/******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) { /******/ return installedModules[moduleId].exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ i: moduleId, /******/ l: false, /******/ exports: {} /******/ }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); /******/ /******/ // Flag the module as loaded /******/ module.l = true; /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /******/ /******/ // expose the modules object (__webpack_modules__) /******/ __webpack_require__.m = modules; /******/ /******/ // expose the module cache /******/ __webpack_require__.c = installedModules; /******/ /******/ // define getter function for harmony exports /******/ __webpack_require__.d = function(exports, name, getter) { /******/ if(!__webpack_require__.o(exports, name)) { /******/ Object.defineProperty(exports, name, { /******/ configurable: false, /******/ enumerable: true, /******/ get: getter /******/ }); /******/ } /******/ }; /******/ /******/ // define __esModule on exports /******/ __webpack_require__.r = function(exports) { /******/ Object.defineProperty(exports, '__esModule', { value: true }); /******/ }; /******/ /******/ // getDefaultExport function for compatibility with non-harmony modules /******/ __webpack_require__.n = function(module) { /******/ var getter = module && module.__esModule ? /******/ function getDefault() { return module['default']; } : /******/ function getModuleExports() { return module; }; /******/ __webpack_require__.d(getter, 'a', getter); /******/ return getter; /******/ }; /******/ /******/ // Object.prototype.hasOwnProperty.call /******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; /******/ /******/ // __webpack_public_path__ /******/ __webpack_require__.p = ""; /******/ /******/ /******/ // Load entry module and return exports /******/ return __webpack_require__(__webpack_require__.s = "./preview-src/index.ts"); /******/ }) /************************************************************************/ /******/ ({ /***/ "./node_modules/lodash.throttle/index.js": /*!***********************************************!*\ !*** ./node_modules/lodash.throttle/index.js ***! \***********************************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { /* WEBPACK VAR INJECTION */(function(global) {/** * lodash (Custom Build) * Build: `lodash modularize exports="npm" -o ./` * Copyright jQuery Foundation and other contributors * Released under Source EULA * Based on Underscore.js 1.8.3 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors */ /** Used as the `TypeError` message for "Functions" methods. */ var FUNC_ERROR_TEXT = 'Expected a function'; /** Used as references for various `Number` constants. */ var NAN = 0 / 0; /** `Object#toString` result references. */ var symbolTag = '[object Symbol]'; /** Used to match leading and trailing whitespace. */ var reTrim = /^\s+|\s+$/g; /** Used to detect bad signed hexadecimal string values. */ var reIsBadHex = /^[-+]0x[0-9a-f]+$/i; /** Used to detect binary string values. */ var reIsBinary = /^0b[01]+$/i; /** Used to detect octal string values. */ var reIsOctal = /^0o[0-7]+$/i; /** Built-in method references without a dependency on `root`. */ var freeParseInt = parseInt; /** Detect free variable `global` from Node.js. */ var freeGlobal = typeof global == 'object' && global && global.Object === Object && global; /** Detect free variable `self`. */ var freeSelf = typeof self == 'object' && self && self.Object === Object && self; /** Used as a reference to the global object. */ var root = freeGlobal || freeSelf || Function('return this')(); /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) * of values. */ var objectToString = objectProto.toString; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeMax = Math.max, nativeMin = Math.min; /** * Gets the timestamp of the number of milliseconds that have elapsed since * the Unix epoch (1 January 1970 00:00:00 UTC). * * @static * @memberOf _ * @since 2.4.0 * @category Date * @returns {number} Returns the timestamp. * @example * * _.defer(function(stamp) { * console.log(_.now() - stamp); * }, _.now()); * // => Logs the number of milliseconds it took for the deferred invocation. */ var now = function() { return root.Date.now(); }; /** * Creates a debounced function that delays invoking `func` until after `wait` * milliseconds have elapsed since the last time the debounced function was * invoked. The debounced function comes with a `cancel` method to cancel * delayed `func` invocations and a `flush` method to immediately invoke them. * Provide `options` to indicate whether `func` should be invoked on the * leading and/or trailing edge of the `wait` timeout. The `func` is invoked * with the last arguments provided to the debounced function. Subsequent * calls to the debounced function return the result of the last `func` * invocation. * * **Note:** If `leading` and `trailing` options are `true`, `func` is * invoked on the trailing edge of the timeout only if the debounced function * is invoked more than once during the `wait` timeout. * * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred * until to the next tick, similar to `setTimeout` with a timeout of `0`. * * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) * for details over the differences between `_.debounce` and `_.throttle`. