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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-01-24 12:33:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2023-01-24 12:33:51 +0000 |
commit | 3ea39841c8049525e31e9f4d6300f0c60cdb42de (patch) | |
tree | 855de60a8872eafb5911acd303aedcdbfe713a73 /js/src/dom/data.js | |
parent | Inital commit. (diff) | |
download | bootstrap-html-3ea39841c8049525e31e9f4d6300f0c60cdb42de.tar.xz bootstrap-html-3ea39841c8049525e31e9f4d6300f0c60cdb42de.zip |
Adding upstream version 5.2.3+dfsg.upstream/5.2.3+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/dom/data.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/dom/data.js b/js/src/dom/data.js new file mode 100644 index 0000000..2c6a46e --- /dev/null +++ b/js/src/dom/data.js @@ -0,0 +1,55 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.2.3): 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) + } + } +} |