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Docs: clarify variables option in no-use-before-define (fixes #12986) #13017

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merged 6 commits into from Mar 23, 2020
Merged

Docs: clarify variables option in no-use-before-define (fixes #12986) #13017

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ddd7a2f
Docs: added fn decl example and details for variables option
anikethsaha Mar 7, 2020
2c7dd5a
Merge remote-tracking branch 'upstream/master' into fixes-12986
anikethsaha Mar 11, 2020
15afc01
Docs: added more example for variables options
anikethsaha Mar 12, 2020
241aa6e
Chore: refactore variables example
anikethsaha Mar 15, 2020
1ab1217
Chore: removed extra EOF line
anikethsaha Mar 15, 2020
8aef515
Chore: update default for nofunc no-use-before-define
anikethsaha Mar 20, 2020
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10 changes: 8 additions & 2 deletions docs/rules/no-use-before-define.md
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Expand Up @@ -76,13 +76,13 @@ function g() {
Class declarations are not hoisted, so it might be danger.
Default is `true`.
* `variables` (`boolean`) -
This flag determines whether or not the rule checks variable declarations in upper scopes.
This flag determines whether or not the rule checks variable and function (arrow functions) declarations in upper scopes.
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If this is `true`, the rule warns every reference to a variable before the variable declaration.
Otherwise, the rule ignores a reference if the declaration is in an upper scope, while still reporting the reference if it's in the same scope as the declaration.
Default is `true`.

This rule accepts `"nofunc"` string as an option.
`"nofunc"` is the same as `{ "functions": false, "classes": true }`.
`"nofunc"` is the same as `{ "functions": false }`.
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### functions

Expand Down Expand Up @@ -143,4 +143,10 @@ function baz() {
}

var foo = 1;


const a = () => b(); // ok

const b = () => {};

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```