/*
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 * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
 * or disable the default devtool with "devtool: false".
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/***/ "../node_modules/@lumino/domutils/dist/index.es6.js":
/*!**********************************************************!*\
  !*** ../node_modules/@lumino/domutils/dist/index.es6.js ***!
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */   \"ClipboardExt\": () => (/* binding */ ClipboardExt),\n/* harmony export */   \"ElementExt\": () => (/* binding */ ElementExt),\n/* harmony export */   \"Platform\": () => (/* binding */ Platform),\n/* harmony export */   \"Selector\": () => (/* binding */ Selector)\n/* harmony export */ });\n// Copyright (c) Jupyter Development Team.\n// Distributed under the terms of the Modified BSD License.\n/*-----------------------------------------------------------------------------\n| Copyright (c) 2014-2019, PhosphorJS Contributors\n|\n| Distributed under the terms of the BSD 3-Clause License.\n|\n| The full license is in the file LICENSE, distributed with this software.\n|----------------------------------------------------------------------------*/\n/**\n * The namespace for clipboard related functionality.\n */\nvar ClipboardExt;\n(function (ClipboardExt) {\n    /**\n     * Copy text to the system clipboard.\n     *\n     * @param text - The text to copy to the clipboard.\n     */\n    function copyText(text) {\n        // Fetch the document body.\n        var body = document.body;\n        // Set up the clipboard event listener.\n        var handler = function (event) {\n            // Stop the event propagation.\n            event.preventDefault();\n            event.stopPropagation();\n            // Set the clipboard data.\n            event.clipboardData.setData('text', text);\n            // Remove the event listener.\n            body.removeEventListener('copy', handler, true);\n        };\n        // Add the event listener.\n        body.addEventListener('copy', handler, true);\n        // Trigger the event.\n        document.execCommand('copy');\n    }\n    ClipboardExt.copyText = copyText;\n})(ClipboardExt || (ClipboardExt = {}));\n\n// Copyright (c) Jupyter Development Team.\n// Distributed under the terms of the Modified BSD License.\n/*-----------------------------------------------------------------------------\n| Copyright (c) 2014-2017, PhosphorJS Contributors\n|\n| Distributed under the terms of the BSD 3-Clause License.\n|\n| The full license is in the file LICENSE, distributed with this software.\n|----------------------------------------------------------------------------*/\n/**\n * The namespace for element related utilities.\n */\nvar ElementExt;\n(function (ElementExt) {\n    /**\n     * Compute the box sizing for an element.\n     *\n     * @param element - The element of interest.\n     *\n     * @returns The box sizing data for the specified element.\n     */\n    function boxSizing(element) {\n        var style = window.getComputedStyle(element);\n        var bt = parseFloat(style.borderTopWidth) || 0;\n        var bl = parseFloat(style.borderLeftWidth) || 0;\n        var br = parseFloat(style.borderRightWidth) || 0;\n        var bb = parseFloat(style.borderBottomWidth) || 0;\n        var pt = parseFloat(style.paddingTop) || 0;\n        var pl = parseFloat(style.paddingLeft) || 0;\n        var pr = parseFloat(style.paddingRight) || 0;\n        var pb = parseFloat(style.paddingBottom) || 0;\n        var hs = bl + pl + pr + br;\n        var vs = bt + pt + pb + bb;\n        return {\n            borderTop: bt,\n            borderLeft: bl,\n            borderRight: br,\n            borderBottom: bb,\n            paddingTop: pt,\n            paddingLeft: pl,\n            paddingRight: pr,\n            paddingBottom: pb,\n            horizontalSum: hs,\n            verticalSum: vs\n        };\n    }\n    ElementExt.boxSizing = boxSizing;\n    /**\n     * Compute the size limits for an element.\n     *\n     * @param element - The element of interest.\n     *\n     * @returns The size limit data for the specified element.