### Index

- _scrollbarWidth (src/.../window-tools.ts)
- carbonFlatpickrMonthSelectPlugin (src/.../carbon-flatpickr-month-select.ts)
- config (src/.../carbon-flatpickr-month-select.ts)
- context (src/.../test.ts)
- defaultOffset (src/.../dropdown.service.ts)
- EN (src/.../i18n.service.ts)
- EXPERIMENTAL_SERVICE_PROVIDER (src/.../experimental.module.ts)
- I18N_SERVICE_PROVIDER (src/.../i18n.module.ts)
- isScrollableElement (src/.../scroll.ts)
- isVisibleInContainer (src/.../scroll.ts)
- merge (src/.../object.ts)
- MINIMUM_OVERFLOW_THRESHOLD (src/.../breadcrumb.component.ts)
- monthToStr (src/.../carbon-flatpickr-month-select.ts)
- nextId (src/.../tab.component.ts)
- noop (src/.../file-uploader.component.ts)
- PLACEHOLDER_SERVICE_PROVIDER (src/.../placeholder.module.ts)
- replace (src/.../i18n.service.ts)
- require (src/.../test.ts)
- scrollableParentsObservable (src/.../scroll.ts)
- tabbableSelector (src/.../tab.service.ts)
- tabbableSelectorIgnoreTabIndex (src/.../tab.service.ts)
- treetools (src/.../dropdowntools.ts)

### src/utils/window-tools.ts

###

_scrollbarWidth
`_scrollbarWidth: ```
Default value : `-1`

### src/datepicker/carbon-flatpickr-month-select.ts

###

carbonFlatpickrMonthSelectPlugin
`carbonFlatpickrMonthSelectPlugin: ```

Default value : `fp => { const setupElements = () => { if (!fp.monthElements) { return; } fp.monthElements.forEach(elem => { if (!elem.parentNode) { return; } elem.parentNode.removeChild(elem); }); fp.monthElements.splice( 0, fp.monthElements.length, ...fp.monthElements.map(() => { // eslint-disable-next-line no-underscore-dangle const monthElement = fp._createElement( "span", config.classFlatpickrCurrentMonth ); monthElement.textContent = monthToStr( fp.currentMonth, config.shorthand === true, fp.l10n ); fp.yearElements[0] .closest(config.selectorFlatpickrMonthYearContainer) .insertBefore( monthElement, fp.yearElements[0].closest(config.selectorFlatpickrYearContainer) ); return monthElement; }) ); }; const updateCurrentMonth = () => { const monthStr = monthToStr( fp.currentMonth, config.shorthand === true, fp.l10n ); fp.yearElements.forEach(elem => { const currentMonthContainer = elem.closest( config.selectorFlatpickrMonthYearContainer ); Array.prototype.forEach.call( currentMonthContainer.querySelectorAll(".cur-month"), monthElement => { monthElement.textContent = monthStr; } ); }); }; const register = () => { fp.loadedPlugins.push("carbonFlatpickrMonthSelectPlugin"); }; return { onMonthChange: updateCurrentMonth, onOpen: updateCurrentMonth, onReady: [setupElements, updateCurrentMonth, register] }; }`

config
`config: `object``
Type : `object`

Default value : `{ selectorInit: "[data-date-picker]", selectorDatePickerInput: "[data-date-picker-input]", selectorDatePickerInputFrom: "[data-date-picker-input-from]", selectorDatePickerInputTo: "[data-date-picker-input-to]", selectorDatePickerIcon: "[data-date-picker-icon]", selectorFlatpickrMonthYearContainer: ".flatpickr-current-month", selectorFlatpickrYearContainer: ".numInputWrapper", selectorFlatpickrCurrentMonth: ".cur-month", classCalendarContainer: `bx--date-picker__calendar`, classMonth: `bx--date-picker__month`, classWeekdays: `bx--date-picker__weekdays`, classDays: `bx--date-picker__days`, classWeekday: `bx--date-picker__weekday`, classDay: `bx--date-picker__day`, classFocused: `bx--focused`, classVisuallyHidden: `bx--visually-hidden`, classFlatpickrCurrentMonth: "cur-month", attribType: "data-date-picker-type", dateFormat: "m/d/Y", shorthand: false }`

monthToStr
`monthToStr: ```
Default value : `(monthNumber, shorthand, locale) => locale.months[shorthand ? "shorthand" : "longhand"][monthNumber]`

This is from carbon-components. We need it to format the month select according to specs. Carbon currently doesn't expose this as a seperate package, and we don't import the carbon-components js (on purpose) so some copy pasta is required

ref: https://github.com/carbon-design-system/carbon/blob/ f06f38f0c2ef624e409a3d5711e897a79f4c88fc/packages/components/src/components/date-picker/date-picker.js#L52-L123

### src/test.ts

###

context
`context: ```
Default value : `require.context("./", true, /\.spec\.ts$/)`

require
`require: `any``
Type : `any`

### src/dropdown/dropdown.service.ts

###

defaultOffset
`defaultOffset: `object``
Type : `object`
Default value : `{ top: 0, left: 0 }`

### src/i18n/i18n.service.ts

###

EN
`EN: ```
Default value : `require("./en.json")`

replace
`replace: ```
Default value : `(subject, variables) => subject.pipe( map<string, void>(str => { const keys = Object.keys(variables); for (const key of keys) { const value = variables[key]; str = str.replace(new RegExp(`{{\\s*${key}\\s*}}`, "g"), value); } return str; }) )`

Takes the `Observable` returned from `i18n.get` and an object of variables to replace.

