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js/src/dom/data.js
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GeoSot
Remove version comment from JavaScript src files (#38294)
22 мар 2023, 10:12
Не верифицирован
22 мар 2023, 10:12
ab049cd
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/** * -------------------------------------------------------------------------- * Bootstrap dom/data.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ /** * Constants */ const elementMap = new Map() export default { set(element, key, instance) { if (!elementMap.has(element)) { elementMap.set(element, new Map()) } const instanceMap = elementMap.get(element) // make it clear we only want one instance per element // can be removed later when multiple key/instances are fine to be used if (!instanceMap.has(key) && instanceMap.size !== 0) { // eslint-disable-next-line no-console console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`) return } instanceMap.set(key, instance) }, get(element, key) { if (elementMap.has(element)) { return elementMap.get(element).get(key) || null } return null }, remove(element, key) { if (!elementMap.has(element)) { return } const instanceMap = elementMap.get(element) instanceMap.delete(key) // free up element references if there are no instances left for an element if (instanceMap.size === 0) { elementMap.delete(element) } } }