hcdbqbVue/node_modules/vite-plugin-inspect/dist/client/assets/diff.worker-CMaeQEBs.js

(function() {
	"use strict";
	/**
	* @license
	* Copyright 2019 Google LLC
	* SPDX-License-Identifier: Apache-2.0
	*/
	const proxyMarker = Symbol("Comlink.proxy");
	const createEndpoint = Symbol("Comlink.endpoint");
	const releaseProxy = Symbol("Comlink.releaseProxy");
	const finalizer = Symbol("Comlink.finalizer");
	const throwMarker = Symbol("Comlink.thrown");
	const isObject = (val) => typeof val === "object" && val !== null || typeof val === "function";
	/**
	* Internal transfer handle to handle objects marked to proxy.
	*/
	const proxyTransferHandler = {
		canHandle: (val) => isObject(val) && val[proxyMarker],
		serialize(obj) {
			const { port1, port2 } = new MessageChannel();
			expose(obj, port1);
			return [port2, [port2]];
		},
		deserialize(port) {
			port.start();
			return wrap(port);
		}
	};
	/**
	* Internal transfer handler to handle thrown exceptions.
	*/
	const throwTransferHandler = {
		canHandle: (value) => isObject(value) && throwMarker in value,
		serialize({ value }) {
			let serialized;
			if (value instanceof Error) serialized = {
				isError: true,
				value: {
					message: value.message,
					name: value.name,
					stack: value.stack
				}
			};
			else serialized = {
				isError: false,
				value
			};
			return [serialized, []];
		},
		deserialize(serialized) {
			if (serialized.isError) throw Object.assign(new Error(serialized.value.message), serialized.value);
			throw serialized.value;
		}
	};
	/**
	* Allows customizing the serialization of certain values.
	*/
	const transferHandlers = new Map([["proxy", proxyTransferHandler], ["throw", throwTransferHandler]]);
	function isAllowedOrigin(allowedOrigins, origin) {
		for (const allowedOrigin of allowedOrigins) {
			if (origin === allowedOrigin || allowedOrigin === "*") return true;
			if (allowedOrigin instanceof RegExp && allowedOrigin.test(origin)) return true;
		}
		return false;
	}
	function expose(obj, ep = globalThis, allowedOrigins = ["*"]) {
		ep.addEventListener("message", function callback(ev) {
			if (!ev || !ev.data) return;
			if (!isAllowedOrigin(allowedOrigins, ev.origin)) {
				console.warn(`Invalid origin '${ev.origin}' for comlink proxy`);
				return;
			}
			const { id, type, path } = Object.assign({ path: [] }, ev.data);
			const argumentList = (ev.data.argumentList || []).map(fromWireValue);
			let returnValue;
			try {
				const parent = path.slice(0, -1).reduce((obj$1, prop) => obj$1[prop], obj);
				const rawValue = path.reduce((obj$1, prop) => obj$1[prop], obj);
				switch (type) {
					case "GET":
						returnValue = rawValue;
						break;
					case "SET":
						{
							parent[path.slice(-1)[0]] = fromWireValue(ev.data.value);
							returnValue = true;
						}
						break;
					case "APPLY":
						returnValue = rawValue.apply(parent, argumentList);
						break;
					case "CONSTRUCT":
						{
							const value = new rawValue(...argumentList);
							returnValue = proxy(value);
						}
						break;
					case "ENDPOINT":
						{
							const { port1, port2 } = new MessageChannel();
							expose(obj, port2);
							returnValue = transfer(port1, [port1]);
						}
						break;
					case "RELEASE":
						returnValue = void 0;
						break;
					default: return;
				}
			} catch (value) {
				returnValue = {
					value,
					[throwMarker]: 0
				};
			}
			Promise.resolve(returnValue).catch((value) => {
				return {
					value,
					[throwMarker]: 0
				};
			}).then((returnValue$1) => {
				const [wireValue, transferables] = toWireValue(returnValue$1);
				ep.postMessage(Object.assign(Object.assign({}, wireValue), { id }), transferables);
				if (type === "RELEASE") {
					ep.removeEventListener("message", callback);
					closeEndPoint(ep);
					if (finalizer in obj && typeof obj[finalizer] === "function") obj[finalizer]();
				}
