4bd181d3cc
* fix: update to latest sapper fixes #416 * fix error and debug pages * requestIdleCallback makes column switching feel way nicer than double rAF * add export feature * add better csp info * workaround for sapper sub-page issue * clarify in readme about exporting * fix now config * switch from rIC to triple raf * style-loader is no longer used * update theming guide
8 lines
229 B
JavaScript
8 lines
229 B
JavaScript
// svelte helper to add a .once() method similar to .on, but only fires once
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export function once (eventName, callback) {
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let listener = this.on(eventName, eventValue => {
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listener.cancel()
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callback(eventValue)
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})
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}
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