84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
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'use strict';
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const {methodCallSelector} = require('./selectors/index.js');
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const toLocation = require('./utils/to-location.js');
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const {isStringLiteral} = require('./ast/index.js');
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const MESSAGE_ID = 'no-console-spaces';
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const messages = {
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[MESSAGE_ID]: 'Do not use {{position}} space between `console.{{method}}` parameters.',
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};
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const methods = [
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'log',
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'debug',
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'info',
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'warn',
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'error',
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];
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const selector = methodCallSelector({
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methods,
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minimumArguments: 1,
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object: 'console',
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});
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// Find exactly one leading space, allow exactly one space
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const hasLeadingSpace = value => value.length > 1 && value.charAt(0) === ' ' && value.charAt(1) !== ' ';
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// Find exactly one trailing space, allow exactly one space
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const hasTrailingSpace = value => value.length > 1 && value.charAt(value.length - 1) === ' ' && value.charAt(value.length - 2) !== ' ';
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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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const getProblem = (node, method, position) => {
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const index = position === 'leading'
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? node.range[0] + 1
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: node.range[1] - 2;
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const range = [index, index + 1];
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return {
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loc: toLocation(range, sourceCode),
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messageId: MESSAGE_ID,
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data: {method, position},
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fix: fixer => fixer.removeRange(range),
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};
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};
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return {
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* [selector](node) {
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const method = node.callee.property.name;
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const {arguments: messages} = node;
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const {length} = messages;
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for (const [index, node] of messages.entries()) {
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if (!isStringLiteral(node) && node.type !== 'TemplateLiteral') {
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continue;
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}
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const raw = sourceCode.getText(node).slice(1, -1);
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if (index !== 0 && hasLeadingSpace(raw)) {
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yield getProblem(node, method, 'leading');
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}
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if (index !== length - 1 && hasTrailingSpace(raw)) {
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yield getProblem(node, method, 'trailing');
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}
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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: 'Do not use leading/trailing space between `console.log` parameters.',
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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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