			}).catch((error) => {
				const [wireValue, transferables] = toWireValue({
					value: new TypeError("Unserializable return value"),
					[throwMarker]: 0
				});
				ep.postMessage(Object.assign(Object.assign({}, wireValue), { id }), transferables);
			});
		});
		if (ep.start) ep.start();
	}
	function isMessagePort(endpoint) {
		return endpoint.constructor.name === "MessagePort";
	}
	function closeEndPoint(endpoint) {
		if (isMessagePort(endpoint)) endpoint.close();
	}
	function wrap(ep, target) {
		const pendingListeners = new Map();
		ep.addEventListener("message", function handleMessage(ev) {
			const { data } = ev;
			if (!data || !data.id) return;
			const resolver = pendingListeners.get(data.id);
			if (!resolver) return;
			try {
				resolver(data);
			} finally {
				pendingListeners.delete(data.id);
			}
		});
		return createProxy(ep, pendingListeners, [], target);
	}
	function throwIfProxyReleased(isReleased) {
		if (isReleased) throw new Error("Proxy has been released and is not useable");
	}
	function releaseEndpoint(ep) {
		return requestResponseMessage(ep, new Map(), { type: "RELEASE" }).then(() => {
			closeEndPoint(ep);
		});
	}
	const proxyCounter = new WeakMap();
	const proxyFinalizers = "FinalizationRegistry" in globalThis && new FinalizationRegistry((ep) => {
		const newCount = (proxyCounter.get(ep) || 0) - 1;
		proxyCounter.set(ep, newCount);
		if (newCount === 0) releaseEndpoint(ep);
	});
	function registerProxy(proxy$1, ep) {
		const newCount = (proxyCounter.get(ep) || 0) + 1;
		proxyCounter.set(ep, newCount);
		if (proxyFinalizers) proxyFinalizers.register(proxy$1, ep, proxy$1);
	}
	function unregisterProxy(proxy$1) {
		if (proxyFinalizers) proxyFinalizers.unregister(proxy$1);
	}
	function createProxy(ep, pendingListeners, path = [], target = function() {}) {
		let isProxyReleased = false;
		const proxy$1 = new Proxy(target, {
			get(_target, prop) {
				throwIfProxyReleased(isProxyReleased);
				if (prop === releaseProxy) return () => {
					unregisterProxy(proxy$1);
					releaseEndpoint(ep);
					pendingListeners.clear();
					isProxyReleased = true;
				};
				if (prop === "then") {
					if (path.length === 0) return { then: () => proxy$1 };
					const r = requestResponseMessage(ep, pendingListeners, {
						type: "GET",
						path: path.map((p) => p.toString())
					}).then(fromWireValue);
					return r.then.bind(r);
				}
				return createProxy(ep, pendingListeners, [...path, prop]);
			},
			set(_target, prop, rawValue) {
				throwIfProxyReleased(isProxyReleased);
				const [value, transferables] = toWireValue(rawValue);
				return requestResponseMessage(ep, pendingListeners, {
					type: "SET",
					path: [...path, prop].map((p) => p.toString()),
					value
				}, transferables).then(fromWireValue);
			},
			apply(_target, _thisArg, rawArgumentList) {
				throwIfProxyReleased(isProxyReleased);
				const last = path[path.length - 1];
				if (last === createEndpoint) return requestResponseMessage(ep, pendingListeners, { type: "ENDPOINT" }).then(fromWireValue);
				if (last === "bind") return createProxy(ep, pendingListeners, path.slice(0, -1));
				const [argumentList, transferables] = processArguments(rawArgumentList);
				return requestResponseMessage(ep, pendingListeners, {
					type: "APPLY",
					path: path.map((p) => p.toString()),
					argumentList
				}, transferables).then(fromWireValue);
			},
			construct(_target, rawArgumentList) {
				throwIfProxyReleased(isProxyReleased);
				const [argumentList, transferables] = processArguments(rawArgumentList);
				return requestResponseMessage(ep, pendingListeners, {
					type: "CONSTRUCT",
					path: path.map((p) => p.toString()),
					argumentList
				}, transferables).then(fromWireValue);
			}
		});
		registerProxy(proxy$1, ep);
		return proxy$1;
	}
	function myFlat(arr) {
		return Array.prototype.concat.apply([], arr);
	}
	function processArguments(argumentList) {
