еще правки

frontend/create-spfx.ps1

@@ -14,6 +14,24 @@ $ErrorActionPreference = "Stop"
 # на современных Node (node-gyp 3.8 требует Python 2).
 $SpfxVersion = "1.22.1"
 
+# ---- Запись файлов ----
+# ВАЖНО: "Set-Content -Encoding UTF8" в Windows PowerShell 5.1 пишет UTF-8 С BOM.
+# Heft, tsc и node на BOM в .json/.js спотыкаются:
+#   Unexpected token '<U+FEFF>', "<U+FEFF>{ ..." is not valid JSON
+# Поэтому все конфиги пишем строго UTF-8 без BOM.
+function Write-Utf8NoBom {
+    param(
+        [Parameter(Mandatory = $true)][string]$Path,
+        [Parameter(Mandatory = $true)][string]$Content
+    )
+    $full = [System.IO.Path]::Combine((Get-Location).ProviderPath, $Path)
+    $dir  = [System.IO.Path]::GetDirectoryName($full)
+    if ($dir -and -not (Test-Path $dir)) {
+        New-Item -ItemType Directory -Force -Path $dir | Out-Null
+    }
+    [System.IO.File]::WriteAllText($full, ($Content -replace "`r?`n", "`r`n"), (New-Object System.Text.UTF8Encoding($false)))
+}
+
 # ---- Цвета вывода ----
 function Info    { param($msg) Write-Host "[INFO] $msg" -ForegroundColor Cyan }
 function Success { param($msg) Write-Host "[OK]   $msg" -ForegroundColor Green }
@@ -152,7 +170,7 @@ $packageJson = @'
 }
 '@
 
-$packageJson | Set-Content -Encoding UTF8 "package.json"
+Write-Utf8NoBom "package.json" $packageJson
 Success "package.json создан."
 
 # ---------------------------------------------------------
@@ -237,7 +255,7 @@ $rigJson = @'
 }
 '@
 
-$rigJson | Set-Content -Encoding UTF8 "config\rig.json"
+Write-Utf8NoBom "config\rig.json" $rigJson
 Success "config\rig.json создан."
 
 # ---------------------------------------------------------
@@ -253,7 +271,7 @@ $sassJson = @'
 }
 '@
 
-$sassJson | Set-Content -Encoding UTF8 "config\sass.json"
+Write-Utf8NoBom "config\sass.json" $sassJson
 Success "config\sass.json создан."
 
 # ---------------------------------------------------------
@@ -272,7 +290,7 @@ $typescriptJson = @'
 }
 '@
 
-$typescriptJson | Set-Content -Encoding UTF8 "config\typescript.json"
+Write-Utf8NoBom "config\typescript.json" $typescriptJson
 Success "config\typescript.json создан."
 
 # ---------------------------------------------------------
@@ -287,7 +305,7 @@ if (-not (Test-Path "tsconfig.json")) {
 }
 '@
 
-    $tsConfig | Set-Content -Encoding UTF8 "tsconfig.json"
+    Write-Utf8NoBom "tsconfig.json" $tsConfig
     Success "tsconfig.json создан."
 } else {
     Success "tsconfig.json уже существует, пропускаем."
@@ -308,7 +326,7 @@ module.exports = {
 };
 '@
 
-    $eslintConfig | Set-Content -Encoding UTF8 ".eslintrc.js"
+    Write-Utf8NoBom ".eslintrc.js" $eslintConfig
     Success ".eslintrc.js создан."
 } else {
     Success ".eslintrc.js уже существует, пропускаем."
@@ -329,7 +347,7 @@ temp/
 sharepoint/solution/
 '@
 
-$gitignore | Set-Content -Encoding UTF8 ".gitignore"
+Write-Utf8NoBom ".gitignore" $gitignore
 Success ".gitignore создан."
 
 # ---------------------------------------------------------