/
scriptSetup.ts
383 lines (363 loc) · 15 KB
/
scriptSetup.ts
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import type { ScriptSetupRanges } from '../../parsers/scriptSetupRanges';
import type { Code, Sfc } from '../../types';
import { endOfLine, generateSfcBlockSection, newLine } from '../common';
import { generateComponent } from './component';
import type { ScriptCodegenContext } from './context';
import { ScriptCodegenOptions, codeFeatures } from './index';
import { generateTemplate } from './template';
export function generateScriptSetupImports(
scriptSetup: NonNullable<Sfc['scriptSetup']>,
scriptSetupRanges: ScriptSetupRanges,
): Code {
return [
scriptSetup.content.substring(0, Math.max(scriptSetupRanges.importSectionEndOffset, scriptSetupRanges.leadingCommentEndOffset)) + newLine,
'scriptSetup',
0,
codeFeatures.all,
];
}
export function* generateScriptSetup(
options: ScriptCodegenOptions,
ctx: ScriptCodegenContext,
scriptSetup: NonNullable<Sfc['scriptSetup']>,
scriptSetupRanges: ScriptSetupRanges,
): Generator<Code> {
const definePropMirrors = new Map<string, number>();
if (scriptSetup.generic) {
if (!options.scriptRanges?.exportDefault) {
yield `export default `;
}
yield `(<`;
yield [
scriptSetup.generic,
scriptSetup.name,
scriptSetup.genericOffset,
codeFeatures.all,
];
if (!scriptSetup.generic.endsWith(`,`)) {
yield `,`;
}
yield `>(${newLine}`
+ ` __VLS_props: Awaited<typeof __VLS_setup>['props'],${newLine}`
+ ` __VLS_ctx?: ${ctx.helperTypes.Prettify.name}<Pick<Awaited<typeof __VLS_setup>, 'attrs' | 'emit' | 'slots'>>,${newLine}` // use __VLS_Prettify for less dts code
+ ` __VLS_expose?: NonNullable<Awaited<typeof __VLS_setup>>['expose'],${newLine}`
+ ` __VLS_setup = (async () => {${newLine}`;
yield* generateSetupFunction(options, ctx, scriptSetup, scriptSetupRanges, undefined, definePropMirrors);
yield ` return {} as {${newLine}`
+ ` props: ${ctx.helperTypes.Prettify.name}<typeof __VLS_functionalComponentProps & typeof __VLS_componentProps> & typeof __VLS_publicProps,${newLine}`
+ ` expose(exposed: import('${options.vueCompilerOptions.lib}').ShallowUnwrapRef<${scriptSetupRanges.expose.define ? 'typeof __VLS_exposed' : '{}'}>): void,${newLine}`
+ ` attrs: any,${newLine}`
+ ` slots: ReturnType<typeof __VLS_template>,${newLine}`
+ ` emit: ${scriptSetupRanges.emits.define
? `typeof '${scriptSetupRanges.emits.name ?? '__VLS_emit'} & `
: ''
}typeof __VLS_modelEmitsType,${newLine}`
+ ` }${endOfLine}`;
yield ` })(),${newLine}`; // __VLS_setup = (async () => {
yield `) => ({} as import('${options.vueCompilerOptions.lib}').VNode & { __ctx?: Awaited<typeof __VLS_setup> }))`;
}
else if (!options.sfc.script) {
// no script block, generate script setup code at root
yield* generateSetupFunction(options, ctx, scriptSetup, scriptSetupRanges, 'export default', definePropMirrors);
}
else {
if (!options.scriptRanges?.exportDefault) {
yield `export default `;
}
yield `await (async () => {${newLine}`;
yield* generateSetupFunction(options, ctx, scriptSetup, scriptSetupRanges, 'return', definePropMirrors);
yield `})()`;
}
if (ctx.scriptSetupGeneratedOffset !== undefined) {
for (const defineProp of scriptSetupRanges.defineProp) {
if (!defineProp.name) {
continue;
}
const propName = scriptSetup.content.substring(defineProp.name.start, defineProp.name.end);
const propMirror = definePropMirrors.get(propName);
if (propMirror !== undefined) {
options.linkedCodeMappings.push({
sourceOffsets: [defineProp.name.start + ctx.scriptSetupGeneratedOffset],
generatedOffsets: [propMirror],
lengths: [defineProp.name.end - defineProp.name.start],
data: undefined,
});
}
}
}
}
function* generateSetupFunction(
