = defineContext({
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})
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})
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test('defineContext w/ type / extract emits', () => {
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test('useOptions w/ type / extract emits', () => {
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const { content } = compile(`
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<script setup lang="ts">
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import { defineContext } from 'vue'
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const { emit } = defineContext<{
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import { useOptions } from 'vue'
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const { emit } = useOptions<{
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emit: (e: 'foo' | 'bar') => void
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}>()
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</script>
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@ -302,11 +302,11 @@ const { props, emit } = defineContext({
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expect(content).toMatch(`emits: ["foo", "bar"] as unknown as undefined`)
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})
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test('defineContext w/ type / extract emits (union)', () => {
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test('useOptions w/ type / extract emits (union)', () => {
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const { content } = compile(`
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<script setup lang="ts">
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import { defineContext } from 'vue'
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const { emit } = defineContext<{
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import { useOptions } from 'vue'
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const { emit } = useOptions<{
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emit: ((e: 'foo' | 'bar') => void) | ((e: 'baz', id: number) => void)
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}>()
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</script>
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@ -633,21 +633,21 @@ const { props, emit } = defineContext({
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).toThrow(`ref: statements can only contain assignment expressions`)
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})
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test('defineContext() w/ both type and non-type args', () => {
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test('useOptions() w/ both type and non-type args', () => {
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expect(() => {
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compile(`<script setup lang="ts">
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import { defineContext } from 'vue'
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defineContext<{}>({})
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import { useOptions } from 'vue'
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useOptions<{}>({})
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</script>`)
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}).toThrow(`cannot accept both type and non-type arguments`)
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})
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test('defineContext() referencing local var', () => {
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test('useOptions() referencing local var', () => {
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expect(() =>
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compile(`<script setup>
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import { defineContext } from 'vue'
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import { useOptions } from 'vue'
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const bar = 1
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defineContext({
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useOptions({
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props: {
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foo: {
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default: () => bar
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@ -658,24 +658,24 @@ const { props, emit } = defineContext({
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).toThrow(`cannot reference locally declared variables`)
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})
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test('defineContext() referencing ref declarations', () => {
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test('useOptions() referencing ref declarations', () => {
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expect(() =>
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compile(`<script setup>
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import { defineContext } from 'vue'
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import { useOptions } from 'vue'
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ref: bar = 1
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defineContext({
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useOptions({
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props: { bar }
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})
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</script>`)
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).toThrow(`cannot reference locally declared variables`)
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})
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test('should allow defineContext() referencing scope var', () => {
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test('should allow useOptions() referencing scope var', () => {
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assertCode(
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compile(`<script setup>
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import { defineContext } from 'vue'
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import { useOptions } from 'vue'
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const bar = 1
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defineContext({
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useOptions({
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props: {
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foo: {
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default: bar => bar + 1
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@ -686,12 +686,12 @@ const { props, emit } = defineContext({
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)
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})
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test('should allow defineContext() referencing imported binding', () => {
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test('should allow useOptions() referencing imported binding', () => {
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assertCode(
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compile(`<script setup>
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import { defineContext } from 'vue'
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import { useOptions } from 'vue'
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import { bar } from './bar'
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defineContext({
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useOptions({
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props: {
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foo: {
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default: () => bar
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@ -901,8 +901,8 @@ describe('SFC analyze <script> bindings', () => {
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it('works for script setup', () => {
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const { bindings } = compile(`
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<script setup>
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import { defineContext } from 'vue'
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defineContext({
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import { useOptions } from 'vue'
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useOptions({
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props: {
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foo: String,
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}
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@ -28,7 +28,7 @@ import { genCssVarsCode, injectCssVarsCalls } from './genCssVars'
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import { compileTemplate, SFCTemplateCompileOptions } from './compileTemplate'
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import { BindingTypes } from 'packages/compiler-core/src/options'
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const CTX_FN_NAME = 'defineContext'
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const USE_OPTIONS = 'useOptions'
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export interface SFCScriptCompileOptions {
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/**
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@ -143,10 +143,10 @@ export function compileScript(
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const refIdentifiers: Set<Identifier> = new Set()
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const enableRefSugar = options.refSugar !== false
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let defaultExport: Node | undefined
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let hasContextCall = false
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let setupContextExp: string | undefined
