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@@ -1,71 +0,0 @@
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-import type { Schema as SanitizeOption } from 'hast-util-sanitize';
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-import type { Plugin } from 'unified';
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-import type { Parent, Node } from 'unist';
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-import { findAfter } from 'unist-util-find-after';
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-import { visit, EXIT } from 'unist-util-visit';
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-
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-
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-function wrapAllChildrenWithSlides(rootNode: Parent): void {
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- const slides = {
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- type: 'slides',
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- children: rootNode.children,
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- data: {
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- hName: 'slides',
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- },
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- };
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-
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- rootNode.children = [slides];
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-}
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-
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-function wrapWithSlide(parentNode: Parent, startElem: Node, endElem: Node | null): void {
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- const siblings = parentNode.children;
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-
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- const startIndex = siblings.indexOf(startElem);
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- const endIndex = endElem != null ? siblings.indexOf(endElem) : undefined;
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-
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- const between = siblings.slice(
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- startIndex,
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- endIndex,
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- );
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-
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- const slide = {
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- type: 'slide',
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- children: between,
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- data: {
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- hName: 'slide',
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- },
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- };
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-
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- siblings.splice(startIndex, between.length, slide);
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-}
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-
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-export const remarkPlugin: Plugin = function() {
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- return (tree) => {
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- // wrap with <slides>
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- visit(tree, (node) => {
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- if (node.type === 'root') {
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- const rootNode = node as Parent;
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- wrapAllChildrenWithSlides(rootNode);
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-
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- return [EXIT];
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- }
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- });
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-
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- // wrap with <slide>
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- visit(
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- tree,
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- node => node.type === 'heading',
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- (node, index, parent: Parent) => {
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- const startElem = node;
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- const endElem = findAfter(parent, startElem, node => node.type === 'heading');
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-
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- wrapWithSlide(parent, startElem, endElem);
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- },
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- );
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- };
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-};
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-
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-
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-export const sanitizeOption: SanitizeOption = {
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- tagNames: ['slides', 'slide'],
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-};
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Yuki Takei