\n     */\n    function sizeLimits(element) {\n        var style = window.getComputedStyle(element);\n        var minWidth = parseFloat(style.minWidth) || 0;\n        var minHeight = parseFloat(style.minHeight) || 0;\n        var maxWidth = parseFloat(style.maxWidth) || Infinity;\n        var maxHeight = parseFloat(style.maxHeight) || Infinity;\n        maxWidth = Math.max(minWidth, maxWidth);\n        maxHeight = Math.max(minHeight, maxHeight);\n        return { minWidth: minWidth, minHeight: minHeight, maxWidth: maxWidth, maxHeight: maxHeight };\n    }\n    ElementExt.sizeLimits = sizeLimits;\n    /**\n     * Test whether a client position lies within an element.\n     *\n     * @param element - The DOM element of interest.\n     *\n     * @param clientX - The client X coordinate of interest.\n     *\n     * @param clientY - The client Y coordinate of interest.\n     *\n     * @returns Whether the point is within the given element.\n     */\n    function hitTest(element, clientX, clientY) {\n        var rect = element.getBoundingClientRect();\n        return (clientX >= rect.left &&\n            clientX < rect.right &&\n            clientY >= rect.top &&\n            clientY < rect.bottom);\n    }\n    ElementExt.hitTest = hitTest;\n    /**\n     * Vertically scroll an element into view if needed.\n     *\n     * @param area - The scroll area element.\n     *\n     * @param element - The element of interest.\n     *\n     * #### Notes\n     * This follows the \"nearest\" behavior of the native `scrollIntoView`\n     * method, which is not supported by all browsers.\n     * https://drafts.csswg.org/cssom-view/#element-scrolling-members\n     *\n     * If the element fully covers the visible area or is fully contained\n     * within the visible area, no scrolling will take place. Otherwise,\n     * the nearest edges of the area and element are aligned.\n     */\n    function scrollIntoViewIfNeeded(area, element) {\n        var ar = area.getBoundingClientRect();\n        var er = element.getBoundingClientRect();\n        if (er.top <= ar.top && er.bottom >= ar.bottom) {\n            return;\n        }\n        if (er.top < ar.top && er.height <= ar.height) {\n            area.scrollTop -= ar.top - er.top;\n            return;\n        }\n        if (er.bottom > ar.bottom && er.height >= ar.height) {\n            area.scrollTop -= ar.top - er.top;\n            return;\n        }\n        if (er.top < ar.top && er.height > ar.height) {\n            area.scrollTop -= ar.bottom - er.bottom;\n            return;\n        }\n        if (er.bottom > ar.bottom && er.height < ar.height) {\n            area.scrollTop -= ar.bottom - er.bottom;\n            return;\n        }\n    }\n    ElementExt.scrollIntoViewIfNeeded = scrollIntoViewIfNeeded;\n})(ElementExt || (ElementExt = {}));\n\n// Copyright (c) Jupyter Development Team.\n// Distributed under the terms of the Modified BSD License.\n/*-----------------------------------------------------------------------------\n| Copyright (c) 2014-2017, PhosphorJS Contributors\n|\n| Distributed under the terms of the BSD 3-Clause License.\n|\n| The full license is in the file LICENSE, distributed with this software.\n|----------------------------------------------------------------------------*/\n/**\n * The namespace for platform related utilities.\n */\nvar Platform;\n(function (Platform) {\n    /**\n     * A flag indicating whether the platform is Mac.\n     */\n    Platform.IS_MAC = !!navigator.platform.match(/Mac/i);\n    /**\n     * A flag indicating whether the platform is Windows.\n     */\n    Platform.IS_WIN = !!navigator.platform.match(/Win/i);\n    /**\n     * A flag indicating whether the browser is IE.\n     */\n    Platform.IS_IE = /Trident/.test(navigator.userAgent);\n    /**\n     * A flag indicating whether the browser is Edge.\n     */\n    Platform.IS_EDGE = /Edge/.test(navigator.userAgent);\n    /**\n     * Test whether the `accel` key is pressed.\n     *\n     * @param event - The keyboard or mouse event of interest.\n     *\n     * @returns Whether the `accel` key is pressed.\n     *\n     * #### Notes\n     * On Mac the `accel` key is the command key. On all other\n     * platforms the `accel` key is the control key.