[6a3a178] | 1 | /**
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| 2 | * --------------------------------------------------------------------------
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| 3 | * Bootstrap (v5.1.3): dom/data.js
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| 4 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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| 5 | * --------------------------------------------------------------------------
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| 6 | */
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| 7 |
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| 8 | /**
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| 9 | * ------------------------------------------------------------------------
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| 10 | * Constants
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| 11 | * ------------------------------------------------------------------------
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| 12 | */
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| 13 |
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| 14 | const elementMap = new Map()
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| 15 |
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| 16 | export default {
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| 17 | set(element, key, instance) {
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| 18 | if (!elementMap.has(element)) {
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| 19 | elementMap.set(element, new Map())
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| 20 | }
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| 21 |
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| 22 | const instanceMap = elementMap.get(element)
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| 23 |
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| 24 | // make it clear we only want one instance per element
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| 25 | // can be removed later when multiple key/instances are fine to be used
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| 26 | if (!instanceMap.has(key) && instanceMap.size !== 0) {
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| 27 | // eslint-disable-next-line no-console
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| 28 | console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`)
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| 29 | return
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| 30 | }
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| 31 |
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| 32 | instanceMap.set(key, instance)
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| 33 | },
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| 34 |
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| 35 | get(element, key) {
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| 36 | if (elementMap.has(element)) {
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| 37 | return elementMap.get(element).get(key) || null
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| 38 | }
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| 39 |
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| 40 | return null
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| 41 | },
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| 42 |
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| 43 | remove(element, key) {
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| 44 | if (!elementMap.has(element)) {
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| 45 | return
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| 46 | }
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| 47 |
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| 48 | const instanceMap = elementMap.get(element)
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| 49 |
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| 50 | instanceMap.delete(key)
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| 51 |
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| 52 | // free up element references if there are no instances left for an element
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| 53 | if (instanceMap.size === 0) {
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| 54 | elementMap.delete(element)
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| 55 | }
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| 56 | }
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| 57 | }
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