mirror of https://github.com/sveltejs/svelte
Rich Harris
4 months ago
commit
b0912ad55c
@ -0,0 +1,5 @@
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---
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'svelte': patch
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---
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fix: avoid auto-parenthesis for special-keywords-only `MediaQuery`
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@ -1,30 +1,107 @@
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/** @import { ClassBody } from 'estree' */
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/** @import { AssignmentExpression, CallExpression, ClassBody, PropertyDefinition, Expression, PrivateIdentifier, MethodDefinition } from 'estree' */
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/** @import { StateField } from '#compiler' */
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/** @import { Context } from '../types' */
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import * as b from '#compiler/builders';
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import { get_rune } from '../../scope.js';
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import * as e from '../../../errors.js';
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import { is_state_creation_rune } from '../../../../utils.js';
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import { get_name } from '../../nodes.js';
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import { regex_invalid_identifier_chars } from '../../patterns.js';
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/**
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* @param {ClassBody} node
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* @param {Context} context
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*/
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export function ClassBody(node, context) {
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/** @type {{name: string, private: boolean}[]} */
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const derived_state = [];
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if (!context.state.analysis.runes) {
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context.next();
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return;
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}
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/** @type {string[]} */
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const private_ids = [];
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for (const definition of node.body) {
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for (const prop of node.body) {
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if (
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definition.type === 'PropertyDefinition' &&
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(definition.key.type === 'PrivateIdentifier' || definition.key.type === 'Identifier') &&
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definition.value?.type === 'CallExpression'
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(prop.type === 'MethodDefinition' || prop.type === 'PropertyDefinition') &&
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prop.key.type === 'PrivateIdentifier'
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) {
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const rune = get_rune(definition.value, context.state.scope);
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if (rune === '$derived' || rune === '$derived.by') {
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derived_state.push({
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name: definition.key.name,
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private: definition.key.type === 'PrivateIdentifier'
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private_ids.push(prop.key.name);
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}
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}
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/** @type {Map<string, StateField>} */
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const state_fields = new Map();
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context.state.analysis.classes.set(node, state_fields);
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/** @type {MethodDefinition | null} */
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let constructor = null;
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/**
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* @param {PropertyDefinition | AssignmentExpression} node
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* @param {Expression | PrivateIdentifier} key
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* @param {Expression | null | undefined} value
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*/
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function handle(node, key, value) {
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const name = get_name(key);
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if (name === null) return;
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const rune = get_rune(value, context.state.scope);
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if (rune && is_state_creation_rune(rune)) {
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if (state_fields.has(name)) {
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e.state_field_duplicate(node, name);
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}
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state_fields.set(name, {
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node,
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type: rune,
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// @ts-expect-error for public state this is filled out in a moment
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key: key.type === 'PrivateIdentifier' ? key : null,
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value: /** @type {CallExpression} */ (value)
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});
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}
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}
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for (const child of node.body) {
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if (child.type === 'PropertyDefinition' && !child.computed && !child.static) {
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handle(child, child.key, child.value);
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}
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if (child.type === 'MethodDefinition' && child.kind === 'constructor') {
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constructor = child;
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}
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}
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if (constructor) {
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for (const statement of constructor.value.body.body) {
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if (statement.type !== 'ExpressionStatement') continue;
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if (statement.expression.type !== 'AssignmentExpression') continue;
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const { left, right } = statement.expression;
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if (left.type !== 'MemberExpression') continue;
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if (left.object.type !== 'ThisExpression') continue;
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if (left.computed && left.property.type !== 'Literal') continue;
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handle(statement.expression, left.property, right);
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}
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}
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for (const [name, field] of state_fields) {
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if (name[0] === '#') {
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continue;
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}
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let deconflicted = name.replace(regex_invalid_identifier_chars, '_');
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while (private_ids.includes(deconflicted)) {
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deconflicted = '_' + deconflicted;
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}
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private_ids.push(deconflicted);
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field.key = b.private_id(deconflicted);
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}
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context.next({ ...context.state, derived_state });
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context.next({ ...context.state, state_fields });
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}
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@ -0,0 +1,21 @@
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/** @import { PropertyDefinition } from 'estree' */
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/** @import { Context } from '../types' */
