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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 | /// <amd-module name="@angular/core/schematics/migrations/template-var-assignment/angular/html_variable_assignment_visitor" />
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9 | import { PropertyWrite } from '@angular/compiler';
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10 | import { BoundEvent, Element, NullVisitor, Template } from '@angular/compiler/src/render3/r3_ast';
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11 | export interface TemplateVariableAssignment {
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12 | start: number;
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13 | end: number;
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14 | node: PropertyWrite;
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15 | }
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16 | /**
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17 | * HTML AST visitor that traverses the Render3 HTML AST in order to find all
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18 | * expressions that write to local template variables within bound events.
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19 | */
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20 | export declare class HtmlVariableAssignmentVisitor extends NullVisitor {
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21 | variableAssignments: TemplateVariableAssignment[];
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22 | private currentVariables;
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23 | private expressionAstVisitor;
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24 | visitElement(element: Element): void;
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25 | visitTemplate(template: Template): void;
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26 | visitBoundEvent(node: BoundEvent): void;
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27 | }
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