\n     */\n    function accelKey(event) {\n        return Platform.IS_MAC ? event.metaKey : event.ctrlKey;\n    }\n    Platform.accelKey = accelKey;\n})(Platform || (Platform = {}));\n\n// Copyright (c) Jupyter Development Team.\n// Distributed under the terms of the Modified BSD License.\n/*-----------------------------------------------------------------------------\n| Copyright (c) 2014-2017, PhosphorJS Contributors\n|\n| Distributed under the terms of the BSD 3-Clause License.\n|\n| The full license is in the file LICENSE, distributed with this software.\n|----------------------------------------------------------------------------*/\n/**\n * The namespace for selector related utilities.\n */\nvar Selector;\n(function (Selector) {\n    /**\n     * Calculate the specificity of a single CSS selector.\n     *\n     * @param selector - The CSS selector of interest.\n     *\n     * @returns The specificity of the selector.\n     *\n     * #### Undefined Behavior\n     * The selector is invalid.\n     *\n     * #### Notes\n     * This is based on https://www.w3.org/TR/css3-selectors/#specificity\n     *\n     * A larger number represents a more specific selector.\n     *\n     * The smallest possible specificity is `0`.\n     *\n     * The result is represented as a hex number `0x<aa><bb><cc>` where\n     * each component is the count of the respective selector clause.\n     *\n     * If the selector contains commas, only the first clause is used.\n     *\n     * The computed result is cached, so subsequent calculations for the\n     * same selector are extremely fast.\n     */\n    function calculateSpecificity(selector) {\n        if (selector in Private.specificityCache) {\n            return Private.specificityCache[selector];\n        }\n        var result = Private.calculateSingle(selector);\n        return Private.specificityCache[selector] = result;\n    }\n    Selector.calculateSpecificity = calculateSpecificity;\n    /**\n     * Test whether a selector is a valid CSS selector.\n     *\n     * @param selector - The CSS selector of interest.\n     *\n     * @returns `true` if the selector is valid, `false` otherwise.\n     *\n     * #### Notes\n     * The computed result is cached, so subsequent tests for the same\n     * selector are extremely fast.\n     */\n    function isValid(selector) {\n        if (selector in Private.validityCache) {\n            return Private.validityCache[selector];\n        }\n        var result = true;\n        try {\n            Private.testElem.querySelector(selector);\n        }\n        catch (err) {\n            result = false;\n        }\n        return Private.validityCache[selector] = result;\n    }\n    Selector.isValid = isValid;\n    /**\n     * Test whether an element matches a CSS selector.\n     *\n     * @param element - The element of interest.\n     *\n     * @param selector - The valid CSS selector of interest.\n     *\n     * @returns `true` if the element is a match, `false` otherwise.\n     *\n     * #### Notes\n     * This function uses the builtin browser capabilities when possible,\n     * falling back onto a document query otherwise.\n     */\n    function matches(element, selector) {\n        return Private.protoMatchFunc.call(element, selector);\n    }\n    Selector.matches = matches;\n})(Selector || (Selector = {}));\n/**\n * The namespace for the module implementation details.\n */\nvar Private;\n(function (Private) {\n    /**\n     * A cache of computed selector specificity values.\n     */\n    Private.specificityCache = Object.create(null);\n    /**\n     * A cache of computed selector validity.\n     */\n    Private.validityCache = Object.create(null);\n    /**\n     * An empty element for testing selector validity.\n     */\n    Private.testElem = document.createElement('div');\n    /**\n     * A cross-browser CSS selector matching prototype function.\n     */\n    Private.protoMatchFunc = (function () {\n        var proto = Element.prototype;\n        return (proto.matches ||\n            proto.matchesSelector ||\n            proto.mozMatchesSelector ||\n            proto.msMatchesSelector ||\n            proto.oMatchesSelector ||\n            proto.webkitMatchesSelector ||\n            (function (selector) {\n                var elem = this;\n                var matches = elem.ownerDocument ? elem.ownerDocument.querySelectorAll(selector) : [];\n                return Array.prototype.indexOf.call(matches, elem) !