| 1 | 'use strict';
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| 2 | const getDocumentationUrl = require('./utils/get-documentation-url');
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| 3 |
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| 4 | const fix = (value, isBigInt) => {
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| 5 | value = value.toLowerCase();
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| 6 | if (value.startsWith('0x')) {
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| 7 | value = '0x' + value.slice(2).toUpperCase();
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| 8 | }
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| 9 |
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| 10 | return `${value}${isBigInt ? 'n' : ''}`;
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| 11 | };
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| 12 |
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| 13 | const create = context => {
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| 14 | return {
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| 15 | Literal: node => {
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| 16 | const {value, raw, bigint} = node;
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| 17 | const isBigInt = Boolean(bigint);
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| 18 |
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| 19 | if (typeof value !== 'number' && !isBigInt) {
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| 20 | return;
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| 21 | }
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| 22 |
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| 23 | const fixed = fix(isBigInt ? bigint : raw, isBigInt);
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| 24 |
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| 25 | if (raw !== fixed) {
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| 26 | context.report({
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| 27 | node,
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| 28 | message: 'Invalid number literal casing.',
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| 29 | fix: fixer => fixer.replaceText(node, fixed)
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| 30 | });
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| 31 | }
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| 32 | }
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| 33 | };
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| 34 | };
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| 35 |
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| 36 | module.exports = {
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| 37 | create,
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| 38 | meta: {
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| 39 | type: 'suggestion',
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| 40 | docs: {
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| 41 | url: getDocumentationUrl(__filename)
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| 42 | },
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| 43 | fixable: 'code'
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| 44 | }
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| 45 | };
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