		const processed = argumentList.map(toWireValue);
		return [processed.map((v) => v[0]), myFlat(processed.map((v) => v[1]))];
	}
	const transferCache = new WeakMap();
	function transfer(obj, transfers) {
		transferCache.set(obj, transfers);
		return obj;
	}
	function proxy(obj) {
		return Object.assign(obj, { [proxyMarker]: true });
	}
	function toWireValue(value) {
		for (const [name, handler] of transferHandlers) if (handler.canHandle(value)) {
			const [serializedValue, transferables] = handler.serialize(value);
			return [{
				type: "HANDLER",
				name,
				value: serializedValue
			}, transferables];
		}
		return [{
			type: "RAW",
			value
		}, transferCache.get(value) || []];
	}
	function fromWireValue(value) {
		switch (value.type) {
			case "HANDLER": return transferHandlers.get(value.name).deserialize(value.value);
			case "RAW": return value.value;
		}
	}
	function requestResponseMessage(ep, pendingListeners, msg, transfers) {
		return new Promise((resolve) => {
			const id = generateUUID();
			pendingListeners.set(id, resolve);
			if (ep.start) ep.start();
			ep.postMessage(Object.assign({ id }, msg), transfers);
		});
	}
	function generateUUID() {
		return new Array(4).fill(0).map(() => Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString(16)).join("-");
	}
	const defaultOptions = /* @__PURE__ */ Object.freeze({
		diffTimeout: 1,
		diffEditCost: 4,
		matchThreshold: .5,
		matchDistance: 1e3,
		patchDeleteThreshold: .5,
		patchMargin: 4,
		matchMaxBits: 32
	});
	function resolveOptions(options) {
		if (options?.__resolved) return options;
		const resolved = {
			...defaultOptions,
			...options
		};
		Object.defineProperty(resolved, "__resolved", {
			value: true,
			enumerable: false
		});
		return resolved;
	}
	const DIFF_DELETE = -1;
	const DIFF_INSERT = 1;
	const DIFF_EQUAL = 0;
	function createDiff(op, text) {
		return [op, text];
	}
	function diffMain(text1, text2, options, opt_checklines = true, opt_deadline) {
		const resolved = resolveOptions(options);
		if (typeof opt_deadline == "undefined") if (resolved.diffTimeout <= 0) opt_deadline = Number.MAX_VALUE;
		else opt_deadline = (/* @__PURE__ */ new Date()).getTime() + resolved.diffTimeout * 1e3;
		const deadline = opt_deadline;
		if (text1 == null || text2 == null) throw new Error("Null input. (diff_main)");
		if (text1 === text2) {
			if (text1) return [createDiff(DIFF_EQUAL, text1)];
			return [];
		}
		const checklines = opt_checklines;
		let commonlength = diffCommonPrefix(text1, text2);
		const commonprefix = text1.substring(0, commonlength);
		text1 = text1.substring(commonlength);
		text2 = text2.substring(commonlength);
		commonlength = diffCommonSuffix(text1, text2);
		const commonsuffix = text1.substring(text1.length - commonlength);
		text1 = text1.substring(0, text1.length - commonlength);
		text2 = text2.substring(0, text2.length - commonlength);
		const diffs = diffCompute(text1, text2, resolved, checklines, deadline);
		if (commonprefix) diffs.unshift(createDiff(DIFF_EQUAL, commonprefix));
		if (commonsuffix) diffs.push(createDiff(DIFF_EQUAL, commonsuffix));
		diffCleanupMerge(diffs);
		return diffs;
	}
	function diffCompute(text1, text2, options, checklines, deadline) {
		let diffs;
		if (!text1) return [createDiff(DIFF_INSERT, text2)];
		if (!text2) return [createDiff(DIFF_DELETE, text1)];
		const longtext = text1.length > text2.length ? text1 : text2;
		const shorttext = text1.length > text2.length ? text2 : text1;
		const i = longtext.indexOf(shorttext);
		if (i !== -1) {
			diffs = [
				createDiff(DIFF_INSERT, longtext.substring(0, i)),
				createDiff(DIFF_EQUAL, shorttext),
				createDiff(DIFF_INSERT, longtext.substring(i + shorttext.length))
			];
			if (text1.length > text2.length) diffs[0][0] = diffs[2][0] = DIFF_DELETE;
			return diffs;
		}
		if (shorttext.length === 1) return [createDiff(DIFF_DELETE, text1), createDiff(DIFF_INSERT, text2)];