options: ScriptCodegenOptions,
ctx: ScriptCodegenContext,
scriptSetup: NonNullable<Sfc['scriptSetup']>,
scriptSetupRanges: ScriptSetupRanges,
syntax: 'return' | 'export default' | undefined,
definePropMirrors: Map<string, number>,
): Generator<Code> {
const definePropProposalA = scriptSetup.content.trimStart().startsWith('// @experimentalDefinePropProposal=kevinEdition') || options.vueCompilerOptions.experimentalDefinePropProposal === 'kevinEdition';
const definePropProposalB = scriptSetup.content.trimStart().startsWith('// @experimentalDefinePropProposal=johnsonEdition') || options.vueCompilerOptions.experimentalDefinePropProposal === 'johnsonEdition';
if (options.vueCompilerOptions.target >= 3.3) {
yield `const { `;
for (const macro of Object.keys(options.vueCompilerOptions.macros)) {
if (!ctx.bindingNames.has(macro)) {
yield macro + `, `;
}
}
yield `} = await import('${options.vueCompilerOptions.lib}')${endOfLine}`;
}
if (definePropProposalA) {
yield `declare function defineProp<T>(name: string, options: { required: true } & Record<string, unknown>): import('${options.vueCompilerOptions.lib}').ComputedRef<T>${endOfLine}`;
yield `declare function defineProp<T>(name: string, options: { default: any } & Record<string, unknown>): import('${options.vueCompilerOptions.lib}').ComputedRef<T>${endOfLine}`;
yield `declare function defineProp<T>(name?: string, options?: any): import('${options.vueCompilerOptions.lib}').ComputedRef<T | undefined>${endOfLine}`;
}
if (definePropProposalB) {
yield `declare function defineProp<T>(value: T | (() => T), required?: boolean, rest?: any): import('${options.vueCompilerOptions.lib}').ComputedRef<T>${endOfLine}`;
yield `declare function defineProp<T>(value: T | (() => T) | undefined, required: true, rest?: any): import('${options.vueCompilerOptions.lib}').ComputedRef<T>${endOfLine}`;
yield `declare function defineProp<T>(value?: T | (() => T), required?: boolean, rest?: any): import('${options.vueCompilerOptions.lib}').ComputedRef<T | undefined>${endOfLine}`;
}
ctx.scriptSetupGeneratedOffset = options.getGeneratedLength() - scriptSetupRanges.importSectionEndOffset;
let setupCodeModifies: [Code[], number, number][] = [];
if (scriptSetupRanges.props.define && !scriptSetupRanges.props.name) {
const range = scriptSetupRanges.props.withDefaults ?? scriptSetupRanges.props.define;
const statement = scriptSetupRanges.props.define.statement;
if (statement.start === range.start && statement.end === range.end) {
setupCodeModifies.push([[`const __VLS_props = `], range.start, range.start]);
}
else {
setupCodeModifies.push([[
`const __VLS_props = `,
generateSfcBlockSection(scriptSetup, range.start, range.end, codeFeatures.all),
`${endOfLine}`,
generateSfcBlockSection(scriptSetup, statement.start, range.start, codeFeatures.all),
`__VLS_props`,
], statement.start, range.end]);
}
}
if (scriptSetupRanges.slots.define && !scriptSetupRanges.slots.name) {
setupCodeModifies.push([[`const __VLS_slots = `], scriptSetupRanges.slots.define.start, scriptSetupRanges.slots.define.start]);
}
if (scriptSetupRanges.emits.define && !scriptSetupRanges.emits.name) {
setupCodeModifies.push([[`const __VLS_emit = `], scriptSetupRanges.emits.define.start, scriptSetupRanges.emits.define.start]);
}
if (scriptSetupRanges.expose.define) {
if (scriptSetupRanges.expose.define?.typeArg) {
setupCodeModifies.push([
[
`let __VLS_exposed!: `,
generateSfcBlockSection(scriptSetup, scriptSetupRanges.expose.define.typeArg.start, scriptSetupRanges.expose.define.typeArg.end, codeFeatures.navigation),
`${endOfLine}`,
],
scriptSetupRanges.expose.define.start,
scriptSetupRanges.expose.define.start,
