mirror of https://github.com/sveltejs/svelte
move test/generator to test/runtime, and have separate input -> output tests for codegen. add test for #433
parent
d105b6ba4c
commit
803d1d2746
@ -1,3 +1,5 @@
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src/shared
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shared.js
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test/test.js
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test/test.js
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**/_actual.js
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**/expected.js
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Use these tests sparingly, as they will need to be updated frequently as the code generation changes.
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@ -0,0 +1,28 @@
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import assert from 'assert';
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import * as fs from 'fs';
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import * as path from 'path';
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import { svelte } from '../helpers.js';
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describe( 'js', () => {
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fs.readdirSync( 'test/js/samples' ).forEach( dir => {
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if ( dir[0] === '.' ) return;
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// add .solo to a sample directory name to only run that test
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const solo = /\.solo/.test( dir );
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if ( solo && process.env.CI ) {
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throw new Error( 'Forgot to remove `solo: true` from test' );
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}
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( solo ? it.only : it )( dir, () => {
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dir = path.resolve( 'test/js/samples', dir );
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const input = fs.readFileSync( `${dir}/input.html`, 'utf-8' ).replace( /\s+$/, '' );
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const actual = svelte.compile( input ).code;
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fs.writeFileSync( `${dir}/_actual.js`, actual );
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const expected = fs.readFileSync( `${dir}/expected.js`, 'utf-8' );
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assert.equal( actual.trim(), expected.trim() );
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});
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});
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});
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var template = (function () {
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return {
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methods: {
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foo ( bar ) {
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console.log( bar );
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}
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},
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events: {
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foo ( node, callback ) {
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// code goes here
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}
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}
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};
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}());
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function render_main_fragment ( root, component ) {
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var button = createElement( 'button' );
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var foo_handler = template.events.foo.call( component, button, function ( event ) {
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var root = component.get();
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component.foo( root.bar );
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}.bind( button ) );
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appendNode( createText( "foo" ), button );
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return {
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mount: function ( target, anchor ) {
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insertNode( button, target, anchor );
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},
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update: noop,
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teardown: function ( detach ) {
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foo_handler.teardown();
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if ( detach ) {
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detachNode( button );
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}
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}
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};
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}
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function SvelteComponent ( options ) {
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options = options || {};
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this._state = options.data || {};
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this._observers = {
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pre: Object.create( null ),
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post: Object.create( null )
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};
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this._handlers = Object.create( null );
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this._root = options._root;
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this._yield = options._yield;
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this._torndown = false;
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this._fragment = render_main_fragment( this._state, this );
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if ( options.target ) this._fragment.mount( options.target, null );
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}
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assign( SvelteComponent.prototype, template.methods, {
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get: get,
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fire: fire,
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observe: observe,
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on: on,
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set: set,
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_flush: _flush
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});
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SvelteComponent.prototype._set = function _set ( newState ) {
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var oldState = this._state;
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this._state = assign( {}, oldState, newState );
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dispatchObservers( this, this._observers.pre, newState, oldState );
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if ( this._fragment ) this._fragment.update( newState, this._state );
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dispatchObservers( this, this._observers.post, newState, oldState );
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};
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SvelteComponent.prototype.teardown = SvelteComponent.prototype.destroy = function destroy ( detach ) {
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this.fire( 'destroy' );
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this._fragment.teardown( detach !== false );
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this._fragment = null;
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this._state = {};
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this._torndown = true;
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};
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function createElement( name ) {
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return document.createElement( name );
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}
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function detachNode( node ) {
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node.parentNode.removeChild( node );
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}
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function insertNode( node, target, anchor ) {
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target.insertBefore( node, anchor );
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}
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function createText( data ) {
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return document.createTextNode( data );
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}
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function appendNode( node, target ) {
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target.appendChild( node );
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}
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function assign( target ) {
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for ( var i = 1; i < arguments.length; i += 1 ) {
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var source = arguments[i];
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for ( var k in source ) target[k] = source[k];
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}
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return target;
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}
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function dispatchObservers( component, group, newState, oldState ) {
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for ( var key in group ) {
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if ( !( key in newState ) ) continue;
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var newValue = newState[ key ];
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var oldValue = oldState[ key ];
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if ( newValue === oldValue && typeof newValue !== 'object' ) continue;
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var callbacks = group[ key ];
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if ( !callbacks ) continue;
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for ( var i = 0; i < callbacks.length; i += 1 ) {
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var callback = callbacks[i];
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if ( callback.__calling ) continue;
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callback.__calling = true;
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callback.call( component, newValue, oldValue );
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callback.__calling = false;
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}
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}
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}
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function get( key ) {
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return key ? this._state[ key ] : this._state;
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}
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function fire( eventName, data ) {
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var handlers = eventName in this._handlers && this._handlers[ eventName ].slice();
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if ( !handlers ) return;
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for ( var i = 0; i < handlers.length; i += 1 ) {
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handlers[i].call( this, data );
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}
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}
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function observe( key, callback, options ) {
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var group = ( options && options.defer ) ? this._observers.pre : this._observers.post;
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( group[ key ] || ( group[ key ] = [] ) ).push( callback );
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if ( !options || options.init !== false ) {
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callback.__calling = true;
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callback.call( this, this._state[ key ] );
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callback.__calling = false;
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}
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return {
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cancel: function () {
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var index = group[ key ].indexOf( callback );
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if ( ~index ) group[ key ].splice( index, 1 );
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}
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};
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}
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function on( eventName, handler ) {
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if ( eventName === 'teardown' ) return this.on( 'destroy', handler );
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var handlers = this._handlers[ eventName ] || ( this._handlers[ eventName ] = [] );
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handlers.push( handler );
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return {
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cancel: function () {
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var index = handlers.indexOf( handler );
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if ( ~index ) handlers.splice( index, 1 );
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}
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};
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}
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function set( newState ) {
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this._set( newState );
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( this._root || this )._flush();
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}
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function _flush() {
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if ( !this._renderHooks ) return;
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while ( this._renderHooks.length ) {
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var hook = this._renderHooks.pop();
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hook.fn.call( hook.context );
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}
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}
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export default SvelteComponent;
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<button on:foo='foo( bar )'>foo</button>
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<script>
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export default {
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methods: {
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foo ( bar ) {
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console.log( bar );
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}
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},
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events: {
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foo ( node, callback ) {
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// code goes here
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}
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}
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};
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</script>
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