The keys specify the variable name in the string.

Example:

     * service.set({ "TEST": "{{foo}} {{bar}}" });
     *
     * service.replace(service.get("TEST"), { foo: "test", bar: "asdf" })
     *

Produces: `"test asdf"`

### src/experimental.module.ts

###

EXPERIMENTAL_SERVICE_PROVIDER
`EXPERIMENTAL_SERVICE_PROVIDER: `object``
Type : `object`
Default value : `{ provide: ExperimentalService, deps: [[new Optional(), new SkipSelf(), ExperimentalService]], useFactory: EXPERIMENTAL_SERVICE_PROVIDER_FACTORY }`

### src/i18n/i18n.module.ts

###

I18N_SERVICE_PROVIDER
`I18N_SERVICE_PROVIDER: `object``
Type : `object`
Default value : `{ provide: I18n, deps: [[new Optional(), new SkipSelf(), I18n]], useFactory: I18N_SERVICE_PROVIDER_FACTORY }`

### src/utils/scroll.ts

###

isScrollableElement
`isScrollableElement: ```
Default value : `(element: HTMLElement) => { const computedStyle = getComputedStyle(element); return ( computedStyle.overflow === "auto" || computedStyle.overflow === "scroll" || computedStyle["overflow-y"] === "auto" || computedStyle["overflow-y"] === "scroll" || computedStyle["overflow-x"] === "auto" || computedStyle["overflow-x"] === "scroll" ); }`
Checks if a given element is scrollable. If the element has an overflow set as part of its computed style it can scroll.

isVisibleInContainer
`isVisibleInContainer: ```
Default value : `(element: HTMLElement, container: HTMLElement) => { const elementRect = element.getBoundingClientRect(); const containerRect = container.getBoundingClientRect(); return elementRect.bottom <= containerRect.bottom && elementRect.top >= containerRect.top; }`
Checks if an element is visible within a container

scrollableParentsObservable
`scrollableParentsObservable: ```

Default value : `(node: HTMLElement) => { const windowScroll = fromEvent(window, "scroll").pipe(map(event => ( // update the event target to be something useful. In this case `body` is a sensible replacement Object.assign({}, event, { target: document.body }) as Event ))); let observables = [windowScroll]; // walk the parents and subscribe to all the scroll events we can while (node.parentElement && node !== document.body) { if (isScrollableElement(node)) { observables.push(fromEvent(node, "scroll")); } node = node.parentElement; } return merge(...observables); }`

Returns an observable that emits whenever any scrollable parent element scrolls

### src/utils/object.ts

###

merge
`merge: ```

Default value : `(target, ...objects) => { for (const object of objects) { for (const key in object) { if (object.hasOwnProperty(key)) { // since we're dealing just with JSON this simple check should be enough if (object[key] instanceof Object) { if (!target[key]) { target[key] = {}; } // recursively merge into the target // most translations only run 3 or 4 levels deep, so no stack explosions target[key] = merge(target[key], object[key]); } else { target[key] = object[key]; } } } } return target; }`

### src/breadcrumb/breadcrumb.component.ts

###

MINIMUM_OVERFLOW_THRESHOLD
`MINIMUM_OVERFLOW_THRESHOLD: `number``
Type : `number`
Default value : `4`

### src/tabs/tab.component.ts

###

nextId
`nextId: `number``
Type : `number`
Default value : `0`

### src/file-uploader/file-uploader.component.ts

###

noop
`noop: ```
Default value : `() => {}`

### src/placeholder/placeholder.module.ts

###

PLACEHOLDER_SERVICE_PROVIDER
`PLACEHOLDER_SERVICE_PROVIDER: `object``
Type : `object`
Default value : `{ provide: PlaceholderService, deps: [[new Optional(), new SkipSelf(), PlaceholderService]], useFactory: PLACEHOLDER_SERVICE_PROVIDER_FACTORY }`

### src/common/tab.service.ts

###

tabbableSelector
`tabbableSelector: ```
Default value : `"a[href], area[href], input:not([disabled]):not([tabindex=\'-1\']), " + "button:not([disabled]):not([tabindex=\'-1\']),select:not([disabled]):not([tabindex=\'-1\']), " + "textarea:not([disabled]):not([tabindex=\'-1\']), " + "iframe, object, embed, *[tabindex]:not([tabindex=\'-1\']), *[contenteditable=true]"`

tabbableSelectorIgnoreTabIndex
`tabbableSelectorIgnoreTabIndex: ```
Default value : `"a[href], area[href], input:not([disabled]), " + "button:not([disabled]),select:not([disabled]), " + "textarea:not([disabled]), " + "iframe, object, embed, *[tabindex], *[contenteditable=true]"`

### src/dropdown/dropdowntools.ts

###

treetools
`treetools: `object``
Type : `object`
Default value : `{ /** finds an item in a set of items and returns the item and path to the item as an array */ find: function(items, itemToFind, path = []) { let found; for (let i of items) { if (i === itemToFind) { path.push(i); found = i; } if (i.items && !found) { path.push(i); found = this.find(i.items, itemToFind, path).found; if (!found) { path = []; } } } return {found, path}; } }`
bundle of functions to aid in manipulating tree structures

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