]);
}
else if (scriptSetupRanges.expose.define?.arg) {
setupCodeModifies.push([
[
`const __VLS_exposed = `,
generateSfcBlockSection(scriptSetup, scriptSetupRanges.expose.define.arg.start, scriptSetupRanges.expose.define.arg.end, codeFeatures.navigation),
`${endOfLine}`,
],
scriptSetupRanges.expose.define.start,
scriptSetupRanges.expose.define.start,
]);
}
else {
setupCodeModifies.push([
[`const __VLS_exposed = {}${endOfLine}`],
scriptSetupRanges.expose.define.start,
scriptSetupRanges.expose.define.start,
]);
}
}
setupCodeModifies = setupCodeModifies.sort((a, b) => a[1] - b[1]);
if (setupCodeModifies.length) {
yield generateSfcBlockSection(scriptSetup, scriptSetupRanges.importSectionEndOffset, setupCodeModifies[0][1], codeFeatures.all);
while (setupCodeModifies.length) {
const [codes, _start, end] = setupCodeModifies.shift()!;
for (const code of codes) {
yield code;
}
if (setupCodeModifies.length) {
const nextStart = setupCodeModifies[0][1];
yield generateSfcBlockSection(scriptSetup, end, nextStart, codeFeatures.all);
}
else {
yield generateSfcBlockSection(scriptSetup, end, scriptSetup.content.length, codeFeatures.all);
}
}
}
else {
yield generateSfcBlockSection(scriptSetup, scriptSetupRanges.importSectionEndOffset, scriptSetup.content.length, codeFeatures.all);
}
if (scriptSetupRanges.props.define?.typeArg && scriptSetupRanges.props.withDefaults?.arg) {
// fix https://github.com/vuejs/language-tools/issues/1187
yield `const __VLS_withDefaultsArg = (function <T>(t: T) { return t })(`;
yield generateSfcBlockSection(scriptSetup, scriptSetupRanges.props.withDefaults.arg.start, scriptSetupRanges.props.withDefaults.arg.end, codeFeatures.navigation);
yield `)${endOfLine}`;
}
yield* generateComponentProps(options, ctx, scriptSetup, scriptSetupRanges, definePropMirrors);
yield* generateModelEmits(options, scriptSetup, scriptSetupRanges);
yield* generateTemplate(options, ctx);
if (syntax) {
if (!options.vueCompilerOptions.skipTemplateCodegen && (options.templateCodegen?.hasSlot || scriptSetupRanges?.slots.define)) {
yield `const __VLS_component = `;
yield* generateComponent(options, ctx, scriptSetup, scriptSetupRanges);
yield endOfLine;
yield `${syntax} `;
yield `{} as ${ctx.helperTypes.WithTemplateSlots.name}<typeof __VLS_component, ReturnType<typeof __VLS_template>>${endOfLine}`;
}
else {
yield `${syntax} `;
yield* generateComponent(options, ctx, scriptSetup, scriptSetupRanges);
yield endOfLine;
}
}
}
function* generateComponentProps(
options: ScriptCodegenOptions,
ctx: ScriptCodegenContext,
scriptSetup: NonNullable<Sfc['scriptSetup']>,
scriptSetupRanges: ScriptSetupRanges,
definePropMirrors: Map<string, number>,
): Generator<Code> {
if (scriptSetupRanges.props.define?.arg || scriptSetupRanges.emits.define) {
yield `const __VLS_fnComponent = `
+ `(await import('${options.vueCompilerOptions.lib}')).defineComponent({${newLine}`;
if (scriptSetupRanges.props.define?.arg) {
yield ` props: `;
yield generateSfcBlockSection(scriptSetup, scriptSetupRanges.props.define.arg.start, scriptSetupRanges.props.define.arg.end, codeFeatures.navigation);
yield `,${newLine}`;
}
if (scriptSetupRanges.emits.define) {
yield ` emits: ({} as __VLS_NormalizeEmits<typeof `;
yield scriptSetupRanges.emits.name ?? '__VLS_emit';
yield `>),${newLine}`;
}
yield `})${endOfLine}`;
yield `let __VLS_functionalComponentProps!: `;
yield `${ctx.helperTypes.OmitKeepDiscriminatedUnion.name}<InstanceType<typeof __VLS_fnComponent>['$props'], keyof typeof __VLS_publicProps>`;
yield endOfLine;
}
else {
yield `let __VLS_functionalComponentProps!: {}${endOfLine}`;
}
yield `let __VLS_publicProps!:${newLine}`
