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- 'use strict';
- const {checkVueTemplate} = require('./utils/rule.js');
- const {isNumberLiteral, isBigIntLiteral} = require('./ast/index.js');
- const MESSAGE_ID = 'number-literal-case';
- const messages = {
- [MESSAGE_ID]: 'Invalid number literal casing.',
- };
- const fix = raw => {
- let fixed = raw.toLowerCase();
- if (fixed.startsWith('0x')) {
- fixed = '0x' + fixed.slice(2).toUpperCase();
- }
- return fixed;
- };
- /** @param {import('eslint').Rule.RuleContext} context */
- const create = () => ({
- Literal(node) {
- const {raw} = node;
- let fixed = raw;
- if (isNumberLiteral(node)) {
- fixed = fix(raw);
- } else if (isBigIntLiteral(node)) {
- fixed = fix(raw.slice(0, -1)) + 'n';
- }
- if (raw !== fixed) {
- return {
- node,
- messageId: MESSAGE_ID,
- fix: fixer => fixer.replaceText(node, fixed),
- };
- }
- },
- });
- /** @type {import('eslint').Rule.RuleModule} */
- module.exports = {
- create: checkVueTemplate(create),
- meta: {
- type: 'suggestion',
- docs: {
- description: 'Enforce proper case for numeric literals.',
- },
- fixable: 'code',
- messages,
- },
- };
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