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to debounce. * @param {number} [wait=0] The number of milliseconds to delay. * @param {Object} [options={}] The options object. * @param {boolean} [options.leading=false] * Specify invoking on the leading edge of the timeout. * @param {number} [options.maxWait] * The maximum time `func` is allowed to be delayed before it's invoked. * @param {boolean} [options.trailing=true] * Specify invoking on the trailing edge of the timeout. * @returns {Function} Returns the new debounced function. * @example * * // Avoid costly calculations while the window size is in flux. * jQuery(window).on('resize', _.debounce(calculateLayout, 150)); * * // Invoke `sendMail` when clicked, debouncing subsequent calls. * jQuery(element).on('click', _.debounce(sendMail, 300, { * 'leading': true, * 'trailing': false * })); * * // Ensure `batchLog` is invoked once after 1 second of debounced calls. * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 }); * var source = new EventSource('/stream'); * jQuery(source).on('message', debounced); * * // Cancel the trailing debounced invocation. * jQuery(window).on('popstate', debounced.cancel); */ function debounce(func, wait, options) { var lastArgs, lastThis, maxWait, result, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } wait = toNumber(wait) || 0; if (isObject(options)) { leading = !!options.leading; maxing = 'maxWait' in options; maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait; trailing = 'trailing' in options ? !!options.trailing : trailing; } function invokeFunc(time) { var args = lastArgs, thisArg = lastThis; lastArgs = lastThis = undefined; lastInvokeTime = time; result = func.apply(thisArg, args); return result; } function leadingEdge(time) { // Reset any `maxWait` timer. lastInvokeTime = time; // Start the timer for the trailing edge. timerId = setTimeout(timerExpired, wait); // Invoke the leading edge. return leading ? invokeFunc(time) : result; } function remainingWait(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, result = wait - timeSinceLastCall; return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result; } function shouldInvoke(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime; // Either this is the first call, activity has stopped and we're at the // trailing edge, the system time has gone backwards and we're treating // it as the trailing edge, or we've hit the `maxWait` limit. return (lastCallTime === undefined || (timeSinceLastCall >= wait) || (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait)); } function timerExpired() { var time = now(); if (shouldInvoke(time)) { return trailingEdge(time); } // Restart the timer. timerId = setTimeout(timerExpired, remainingWait(time)); } function trailingEdge(time) { timerId = undefined; // Only invoke if we have `lastArgs` which means `func` has been // debounced at least once. if (trailing && lastArgs) { return invokeFunc(time); } lastArgs = lastThis = undefined; return result; } function cancel() { if (timerId !== undefined) { clearTimeout(timerId); } lastInvokeTime = 0; lastArgs = lastCallTime = lastThis = timerId = undefined; } function flush() { return timerId === undefined ? result : trailingEdge(now()); } function debounced() { var time = now(), isInvoking = shouldInvoke(time); lastArgs = arguments; lastThis = this; lastCallTime = time; if (isInvoking) { if (timerId === undefined) { return leadingEdge(lastCallTime); } if (maxing) { // Handle invocations in a tight loop. timerId = setTimeout(timerExpired, wait); return invokeFunc(lastCallTime); } } if (timerId === undefined) { timerId = setTimeout(timerExpired, wait); } return result; } debounced.cancel = cancel; debounced.flush = flush; return debounced; } /** * Creates a throttled function that only invokes `func` at most once per * every `wait` milliseconds. The throttled function comes with a `cancel` * method to cancel delayed `func` invocations and a `flush` method to * immediately invoke them. Provide `options` to indicate whether `func` * should be invoked on the leading and/or trailing edge of the `wait` * timeout. The `func` is invoked with the last arguments provided to the * throttled function. Subsequent calls to the throttled function return the * result of the last `func` invocation. * * **Note:** If `leading` and `trailing` options are `true`, `func` is * invoked on the trailing edge of the timeout only if the throttled function * is invoked more than once during the `wait` timeout. * * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred * until to the next tick, similar to `setTimeout` with a timeout of `0`. * * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) * for details over the differences between `_.throttle` and `_.debounce`. