diff options
Diffstat (limited to 'tools/node_modules/eslint/lib/rules/no-octal-escape.js')
-rw-r--r-- | tools/node_modules/eslint/lib/rules/no-octal-escape.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-octal-escape.js b/tools/node_modules/eslint/lib/rules/no-octal-escape.js new file mode 100644 index 0000000000..04bfb6aae3 --- /dev/null +++ b/tools/node_modules/eslint/lib/rules/no-octal-escape.js @@ -0,0 +1,47 @@ +/** + * @fileoverview Rule to flag octal escape sequences in string literals. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +module.exports = { + meta: { + docs: { + description: "disallow octal escape sequences in string literals", + category: "Best Practices", + recommended: false + }, + + schema: [] + }, + + create(context) { + + return { + + Literal(node) { + if (typeof node.value !== "string") { + return; + } + + const match = node.raw.match(/^([^\\]|\\[^0-7])*\\([0-3][0-7]{1,2}|[4-7][0-7]|[0-7])/); + + if (match) { + const octalDigit = match[2]; + + // \0 is actually not considered an octal + if (match[2] !== "0" || typeof match[3] !== "undefined") { + context.report({ node, message: "Don't use octal: '\\{{octalDigit}}'. Use '\\u....' instead.", data: { octalDigit } }); + } + } + } + + }; + + } +}; |