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Diffstat (limited to 'src/frontend/render/utils.ts')
-rw-r--r-- | src/frontend/render/utils.ts | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/src/frontend/render/utils.ts b/src/frontend/render/utils.ts deleted file mode 100644 index 9d55626fe..000000000 --- a/src/frontend/render/utils.ts +++ /dev/null @@ -1,52 +0,0 @@ -import unified from 'unified'; -import parse from 'rehype-parse'; -import toH from 'hast-to-hyperscript'; -import { ComponentRenderer } from '../../@types/renderer'; -import moize from 'moize'; - -/** @internal */ -function childrenToTree(children: string[]) { - return children.map((child) => (unified().use(parse, { fragment: true }).parse(child) as any).children.pop()); -} - -/** - * Converts an HTML fragment string into vnodes for rendering via provided framework - * @param h framework's `createElement` function - * @param children the HTML string children - */ -export const childrenToVnodes = moize.deep(function childrenToVnodes(h: any, children: string[]) { - const tree = childrenToTree(children); - const vnodes = tree.map((subtree) => { - if (subtree.type === 'text') return subtree.value; - return toH(h, subtree); - }); - return vnodes; -}); - -/** - * Converts an HTML fragment string into h function calls as a string - * @param h framework's `createElement` function - * @param children the HTML string children - */ -export const childrenToH = moize.deep(function childrenToH(renderer: ComponentRenderer<any>, children: string[]): any { - if (!renderer.jsxPragma) return; - const tree = childrenToTree(children); - const innerH = (name: any, attrs: Record<string, any> | null = null, _children: string[] | null = null) => { - const vnode = renderer.jsxPragma?.(name, attrs, _children); - const childStr = _children ? `, [${_children.map((child) => serializeChild(child)).join(',')}]` : ''; - /* fix(react): avoid hard-coding keys into the serialized tree */ - if (attrs && attrs.key) attrs.key = undefined; - const __SERIALIZED = `${renderer.jsxPragmaName}("${name}", ${attrs ? JSON.stringify(attrs) : 'null'}${childStr})` as string; - return { ...vnode, __SERIALIZED }; - }; - const serializeChild = (child: unknown) => { - if (['string', 'number', 'boolean'].includes(typeof child)) return JSON.stringify(child); - if (child === null) return `null`; - if ((child as any).__SERIALIZED) return (child as any).__SERIALIZED; - return innerH(child).__SERIALIZED; - }; - return tree.map((subtree) => { - if (subtree.type === 'text') return JSON.stringify(subtree.value); - return toH(innerH, subtree).__SERIALIZED - }); -}); |