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to throttle. * @param {number} [wait=0] The number of milliseconds to throttle invocations to. * @param {Object} [options={}] The options object. * @param {boolean} [options.leading=true] * Specify invoking on the leading edge of the timeout. * @param {boolean} [options.trailing=true] * Specify invoking on the trailing edge of the timeout. * @returns {Function} Returns the new throttled function. * @example * * // Avoid excessively updating the position while scrolling. * jQuery(window).on('scroll', _.throttle(updatePosition, 100)); * * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes. * var throttled = _.throttle(renewToken, 300000, { 'trailing': false }); * jQuery(element).on('click', throttled); * * // Cancel the trailing throttled invocation. * jQuery(window).on('popstate', throttled.cancel); */ function throttle(func, wait, options) { var leading = true, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (isObject(options)) { leading = 'leading' in options ? !!options.leading : leading; trailing = 'trailing' in options ? !!options.trailing : trailing; } return debounce(func, wait, { 'leading': leading, 'maxWait': wait, 'trailing': trailing }); } /** * Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return !!value && (type == 'object' || type == 'function'); } /** * Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. * @example * * _.isObjectLike({}); * // => true * * _.isObjectLike([1, 2, 3]); * // => true * * _.isObjectLike(_.noop); * // => false * * _.isObjectLike(null); * // => false */ function isObjectLike(value) { return !!value && typeof value == 'object'; } /** * Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && objectToString.call(value) == symbolTag); } /** * Converts `value` to a number. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to process. * @returns {number} Returns the number. * @example * * _.toNumber(3.2); * // => 3.2 * * _.toNumber(Number.MIN_VALUE); * // => 5e-324 * * _.toNumber(Infinity); * // => Infinity * * _.toNumber('3.2'); * // => 3.2 */ function toNumber(value) { if (typeof value == 'number') { return value; } if (isSymbol(value)) { return NAN; } if (isObject(value)) { var other = typeof value.valueOf == 'function' ? value.valueOf() : value; value = isObject(other) ? (other + '') : other; } if (typeof value != 'string') { return value === 0 ? value : +value; } value = value.replace(reTrim, ''); var isBinary = reIsBinary.test(value); return (isBinary || reIsOctal.test(value)) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : (reIsBadHex.test(value) ? NAN : +value); } module.exports = throttle; /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js"))) /***/ }), /***/ "./node_modules/webpack/buildin/global.js": /*!***********************************!*\ !*** (webpack)/buildin/global.js ***! \***********************************/ /*! no static exports found */ /***/ (function(module, exports) { var g; // This works in non-strict mode g = (function() { return this; })(); try { // This works if eval is allowed (see CSP) g = g || Function("return this")() || (1, eval)("this"); } catch (e) { // This works if the window reference is available if (typeof window === "object") g = window; } // g can still be undefined, but nothing to do about it... // We return undefined, instead of nothing here, so it's // easier to handle this case. if(!global) { ...} module.exports = g; /***/ }), /***/ "./preview-src/activeLineMarker.ts": /*!*****************************************!*\ !*** ./preview-src/activeLineMarker.ts ***! \*****************************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ const scroll_sync_1 = __webpack_require__(/*! ./scroll-sync */ "./preview-src/scroll-sync.ts"); class ActiveLineMarker { onDidChangeTextEditorSelection(line) { const { previous } = scroll_sync_1.getElementsForSourceLine(line); this._update(previous && previous.element); } _update(before) { this._unmarkActiveElement(this._current); this._markActiveElement(before); this._current = before; } _unmarkActiveElement(element) { if (!element) { return; } element.className = element.className.replace(/\bcode-active-line\b/g, ''); } _markActiveElement(element) { if (!element) { return; } element.className += ' code-active-line'; } } exports.ActiveLineMarker = ActiveLineMarker; /***/ }), /***/ "./preview-src/events.ts": /*!*******************************!*\ !*** ./preview-src/events.ts ***! \*******************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ Object.defineProperty(exports, "__esModule", { value: true }); function onceDocumentLoaded(f) { if (document.readyState === 'loading' || document.readyState === 'uninitialized') { document.addEventListener('DOMContentLoaded', f); } else { f(); } } exports.onceDocumentLoaded = onceDocumentLoaded; /***/ }), /***/ "./preview-src/index.ts": /*!******************************!*\ !