VSCode italics in (almost) any theme

vscode-italics.json

// All you need to do is add a font that has pretty good itlaics support i.e Fira, Operator, etc. and then add these two params to your existing User settings.
// Tested in Monokai Sharp and Super One Dark

{
"editor.fontFamily": "'Operator Mono', Menlo, Monaco, 'Courier New', monospace",
"editor.tokenColorCustomizations": {
        "textMateRules": [
            {
                "scope": [
                    "comment",
                    "keyword.control",
                    "keyword.operator.new",
                    "keyword.operator.assignment",
                    "keyword.operator.arithmetic",
                    "keyword.other",
                    "storage.modifier",
                    "storage.type",
                    "support.class",
                    "support.constant",
                    "support.function",
                    "support.other",
                    "entity.name.class",
                    // Function might be overkill in JSX files
                    "entity.name.function",
                    "entity.name.method",
                    "entity.name.section",
                    "entity.name.selector",
                    "entity.name.type",
                    "entity.other",
                    "entity.other.attribute-name",
                    "entity.other.inherited-class"
                ],
                "settings": {
                    "fontStyle": "italic"
                }
            },
            {
              // No one likes an italicised arrow function
                "scope": [
                    "storage.type.function.arrow"
                ],
                "settings": {
                    "fontStyle": ""
                }
            }
        ]
    }
}