| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | /**
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| 9 | * Represents a basic change from a previous to a new value for a single
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| 10 | * property on a directive instance. Passed as a value in a
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| 11 | * {@link SimpleChanges} object to the `ngOnChanges` hook.
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| 12 | *
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| 13 | * @see `OnChanges`
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| 14 | *
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| 15 | * @publicApi
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| 16 | */
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| 17 | export class SimpleChange {
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| 18 | constructor(previousValue, currentValue, firstChange) {
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| 19 | this.previousValue = previousValue;
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| 20 | this.currentValue = currentValue;
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| 21 | this.firstChange = firstChange;
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| 22 | }
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| 23 | /**
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| 24 | * Check whether the new value is the first value assigned.
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| 25 | */
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| 26 | isFirstChange() {
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| 27 | return this.firstChange;
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| 28 | }
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| 29 | }
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| 30 | //# sourceMappingURL=data:application/json;base64,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 |
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