golden hour

/var/www/html/wp-content/plugins/woocommerce/assets/js/admin

File/Folder	Size	Actions
api-keys.js	3.89 KB
api-keys.min.js	2.21 KB
backbone-modal.js	3.46 KB
backbone-modal.min.js	2.16 KB
marketplace-suggestions.js	15.56 KB
marketplace-suggestions.min.js	6.13 KB
meta-boxes-coupon.js	2.03 KB
meta-boxes-coupon.min.js	1.19 KB
meta-boxes-order.js	46.54 KB
meta-boxes-order.min.js	29.08 KB
meta-boxes-product-variation.js	32.99 KB
meta-boxes-product-variation.min.js	18.34 KB
meta-boxes-product.js	20.82 KB
meta-boxes-product.min.js	12.36 KB
meta-boxes.js	2.33 KB
meta-boxes.min.js	1.56 KB
network-orders.js	2.34 KB
network-orders.min.js	1.24 KB
product-ordering.js	2.26 KB
product-ordering.min.js	1.48 KB
quick-edit.js	6.76 KB
quick-edit.min.js	4.39 KB
reports.js	6.31 KB
reports.min.js	3.17 KB
settings-views-html-settings-tax.js	11.93 KB
settings-views-html-settings-tax.min.js	5.98 KB
settings.js	5.46 KB
settings.min.js	3.61 KB
system-status.js	3.55 KB
system-status.min.js	1.97 KB
term-ordering.js	4.18 KB
term-ordering.min.js	2.2 KB
users.js	3.78 KB
users.min.js	1.87 KB
wc-clipboard.js	869 B
wc-clipboard.min.js	336 B
wc-enhanced-select.js	10.41 KB
wc-enhanced-select.min.js	5.92 KB
wc-orders.js	1.9 KB
wc-orders.min.js	1.11 KB
wc-product-export.js	3.63 KB
wc-product-export.min.js	2.02 KB
wc-product-import.js	2.58 KB
wc-product-import.min.js	1.45 KB
wc-setup.js	10.05 KB
wc-setup.min.js	6.32 KB
wc-shipping-classes.js	7.92 KB
wc-shipping-classes.min.js	4.42 KB
wc-shipping-zone-methods.js	15.15 KB
wc-shipping-zone-methods.min.js	8.49 KB
wc-shipping-zones.js	8.99 KB
wc-shipping-zones.min.js	4.76 KB
wc-status-widget.js	737 B
wc-status-widget.min.js	511 B
woocommerce_admin.js	13.64 KB
woocommerce_admin.min.js	8.12 KB

Edit: wc-product-import.js

/*global ajaxurl, wc_product_import_params */
;(function ( $, window ) {

/**
	 * productImportForm handles the import process.
	 */
	var productImportForm = function( $form ) {
		this.$form           = $form;
		this.xhr             = false;
		this.mapping         = wc_product_import_params.mapping;
		this.position        = 0;
		this.file            = wc_product_import_params.file;
		this.update_existing = wc_product_import_params.update_existing;
		this.delimiter       = wc_product_import_params.delimiter;
		this.security        = wc_product_import_params.import_nonce;

// Number of import successes/failures.
		this.imported = 0;
		this.failed   = 0;
		this.updated  = 0;
		this.skipped  = 0;

// Initial state.
		this.$form.find('.woocommerce-importer-progress').val( 0 );

this.run_import = this.run_import.bind( this );

// Start importing.
		this.run_import();
	};

/**
	 * Run the import in batches until finished.
	 */
	productImportForm.prototype.run_import = function() {
		var $this = this;

$.ajax( {
			type: 'POST',
			url: ajaxurl,
			data: {
				action          : 'woocommerce_do_ajax_product_import',
				position        : $this.position,
				mapping         : $this.mapping,
				file            : $this.file,
				update_existing : $this.update_existing,
				delimiter       : $this.delimiter,
				security        : $this.security
			},
			dataType: 'json',
			success: function( response ) {
				if ( response.success ) {
					$this.position  = response.data.position;
					$this.imported += response.data.imported;
					$this.failed   += response.data.failed;
					$this.updated  += response.data.updated;
					$this.skipped  += response.data.skipped;
					$this.$form.find('.woocommerce-importer-progress').val( response.data.percentage );

if ( 'done' === response.data.position ) {
						var file_name = wc_product_import_params.file.split( '/' ).pop();
						window.location = response.data.url +
							'&products-imported=' +
							parseInt( $this.imported, 10 ) +
							'&products-failed=' +
							parseInt( $this.failed, 10 ) +
							'&products-updated=' +
							parseInt( $this.updated, 10 ) +
							'&products-skipped=' +
							parseInt( $this.skipped, 10 ) +
							'&file-name=' +
							file_name;
					} else {
						$this.run_import();
					}
				}
			}
		} ).fail( function( response ) {
			window.console.log( response );
		} );
	};

/**
	 * Function to call productImportForm on jQuery selector.
	 */
	$.fn.wc_product_importer = function() {
		new productImportForm( this );
		return this;
	};

$( '.woocommerce-importer' ).wc_product_importer();

})( jQuery, window );