import { Formattable, Leaf } from './blot';
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import ShadowBlot from './shadow';
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import * as Registry from '../../registry';
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class LeafBlot extends ShadowBlot implements Leaf {
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static scope = Registry.Scope.INLINE_BLOT;
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static value(domNode: Node): any {
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return true;
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}
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index(node: Node, offset: number): number {
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if (
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this.domNode === node ||
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this.domNode.compareDocumentPosition(node) & Node.DOCUMENT_POSITION_CONTAINED_BY
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) {
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return Math.min(offset, 1);
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}
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return -1;
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}
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position(index: number, inclusive?: boolean): [Node, number] {
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let offset = [].indexOf.call(this.parent.domNode.childNodes, this.domNode);
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if (index > 0) offset += 1;
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return [this.parent.domNode, offset];
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}
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value(): any {
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return { [this.statics.blotName]: this.statics.value(this.domNode) || true };
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}
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}
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export default LeafBlot;
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