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