57 lines
No EOL
5.1 KiB
JavaScript
57 lines
No EOL
5.1 KiB
JavaScript
'use strict';
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module.exports = {
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meta: {
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docs: {}
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},
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create: function (context) {
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function checkDeclaration(node) {
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const kind = node.kind;
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if (kind === 'var' || kind === 'let') {
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context.report(node, `Exporting mutable '${kind}' binding, use 'const' instead.`);
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}
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}
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function checkDeclarationsInScope(_ref, name) {
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let variables = _ref.variables;
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for (let variable of variables) {
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if (variable.name === name) {
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for (let 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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function handleExportDefault(node) {
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const scope = context.getScope();
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if (node.declaration.name) {
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checkDeclarationsInScope(scope, node.declaration.name);
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}
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}
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function handleExportNamed(node) {
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const scope = context.getScope();
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if (node.declaration) {
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checkDeclaration(node.declaration);
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} else if (!node.source) {
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for (let 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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return {
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'ExportDefaultDeclaration': handleExportDefault,
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'ExportNamedDeclaration': handleExportNamed
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};
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}
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};
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