no-octal-numeric-literals.js 884 B

123456789101112131415161718192021222324252627282930313233
  1. /**
  2. * @author Toru Nagashima <https://github.com/mysticatea>
  3. * See LICENSE file in root directory for full license.
  4. */
  5. "use strict"
  6. const Pattern = /^0[oO]/u
  7. module.exports = {
  8. meta: {
  9. docs: {
  10. description: "disallow octal numeric literals.",
  11. category: "ES2015",
  12. recommended: false,
  13. url:
  14. "http://mysticatea.github.io/eslint-plugin-es/rules/no-octal-numeric-literals.html",
  15. },
  16. fixable: null,
  17. schema: [],
  18. messages: {
  19. forbidden: "ES2015 octal numeric literals are forbidden.",
  20. },
  21. },
  22. create(context) {
  23. return {
  24. Literal(node) {
  25. if (typeof node.value === "number" && Pattern.test(node.raw)) {
  26. context.report({ node, messageId: "forbidden" })
  27. }
  28. },
  29. }
  30. },
  31. }