Permalink
Cannot retrieve contributors at this time
| /** | |
| * @fileoverview Rule to flag octal escape sequences in string literals. | |
| * @author Ian Christian Myers | |
| */ | |
| "use strict"; | |
| //------------------------------------------------------------------------------ | |
| // Rule Definition | |
| //------------------------------------------------------------------------------ | |
| module.exports = { | |
| meta: { | |
| type: "suggestion", | |
| docs: { | |
| description: "disallow octal escape sequences in string literals", | |
| category: "Best Practices", | |
| recommended: false, | |
| url: "https://eslint.org/docs/rules/no-octal-escape" | |
| }, | |
| schema: [], | |
| messages: { | |
| octalEscapeSequence: "Don't use octal: '\\{{sequence}}'. Use '\\u....' instead." | |
| } | |
| }, | |
| create(context) { | |
| return { | |
| Literal(node) { | |
| if (typeof node.value !== "string") { | |
| return; | |
| } | |
| // \0 represents a valid NULL character if it isn't followed by a digit. | |
| const match = node.raw.match( | |
| /^(?:[^\\]|\\.)*?\\([0-3][0-7]{1,2}|[4-7][0-7]|[1-7])/u | |
| ); | |
| if (match) { | |
| context.report({ | |
| node, | |
| messageId: "octalEscapeSequence", | |
| data: { sequence: match[1] } | |
| }); | |
| } | |
| } | |
| }; | |
| } | |
| }; |