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let setupContextArg: ObjectExpression | undefined
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let setupContextType: TSTypeLiteral | undefined
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let hasOptionsCall = false
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let optionsExp: string | undefined
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let optionsArg: ObjectExpression | undefined
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let optionsType: TSTypeLiteral | undefined
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let hasAwait = false
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const s = new MagicString(source)
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@ -183,39 +183,39 @@ export function compileScript(
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)
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}
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function processContextCall(node: Node): boolean {
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function processUseOptions(node: Node): boolean {
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if (
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node.type === 'CallExpression' &&
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node.callee.type === 'Identifier' &&
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node.callee.name === CTX_FN_NAME
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node.callee.name === USE_OPTIONS
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) {
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if (hasContextCall) {
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error('duplicate defineContext() call', node)
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if (hasOptionsCall) {
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error(`duplicate ${USE_OPTIONS}() call`, node)
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}
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hasContextCall = true
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hasOptionsCall = true
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const optsArg = node.arguments[0]
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if (optsArg) {
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if (optsArg.type === 'ObjectExpression') {
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setupContextArg = optsArg
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optionsArg = optsArg
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} else {
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error(`${CTX_FN_NAME}() argument must be an object literal.`, optsArg)
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error(`${USE_OPTIONS}() argument must be an object literal.`, optsArg)
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}
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}
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// context call has type parameters - infer runtime types from it
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if (node.typeParameters) {
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if (setupContextArg) {
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if (optionsArg) {
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error(
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`${CTX_FN_NAME}() cannot accept both type and non-type arguments ` +
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`${USE_OPTIONS}() cannot accept both type and non-type arguments ` +
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`at the same time. Use one or the other.`,
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node
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)
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}
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const typeArg = node.typeParameters.params[0]
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if (typeArg.type === 'TSTypeLiteral') {
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setupContextType = typeArg
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optionsType = typeArg
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} else {
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error(
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`type argument passed to ${CTX_FN_NAME}() must be a literal type.`,
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`type argument passed to ${USE_OPTIONS}() must be a literal type.`,
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typeArg
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)
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}
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@ -513,7 +513,7 @@ export function compileScript(
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specifier.imported.name
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const source = node.source.value
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const existing = userImports[local]
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if (source === 'vue' && imported === CTX_FN_NAME) {
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if (source === 'vue' && imported === USE_OPTIONS) {
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removed++
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s.remove(
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prev ? prev.end! + startOffset : specifier.start! + startOffset,
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@ -545,18 +545,15 @@ export function compileScript(
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if (
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node.type === 'ExpressionStatement' &&
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processContextCall(node.expression)
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processUseOptions(node.expression)
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) {
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s.remove(node.start! + startOffset, node.end! + startOffset)
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}
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if (node.type === 'VariableDeclaration' && !node.declare) {
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for (const decl of node.declarations) {
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if (decl.init && processContextCall(decl.init)) {
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setupContextExp = scriptSetup.content.slice(
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decl.id.start!,
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decl.id.end!
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)
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if (decl.init && processUseOptions(decl.init)) {
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optionsExp = scriptSetup.content.slice(decl.id.start!, decl.id.end!)
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if (node.declarations.length === 1) {
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s.remove(node.start! + startOffset, node.end! + startOffset)
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} else {
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@ -649,8 +646,8 @@ export function compileScript(
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}
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// 5. extract runtime props/emits code from setup context type
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if (setupContextType) {
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for (const m of setupContextType.members) {
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if (optionsType) {
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for (const m of optionsType.members) {
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if (m.type === 'TSPropertySignature' && m.key.type === 'Identifier') {
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const typeNode = m.typeAnnotation!.typeAnnotation
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const typeString = scriptSetup.content.slice(
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@ -688,13 +685,13 @@ export function compileScript(
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}
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}
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// 5. check useSetupContext args to make sure it doesn't reference setup scope
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// 5. check useOptions args to make sure it doesn't reference setup scope
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// variables
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if (setupContextArg) {
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walkIdentifiers(setupContextArg, id => {
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if (optionsArg) {
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walkIdentifiers(optionsArg, id => {
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if (setupBindings[id.name]) {
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error(
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`\`${CTX_FN_NAME}()\` in <script setup> cannot reference locally ` +
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`\`${USE_OPTIONS}()\` in <script setup> cannot reference locally ` +
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`declared variables because it will be hoisted outside of the ` +
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`setup() function. If your component options requires initialization ` +
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`in the module scope, use a separate normal <script> to export ` +
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@ -725,8 +722,8 @@ export function compileScript(
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}
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// 7. finalize setup argument signature.
