Update dependency standard to v12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
standard (source)	devDependencies	major	^11.0.0 -> ^12.0.0

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Release Notes

standard/standard

v12.0.1

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• Since ESLint 5 no longer supports Node 4, standard silently passes when run in Node 4, which matches the current behavior for Node 0.10, 0.12, and all other unsupported versions of Node.

v12.0.0

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New version of ESLint, new version of Standard!

When you upgrade, consider running standard --fix to automatically format your code to match the newly added rules.

New features

• Update eslint from ~4.19.0 to ~5.4.0.
  • Support JSXFragment nodes (e.g. <></>)
  • Lots of minor changes to rules to catch more edge cases!
• The README is now available in French! (Thanks @​charliegerard!)
  • Other community contributed translations exist in Spanish, Italian, Korean, Portuguese, Simplified Chinese, and Taiwanese Mandarin.
  • More translations are welcome!

New rules

(Estimated % of affected standard users, based on test suite in parens)

• Require spacing inside of braces (object-curly-spacing) #​609 eslint-config-standard/#​35 (29%)
• Disallow APIs that were deprecated in Node 10 (no-deprecated-api) #​1164 (15%)
  • e.g. assert.equal(), assert.deepEqual() and assert.notEqual() were deprecated in Node 10.
• Disallow self assignment of properties (no-self-assign) #​1186 (0%)

Changed rules

None.

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