53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
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'use strict';
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const {methodCallSelector, not} = require('./selectors/index.js');
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const {appendArgument} = require('./fix/index.js');
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const MESSAGE_ID = 'require-number-to-fixed-digits-argument';
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const messages = {
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[MESSAGE_ID]: 'Missing the digits argument.',
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};
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const mathToFixed = [
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methodCallSelector({
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method: 'toFixed',
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argumentsLength: 0,
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}),
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not('[callee.object.type="NewExpression"]'),
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].join('');
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/** @param {import('eslint').Rule.RuleContext} context */
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const create = context => {
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const sourceCode = context.getSourceCode();
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return {
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[mathToFixed](node) {
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const [
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openingParenthesis,
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closingParenthesis,
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] = sourceCode.getLastTokens(node, 2);
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return {
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loc: {
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start: openingParenthesis.loc.start,
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end: closingParenthesis.loc.end,
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},
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messageId: MESSAGE_ID,
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/** @param {import('eslint').Rule.RuleFixer} fixer */
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fix: fixer => appendArgument(fixer, node, '0', sourceCode),
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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,
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meta: {
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type: 'suggestion',
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docs: {
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description: 'Enforce using the digits argument with `Number#toFixed()`.',
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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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