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let args = setupContextExp ? `__props, ${setupContextExp}` : ``
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if (setupContextExp && setupContextType) {
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let args = optionsExp ? `__props, ${optionsExp}` : ``
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if (optionsExp && optionsType) {
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if (slotsType === 'Slots') {
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helperImports.add('Slots')
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}
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@ -761,13 +758,13 @@ export function compileScript(
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if (scriptAst) {
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Object.assign(bindingMetadata, analyzeScriptBindings(scriptAst))
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}
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if (setupContextType) {
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if (optionsType) {
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for (const key in typeDeclaredProps) {
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bindingMetadata[key] = BindingTypes.PROPS
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}
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}
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if (setupContextArg) {
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Object.assign(bindingMetadata, analyzeBindingsFromOptions(setupContextArg))
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if (optionsArg) {
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Object.assign(bindingMetadata, analyzeBindingsFromOptions(optionsArg))
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}
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for (const [key, { source }] of Object.entries(userImports)) {
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bindingMetadata[key] = source.endsWith('.vue')
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@ -818,11 +815,11 @@ export function compileScript(
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// 12. finalize default export
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let runtimeOptions = ``
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if (setupContextArg) {
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if (optionsArg) {
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runtimeOptions = `\n ${scriptSetup.content
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.slice(setupContextArg.start! + 1, setupContextArg.end! - 1)
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.slice(optionsArg.start! + 1, optionsArg.end! - 1)
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.trim()},`
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} else if (setupContextType) {
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} else if (optionsType) {
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runtimeOptions =
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genRuntimeProps(typeDeclaredProps) + genRuntimeEmits(typeDeclaredEmits)
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}
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@ -896,18 +893,18 @@ function walkDeclaration(
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const isConst = node.kind === 'const'
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// export const foo = ...
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for (const { id, init } of node.declarations) {
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const isContextCall = !!(
|
||||
const isUseOptionsCall = !!(
|
||||
isConst &&
|
||||
init &&
|
||||
init.type === 'CallExpression' &&
|
||||
init.callee.type === 'Identifier' &&
|
||||
init.callee.name === CTX_FN_NAME
|
||||
init.callee.name === USE_OPTIONS
|
||||
)
|
||||
if (id.type === 'Identifier') {
|
||||
bindings[id.name] =
|
||||
// if a declaration is a const literal, we can mark it so that
|
||||
// the generated render fn code doesn't need to unref() it
|
||||
isContextCall ||
|
||||
isUseOptionsCall ||
|
||||
(isConst &&
|
||||
init!.type !== 'Identifier' && // const a = b
|
||||
init!.type !== 'CallExpression' && // const a = ref()
|
||||
@ -915,9 +912,9 @@ function walkDeclaration(
|
||||
? BindingTypes.CONST
|
||||
: BindingTypes.SETUP
|
||||
} else if (id.type === 'ObjectPattern') {
|
||||
walkObjectPattern(id, bindings, isConst, isContextCall)
|
||||
walkObjectPattern(id, bindings, isConst, isUseOptionsCall)
|
||||
} else if (id.type === 'ArrayPattern') {
|
||||
walkArrayPattern(id, bindings, isConst, isContextCall)
|
||||
walkArrayPattern(id, bindings, isConst, isUseOptionsCall)
|
||||
}
|
||||
}
|
||||
} else if (
|
||||
@ -934,7 +931,7 @@ function walkObjectPattern(
|
||||
node: ObjectPattern,
|
||||
bindings: Record<string, BindingTypes>,
|
||||
isConst: boolean,
|
||||
isContextCall = false
|
||||
isUseOptionsCall = false
|
||||
) {
|
||||
for (const p of node.properties) {
|
||||
if (p.type === 'ObjectProperty') {
|
||||
@ -942,11 +939,11 @@ function walkObjectPattern(
|
||||
if (p.key.type === 'Identifier') {
|
||||
if (p.key === p.value) {
|
||||
// const { x } = ...
