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53 lines
1.7 KiB
CoffeeScript
53 lines
1.7 KiB
CoffeeScript
_ = require 'underscore-plus'
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ItemSpecificities = new WeakMap
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merge = (menu, item, itemSpecificity=Infinity) ->
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item = cloneMenuItem(item)
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ItemSpecificities.set(item, itemSpecificity) if itemSpecificity
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matchingItemIndex = findMatchingItemIndex(menu, item)
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matchingItem = menu[matchingItemIndex] unless matchingItemIndex is - 1
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if matchingItem?
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if item.submenu?
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merge(matchingItem.submenu, submenuItem, itemSpecificity) for submenuItem in item.submenu
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else if itemSpecificity
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unless itemSpecificity < ItemSpecificities.get(matchingItem)
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menu[matchingItemIndex] = item
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else unless item.type is 'separator' and _.last(menu)?.type is 'separator'
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menu.push(item)
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unmerge = (menu, item) ->
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matchingItemIndex = findMatchingItemIndex(menu, item)
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matchingItem = menu[matchingItemIndex] unless matchingItemIndex is - 1
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if matchingItem?
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if item.submenu?
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unmerge(matchingItem.submenu, submenuItem) for submenuItem in item.submenu
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unless matchingItem.submenu?.length > 0
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menu.splice(matchingItemIndex, 1)
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findMatchingItemIndex = (menu, {type, label, submenu}) ->
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return -1 if type is 'separator'
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for item, index in menu
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if normalizeLabel(item.label) is normalizeLabel(label) and item.submenu? is submenu?
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return index
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-1
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normalizeLabel = (label) ->
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return undefined unless label?
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if process.platform is 'darwin'
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label
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else
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label.replace(/\&/g, '')
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cloneMenuItem = (item) ->
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item = _.pick(item, 'type', 'label', 'enabled', 'visible', 'command', 'submenu', 'commandDetail')
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if item.submenu?
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item.submenu = item.submenu.map (submenuItem) -> cloneMenuItem(submenuItem)
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item
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module.exports = {merge, unmerge, normalizeLabel, cloneMenuItem}
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