*** ./preview-src/index.ts ***! \******************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ Object.defineProperty(exports, "__esModule", { value: true }); const activeLineMarker_1 = __webpack_require__(/*! ./activeLineMarker */ "./preview-src/activeLineMarker.ts"); const events_1 = __webpack_require__(/*! ./events */ "./preview-src/events.ts"); const messaging_1 = __webpack_require__(/*! ./messaging */ "./preview-src/messaging.ts"); const scroll_sync_1 = __webpack_require__(/*! ./scroll-sync */ "./preview-src/scroll-sync.ts"); const settings_1 = __webpack_require__(/*! ./settings */ "./preview-src/settings.ts"); const throttle = __webpack_require__(/*! lodash.throttle */ "./node_modules/lodash.throttle/index.js"); let scrollDisabled = true; const marker = new activeLineMarker_1.ActiveLineMarker(); const settings = settings_1.getSettings(); const vscode = acquireVsCodeApi(); // Set VS Code state let state = settings_1.getData('data-state'); vscode.setState(state); const messaging = messaging_1.createPosterForVsCode(vscode); window.cspAlerter.setPoster(messaging); window.styleLoadingMonitor.setPoster(messaging); window.onload = () => { updateImageSizes(); }; events_1.onceDocumentLoaded(() => { if (settings.scrollPreviewWithEditor) { setTimeout(() => { // Try to scroll to fragment if available if (state.fragment) { const element = scroll_sync_1.getLineElementForFragment(state.fragment); if (element) { scrollDisabled = true; scroll_sync_1.scrollToRevealSourceLine(element.line); } } else { const initialLine = +settings.line; if (!isNaN(initialLine)) { scrollDisabled = true; scroll_sync_1.scrollToRevealSourceLine(initialLine); } } }, 0); } }); const onUpdateView = (() => { const doScroll = throttle((line) => { scrollDisabled = true; scroll_sync_1.scrollToRevealSourceLine(line); }, 50); return (line, settings) => { if (!isNaN(line)) { settings.line = line; doScroll(line); } }; })(); let updateImageSizes = throttle(() => { const imageInfo = []; let images = document.getElementsByTagName('img'); if (images) { let i; for (i = 0; i < images.length; i++) { const img = images[i]; if (img.classList.contains('loading')) { img.classList.remove('loading'); } imageInfo.push({ id: img.id, height: img.height, width: img.width }); } messaging.postMessage('cacheImageSizes', imageInfo); } }, 50); window.addEventListener('resize', () => { scrollDisabled = true; updateImageSizes(); }, true); window.addEventListener('message', event => { if (event.data.source !== settings.source) { return; } switch (event.data.type) { case 'onDidChangeTextEditorSelection': marker.onDidChangeTextEditorSelection(event.data.line); break; case 'updateView': onUpdateView(event.data.line, settings); break; } }, false); document.addEventListener('dblclick', event => { if (!settings.doubleClickToSwitchToEditor) { return; } // Ignore clicks on links for (let node = event.target; node; node = node.parentNode) { if (node.tagName === 'A') { return; } } const offset = event.pageY; const line = scroll_sync_1.getEditorLineNumberForPageOffset(offset); if (typeof line === 'number' && !isNaN(line)) { messaging.postMessage('didClick', { line: Math.floor(line) }); } }); document.addEventListener('click', event => { if (!event) { return; } let node = event.target; while (node) { if (node.tagName && node.tagName === 'A' && node.href) { if (node.getAttribute('href').startsWith('#')) { break; } if (node.href.startsWith('file://') || node.href.startsWith('vscode-resource:') || node.href.startsWith(settings.webviewResourceRoot)) { const [path, fragment] = node.href.replace(/^(file:\/\/|vscode-resource:)/i, '').replace(new RegExp(`^${escapeRegExp(settings.webviewResourceRoot)}`)).split('#'); messaging.postMessage('clickLink', { path, fragment }); event.preventDefault(); event.stopPropagation(); break; } break; } node = node.parentNode; } }, true); if (settings.scrollEditorWithPreview) { window.addEventListener('scroll', throttle(() => { if (scrollDisabled) { scrollDisabled = false; } else { const line = scroll_sync_1.getEditorLineNumberForPageOffset(window.scrollY); if (typeof line === 'number' && !isNaN(line)) { messaging.postMessage('revealLine', { line }); state.line = line; vscode.setState(state); } } }, 50)); } function escapeRegExp(text) { return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&'); } /***/ }), /***/ "./preview-src/messaging.ts": /*!**********************************!*\ !*** ./preview-src/messaging.ts ***! \**********************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ Object.defineProperty(exports, "__esModule", { value: true }); const settings_1 = __webpack_require__(/*! ./settings */ "./preview-src/settings.ts"); exports.createPosterForVsCode = (vscode) => { return new class { postMessage(type, body) { vscode.postMessage({ type, source: settings_1.getSettings().source, body }); } }; }; /***/ }), /***/ "./preview-src/scroll-sync.ts": /*!************************************!*\ !*** ./preview-src/scroll-sync.ts ***! \************************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ Object.defineProperty(exports, "__esModule", { value: true }); const settings_1 = __webpack_require__(/*! ./settings */ "./preview-src/settings.ts"); function clamp(min, max, value) { return Math.min(max, Math.max(min, value)); } function clampLine(line) { return clamp(0, settings_1.getSettings().lineCount - 1, line); } const getCodeLineElements = (() => { let elements; return () => { if (!elements) { elements = [{ element: document.body, line: 0 }]; for (const element of document.getElementsByClassName('code-line')) { const line = +element.getAttribute('data-line'); if (!isNaN(line)) { elements.push({ element: element, line }); } } } return elements; }; })(); /** * Find the html elements that map to a specific target line in the editor. * * If an exact match, returns a single element. If the line is between elements, * returns the element prior to and the element after the given line. */ function getElementsForSourceLine(targetLine) { const lineNumber = Math.floor(targetLine); const lines = getCodeLineElements(); let previous = lines[0] || null; for (const entry of lines) { if (entry.line === lineNumber) { return { previous: entry, next: undefined }; } else if (entry.line > lineNumber) { return { previous, next: entry }; } previous = entry; } return { previous }; } exports.getElementsForSourceLine = getElementsForSourceLine; /** * Find the html elements that are at a specific pixel offset on the page. */ function getLineElementsAtPageOffset(offset) { const lines = getCodeLineElements(); const position = offset - window.scrollY; let lo = -1; let hi = lines.length - 1; while (lo + 1 < hi) { const mid = Math.floor((lo + hi) / 2); const bounds = lines[mid].element.getBoundingClientRect(); if (bounds.top + bounds.height >= position) { hi = mid; } else { lo = mid; } } const hiElement = lines[hi]; const hiBounds = hiElement.element.getBoundingClientRect(); if (hi >= 1 && hiBounds.top > position) { const loElement = lines[lo]; return { previous: loElement, next: hiElement }; } return { previous: hiElement }; } exports.getLineElementsAtPageOffset = getLineElementsAtPageOffset; /** * Attempt to reveal the element for a source line in the editor. */ function scrollToRevealSourceLine(line) { if (!settings_1.getSettings().scrollPreviewWithEditor) { return; } if (line <= 0) { window.scroll(window.scrollX, 0); return; } const { previous, next } = getElementsForSourceLine(line); if (!previous) { return; } let scrollTo = 0; const rect = previous.element.getBoundingClientRect(); const previousTop = rect.top; if (next && next.line !== previous.line) { // Between two elements. Go to percentage offset between them. const betweenProgress = (line - previous.line) / (next.line - previous.line); const elementOffset = next.element.getBoundingClientRect().top - previousTop; scrollTo = previousTop + betweenProgress * elementOffset; } else { const progressInElement = line - Math.floor(line); scrollTo = previousTop + (rect.height * progressInElement); } window.scroll(window.scrollX, Math.max(1, window.scrollY + scrollTo)); } exports.scrollToRevealSourceLine = scrollToRevealSourceLine; function getEditorLineNumberForPageOffset(offset) { const { previous, next } = getLineElementsAtPageOffset(offset); if (previous) { const previousBounds = previous.element.getBoundingClientRect(); const offsetFromPrevious = (offset - window.scrollY - previousBounds.top); if (next) { const progressBetweenElements = offsetFromPrevious / (next.element.getBoundingClientRect().top - previousBounds.top); const line = previous.line + progressBetweenElements * (next.line - previous.line); return clampLine(line); } else { const progressWithinElement = offsetFromPrevious / (previousBounds.height); const line = previous.line + progressWithinElement; return clampLine(line); } } return null; } exports.getEditorLineNumberForPageOffset = getEditorLineNumberForPageOffset; /** * Try to find the html element by using a fragment id */ function getLineElementForFragment(fragment) { return getCodeLineElements().find((element) => { return element.element.id === fragment; }); } exports.getLineElementForFragment = getLineElementForFragment; /***/ }), /***/ "./preview-src/settings.ts": /*!*********************************!*\ !*** ./preview-src/settings.ts ***! \*********************************/ /*! no static exports found */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /*--------------------------------------------------------------------------------------------- * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the Source EULA. