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936d0af5fb
* Set up markdown rendering, update theme. * Improve focus and handle expanding for markdown cells * Add keybindings for expanding/navigating cells * Improve editor autofocus when navigating with shortcuts * Add tests * Render markdown on the client * Don't render cell initial data and make a request instead
35 lines
744 B
JavaScript
35 lines
744 B
JavaScript
export function getAttributeOrThrow(element, attr, transform = null) {
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if (!element.hasAttribute(attr)) {
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throw new Error(
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`Missing attribute '${attr}' on element <${element.tagName}:${element.id}>`
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);
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}
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const value = element.getAttribute(attr);
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return transform ? transform(value) : value;
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}
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export function parseBoolean(value) {
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if (value === "true") {
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return true;
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}
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if (value === "false") {
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return false;
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}
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throw new Error(
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`Invalid boolean attribute ${value}, should be either "true" or "false"`
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);
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}
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export function parseInteger(value) {
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const number = parseInt(value, 10);
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if (Number.isNaN(number)) {
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throw new Error(`Invalid integer value ${value}`);
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}
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return number;
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}
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