		const hm = diffHalfMatch(text1, text2, options);
		if (hm) {
			const text1_a = hm[0];
			const text1_b = hm[1];
			const text2_a = hm[2];
			const text2_b = hm[3];
			const mid_common = hm[4];
			const diffs_a = diffMain(text1_a, text2_a, options, checklines, deadline);
			const diffs_b = diffMain(text1_b, text2_b, options, checklines, deadline);
			return diffs_a.concat([createDiff(DIFF_EQUAL, mid_common)], diffs_b);
		}
		if (checklines && text1.length > 100 && text2.length > 100) return diffLineMode(text1, text2, options, deadline);
		return diffBisect(text1, text2, options, deadline);
	}
	function diffLineMode(text1, text2, options, deadline) {
		const a = diffLinesToChars(text1, text2);
		text1 = a.chars1;
		text2 = a.chars2;
		const linearray = a.lineArray;
		const diffs = diffMain(text1, text2, options, false, deadline);
		diffCharsToLines(diffs, linearray);
		diffCleanupSemantic(diffs);
		diffs.push(createDiff(DIFF_EQUAL, ""));
		let pointer = 0;
		let count_delete = 0;
		let count_insert = 0;
		let text_delete = "";
		let text_insert = "";
		while (pointer < diffs.length) {
			switch (diffs[pointer][0]) {
				case DIFF_INSERT:
					count_insert++;
					text_insert += diffs[pointer][1];
					break;
				case DIFF_DELETE:
					count_delete++;
					text_delete += diffs[pointer][1];
					break;
				case DIFF_EQUAL:
					if (count_delete >= 1 && count_insert >= 1) {
						diffs.splice(pointer - count_delete - count_insert, count_delete + count_insert);
						pointer = pointer - count_delete - count_insert;
						const subDiff = diffMain(text_delete, text_insert, options, false, deadline);
						for (let j = subDiff.length - 1; j >= 0; j--) diffs.splice(pointer, 0, subDiff[j]);
						pointer = pointer + subDiff.length;
					}
					count_insert = 0;
					count_delete = 0;
					text_delete = "";
					text_insert = "";
					break;
			}
			pointer++;
		}
		diffs.pop();
		return diffs;
	}
	function diffBisect(text1, text2, options, deadline) {
		const text1_length = text1.length;
		const text2_length = text2.length;
		const max_d = Math.ceil((text1_length + text2_length) / 2);
		const v_offset = max_d;
		const v_length = 2 * max_d;
		const v1 = new Array(v_length);
		const v2 = new Array(v_length);
		for (let x = 0; x < v_length; x++) {
			v1[x] = -1;
			v2[x] = -1;
		}
		v1[v_offset + 1] = 0;
		v2[v_offset + 1] = 0;
		const delta = text1_length - text2_length;
		const front = delta % 2 !== 0;
		let k1start = 0;
		let k1end = 0;
		let k2start = 0;
		let k2end = 0;
		for (let d = 0; d < max_d; d++) {
			if ((/* @__PURE__ */ new Date()).getTime() > deadline) break;
			for (let k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
				const k1_offset = v_offset + k1;
				let x1;
				if (k1 === -d || k1 !== d && v1[k1_offset - 1] < v1[k1_offset + 1]) x1 = v1[k1_offset + 1];
				else x1 = v1[k1_offset - 1] + 1;
				let y1 = x1 - k1;
				while (x1 < text1_length && y1 < text2_length && text1.charAt(x1) === text2.charAt(y1)) {
					x1++;
					y1++;
				}
				v1[k1_offset] = x1;
				if (x1 > text1_length) k1end += 2;
				else if (y1 > text2_length) k1start += 2;
				else if (front) {
					const k2_offset = v_offset + delta - k1;
					if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] !== -1) {
						const x2 = text1_length - v2[k2_offset];
						if (x1 >= x2) return diffBisectSplit(text1, text2, options, x1, y1, deadline);
					}
				}
			}
			for (let k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
				const k2_offset = v_offset + k2;
				let x2;
				if (k2 === -d || k2 !== d && v2[k2_offset - 1] < v2[k2_offset + 1]) x2 = v2[k2_offset + 1];
				else x2 = v2[k2_offset - 1] + 1;
				let y2 = x2 - k2;
				while (x2 < text1_length && y2 < text2_length && text1.charAt(text1_length - x2 - 1) === text2.charAt(text2_length - y2 - 1)) {
					x2++;
					y2++;
				}
				v2[k2_offset] = x2;