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ Object.defineProperty(exports, "__esModule", { value: true }); let cachedSettings = undefined; function getData(key) { const element = document.getElementById('vscode-markdown-preview-data'); if (element) { const data = element.getAttribute(key); if (data) { return JSON.parse(data); } } throw new Error(`Could not load data for ${key}`); } exports.getData = getData; function getSettings() { if (cachedSettings) { return cachedSettings; } cachedSettings = getData('data-settings'); if (cachedSettings) { return cachedSettings; } throw new Error('Could not load settings'); } exports.getSettings = getSettings; /***/ }) /******/ }); //# 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Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n *  Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n *  Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\nfunction throttle(func, wait, options) {\n  var leading = true,\n      trailing = true;\n\n  if (typeof func != 'function') {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  if (isObject(options)) {\n    leading = 'leading' in options ? !!options.leading : leading;\n    trailing = 'trailing' in options ? !!options.trailing : trailing;\n  }\n  return debounce(func, wait, {\n    'leading': leading,\n    'maxWait': wait,\n    'trailing': trailing\n  });\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return !!value && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n  return typeof value == 'symbol' ||\n    (isObjectLike(value) && objectToString.call(value) == symbolTag);\n}\n\n/**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\nfunction toNumber(value) {\n  if (typeof value == 'number') {\n    return value;\n  }\n  if (isSymbol(value)) {\n    return NAN;\n  }\n  if (isObject(value)) {\n    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n    value = isObject(other) ? (other + '') : other;\n  }\n  if (typeof value != 'string') {\n    return value === 0 ? value : +value;\n  }\n  value = value.replace(reTrim, '');\n  var isBinary = reIsBinary.test(value);\n  return (isBinary || reIsOctal.test(value))\n    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n    : (reIsBadHex.test(value) ? NAN : +value);\n}\n\nmodule.exports = throttle;\n","var g;\r\n\r\n// This works in non-strict mode\r\ng = (function() {\r\n\treturn this;\r\n})();\r\n\r\ntry {\r\n\t// This works if eval is allowed (see CSP)\r\n\tg = g || Function(\"return this\")() || (1, eval)(\"this\");\r\n} catch (e) {\r\n\t// This works if the window reference is available\r\n\tif (typeof window === \"object\") g = window;\r\n}\r\n\r\n// g can still be undefined, but nothing to do about it...\r\n// We return undefined, instead of nothing here, so it's\r\n// easier to handle this case. if(!global) { ...}\r\n\r\nmodule.exports = g;\r\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nconst scroll_sync_1 = require(\"./scroll-sync\");\nclass ActiveLineMarker {\n    onDidChangeTextEditorSelection(line) {\n        const { previous } = scroll_sync_1.getElementsForSourceLine(line);\n        this._update(previous && previous.element);\n    }\n    _update(before) {\n        this._unmarkActiveElement(this._current);\n        this._markActiveElement(before);\n        this._current = before;\n    }\n    _unmarkActiveElement(element) {\n        if (!element) {\n            return;\n        }\n        element.className = element.className.replace(/\\bcode-active-line\\b/g, '');\n    }\n    _markActiveElement(element) {\n        if (!element) {\n            return;\n        }\n        element.className += ' code-active-line';\n    }\n}\nexports.ActiveLineMarker = ActiveLineMarker;\n","\"use strict\";\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nObject.defineProperty(exports, \"__esModule\", { value: true });\nfunction onceDocumentLoaded(f) {\n    if (document.readyState === 'loading' || document.readyState === 'uninitialized') {\n        document.addEventListener('DOMContentLoaded', f);\n    }\n    else {\n        f();\n    }\n}\nexports.onceDocumentLoaded = onceDocumentLoaded;\n","\"use strict\";\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst activeLineMarker_1 = require(\"./activeLineMarker\");\nconst events_1 = require(\"./events\");\nconst messaging_1 = require(\"./messaging\");\nconst scroll_sync_1 = require(\"./scroll-sync\");\nconst settings_1 = require(\"./settings\");\nconst throttle = require(\"lodash.throttle\");\nlet scrollDisabled = true;\nconst marker = new activeLineMarker_1.ActiveLineMarker();\nconst settings = settings_1.getSettings();\nconst vscode = acquireVsCodeApi();\n// Set VS Code state\nlet state = settings_1.getData('data-state');\nvscode.setState(state);\nconst messaging = messaging_1.createPosterForVsCode(vscode);\nwindow.cspAlerter.setPoster(messaging);\nwindow.styleLoadingMonitor.setPoster(messaging);\nwindow.onload = () => {\n    updateImageSizes();\n};\nevents_1.onceDocumentLoaded(() => {\n    if (settings.scrollPreviewWithEditor) {\n        setTimeout(() => {\n            // Try to scroll to fragment if available\n            if (state.fragment) {\n                const element = scroll_sync_1.getLineElementForFragment(state.fragment);\n                if (element) {\n                    scrollDisabled = true;\n                    scroll_sync_1.scrollToRevealSourceLine(element.line);\n                }\n            }\n            else {\n                const initialLine = +settings.line;\n                if (!isNaN(initialLine)) {\n                    scrollDisabled = true;\n                    scroll_sync_1.scrollToRevealSourceLine(initialLine);\n                }\n            }\n        }, 0);\n    }\n});\nconst onUpdateView = (() => {\n    const doScroll = throttle((line) => {\n        scrollDisabled = true;\n        scroll_sync_1.scrollToRevealSourceLine(line);\n    }, 50);\n    return (line, settings) => {\n        if (!isNaN(line)) {\n            settings.line = line;\n            doScroll(line);\n        }\n    };\n})();\nlet updateImageSizes = throttle(() => {\n    const imageInfo = [];\n    let images = document.getElementsByTagName('img');\n    if (images) {\n        let i;\n        for (i = 0; i < images.length; i++) {\n            const img = images[i];\n            if (img.classList.contains('loading')) {\n                img.classList.remove('loading');\n            }\n            imageInfo.push({\n                id: img.id,\n                height: img.height,\n                width: img.width\n            });\n        }\n        messaging.postMessage('cacheImageSizes', imageInfo);\n    }\n}, 50);\nwindow.addEventListener('resize', () => {\n    scrollDisabled = true;\n    updateImageSizes();\n}, true);\nwindow.addEventListener('message', event => {\n    if (event.data.source !== settings.source) {\n        return;\n    }\n    switch (event.data.type) {\n        case 'onDidChangeTextEditorSelection':\n            marker.onDidChangeTextEditorSelection(event.data.line);\n            break;\n        case 'updateView':\n            onUpdateView(event.data.line, settings);\n            break;\n    }\n}, false);\ndocument.addEventListener('dblclick', event => {\n    if (!settings.doubleClickToSwitchToEditor) {\n        return;\n    }\n    // Ignore clicks on links\n    for (let node = event.target; node; node = node.parentNode) {\n        if (node.tagName === 'A') {\n            return;\n        }\n    }\n    const offset = event.pageY;\n    const line = scroll_sync_1.getEditorLineNumberForPageOffset(offset);\n    if (typeof line === 'number' && !isNaN(line)) {\n        messaging.postMessage('didClick', { line: Math.floor(line) });\n    }\n});\ndocument.addEventListener('click', event => {\n    if (!event) {\n        return;\n    }\n    let node = event.target;\n    while (node) {\n        if (node.tagName && node.tagName === 'A' && node.href) {\n            if (node.getAttribute('href').startsWith('#')) {\n                break;\n            }\n            if (node.href.startsWith('file://') || node.href.startsWith('vscode-resource:') || node.href.startsWith(settings.webviewResourceRoot)) {\n                const [path, fragment] = node.href.replace(/^(file:\\/\\/|vscode-resource:)/i, '').replace(new RegExp(`^${escapeRegExp(settings.webviewResourceRoot)}`)).split('#');\n                messaging.postMessage('clickLink', { path, fragment });\n                event.preventDefault();\n                event.stopPropagation();\n                break;\n            }\n            break;\n        }\n        node = node.parentNode;\n    }\n}, true);\nif (settings.scrollEditorWithPreview) {\n    window.addEventListener('scroll', throttle(() => {\n        if (scrollDisabled) {\n            scrollDisabled = false;\n        }\n        else {\n            const line = scroll_sync_1.getEditorLineNumberForPageOffset(window.scrollY);\n            if (typeof line === 'number' && !isNaN(line)) {\n                messaging.postMessage('revealLine', { line });\n                state.line = line;\n                vscode.setState(state);\n            }\n        }\n    }, 50));\n}\nfunction escapeRegExp(text) {\n    return text.replace(/[-[\\]{}()*+?.,\\\\^$|#\\s]/g, '\\\\$&');\n}\n","\"use strict\";\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst settings_1 = require(\"./settings\");\nexports.createPosterForVsCode = (vscode) => {\n    return new class {\n        postMessage(type, body) {\n            vscode.postMessage({\n                type,\n                source: settings_1.getSettings().source,\n                body\n            });\n        }\n    };\n};\n","\"use strict\";\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst settings_1 = require(\"./settings\");\nfunction clamp(min, max, value) {\n    return Math.min(max, Math.max(min, value));\n}\nfunction clampLine(line) {\n    return clamp(0, settings_1.getSettings().lineCount - 1, line);\n}\nconst getCodeLineElements = (() => {\n    let elements;\n    return () => {\n        if (!elements) {\n            elements = [{ element: document.body, line: 0 }];\n            for (const element of document.getElementsByClassName('code-line')) {\n                const line = +element.getAttribute('data-line');\n                if (!isNaN(line)) {\n                    elements.push({ element: element, line });\n                }\n            }\n        }\n        return elements;\n    };\n})();\n/**\n * Find the html elements that map to a specific target line in the editor.