+ ` import('${options.vueCompilerOptions.lib}').VNodeProps${newLine}`
+ ` & import('${options.vueCompilerOptions.lib}').AllowedComponentProps${newLine}`
+ ` & import('${options.vueCompilerOptions.lib}').ComponentCustomProps${endOfLine}`;
if (scriptSetupRanges.defineProp.length) {
yield `const __VLS_defaults = {${newLine}`;
for (const defineProp of scriptSetupRanges.defineProp) {
if (defineProp.defaultValue) {
if (defineProp.name) {
yield scriptSetup.content.substring(defineProp.name.start, defineProp.name.end);
}
else {
yield `modelValue`;
}
yield `: `;
yield scriptSetup.content.substring(defineProp.defaultValue.start, defineProp.defaultValue.end);
yield `,${newLine}`;
}
}
yield `}${endOfLine}`;
}
yield `let __VLS_componentProps!: `;
if (scriptSetupRanges.slots.define && options.vueCompilerOptions.jsxSlots) {
if (ctx.generatedPropsType) {
yield ` & `;
}
ctx.generatedPropsType = true;
yield `${ctx.helperTypes.PropsChildren.name}<typeof __VLS_slots>`;
}
if (scriptSetupRanges.defineProp.length) {
if (ctx.generatedPropsType) {
yield ` & `;
}
ctx.generatedPropsType = true;
yield `{${newLine}`;
for (const defineProp of scriptSetupRanges.defineProp) {
let propName = 'modelValue';
if (defineProp.name && defineProp.nameIsString) {
// renaming support
yield generateSfcBlockSection(scriptSetup, defineProp.name.start, defineProp.name.end, codeFeatures.navigation);
}
else if (defineProp.name) {
propName = scriptSetup.content.substring(defineProp.name.start, defineProp.name.end);
definePropMirrors.set(propName, options.getGeneratedLength());
yield propName;
}
else {
yield propName;
}
yield defineProp.required
? `: `
: `?: `;
if (defineProp.type) {
yield scriptSetup.content.substring(defineProp.type.start, defineProp.type.end);
}
else if (!defineProp.nameIsString) {
yield `NonNullable<typeof ${propName}['value']>`;
}
else if (defineProp.defaultValue) {
yield `typeof __VLS_defaults['${propName}']`;
}
else {
yield `any`;
}
yield `,${newLine}`;
if (defineProp.modifierType) {
let propModifierName = 'modelModifiers';
if (defineProp.name) {
propModifierName = `${scriptSetup.content.substring(defineProp.name.start + 1, defineProp.name.end - 1)}Modifiers`;
}
const modifierType = scriptSetup.content.substring(defineProp.modifierType.start, defineProp.modifierType.end);
definePropMirrors.set(propModifierName, options.getGeneratedLength());
yield `${propModifierName}?: Record<${modifierType}, true>,${endOfLine}`;
}
}
yield `}`;
}
if (scriptSetupRanges.props.define?.typeArg) {
if (ctx.generatedPropsType) {
yield ` & `;
}
ctx.generatedPropsType = true;
yield generateSfcBlockSection(scriptSetup, scriptSetupRanges.props.define.typeArg.start, scriptSetupRanges.props.define.typeArg.end, codeFeatures.all);
}
if (!ctx.generatedPropsType) {
yield `{}`;
}
yield endOfLine;
}
function* generateModelEmits(
options: ScriptCodegenOptions,
scriptSetup: NonNullable<Sfc['scriptSetup']>,
scriptSetupRanges: ScriptSetupRanges,
): Generator<Code> {
yield `let __VLS_modelEmitsType!: {}`;
if (scriptSetupRanges.defineProp.length) {
yield ` & ReturnType<typeof import('${options.vueCompilerOptions.lib}').defineEmits<{${newLine}`;
for (const defineProp of scriptSetupRanges.defineProp) {
if (!defineProp.isModel) {
continue;
}
let propName = 'modelValue';
if (defineProp.name) {
propName = scriptSetup.content.substring(defineProp.name.start, defineProp.name.end);
propName = propName.replace(/['"]+/g, '');
}
yield `'update:${propName}': [${propName}:`;
if (defineProp.type) {
yield scriptSetup.content.substring(defineProp.type.start, defineProp.type.end);
}
else {
yield `any`;
}
yield `]${endOfLine}`;
}
yield `}>>`;
}
yield endOfLine;
}