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import * as e from '../../../errors.js';
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import { get_name } from '../../nodes.js';
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/**
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* @param {PropertyDefinition} node
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* @param {Context} context
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*/
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export function PropertyDefinition(node, context) {
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const name = get_name(node.key);
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const field = name && context.state.state_fields.get(name);
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if (field && node !== field.node && node.value) {
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if (/** @type {number} */ (node.start) < /** @type {number} */ (field.node.start)) {
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e.state_field_invalid_assignment(node);
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}
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}
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context.next();
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}
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@ -1,23 +0,0 @@
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/** @import { MemberExpression } from 'estree' */
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/** @import { Context } from '../types.js' */
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import * as b from '#compiler/builders';
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/**
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* @param {MemberExpression} node
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* @param {Context} context
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*/
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export function MemberExpression(node, context) {
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if (
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context.state.analysis.runes &&
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node.object.type === 'ThisExpression' &&
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node.property.type === 'PrivateIdentifier'
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) {
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const field = context.state.private_derived.get(node.property.name);
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if (field) {
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return b.call(node);
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}
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}
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context.next();
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}
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@ -0,0 +1,6 @@
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import { test } from '../../test';
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// https://github.com/sveltejs/svelte/issues/15819
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export default test({
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expect_hydration_error: true
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});
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@ -0,0 +1 @@
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<p>start</p><p>cond</p><!---->
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@ -0,0 +1 @@
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<!--[--> <p>start</p><!--[--><p>cond</p><!--]--><!--]-->
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<script>
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const cond = true;
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</script>
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<p>start</p>{#if cond}<p>cond</p>{/if}
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@ -0,0 +1,6 @@
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import { test } from '../../test';
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// https://github.com/sveltejs/svelte/issues/15819
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export default test({
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expect_hydration_error: true
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});
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@ -0,0 +1 @@
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<p>start</p> pre123 mid<!---->
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@ -0,0 +1 @@
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<!--[--><p>start</p>pre<a>123</a> <!--[-->mid<!--]--><!--]-->
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@ -0,0 +1,9 @@
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<script>
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let cond = true;
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</script>
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<p>start</p>
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pre123
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{#if cond}
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mid
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{/if}
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@ -0,0 +1,13 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>10</button>`,
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ssrHtml: `<button>0</button>`,
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async test({ assert, target }) {
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flushSync();
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assert.htmlEqual(target.innerHTML, `<button>10</button>`);
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}
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});
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@ -0,0 +1,13 @@
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<script>
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class Counter {
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constructor() {
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this.count = $state(0);
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$effect(() => {
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this.count = 10;
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});
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}
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}
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const counter = new Counter();
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</script>
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<button on:click={() => counter.count++}>{counter.count}</button>
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@ -0,0 +1,13 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>10</button>`,
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ssrHtml: `<button>0</button>`,
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async test({ assert, target }) {
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flushSync();
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assert.htmlEqual(target.innerHTML, `<button>10</button>`);
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}
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});
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@ -0,0 +1,12 @@
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<script>
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const counter = new class Counter {
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constructor() {
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this.count = $state(0);
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$effect(() => {
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this.count = 10;
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});
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}
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}
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</script>
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<button on:click={() => counter.count++}>{counter.count}</button>
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@ -0,0 +1,3 @@
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import { test } from '../../test';
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export default test({});
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@ -0,0 +1,9 @@
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<script>
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class Test {
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0 = $state();
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constructor() {
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this[1] = $state();
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}
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}
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</script>
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@ -0,0 +1,45 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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// The component context class instance gets shared between tests, strangely, causing hydration to fail?