\n *\n * If an exact match, returns a single element. If the line is between elements,\n * returns the element prior to and the element after the given line.\n */\nfunction getElementsForSourceLine(targetLine) {\n    const lineNumber = Math.floor(targetLine);\n    const lines = getCodeLineElements();\n    let previous = lines[0] || null;\n    for (const entry of lines) {\n        if (entry.line === lineNumber) {\n            return { previous: entry, next: undefined };\n        }\n        else if (entry.line > lineNumber) {\n            return { previous, next: entry };\n        }\n        previous = entry;\n    }\n    return { previous };\n}\nexports.getElementsForSourceLine = getElementsForSourceLine;\n/**\n * Find the html elements that are at a specific pixel offset on the page.\n */\nfunction getLineElementsAtPageOffset(offset) {\n    const lines = getCodeLineElements();\n    const position = offset - window.scrollY;\n    let lo = -1;\n    let hi = lines.length - 1;\n    while (lo + 1 < hi) {\n        const mid = Math.floor((lo + hi) / 2);\n        const bounds = lines[mid].element.getBoundingClientRect();\n        if (bounds.top + bounds.height >= position) {\n            hi = mid;\n        }\n        else {\n            lo = mid;\n        }\n    }\n    const hiElement = lines[hi];\n    const hiBounds = hiElement.element.getBoundingClientRect();\n    if (hi >= 1 && hiBounds.top > position) {\n        const loElement = lines[lo];\n        return { previous: loElement, next: hiElement };\n    }\n    return { previous: hiElement };\n}\nexports.getLineElementsAtPageOffset = getLineElementsAtPageOffset;\n/**\n * Attempt to reveal the element for a source line in the editor.\n */\nfunction scrollToRevealSourceLine(line) {\n    if (!settings_1.getSettings().scrollPreviewWithEditor) {\n        return;\n    }\n    if (line <= 0) {\n        window.scroll(window.scrollX, 0);\n        return;\n    }\n    const { previous, next } = getElementsForSourceLine(line);\n    if (!previous) {\n        return;\n    }\n    let scrollTo = 0;\n    const rect = previous.element.getBoundingClientRect();\n    const previousTop = rect.top;\n    if (next && next.line !== previous.line) {\n        // Between two elements. Go to percentage offset between them.\n        const betweenProgress = (line - previous.line) / (next.line - previous.line);\n        const elementOffset = next.element.getBoundingClientRect().top - previousTop;\n        scrollTo = previousTop + betweenProgress * elementOffset;\n    }\n    else {\n        const progressInElement = line - Math.floor(line);\n        scrollTo = previousTop + (rect.height * progressInElement);\n    }\n    window.scroll(window.scrollX, Math.max(1, window.scrollY + scrollTo));\n}\nexports.scrollToRevealSourceLine = scrollToRevealSourceLine;\nfunction getEditorLineNumberForPageOffset(offset) {\n    const { previous, next } = getLineElementsAtPageOffset(offset);\n    if (previous) {\n        const previousBounds = previous.element.getBoundingClientRect();\n        const offsetFromPrevious = (offset - window.scrollY - previousBounds.top);\n        if (next) {\n            const progressBetweenElements = offsetFromPrevious / (next.element.getBoundingClientRect().top - previousBounds.top);\n            const line = previous.line + progressBetweenElements * (next.line - previous.line);\n            return clampLine(line);\n        }\n        else {\n            const progressWithinElement = offsetFromPrevious / (previousBounds.height);\n            const line = previous.line + progressWithinElement;\n            return clampLine(line);\n        }\n    }\n    return null;\n}\nexports.getEditorLineNumberForPageOffset = getEditorLineNumberForPageOffset;\n/**\n * Try to find the html element by using a fragment id\n */\nfunction getLineElementForFragment(fragment) {\n    return getCodeLineElements().find((element) => {\n        return element.element.id === fragment;\n    });\n}\nexports.getLineElementForFragment = getLineElementForFragment;\n","\"use strict\";\n/*---------------------------------------------------------------------------------------------\n *  Copyright (c) Microsoft Corporation. All rights reserved.\n *  Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\nObject.defineProperty(exports, \"__esModule\", { value: true });\nlet cachedSettings = undefined;\nfunction getData(key) {\n    const element = document.getElementById('vscode-markdown-preview-data');\n    if (element) {\n        const data = element.getAttribute(key);\n        if (data) {\n            return JSON.parse(data);\n        }\n    }\n    throw new Error(`Could not load data for ${key}`);\n}\nexports.getData = getData;\nfunction getSettings() {\n    if (cachedSettings) {\n        return cachedSettings;\n    }\n    cachedSettings = getData('data-settings');\n    if (cachedSettings) {\n        return cachedSettings;\n    }\n    throw new Error('Could not load settings');\n}\nexports.getSettings = getSettings;\n"],"sourceRoot":""}