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| -rw-r--r-- | doc/development/fe_guide/style_guide_js.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/development/fe_guide/style_guide_js.md b/doc/development/fe_guide/style_guide_js.md index b50159c2b75..8f3848409e7 100644 --- a/doc/development/fe_guide/style_guide_js.md +++ b/doc/development/fe_guide/style_guide_js.md @@ -301,6 +301,30 @@ See [our current .eslintrc](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/ </button> ``` +#### Prefer `undefined` over `null` + +1. When you have the option of using either `null` or `undefined`, choose `undefined`: + + ```javascript + // bad + props: { + selected: { + type: Object, + required: false, + default: null, + }, + }, + + // good + props: { + selected: { + type: Object, + required: false, + default: undefined, + }, + }, + ``` + ### Vue.js #### `eslint-vue-plugin` |