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mode: ['client', 'server'],
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async test({ assert, target, logs }) {
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const btn = target.querySelector('button');
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flushSync(() => {
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btn?.click();
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});
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assert.deepEqual(logs, [0, 'class trigger false', 'local trigger false', 1]);
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flushSync(() => {
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btn?.click();
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});
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assert.deepEqual(logs, [0, 'class trigger false', 'local trigger false', 1, 2]);
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flushSync(() => {
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btn?.click();
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});
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assert.deepEqual(logs, [0, 'class trigger false', 'local trigger false', 1, 2, 3]);
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flushSync(() => {
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btn?.click();
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});
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assert.deepEqual(logs, [
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0,
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'class trigger false',
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'local trigger false',
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1,
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2,
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3,
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4,
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'class trigger true',
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'local trigger true'
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]);
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}
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});
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@ -0,0 +1,37 @@
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<script module>
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class SomeLogic {
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trigger() {
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this.someValue++;
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}
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constructor() {
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this.someValue = $state(0);
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this.isAboveThree = $derived(this.someValue > 3);
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}
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}
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const someLogic = new SomeLogic();
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</script>
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<script>
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function increment() {
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someLogic.trigger();
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}
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let localDerived = $derived(someLogic.someValue > 3);
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$effect(() => {
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console.log(someLogic.someValue);
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});
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$effect(() => {
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console.log('class trigger ' + someLogic.isAboveThree)
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});
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$effect(() => {
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console.log('local trigger ' + localDerived)
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});
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</script>
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<button on:click={increment}>
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clicks: {someLogic.someValue}
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</button>
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@ -0,0 +1,20 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>0</button>`,
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test({ assert, target }) {
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const btn = target.querySelector('button');
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flushSync(() => {
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btn?.click();
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});
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assert.htmlEqual(target.innerHTML, `<button>1</button>`);
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flushSync(() => {
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btn?.click();
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});
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assert.htmlEqual(target.innerHTML, `<button>2</button>`);
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}
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});
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@ -0,0 +1,12 @@
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<script>
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class Counter {
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count;
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constructor(count) {
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this.count = $state(count);
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}
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}
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const counter = new Counter(0);
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</script>
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<button onclick={() => counter.count++}>{counter.count}</button>
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@ -0,0 +1,20 @@
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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export default test({
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html: `<button>10: 20</button>`,
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test({ assert, target }) {
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const btn = target.querySelector('button');
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flushSync(() => {
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btn?.click();
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});
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assert.htmlEqual(target.innerHTML, `<button>11: 22</button>`);
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flushSync(() => {
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btn?.click();
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});
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assert.htmlEqual(target.innerHTML, `<button>12: 24</button>`);
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}