|
||||
bindings[p.key.name] = isContextCall
|
||||
bindings[p.key.name] = isUseOptionsCall
|
||||
? BindingTypes.CONST
|
||||
: BindingTypes.SETUP
|
||||
} else {
|
||||
walkPattern(p.value, bindings, isConst, isContextCall)
|
||||
walkPattern(p.value, bindings, isConst, isUseOptionsCall)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
@ -963,10 +960,10 @@ function walkArrayPattern(
|
||||
node: ArrayPattern,
|
||||
bindings: Record<string, BindingTypes>,
|
||||
isConst: boolean,
|
||||
isContextCall = false
|
||||
isUseOptionsCall = false
|
||||
) {
|
||||
for (const e of node.elements) {
|
||||
e && walkPattern(e, bindings, isConst, isContextCall)
|
||||
e && walkPattern(e, bindings, isConst, isUseOptionsCall)
|
||||
}
|
||||
}
|
||||
|
||||
@ -974,10 +971,10 @@ function walkPattern(
|
||||
node: Node,
|
||||
bindings: Record<string, BindingTypes>,
|
||||
isConst: boolean,
|
||||
isContextCall = false
|
||||
isUseOptionsCall = false
|
||||
) {
|
||||
if (node.type === 'Identifier') {
|
||||
bindings[node.name] = isContextCall
|
||||
bindings[node.name] = isUseOptionsCall
|
||||
? BindingTypes.CONST
|
||||
: BindingTypes.SETUP
|
||||
} else if (node.type === 'RestElement') {
|
||||
@ -991,7 +988,7 @@ function walkPattern(
|
||||
walkArrayPattern(node, bindings, isConst)
|
||||
} else if (node.type === 'AssignmentPattern') {
|
||||
if (node.left.type === 'Identifier') {
|
||||
bindings[node.left.name] = isContextCall
|
||||
bindings[node.left.name] = isUseOptionsCall
|
||||
? BindingTypes.CONST
|
||||
: BindingTypes.SETUP
|
||||
} else {
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
import { Slots } from './componentSlots'
|
||||
import { warn } from './warning'
|
||||
import { Slots } from '../componentSlots'
|
||||
import { warn } from '../warning'
|
||||
|
||||
interface DefaultContext {
|
||||
props: Record<string, unknown>
|
||||
@ -8,7 +8,13 @@ interface DefaultContext {
|
||||
slots: Slots
|
||||
}
|
||||
|
||||
export function defineContext<T extends Partial<DefaultContext> = {}>(
|
||||
/**
|
||||
* Compile-time-only helper used for declaring options and retrieving props
|
||||
* and the setup context inside <script setup>.
|
||||
* This is stripped away in the compiled code and should never be actually
|
||||
* called at runtime.
|
||||
*/
|
||||
export function useOptions<T extends Partial<DefaultContext> = {}>(
|
||||
opts?: any // TODO infer
|
||||
): { [K in keyof DefaultContext]: T[K] extends {} ? T[K] : DefaultContext[K] } {
|
||||
if (__DEV__) {
|
||||
@ -43,7 +43,7 @@ export { provide, inject } from './apiInject'
|
||||
export { nextTick } from './scheduler'
|
||||
export { defineComponent } from './apiDefineComponent'
|
||||
export { defineAsyncComponent } from './apiAsyncComponent'
|
||||
export { defineContext } from './apiDefineContext'
|
||||
export { useOptions } from './helpers/useOptions'
|
||||
|
||||
// Advanced API ----------------------------------------------------------------
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user