From 43c1c464db2012f8f00157e0bafd7f655bbc9ba6 Mon Sep 17 00:00:00 2001
From: Darren Schroeder <343840+fdncred@users.noreply.github.com>
Date: Mon, 5 Apr 2021 09:56:59 -0500
Subject: [PATCH] script to generate typescript for vscode extension

---
 gen-ts-ext.nu | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 gen-ts-ext.nu

diff --git a/gen-ts-ext.nu b/gen-ts-ext.nu
new file mode 100644
index 0000000..2ee4c0f
--- /dev/null
+++ b/gen-ts-ext.nu
@@ -0,0 +1,82 @@
+# generate typescript from nushell commands
+def gen-ts-cmds [] {
+    # help commands | do -i { each { where $it.subcommands == $nothing }} | where description != '' | select name description | insert camel foo | each { update camel { build-string $it.name 'Completion' | str camel-case }}
+
+    # const ansiCompletion = new vscode.CompletionItem('ansi');
+    # ansiCompletion.commitCharacters = [' '];
+    # ansiCompletion.documentation = new vscode.MarkdownString('Press <kbd>SpaceBar</kbd> to get completions');
+
+    let cmds = $(help commands | do -i { each { where $it.subcommands == $nothing }} | where description != '' | select name description)
+    let updated_cmds = $(echo $cmds | insert camel { build-string $it.name 'Completion' | str camel-case } )
+
+    echo $updated_cmds |
+    each {
+        # let cmdCamelName = $(build-string $it.name 'Completion' | str camel-case)
+        # update camel $cmdCamelName
+        let line1 = $(build-string "const " $it.camel " = new vscode.CompletionItem('" $it.name "');" $(char newline))
+        let line2 = $(build-string $it.camel ".commitCharacters = [' '];" $(char newline) $(char newline))
+        build-string $line1 $line2
+    } | str collect
+
+    build-string "return [ " $(echo $updated_cmds | get camel | str collect ', ') " ];" | str collect
+}
+
+# generate typescript from nushell subcommands
+def gen-ts-subs [] {
+    let cmds = $(help commands | get subcommands | insert base { get name | split column ' ' base sub} | flatten)
+    let updated_cmds = $(echo $cmds | insert camelProvider {build-string $it.base 'SubCommandsProvider' | str camel-case } | insert method {build-string $it.name | str camel-case})
+    let subs_count = $(help commands | get subcommands | insert base { get name | split column ' ' base sub} | flatten | group-by base | pivot cmd cmd_count | update cmd_count { get cmd_count | length })
+    let subs_collection = $(help commands | get subcommands | insert base { get name | split column ' ' base sub} | flatten | group-by base | pivot cmd sub_cmds)
+
+    echo $subs_collection |
+    each {
+        let preamble = $(get sub_cmds | each --numbered {
+            # echo `index={{$it.index}} base={{$it.item.base}} sub={{$it.item.sub}}`
+            let method = $(build-string $it.item.name | str camel-case)
+            let camel = $(build-string $it.item.base 'SubCommandsProvider' | str camel-case)
+            if $it.index == 0 {
+                let line01 = $(build-string "    const " $camel  " = vscode.languages.registerCompletionItemProvider(" $(char newline))
+                let line02 = $(build-string "        'nushell'," $(char nl))
+                let line03 = $(build-string "        {" $(char nl))
+                let line04 = $(build-string "            provideCompletionItems(document: vscode.TextDocument, position: vscode.Position) {" $(char nl) $(char nl))
+                let line05 = $(build-string "                const linePrefix = document.lineAt(position).text.substr(0, position.character);" $(char nl))
+                let line06 = $(build-string "                if (linePrefix.endsWith('" $it.item.base " ')) {" $(char nl) $(char nl))
+                let line07 = $(build-string "                    const " $method " = new vscode.CompletionItem('" $it.item.sub "', vscode.CompletionItemKind.Method);" $(char nl))
+                let line08 = $(build-string '                    ' $method '.detail = "' $it.item.description '";' $(char nl) $(char nl))
+                build-string $line01 $line02 $line03 $line04 $line05 $line06 $line07 $line08
+            } {
+                let line07 = $(build-string "                    const " $method " = new vscode.CompletionItem('" $it.item.sub "', vscode.CompletionItemKind.Method);" $(char nl))
+                let line08 = $(build-string '                    ' $method '.detail = "' $it.item.description '";' $(char nl) $(char nl))
+                build-string $line07 $line08
+            }
+        } | str collect)
+
+        let methods = $(echo $it.sub_cmds.name | str camel-case | str collect ', ')
+
+        let line09 = $(build-string "                    return [" $(char nl))
+        let line10 = $(build-string "                         " $methods $(char nl))
+        let line11 = $(build-string "                    ];" $(char nl))
+        let line12 = $(build-string "                } else {" $(char nl))
+        let line13 = $(build-string "                    return undefined;" $(char nl))
+        let line14 = $(build-string "                }" $(char nl))
+        let line15 = $(build-string "            }" $(char nl))
+        let line16 = $(build-string "        }," $(char nl))
+        let line17 = $(build-string "        ' '" $(char nl))
+        let line18 = $(build-string "    );" $(char nl) $(char nl))
+
+        build-string $preamble $line09 $line10 $line11 $line12 $line13 $line14 $line15 $line16 $line17 $line18 | autoview
+    }
+
+    echo $subs_collection |
+        let post01 = $(build-string "    context.subscriptions.push(" $(char nl))
+        let post02 = $(build-string "        " $(echo $updated_cmds | get camelProvider | uniq | str collect ', ') $(char nl))
+        let post03 = $(build-string "    );" $(char nl))
+
+        build-string $post01 $post02 $post03 | autoview
+}
+
+# def log [message:any] {
+#     let now = $(date now | date format '%Y%m%d_%H%M%S.%f')
+#     let mess = $(build-string $now '|DBG|' $message $(char newline))
+#     echo $mess | autoview
+# }
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