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Add Jupyter Notebook (.ipynb) rendering support

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karthik.bhandary
2026-04-27 06:21:34 +00:00
parent d83c602da2
commit 53cbc734a5
4 changed files with 126 additions and 304 deletions
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web_src/js/render/plugins/frontend-jupyter-notebook.ts
+56 -20
View File
@@ -1,4 +1,22 @@
import type {FrontendRenderFunc} from '../plugin.ts';
import '../../../css/features/jupyter.css';
// Simple markdown to HTML converter for notebook cells
function renderMarkdown(markdown: string): string {
return markdown
// Headers
.replace(/^### (.*$)/gim, '<h3>$1</h3>')
.replace(/^## (.*$)/gim, '<h2>$1</h2>')
.replace(/^# (.*$)/gim, '<h1>$1</h1>')
// Bold
.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
// Italic
.replace(/\*(.+?)\*/g, '<em>$1</em>')
// Inline code
.replace(/`(.+?)`/g, '<code>$1</code>')
// Line breaks
.replace(/\n/g, '<br>');
}
export const frontendRender: FrontendRenderFunc = async (opts) => {
try {
@@ -21,18 +39,21 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
if (cell.cell_type === 'markdown') {
const inputDiv = document.createElement('div');
inputDiv.className = 'input';
inputDiv.className = 'input markup';
const source = Array.isArray(cell.source) ? cell.source.join('') : (cell.source || '');
inputDiv.innerHTML = source;
inputDiv.innerHTML = renderMarkdown(source);
cellDiv.append(inputDiv);
} else if (cell.cell_type === 'code') {
const inputDiv = document.createElement('div');
inputDiv.className = 'input';
const inputWrapper = document.createElement('div');
inputWrapper.className = 'input-wrapper';
const prompt = document.createElement('div');
prompt.className = 'prompt';
prompt.className = 'prompt input-prompt';
prompt.textContent = `In [${cell.execution_count || executionCount}]:`;
inputDiv.append(prompt);
inputWrapper.append(prompt);
const inputDiv = document.createElement('div');
inputDiv.className = 'input';
const pre = document.createElement('pre');
const code = document.createElement('code');
@@ -41,33 +62,38 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
code.textContent = source;
pre.append(code);
inputDiv.append(pre);
cellDiv.append(inputDiv);
inputWrapper.append(inputDiv);
cellDiv.append(inputWrapper);
if (cell.outputs && Array.isArray(cell.outputs) && cell.outputs.length > 0) {
const outputDiv = document.createElement('div');
outputDiv.className = 'output';
const outputWrapper = document.createElement('div');
outputWrapper.className = 'output-wrapper';
const hasExecutionResult = cell.outputs.some((o: any) => o.output_type === 'execute_result');
const outPrompt = document.createElement('div');
outPrompt.className = 'prompt output-prompt';
if (hasExecutionResult) {
const outPrompt = document.createElement('div');
outPrompt.className = 'prompt';
outPrompt.textContent = `Out[${cell.execution_count || executionCount}]:`;
outputDiv.append(outPrompt);
}
outputWrapper.append(outPrompt);
const outputDiv = document.createElement('div');
outputDiv.className = 'output';
for (const output of cell.outputs) {
try {
if (output.data) {
if (output.data['image/png']) {
const img = document.createElement('img');
const imgData = Array.isArray(output.data['image/png']) ?
const imgData = Array.isArray(output.data['image/png']) ?
output.data['image/png'].join('') : output.data['image/png'];
img.src = `data:image/png;base64,${imgData}`;
img.style.maxWidth = '100%';
outputDiv.append(img);
} else if (output.data['image/jpeg']) {
const img = document.createElement('img');
const imgData = Array.isArray(output.data['image/jpeg']) ?
const imgData = Array.isArray(output.data['image/jpeg']) ?
output.data['image/jpeg'].join('') : output.data['image/jpeg'];
img.src = `data:image/jpeg;base64,${imgData}`;
img.style.maxWidth = '100%';
@@ -79,11 +105,20 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
svgDiv.innerHTML = svgData;
outputDiv.append(svgDiv);
} else if (output.data['text/html']) {
const wrapperDiv = document.createElement('div');
wrapperDiv.style.overflowX = 'auto';
wrapperDiv.style.maxWidth = '100%';
const htmlDiv = document.createElement('div');
const htmlData = Array.isArray(output.data['text/html']) ?
output.data['text/html'].join('') : output.data['text/html'];
htmlDiv.innerHTML = htmlData;
outputDiv.append(htmlDiv);
// Ensure images inside HTML outputs are constrained
htmlDiv.querySelectorAll('img').forEach((img) => {
img.style.maxWidth = '100%';
img.style.height = 'auto';
});
wrapperDiv.append(htmlDiv);
outputDiv.append(wrapperDiv);
} else if (output.data['application/javascript']) {
const jsDiv = document.createElement('div');
jsDiv.className = 'js-output-warning';
@@ -135,8 +170,8 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
} else if (output.output_type === 'error') {
const errorPre = document.createElement('pre');
errorPre.className = 'error-output';
errorPre.style.color = '#d32f2f';
const traceback = Array.isArray(output.traceback) ? output.traceback.join('\n') :
errorPre.style.color = 'var(--color-red)';
const traceback = Array.isArray(output.traceback) ? output.traceback.join('\n') :
(output.ename && output.evalue ? `${output.ename}: ${output.evalue}` : 'Error');
errorPre.textContent = traceback;
outputDiv.append(errorPre);
@@ -152,7 +187,8 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
}
if (outputDiv.children.length > 0) {
cellDiv.append(outputDiv);
outputWrapper.append(outputDiv);
cellDiv.append(outputWrapper);
}
}
@@ -166,13 +202,13 @@ export const frontendRender: FrontendRenderFunc = async (opts) => {
const {initMarkupCodeMath} = await import('../../markup/math.ts');
await initMarkupCodeMath(container);
return true;
} catch (error) {
console.error('Jupyter notebook rendering failed:', error);
const errorDiv = document.createElement('div');
errorDiv.style.padding = '20px';
errorDiv.style.color = '#d32f2f';
errorDiv.style.color = 'var(--color-red)';
const errorTitle = document.createElement('strong');
errorTitle.textContent = 'Failed to render notebook:';
errorDiv.append(errorTitle);