wehub-resource-sync
32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
# Plugin render limits
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`<perspective-viewer>` plugins (especially charts) may in some cases generate
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extremely large output which may lock up the browser. In order to prevent
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accidents (which generally require a browser refresh to fix), each plugin has a
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`max_cells` and `max_columns` heuristic which requires the user to opt-in to
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fully rendering `View`s which exceed these limits. To override this behavior,
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set these values for each plugin type individually, _before_ the plugin itself
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is rendered (e.g. calling `HTMLPerspectiveViewerElement::restore` with the
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respective `plugin` name).
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If you have a `<perspective-viewer>` instance, you can configure plugins via
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`HTMLPerspectiveViewerElement::getPlugin` and
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`HTMLPerspectiveViewerElement::getAllPlugins`:
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```javascript
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const viewer = document.querySelector("perspective-viewer");
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const plugin = viewer.getPlugin("Treemap");
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plugin.max_cells = 1_000_000;
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plugin.max_columns = 1000;
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```
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... Or alternatively, you can look up the Custom Element classes and set the
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static variants if you know the element name (you can e.g. look this up in your
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browser's DOM inspector):
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```javascript
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const plugin = customElements.get("perspective-viewer-charts-treemap");
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plugin.max_cells = 1_000_000;
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plugin.max_columns = 1000;
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```
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