50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const { ReferenceTracker } = require("@eslint-community/eslint-utils")
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const { getSourceCode } = require("eslint-compat-utils")
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module.exports = {
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meta: {
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docs: {
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description: "disallow `bigint` syntax and built-ins",
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category: "ES2020",
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recommended: false,
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url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-bigint.html",
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},
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fixable: null,
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messages: {
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forbidden: "ES2020 BigInt is forbidden.",
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},
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schema: [],
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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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Literal(node) {
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if (node.bigint != null) {
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context.report({ messageId: "forbidden", node })
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}
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},
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"Program:exit"(program) {
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const sourceCode = getSourceCode(context)
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const tracker = new ReferenceTracker(
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sourceCode.getScope(program),
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)
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const references = tracker.iterateGlobalReferences({
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BigInt: { [ReferenceTracker.READ]: true },
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BigInt64Array: { [ReferenceTracker.READ]: true },
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BigUint64Array: { [ReferenceTracker.READ]: true },
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})
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for (const { node } of references) {
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context.report({ messageId: "forbidden", node })
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}
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},
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}
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},
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}
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