44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
import { createRule } from '../utils/index.js';
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import { extractStoreReferences } from './reference-helpers/svelte-store.js';
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export default createRule('no-store-async', {
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meta: {
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docs: {
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description: 'disallow using async/await inside svelte stores because it causes issues with the auto-unsubscribing features',
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category: 'Possible Errors',
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recommended: true,
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default: 'error'
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},
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schema: [],
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messages: {
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unexpected: 'Do not pass async functions to svelte stores.'
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},
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type: 'problem'
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},
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create(context) {
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return {
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Program() {
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for (const { node } of extractStoreReferences(context)) {
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const [, fn] = node.arguments;
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if (!fn ||
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(fn.type !== 'ArrowFunctionExpression' && fn.type !== 'FunctionExpression') ||
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!fn.async) {
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continue;
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}
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const start = fn.loc.start;
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context.report({
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node: fn,
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loc: {
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start,
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end: {
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line: start.line,
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column: start.column + 5
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}
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},
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messageId: 'unexpected'
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});
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}
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}
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};
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}
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});
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