Files
Gists/public/ipynb.ts

128 lines
4.4 KiB
TypeScript

import hljs from 'highlight.js';
import latex from './latex';
import showdown from 'showdown';
class IPynb {
private element: HTMLElement;
private cells: HTMLElement[] = [];
private language: string = 'python';
private notebook: any;
constructor(element: HTMLElement) {
this.element = element;
let notebookContent = element.innerText;
try {
this.notebook = JSON.parse(notebookContent);
} catch (e) {
console.error('Failed to parse Jupyter notebook content:', e);
return;
}
if (!this.notebook) {
console.error('Failed to parse Jupyter notebook content:', notebookContent);
return;
}
this.language = this.notebook.metadata.kernelspec?.language || 'python';
this.cells = this.createCells();
}
mount() {
const parent = this.element.parentElement as HTMLElement;
parent.removeChild(this.element);
parent.innerHTML = this.cells
.filter((cell: HTMLElement) => !!cell?.outerHTML)
.map((cell: HTMLElement) => cell.outerHTML)
.join('');
}
private getOutputs(cell: any): HTMLElement[] {
return (cell.outputs || []).map((output: any) => {
const outputElement = document.createElement('div');
outputElement.classList.add('jupyter-output');
if (output.output_type === 'stream') {
const textElement = document.createElement('pre');
textElement.classList.add('stream-output');
textElement.textContent = output.text.join('');
outputElement.appendChild(textElement);
} else if (output.output_type === 'display_data' || output.output_type === 'execute_result') {
if (output.data['text/plain']) {
outputElement.innerHTML += `\n<pre>${output.data['text/plain']}</pre>`;
}
if (output.data['text/html']) {
outputElement.innerHTML += '\n' + output.data['text/html'];
}
const images = Object.keys(output.data).filter(key => key.startsWith('image/'));
if (images.length > 0) {
const imgEl = document.createElement('img');
const imgType = images[0]; // Use the first image type found
imgEl.src = `data:${imgType};base64,${output.data[imgType]}`;
outputElement.innerHTML += imgEl.outerHTML;
}
} else if (output.output_type === 'execute_result') {
if (output.data['text/plain']) {
outputElement.innerHTML += `<pre>${output.data['text/plain']}</pre>`;
}
if (output.data['text/html']) {
outputElement.innerHTML += output.data['text/html'];
}
if (output.data['image/png']) {
const imgEl = document.createElement('img');
imgEl.src = `data:image/png;base64,${output.data['image/png']}`;
outputElement.appendChild(imgEl);
}
} else if (output.output_type === 'error') {
outputElement.classList.add('error');
outputElement.textContent = `Error: ${output.ename}: ${output.evalue}`;
}
return outputElement;
});
}
private createCellElement(cell: any): HTMLElement {
const cellElement = document.createElement('div');
const source = cell.source.join('');
cellElement.classList.add('jupyter-cell');
switch (cell.cell_type) {
case 'markdown':
const converter = new showdown.Converter();
cellElement.classList.add('markdown-cell');
cellElement.innerHTML = `<div class="markdown-body">${converter.makeHtml(latex.render(source))}</div>`;
break;
case 'code':
cellElement.classList.add('code-cell');
cellElement.innerHTML = `<pre class="hljs"><code class="language-${this.language}">${source}</code></pre>`;
hljs.highlightElement(cellElement.querySelector('code') as HTMLElement);
break;
default:
break;
}
return cellElement;
}
private createCells(): HTMLElement[] {
return (this.notebook.cells || []).map((cell: any) => {
const container = document.createElement('div');
const cellElement = this.createCellElement(cell);
const outputs = this.getOutputs(cell);
container.classList.add('jupyter-cell-container');
container.appendChild(cellElement);
outputs.forEach((output: HTMLElement) => container.appendChild(output));
return container;
});
}
}
// Process Jupyter notebooks
document.querySelectorAll<HTMLElement>('.jupyter.notebook pre').forEach((el) => {
new IPynb(el).mount();
});