				if (x2 > text1_length) k2end += 2;
				else if (y2 > text2_length) k2start += 2;
				else if (!front) {
					const k1_offset = v_offset + delta - k2;
					if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] !== -1) {
						const x1 = v1[k1_offset];
						const y1 = v_offset + x1 - k1_offset;
						x2 = text1_length - x2;
						if (x1 >= x2) return diffBisectSplit(text1, text2, options, x1, y1, deadline);
					}
				}
			}
		}
		return [createDiff(DIFF_DELETE, text1), createDiff(DIFF_INSERT, text2)];
	}
	function diffBisectSplit(text1, text2, options, x, y, deadline) {
		const text1a = text1.substring(0, x);
		const text2a = text2.substring(0, y);
		const text1b = text1.substring(x);
		const text2b = text2.substring(y);
		const diffs = diffMain(text1a, text2a, options, false, deadline);
		const diffsb = diffMain(text1b, text2b, options, false, deadline);
		return diffs.concat(diffsb);
	}
	function diffLinesToChars(text1, text2) {
		const lineArray = [];
		const lineHash = {};
		let maxLines = 4e4;
		lineArray[0] = "";
		function diffLinesToCharsMunge(text) {
			let chars = "";
			let lineStart = 0;
			let lineEnd = -1;
			let lineArrayLength = lineArray.length;
			while (lineEnd < text.length - 1) {
				lineEnd = text.indexOf("\n", lineStart);
				if (lineEnd === -1) lineEnd = text.length - 1;
				let line = text.substring(lineStart, lineEnd + 1);
				if (lineHash.hasOwnProperty ? Object.prototype.hasOwnProperty.call(lineHash, line) : lineHash[line] !== void 0) chars += String.fromCharCode(lineHash[line]);
				else {
					if (lineArrayLength === maxLines) {
						line = text.substring(lineStart);
						lineEnd = text.length;
					}
					chars += String.fromCharCode(lineArrayLength);
					lineHash[line] = lineArrayLength;
					lineArray[lineArrayLength++] = line;
				}
				lineStart = lineEnd + 1;
			}
			return chars;
		}
		const chars1 = diffLinesToCharsMunge(text1);
		maxLines = 65535;
		const chars2 = diffLinesToCharsMunge(text2);
		return {
			chars1,
			chars2,
			lineArray
		};
	}
	function diffCharsToLines(diffs, lineArray) {
		for (let i = 0; i < diffs.length; i++) {
			const chars = diffs[i][1];
			const text = [];
			for (let j = 0; j < chars.length; j++) text[j] = lineArray[chars.charCodeAt(j)];
			diffs[i][1] = text.join("");
		}
	}
	function diffCommonPrefix(text1, text2) {
		if (!text1 || !text2 || text1.charAt(0) !== text2.charAt(0)) return 0;
		let pointermin = 0;
		let pointermax = Math.min(text1.length, text2.length);
		let pointermid = pointermax;
		let pointerstart = 0;
		while (pointermin < pointermid) {
			if (text1.substring(pointerstart, pointermid) === text2.substring(pointerstart, pointermid)) {
				pointermin = pointermid;
				pointerstart = pointermin;
			} else pointermax = pointermid;
			pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
		}
		return pointermid;
	}
	function diffCommonSuffix(text1, text2) {
		if (!text1 || !text2 || text1.charAt(text1.length - 1) !== text2.charAt(text2.length - 1)) return 0;
		let pointermin = 0;
		let pointermax = Math.min(text1.length, text2.length);
		let pointermid = pointermax;
		let pointerend = 0;
		while (pointermin < pointermid) {
			if (text1.substring(text1.length - pointermid, text1.length - pointerend) === text2.substring(text2.length - pointermid, text2.length - pointerend)) {
				pointermin = pointermid;
				pointerend = pointermin;
			} else pointermax = pointermid;
			pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
		}
		return pointermid;
	}
	function diffCommonOverlap(text1, text2) {
		const text1_length = text1.length;
		const text2_length = text2.length;
		if (text1_length === 0 || text2_length === 0) return 0;
		if (text1_length > text2_length) text1 = text1.substring(text1_length - text2_length);
		else if (text1_length < text2_length) text2 = text2.substring(0, text1_length);
		const text_length = Math.min(text1_length, text2_length);
