Stefano Fiorini
93 lines
1.9 KiB
TypeScript
93 lines
1.9 KiB
TypeScript
const TEXT_NODE = "text";
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function textNode(text: string) {
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return {
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type: TEXT_NODE,
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text,
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};
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}
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function paragraphNode(lines: string[]) {
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const content: Array<{ type: string; text?: string }> = [];
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lines.forEach((line, index) => {
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if (index > 0) {
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content.push({ type: "hardBreak" });
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}
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if (line.length > 0) {
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content.push(textNode(line));
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}
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});
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return {
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type: "paragraph",
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...(content.length > 0 ? { content } : {}),
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};
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}
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export function markdownToAdf(input: string) {
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const lines = input.replace(/\r\n/g, "\n").split("\n");
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const content: Array<Record<string, unknown>> = [];
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let index = 0;
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while (index < lines.length) {
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const current = lines[index]?.trimEnd() ?? "";
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if (current.trim().length === 0) {
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index += 1;
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continue;
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}
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const heading = current.match(/^(#{1,6})\s+(.*)$/);
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if (heading) {
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content.push({
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type: "heading",
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attrs: { level: heading[1].length },
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content: [textNode(heading[2])],
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});
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index += 1;
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continue;
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}
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if (/^[-*]\s+/.test(current)) {
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const items: Array<Record<string, unknown>> = [];
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while (index < lines.length && /^[-*]\s+/.test(lines[index] ?? "")) {
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items.push({
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type: "listItem",
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content: [
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{
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type: "paragraph",
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content: [textNode((lines[index] ?? "").replace(/^[-*]\s+/, ""))],
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},
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],
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});
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index += 1;
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}
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content.push({
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type: "bulletList",
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content: items,
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});
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continue;
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}
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const paragraphLines: string[] = [];
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while (index < lines.length && (lines[index]?.trim().length ?? 0) > 0) {
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paragraphLines.push(lines[index] ?? "");
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index += 1;
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}
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content.push(paragraphNode(paragraphLines));
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}
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return {
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type: "doc",
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version: 1,
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content,
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};
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}
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