Constructor
new Promise(opt_callbackopt)
A polyfill to implement Promises, primarily for IE. Only partially supports thenables, but otherwise passes the A+ conformance tests. Note that Promise.all() and Promise.race() are not tested by that suite.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
opt_callback |
function(function(*), function(*))= |
<optional> |
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Members
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(private, static, nullable) flushTimer_ :number
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A timer ID to flush the queue.
Type:
- number
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(private, static, non-null) q_ :Array.<function()>
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A queue of callbacks to be invoked ASAP in the next frame.
Type:
- Array.<function()>
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(static) State :number
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Type:
- number
Properties:
Name Value Type Description PENDING0 number RESOLVED1 number REJECTED2 number - Source:
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(private, non-null) catches_ :Array.<shaka.polyfill.Promise.Child>
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Type:
- Array.<shaka.polyfill.Promise.Child>
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(private) state_ :shaka.polyfill.Promise.State
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Type:
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(private, non-null) thens_ :Array.<shaka.polyfill.Promise.Child>
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Type:
- Array.<shaka.polyfill.Promise.Child>
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(private) value_ :*
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Type:
- *
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Methods
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(static) all(othersnon-null) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Description othersArray.<!shaka.polyfill.Promise> - Source:
Returns:
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(private, static) clearImmediate_(id)
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Parameters:
Name Type Description idnumber Clear a scheduled callback. Bound in shaka.polyfill.Promise.install() to a specific implementation. - Source:
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(private, static) flush_()
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Flush the queue of callbacks.
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(private, static) handleThenable_(thenablenon-null, then, childnon-null)
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Parameters:
Name Type Description thenableObject thenFunction childshaka.polyfill.Promise - Source:
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(static) install()
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Install the polyfill if needed.
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(static) race(othersnon-null) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Description othersArray.<!shaka.polyfill.Promise> - Source:
Returns:
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(static) reject(reason) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Description reason* - Source:
Returns:
-
(static) resolve(value) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Description value* - Source:
Returns:
-
(private, static) setImmediate_(callback) → {number}
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Parameters:
Name Type Description callbackfunction() - Source:
Returns:
Schedule a callback as soon as possible. Bound in shaka.polyfill.Promise.install() to a specific implementation.- Type
- number
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catch(callback) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Description callbackfunction(*) - Source:
Returns:
-
(private) reject_(reason)
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Parameters:
Name Type Description reason* - Source:
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(private) resolve_(value)
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Parameters:
Name Type Description value* - Source:
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(private) schedule_(childnon-null, callback)
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Parameters:
Name Type Description childshaka.polyfill.Promise callbackfunction(*) | undefined - Source:
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then(opt_successCallbackopt, opt_failCallbackopt) → (non-null) {shaka.polyfill.Promise}
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Parameters:
Name Type Attributes Description opt_successCallbackfunction(*)= <optional>
opt_failCallbackfunction(*)= <optional>
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Returns:
Type Definitions
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Child
A child promise, used for chaining.
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Only exists in the context of a then or catch chain.
Type:
- {promise: !shaka.polyfill.Promise, callback: (function(*)|undefined)}
Properties:
Name Type Description promiseshaka.polyfill.Promise The child promise. callbackfunction(*) | undefined The then or catch callback to be invoked as part of this chain. - Source: