angular2/src/core/change_detection/constants.js

Angular 2 - a web framework for modern web apps

'use strict';var lang_1 = require('angular2/src/facade/lang');
(function (ChangeDetectorState) {
    /**
     * `NeverChecked` means that the change detector has not been checked yet, and
     * initialization methods should be called during detection.
     */
    ChangeDetectorState[ChangeDetectorState["NeverChecked"] = 0] = "NeverChecked";
    /**
     * `CheckedBefore` means that the change detector has successfully completed at least
     * one detection previously.
     */
    ChangeDetectorState[ChangeDetectorState["CheckedBefore"] = 1] = "CheckedBefore";
    /**
     * `Errored` means that the change detector encountered an error checking a binding
     * or calling a directive lifecycle method and is now in an inconsistent state. Change
     * detectors in this state will no longer detect changes.
     */
    ChangeDetectorState[ChangeDetectorState["Errored"] = 2] = "Errored";
})(exports.ChangeDetectorState || (exports.ChangeDetectorState = {}));
var ChangeDetectorState = exports.ChangeDetectorState;
(function (ChangeDetectionStrategy) {
    /**
     * `CheckedOnce` means that after calling detectChanges the mode of the change detector
     * will become `Checked`.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["CheckOnce"] = 0] = "CheckOnce";
    /**
     * `Checked` means that the change detector should be skipped until its mode changes to
     * `CheckOnce`.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["Checked"] = 1] = "Checked";
    /**
     * `CheckAlways` means that after calling detectChanges the mode of the change detector
     * will remain `CheckAlways`.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["CheckAlways"] = 2] = "CheckAlways";
    /**
     * `Detached` means that the change detector sub tree is not a part of the main tree and
     * should be skipped.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["Detached"] = 3] = "Detached";
    /**
     * `OnPush` means that the change detector's mode will be set to `CheckOnce` during hydration.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["OnPush"] = 4] = "OnPush";
    /**
     * `Default` means that the change detector's mode will be set to `CheckAlways` during hydration.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["Default"] = 5] = "Default";
    /**
     * This is an experimental feature. Works only in Dart.
     */
    ChangeDetectionStrategy[ChangeDetectionStrategy["OnPushObserve"] = 6] = "OnPushObserve";
})(exports.ChangeDetectionStrategy || (exports.ChangeDetectionStrategy = {}));
var ChangeDetectionStrategy = exports.ChangeDetectionStrategy;
exports.CHANGE_DETECTION_STRATEGY_VALUES = [
    ChangeDetectionStrategy.CheckOnce,
    ChangeDetectionStrategy.Checked,
    ChangeDetectionStrategy.CheckAlways,
    ChangeDetectionStrategy.Detached,
    ChangeDetectionStrategy.OnPush,
    ChangeDetectionStrategy.Default,
    ChangeDetectionStrategy.OnPushObserve
];
exports.CHANGE_DETECTOR_STATE_VALUES = [
    ChangeDetectorState.NeverChecked,
    ChangeDetectorState.CheckedBefore,
    ChangeDetectorState.Errored
];
function isDefaultChangeDetectionStrategy(changeDetectionStrategy) {
    return lang_1.isBlank(changeDetectionStrategy) ||
        changeDetectionStrategy === ChangeDetectionStrategy.Default;
}
exports.isDefaultChangeDetectionStrategy = isDefaultChangeDetectionStrategy;
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