Remove [index:string]: any; from TxtNode.

[azu]

textlint/packages/@textlint/ast-node-types/src/NodeType.ts

Lines 50 to 59 in ed732f1

	export interface TxtNode {
	type: TxtNodeType;
	raw: string;
	range: TxtNodeRange;
	loc: TxtNodeLocation;
	// `parent` is created by runtime
	parent?: TxtParentNode;
	[index: string]: any;
	}

[index:string]: any; break Omit<> return type.

https://www.typescriptlang.org/play?#code/JYOwLgpgTgZghgYwgAgJLIN4Chm+WATwAcIAuZAIiIoG4c8EALYAGwBMoIRyBnMKUAHMA2gF06eZMNBsIAD1J8BIQaPJwQBOgF8sWQiWQB5ZAF5jAW2BgAPKgA0lAxAoA+ZADJM9XM-IUAe1osXSwEAJA+ZADyI2EKJlYOLgpRM0xtOgB6LMkAPQB+PSA

interface I {
    type: "p";
    children: string[];
    [index:string]: any;
}

type O = Omit<I, "type"> & {
    type: "o";
}

const o: O["children"] = {};
//    ^? any

It prevent that extends TxtNode types.

https://github.com/textlint-rule/sentence-splitter/blob/40b80206aa0076d1ce8beab3bf4e01c69ed710a1/src/sentence-splitter.ts#L41-L48