replace filter with where (#1135)

This PR tries to clean up the use of `filter` by replacing it with
`where`. I did not test each script.

closes #1134
closes #1133

modules/completion-generator/completion-generator.nu

@@ -28,7 +28,7 @@ export def 'from tree' [
                         if not ($fst in ['list', 'record'])  {
                             $acc
                         } else {
-                            let r = $acc.schema | filter {|i| ($i | get $selector.value) == $x}
+                            let r = $acc.schema | where {|i| ($i | get $selector.value) == $x}
                             if ($r | is-empty) {
                                 $acc
                             } else {

modules/docker/mod.nu

@@ -97,7 +97,7 @@ export def image-select [name] {
     let imgs = (image-list)
     let fs = [image tag repo]
     for i in 2..0 {
-        let r = $imgs | filter {|x|
+        let r = $imgs | where {|x|
             $fs | slice 0..$i | all {|y| ($n | get $y) == ($x | get $y) }
         }
         if ($r | is-not-empty) {

modules/git/git.nu

@@ -60,7 +60,7 @@ def "nu-complete git log" [] {
 def "nu-complete git branches" [] {
     git branch
     | lines
-    | filter {|x| not ($x | str starts-with '*')}
+    | where {|x| not ($x | str starts-with '*')}
     | each {|x| $"($x|str trim)"}
 }
 

modules/git/git_branch_cleanup.nu

@@ -141,7 +141,7 @@ def list_merged [
 
   run-external "git" "branch" ...$args
   | lines
-  | filter {|branch|
+  | where {|branch|
       $keep
       | all {|pattern|
         $branch !~ $'\A($pattern)\z'

modules/gitv2/mod.nu

@@ -101,7 +101,7 @@ export def gb [
                 git branch -D $b
             }
             if ($dels | is-not-empty) and (agree 'delete remote branch?!') {
-                for b in ($dels | filter { $"($remote)/($in)" in $remote_branches }) {
+                for b in ($dels | where { $"($remote)/($in)" in $remote_branches }) {
                     tips $"delete (ansi yellow)($remote)/($b)"
                     git branch -D -r $'($remote)/($b)'
                     git push $remote -d $b
@@ -657,13 +657,13 @@ def "nu-complete git branch files" [context: string, offset:int] {
     let files = $token | skip 2
     git ls-tree -r --name-only $branch
     | lines
-    | filter {|x| not ($x in $files)}
+    | where {|x| not ($x in $files)}
 }
 
 def "nu-complete git branches" [] {
     git branch
     | lines
-    | filter {|x| not ($x | str starts-with '*')}
+    | where {|x| not ($x | str starts-with '*')}
     | each {|x| $"($x|str trim)"}
 }
 
@@ -671,7 +671,7 @@ export def remote_branches [] {
     git branch -r
     | lines
     | str trim
-    | filter {|x| not ($x | str starts-with 'origin/HEAD') }
+    | where {|x| not ($x | str starts-with 'origin/HEAD') }
 }
 
 def "nu-complete git remotes" [] {

modules/history-utils/mod.nu

@@ -3,7 +3,7 @@ def quote [...t] {
 }
 
 def flatten_fields [args] {
-    let f = $in | default [] | filter {|x| $x | is-not-empty }
+    let f = $in | default [] | where {|x| $x | is-not-empty }
     let prefix = $args.0
     let inner = $args.1
     let outer = $args.2

modules/kubernetes/resources.nu

@@ -16,7 +16,7 @@ export def kube-refine [
     let cns = kubectl get namespace
     | from ssv -a
     | get NAME
-    | filter $nsf
+    | where $nsf
 
     let resource = kubectl get crd | from ssv | get NAME
     let resource = kubectl api-resources | from ssv -a | get NAME | append $resource
@@ -24,7 +24,7 @@ export def kube-refine [
         $resource
     } else {
         $resource
-        | filter {|x| $x in $kind }
+        | where {|x| $x in $kind }
     }
 
     mut data = []

modules/lg/mod.nu

@@ -77,7 +77,7 @@ export def --wrapped level [
         | each (do $env.lg.line_formatter $theme $align $mkl)
         | str join (char newline)
         let head = [$time $label $txt]
-        | filter {|x| $x | is-not-empty }
+        | where {|x| $x | is-not-empty }
         | str join $theme.delimiter
         [$head $body] | str join (char newline)
     } else {
@@ -85,7 +85,7 @@ export def --wrapped level [
         | each {|y| $"($theme.bg)($y.k)=($theme.fg)($y.v)"}
         | str join ' '
         [$time $label $tag $txt]
-        | filter {|x| $x | is-not-empty }
+        | where {|x| $x | is-not-empty }
         | str join $theme.delimiter
     }
     $r + $theme.terminal | do $output

modules/ls_mods/ls-hidden.nu

@@ -3,5 +3,5 @@ export def ls-hidden [
     --dir(-d):any # The directory you want to list
 ] {
     let dir = if ($dir | is-empty) { "." } else { $dir }
-	ls -a $dir | filter { ($in.name | into string | str starts-with '.') }
+	ls -a $dir | where { ($in.name | into string | str starts-with '.') }
 }

modules/yadm/mod.nu

@@ -60,7 +60,7 @@ flag_record:record # A object filled all known flags and their values.
 
 
     }
-  | filter { |value| ( $value | describe ) != nothing }
+  | where { |value| ( $value | describe ) != nothing }
 
 
 }