How to prevent automatically turn tab to space when save a file - visual-studio-code

Question

I got a formatting issue, please help me guys. When I Ctrl+S a .js file, it turn to indent Tab for a moment then turn indent to Space. Yes I have tried to set Tabs size to 2 and uncheck Insert Space in settings but no use. Here is my settings.json file. I use Prettier for default code formatter.
{
//"editor.formatOnSave": true,
"editor.formatOnType": true,
"editor.tabSize": 2,
"prettier.singleQuote": true,
"prettier.useTabs": true,
"terminal.integrated.defaultProfile.windows": "Git Bash",
"editor.fontWeight": "normal",
"editor.defaultFormatter": "esbenp.prettier-vscode",
"liveServer.settings.donotShowInfoMsg": true,
"workbench.startupEditor": "none",
"workbench.iconTheme": "vscode-icons",
"editor.guides.bracketPairs": true,
"[css]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"prettier.printWidth": 72,
"prettier.useEditorConfig": false,
"editor.codeActionsOnSave": {
"source.fixAll.eslint": true
},
"html.customData": ["snippet"],
"html.format.indentInnerHtml": true,
"git.autofetch": true,
"eslint.codeActionsOnSave.rules": null,
"eslint.workingDirectories": [
{
"mode": "auto"
}
],
"editor.parameterHints.enabled": false,
"vetur.completion.scaffoldSnippetSources": {
"workspace": "💼",
"user": "🗒️",
"vetur": "✌"
},
"[vue]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"workbench.editorAssociations": {
"*.sqlite": "sqlite-viewer.option"
},
"vsicons.dontShowNewVersionMessage": true,
"[python]": {
"editor.defaultFormatter": "ms-python.python"
},
"[javascript]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"[html]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"[json]": {
"editor.defaultFormatter": "esbenp.prettier-vscode"
},
"diffEditor.ignoreTrimWhitespace": false,
"bracket-pair-colorizer-2.depreciation-notice": false,
"editor.suggest.showKeywords": false,
"vetur.format.options.useTabs": false,
"sync.autoDownload": true,
"editor.comments.insertSpace": false,
"editor.detectIndentation": true,
"editor.tabCompletion": "on",
"editor.trimAutoWhitespace": false
}