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Separate jupyter widgets manager extension
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /*************************************************************************** | ||
| * Copyright (c) 2018, Voilà contributors * | ||
| * Copyright (c) 2018, QuantStack * | ||
| * * | ||
| * Distributed under the terms of the BSD 3-Clause License. * | ||
| * * | ||
| * The full license is in the file LICENSE, distributed with this software. * | ||
| ****************************************************************************/ | ||
|
|
||
| import { | ||
| JupyterFrontEnd, | ||
| JupyterFrontEndPlugin | ||
| } from '@jupyterlab/application'; | ||
|
|
||
| import { IRenderMimeRegistry } from '@jupyterlab/rendermime'; | ||
|
|
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| import { Widget } from '@lumino/widgets'; | ||
| import { RenderedCells } from './renderedcells'; | ||
|
|
||
| /** | ||
| * The plugin that renders outputs. | ||
| */ | ||
| export const renderOutputsPlugin: JupyterFrontEndPlugin<void> = { | ||
| id: '@voila-dashboards/voila:render-outputs', | ||
| autoStart: true, | ||
| requires: [IRenderMimeRegistry], | ||
| activate: (app: JupyterFrontEnd, rendermime: IRenderMimeRegistry): void => { | ||
| // This "app.started.then" is a trick to make sure we render the output only when all plugins are loaded | ||
| // Not using await here because we want this function to return immediately | ||
| // Otherwise it prevents the application to start and resolve the "started" promise... | ||
| app.started.then(async () => { | ||
| // TODO: Typeset a fake element to get MathJax loaded, remove this hack once | ||
| // MathJax 2 is removed. | ||
| await rendermime.latexTypesetter?.typeset(document.createElement('div')); | ||
|
|
||
| // Render latex in markdown cells | ||
| const mdOutput = document.body.querySelectorAll('div.jp-MarkdownOutput'); | ||
| mdOutput.forEach((md) => { | ||
| rendermime.latexTypesetter?.typeset(md as HTMLElement); | ||
| }); | ||
| // Render outputs | ||
| const cellOutputs = document.body.querySelectorAll( | ||
| 'script[type="application/vnd.voila.cell-output+json"]' | ||
| ); | ||
| cellOutputs.forEach(async (cellOutput) => { | ||
| const model = JSON.parse(cellOutput.innerHTML); | ||
|
|
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| const mimeType = rendermime.preferredMimeType(model.data, 'any'); | ||
|
|
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| if (!mimeType) { | ||
| return null; | ||
| } | ||
| const output = rendermime.createRenderer(mimeType); | ||
| output.renderModel(model).catch((error) => { | ||
| // Manually append error message to output | ||
| const pre = document.createElement('pre'); | ||
| pre.textContent = `Javascript Error: ${error.message}`; | ||
| output.node.appendChild(pre); | ||
|
|
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| // Remove mime-type-specific CSS classes | ||
| pre.className = 'lm-Widget jp-RenderedText'; | ||
| pre.setAttribute('data-mime-type', 'application/vnd.jupyter.stderr'); | ||
| }); | ||
|
|
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| output.addClass('jp-OutputArea-output'); | ||
|
|
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| if (cellOutput.parentElement) { | ||
| const container = cellOutput.parentElement; | ||
|
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| container.removeChild(cellOutput); | ||
|
|
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| // Attach output | ||
| Widget.attach(output, container); | ||
| } | ||
| }); | ||
| const node = document.getElementById('rendered_cells'); | ||
| if (node) { | ||
| const cells = new RenderedCells({ node }); | ||
| app.shell.add(cells, 'main'); | ||
| } | ||
| }); | ||
| } | ||
| }; |
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