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fix: do not add jsdoc if no types found (#13738)

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fixes #13417
fixes #13724
pull/13744/head
Simon H 2 months ago committed by GitHub
parent be02b7e54c
commit 8a06d051e8
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
8 changed files with 61 additions and 48 deletions
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5
.changeset/smart-carrots-sit.md
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@ -0,0 +1,5 @@
---
'svelte': patch
---
fix: do not add jsdoc if no types found

25
packages/svelte/src/compiler/migrate/index.js
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@ -81,6 +81,7 @@ export function migrate(source, { filename } = {}) {
props: [],
props_insertion_point: parsed.instance?.content.start ?? 0,
has_props_rune: false,
has_type_or_fallback: false,
end: source.length,
names: {
props: analysis.root.unique('props').name,
@ -202,6 +203,9 @@ export function migrate(source, { filename } = {}) {
);
const type_name = state.scope.root.unique('Props').name;
let type = '';
// Try to infer when we don't want to add types (e.g. user doesn't use types, or this is a zero-types +page.svelte)
if (state.has_type_or_fallback || state.props.every((prop) => prop.slot_name)) {
if (uses_ts) {
type = `interface ${type_name} {${newline_separator}${state.props
.map((prop) => {
@ -220,12 +224,18 @@ export function migrate(source, { filename } = {}) {
})
.join(``)}\n${indent} */`;
}
}
let props_declaration = `let {${props_separator}${props}${has_many_props ? `\n${indent}` : ' '}}`;
if (uses_ts) {
if (type) {
props_declaration = `${type}\n\n${indent}${props_declaration}`;
}
props_declaration = `${props_declaration}${type ? `: ${type_name}` : ''} = $props();`;
} else {
props_declaration = `${type && state.props.length > 0 ? `${type}\n\n${indent}` : ''}/** @type {${state.props.length > 0 ? type_name : ''}${analysis.uses_props || analysis.uses_rest_props ? `${state.props.length > 0 ? ' & ' : ''}{ [key: string]: any }` : ''}} */\n${indent}${props_declaration}`;
if (type) {
props_declaration = `${state.props.length > 0 ? `${type}\n\n${indent}` : ''}/** @type {${state.props.length > 0 ? type_name : ''}${analysis.uses_props || analysis.uses_rest_props ? `${state.props.length > 0 ? ' & ' : ''}{ [key: string]: any }` : ''}} */\n${indent}${props_declaration}`;
}
props_declaration = `${props_declaration} = $props();`;
}
@ -326,6 +336,7 @@ export function migrate(source, { filename } = {}) {
* props: Array<{ local: string; exported: string; init: string; bindable: boolean; slot_name?: string; optional: boolean; type: string; comment?: string; type_only?: boolean; needs_refine_type?: boolean; }>;
* props_insertion_point: number;
* has_props_rune: boolean;
* has_type_or_fallback: boolean;
* end: number;
* names: Record<string, string>;
* legacy_imports: Set<string>;
@ -517,7 +528,7 @@ const instance_script = {
: '',
optional: !!declarator.init,
bindable: binding.updated,
...extract_type_and_comment(declarator, state.str, path)
...extract_type_and_comment(declarator, state, path)
});
}
@ -1253,10 +1264,11 @@ function migrate_slot_usage(node, path, state) {
/**
* @param {VariableDeclarator} declarator
* @param {MagicString} str
* @param {State} state
* @param {SvelteNode[]} path
*/
function extract_type_and_comment(declarator, str, path) {
function extract_type_and_comment(declarator, state, path) {
const str = state.str;
const parent = path.at(-1);
// Try to find jsdoc above the declaration
@ -1271,6 +1283,7 @@ function extract_type_and_comment(declarator, str, path) {
}
if (declarator.id.typeAnnotation) {
state.has_type_or_fallback = true;
let start = declarator.id.typeAnnotation.start + 1; // skip the colon
while (str.original[start] === ' ') {
start++;
@ -1300,6 +1313,7 @@ function extract_type_and_comment(declarator, str, path) {
// try to find a comment with a type annotation, hinting at jsdoc
if (parent?.type === 'ExportNamedDeclaration' && comment_node) {
state.has_type_or_fallback = true;
const match = /@type {(.+)}/.exec(comment_node.value);
if (match) {
return { type: match[1], comment };
@ -1308,6 +1322,7 @@ function extract_type_and_comment(declarator, str, path) {
// try to infer it from the init
if (declarator.init?.type === 'Literal') {
state.has_type_or_fallback = true; // only assume type if it's trivial to infer - else someone would've added a type annotation
const type = typeof declarator.init.value;
if (type === 'string' || type === 'number' || type === 'boolean') {
return { type, comment };
@ -1533,6 +1548,8 @@ function handle_identifier(node, state, path) {
parent.type === 'TSInterfaceDeclaration' ? parent.body.body : parent.typeAnnotation?.members;
if (Array.isArray(members)) {
if (node.name === '$$Props') {
state.has_type_or_fallback = true;
for (const member of members) {
const prop = state.props.find((prop) => prop.exported === member.key.name);

9
packages/svelte/tests/migrate/samples/$$slots-used-as-variable/output.svelte
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@ -1,13 +1,4 @@
<script>
/**
* @typedef {Object} Props
* @property {import('svelte').Snippet} [message]
* @property {any} [showMessage]
* @property {import('svelte').Snippet<[any]>} [title]
* @property {import('svelte').Snippet<[any]>} [extra]
*/
/** @type {Props} */
let {
message,
showMessage = message,

6
packages/svelte/tests/migrate/samples/css-ignore/output.svelte
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@ -1,10 +1,4 @@
<script>
/**
* @typedef {Object} Props
* @property {any} name
*/
/** @type {Props} */
let { name } = $props();
</script>

6
packages/svelte/tests/migrate/samples/props-rest-props-jsdoc/input.svelte
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@ -0,0 +1,6 @@
<script>
/** @type {string} */
export let foo;
</script>
<button {foo} {...$$restProps}>click me</button>

12
packages/svelte/tests/migrate/samples/props-rest-props-jsdoc/output.svelte
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@ -0,0 +1,12 @@
<script>
/**
* @typedef {Object} Props
* @property {string} foo
*/
/** @type {Props & { [key: string]: any }} */
let { foo, ...rest } = $props();
</script>
<button {foo} {...rest}>click me</button>

6
packages/svelte/tests/migrate/samples/props-rest-props/output.svelte
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@ -1,10 +1,4 @@
<script>
/**
* @typedef {Object} Props
* @property {any} foo
*/
/** @type {Props & { [key: string]: any }} */
let { foo, ...rest } = $props();
</script>

6
packages/svelte/tests/migrate/samples/reactive-statements-reorder-not-deleting-additions/output.svelte
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@ -3,12 +3,6 @@
import { blah } from './blah.js'
/**
* @typedef {Object} Props
* @property {any} data
*/
/** @type {Props} */
let { data } = $props();
let bar = $state()

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