== -1;\n            }));\n    })();\n    /**\n     * Calculate the specificity of a single selector.\n     *\n     * The behavior is undefined if the selector is invalid.\n     */\n    function calculateSingle(selector) {\n        // Ignore anything after the first comma.\n        selector = selector.split(',', 1)[0];\n        // Setup the aggregate counters.\n        var a = 0;\n        var b = 0;\n        var c = 0;\n        // Apply a regex to the front of the selector. If it succeeds, that\n        // portion of the selector is removed. Returns a success/fail flag.\n        function match(re) {\n            var match = selector.match(re);\n            if (match === null) {\n                return false;\n            }\n            selector = selector.slice(match[0].length);\n            return true;\n        }\n        // Replace the negation pseudo-class (which is ignored),\n        // but keep its inner content (which is not ignored).\n        selector = selector.replace(NEGATION_RE, ' $1 ');\n        // Continue matching until the selector is consumed.\n        while (selector.length > 0) {\n            // Match an ID selector.\n            if (match(ID_RE)) {\n                a++;\n                continue;\n            }\n            // Match a class selector.\n            if (match(CLASS_RE)) {\n                b++;\n                continue;\n            }\n            // Match an attribute selector.\n            if (match(ATTR_RE)) {\n                b++;\n                continue;\n            }\n            // Match a pseudo-element selector. This is done before matching\n            // a pseudo-class since this regex overlaps with that regex.\n            if (match(PSEUDO_ELEM_RE)) {\n                c++;\n                continue;\n            }\n            // Match a pseudo-class selector.\n            if (match(PSEDUO_CLASS_RE)) {\n                b++;\n                continue;\n            }\n            // Match a plain type selector.\n            if (match(TYPE_RE)) {\n                c++;\n                continue;\n            }\n            // Finally, match any ignored characters.\n            if (match(IGNORE_RE)) {\n                continue;\n            }\n            // At this point, the selector is assumed to be invalid.\n            return 0;\n        }\n        // Clamp each component to a reasonable base.\n        a = Math.min(a, 0xFF);\n        b = Math.min(b, 0xFF);\n        c = Math.min(c, 0xFF);\n        // Combine the components into a single result.\n        return (a << 16) | (b << 8) | c;\n    }\n    Private.calculateSingle = calculateSingle;\n    /**\n     * A regex which matches an ID selector at string start.\n     */\n    var ID_RE = /^#[^\\s\\+>~#\\.\\[:]+/;\n    /**\n     * A regex which matches a class selector at string start.\n     */\n    var CLASS_RE = /^\\.[^\\s\\+>~#\\.\\[:]+/;\n    /**\n     * A regex which matches an attribute selector at string start.\n     */\n    var ATTR_RE = /^\\[[^\\]]+\\]/;\n    /**\n     * A regex which matches a type selector at string start.\n     */\n    var TYPE_RE = /^[^\\s\\+>~#\\.\\[:]+/;\n    /**\n     * A regex which matches a pseudo-element selector at string start.\n     */\n    var PSEUDO_ELEM_RE = /^(::[^\\s\\+>~#\\.\\[:]+|:first-line|:first-letter|:before|:after)/;\n    /**\n     * A regex which matches a pseudo-class selector at string start.\n     */\n    var PSEDUO_CLASS_RE = /^:[^\\s\\+>~#\\.\\[:]+/;\n    /**\n     * A regex which matches ignored characters at string start.\n     */\n    var IGNORE_RE = /^[\\s\\+>~\\*]+/;\n    /**\n     * A regex which matches the negation pseudo-class globally.\n     */\n    var NEGATION_RE = /:not\\(([^\\)]+)\\)/g;\n})(Private || (Private = {}));\n\n\n//# sourceMappingURL=index.es6.js.map\n\n\n//# sourceURL=webpack://_JUPYTERLAB.CORE_OUTPUT/../node_modules/@lumino/domutils/dist/index.es6.js?");

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