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});
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@ -0,0 +1,22 @@
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<script>
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class Counter {
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constructor(initial) {
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this.count = $state(initial);
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}
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increment = () => {
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this.count++;
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}
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}
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class PluggableCounter extends Counter {
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constructor(initial, plugin) {
|
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super(initial)
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this.custom = $derived(plugin(this.count));
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}
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}
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const counter = new PluggableCounter(10, (count) => count * 2);
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</script>
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<button onclick={counter.increment}>{counter.count}: {counter.custom}</button>
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@ -0,0 +1,20 @@
|
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import { flushSync } from 'svelte';
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import { test } from '../../test';
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||||
|
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export default test({
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html: `<button>20</button>`,
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|
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test({ assert, target }) {
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const btn = target.querySelector('button');
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|
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flushSync(() => {
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btn?.click();
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});
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assert.htmlEqual(target.innerHTML, `<button>22</button>`);
|
||||
|
||||
flushSync(() => {
|
||||
btn?.click();
|
||||
});
|
||||
assert.htmlEqual(target.innerHTML, `<button>24</button>`);
|
||||
}
|
||||
});
|
||||
@ -0,0 +1,18 @@
|
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<script>
|
||||
class Counter {
|
||||
/** @type {number} */
|
||||
#count;
|
||||
|
||||
constructor(initial) {
|
||||
this.#count = $state(initial);
|
||||
this.doubled = $derived(this.#count * 2);
|
||||
}
|
||||
|
||||
increment = () => {
|
||||
this.#count++;
|
||||
}
|
||||
}
|
||||
const counter = new Counter(10);
|
||||
</script>
|
||||
|
||||
<button onclick={counter.increment}>{counter.doubled}</button>
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_duplicate",
|
||||
"message": "`count` has already been declared on this class",
|
||||
"start": {
|
||||
"line": 5,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 5,
|
||||
"column": 24
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
count = $state(0);
|
||||
|
||||
constructor() {
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_invalid_assignment",
|
||||
"message": "Cannot assign to a state field before its declaration",
|
||||
"start": {
|
||||
"line": 4,
|
||||
"column": 3
|
||||
},
|
||||
"end": {
|
||||
"line": 4,
|
||||
"column": 18
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,9 @@
|
||||
export class Counter {
|
||||
constructor() {
|
||||
if (true) {
|
||||
this.count = -1;
|
||||
}
|
||||
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_duplicate",
|
||||
"message": "`count` has already been declared on this class",
|
||||
"start": {
|
||||
"line": 5,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 5,
|
||||
"column": 24
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
constructor() {
|
||||
this.count = $state(0);
|
||||
this.count = 1;
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_duplicate",
|
||||
"message": "`count` has already been declared on this class",
|
||||
"start": {
|
||||
"line": 5,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 5,
|
||||
"column": 28
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
constructor() {
|
||||
this.count = $state(0);
|
||||
this.count = 1;
|
||||
this.count = $state.raw(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_invalid_placement",
|
||||
"message": "`$state(...)` can only be used as a variable declaration initializer, a class field declaration, or the first assignment to a class field at the top level of the constructor.",
|
||||
"start": {
|
||||
"line": 4,
|
||||
"column": 16
|
||||
},
|
||||
"end": {
|
||||
"line": 4,
|
||||
"column": 25
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
constructor() {
|
||||
if (true) {
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_duplicate",
|
||||
"message": "`count` has already been declared on this class",
|
||||
"start": {
|
||||
"line": 5,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 5,
|
||||
"column": 27
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
// prettier-ignore
|
||||
'count' = $state(0);
|
||||
constructor() {
|
||||
this['count'] = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_duplicate",
|
||||
"message": "`count` has already been declared on this class",
|
||||
"start": {
|
||||
"line": 4,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 4,
|
||||
"column": 27
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,6 @@
|
||||
export class Counter {
|
||||
count = $state(0);
|
||||
constructor() {
|
||||
this['count'] = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_invalid_placement",
|
||||
"message": "`$state(...)` can only be used as a variable declaration initializer, a class field declaration, or the first assignment to a class field at the top level of the constructor.",
|
||||
"start": {
|
||||
"line": 5,
|
||||
"column": 16
|
||||
},
|
||||
"end": {
|
||||
"line": 5,
|
||||
"column": 25
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
const count = 'count';
|
||||
|
||||
export class Counter {
|
||||
constructor() {
|
||||
this[count] = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_invalid_assignment",
|
||||
"message": "Cannot assign to a state field before its declaration",
|
||||
"start": {
|
||||
"line": 3,
|
||||
"column": 2
|
||||
},
|
||||
"end": {
|
||||
"line": 3,
|
||||
"column": 17
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,6 @@
|
||||
export class Counter {
|
||||
constructor() {
|
||||
this.count = -1;
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
[
|
||||
{
|
||||
"code": "state_field_invalid_assignment",
|
||||
"message": "Cannot assign to a state field before its declaration",
|
||||
"start": {
|
||||
"line": 2,
|
||||
"column": 1
|
||||
},
|
||||
"end": {
|
||||
"line": 2,
|
||||
"column": 12
|
||||
}
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,7 @@
|
||||
export class Counter {
|
||||
count = -1;
|
||||
|
||||
constructor() {
|
||||
this.count = $state(0);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue