Adds more italics to all your code themes.

extra-italics.json

{
  "editor.tokenColorCustomizations": {
    "textMateRules": [
      {
        "name": "Comment",
        "scope": "comment",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Keyword",
        "scope": ["punctuation.accessor", "keyword"],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Storage",
        "scope": [
          "storage",
          "meta.var.expr",
          "meta.class meta.method.declaration meta.var.expr storage.type.js",
          "storage.type.property.js",
          "storage.type.property.ts",
          "storage.type.property.tsx"
        ],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Tag attribute",
        "scope": "entity.other.attribute-name",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Keyword Operator Relational",
        "scope": "keyword.operator.relational",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Meta Delimiter Period",
        "scope": "meta.delimiter.period",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Meta Selector",
        "scope": "meta.selector",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Doctypes",
        "scope": ["entity.name.tag.doctype", "meta.tag.sgml.doctype"],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Variable Property Other object property",
        "scope": ["variable.other.object.property"],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Keyword Operator Comparison, imports, returns and Keyword Operator Ruby",
        "scope": [
          "keyword.operator.comparison",
          "keyword.control.flow.js",
          "keyword.control.flow.ts",
          "keyword.control.flow.tsx",
          "keyword.control.ruby",
          "keyword.control.module.ruby",
          "keyword.control.class.ruby",
          "keyword.control.def.ruby",
          "keyword.control.loop.js",
          "keyword.control.loop.ts",
          "keyword.control.import.js",
          "keyword.control.import.ts",
          "keyword.control.import.tsx",
          "keyword.control.from.js",
          "keyword.control.from.ts",
          "keyword.control.from.tsx"
        ],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Italics",
        "scope": "italic",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Quote",
        "scope": "quote",
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "Go Keywords",
        "scope": [
          "source.go keyword.package.go",
          "source.go keyword.import.go",
          "source.go keyword.function.go",
          "source.go keyword.type.go",
          "source.go keyword.struct.go",
          "source.go keyword.interface.go",
          "source.go keyword.const.go",
          "source.go keyword.var.go",
          "source.go keyword.map.go",
          "source.go keyword.channel.go",
          "source.go keyword.control.go"
        ],
        "settings": {
          "fontStyle": "italic"
        }
      },
      {
        "name": "HTML Doctype",
        "scope": "meta.tag.sgml.doctype.html",
        "settings": {
          "fontStyle": "italic"
        }
      }
    ]
  }
}