60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
import { createRule } from '../utils/index.js';
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export default createRule({
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name: 'no-mutable-exports',
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meta: {
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type: 'suggestion',
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docs: {
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category: 'Helpful warnings',
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description: 'Forbid the use of mutable exports with `var` or `let`.',
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},
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schema: [],
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messages: {
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noMutable: "Exporting mutable '{{kind}}' binding, use 'const' instead.",
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},
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},
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defaultOptions: [],
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create(context) {
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function checkDeclaration(node) {
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if ('kind' in node && (node.kind === 'var' || node.kind === 'let')) {
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context.report({
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node,
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messageId: 'noMutable',
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data: {
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kind: node.kind,
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},
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});
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}
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}
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function checkDeclarationsInScope({ variables }, name) {
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for (const variable of variables) {
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if (variable.name === name) {
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for (const def of variable.defs) {
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if (def.type === 'Variable' && def.parent) {
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checkDeclaration(def.parent);
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}
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}
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}
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}
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}
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return {
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ExportDefaultDeclaration(node) {
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const scope = context.sourceCode.getScope(node);
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if ('name' in node.declaration) {
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checkDeclarationsInScope(scope, node.declaration.name);
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}
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},
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ExportNamedDeclaration(node) {
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const scope = context.sourceCode.getScope(node);
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if (node.declaration) {
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checkDeclaration(node.declaration);
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}
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else if (!node.source) {
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for (const specifier of node.specifiers) {
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checkDeclarationsInScope(scope, specifier.local.name);
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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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//# sourceMappingURL=no-mutable-exports.js.map |