		if (text1 === text2) return text_length;
		let best = 0;
		let length = 1;
		while (true) {
			const pattern = text1.substring(text_length - length);
			const found = text2.indexOf(pattern);
			if (found === -1) return best;
			length += found;
			if (found === 0 || text1.substring(text_length - length) === text2.substring(0, length)) {
				best = length;
				length++;
			}
		}
	}
	function diffHalfMatch(text1, text2, options) {
		if (options.diffTimeout <= 0) return null;
		const longtext = text1.length > text2.length ? text1 : text2;
		const shorttext = text1.length > text2.length ? text2 : text1;
		if (longtext.length < 4 || shorttext.length * 2 < longtext.length) return null;
		function diffHalfMatchI(longtext2, shorttext2, i) {
			const seed = longtext2.substring(i, i + Math.floor(longtext2.length / 4));
			let j = -1;
			let best_common = "";
			let best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;
			while ((j = shorttext2.indexOf(seed, j + 1)) !== -1) {
				const prefixLength = diffCommonPrefix(longtext2.substring(i), shorttext2.substring(j));
				const suffixLength = diffCommonSuffix(longtext2.substring(0, i), shorttext2.substring(0, j));
				if (best_common.length < suffixLength + prefixLength) {
					best_common = shorttext2.substring(j - suffixLength, j) + shorttext2.substring(j, j + prefixLength);
					best_longtext_a = longtext2.substring(0, i - suffixLength);
					best_longtext_b = longtext2.substring(i + prefixLength);
					best_shorttext_a = shorttext2.substring(0, j - suffixLength);
					best_shorttext_b = shorttext2.substring(j + prefixLength);
				}
			}
			if (best_common.length * 2 >= longtext2.length) return [
				best_longtext_a,
				best_longtext_b,
				best_shorttext_a,
				best_shorttext_b,
				best_common
			];
			else return null;
		}
		const hm1 = diffHalfMatchI(longtext, shorttext, Math.ceil(longtext.length / 4));
		const hm2 = diffHalfMatchI(longtext, shorttext, Math.ceil(longtext.length / 2));
		let hm;
		if (!hm1 && !hm2) return null;
		else if (!hm2) hm = hm1;
		else if (!hm1) hm = hm2;
		else hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
		let text1_a, text1_b, text2_a, text2_b;
		if (text1.length > text2.length) {
			text1_a = hm[0];
			text1_b = hm[1];
			text2_a = hm[2];
			text2_b = hm[3];
		} else {
			text2_a = hm[0];
			text2_b = hm[1];
			text1_a = hm[2];
			text1_b = hm[3];
		}
		const mid_common = hm[4];
		return [
			text1_a,
			text1_b,
			text2_a,
			text2_b,
			mid_common
		];
	}
	function diffCleanupSemantic(diffs) {
		let changes = false;
		const equalities = [];
		let equalitiesLength = 0;
		let lastEquality = null;
		let pointer = 0;
		let length_insertions1 = 0;
		let length_deletions1 = 0;
		let length_insertions2 = 0;
		let length_deletions2 = 0;
		while (pointer < diffs.length) {
			if (diffs[pointer][0] === DIFF_EQUAL) {
				equalities[equalitiesLength++] = pointer;
				length_insertions1 = length_insertions2;
				length_deletions1 = length_deletions2;
				length_insertions2 = 0;
				length_deletions2 = 0;
				lastEquality = diffs[pointer][1];
			} else {
				if (diffs[pointer][0] === DIFF_INSERT) length_insertions2 += diffs[pointer][1].length;
				else length_deletions2 += diffs[pointer][1].length;
				if (lastEquality && lastEquality.length <= Math.max(length_insertions1, length_deletions1) && lastEquality.length <= Math.max(length_insertions2, length_deletions2)) {
					diffs.splice(equalities[equalitiesLength - 1], 0, createDiff(DIFF_DELETE, lastEquality));
					diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
					equalitiesLength--;
					equalitiesLength--;
					pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
					length_insertions1 = 0;
					length_deletions1 = 0;
					length_insertions2 = 0;
					length_deletions2 = 0;
					lastEquality = null;
					changes = true;
				}
			}
			pointer++;
		}
		if (changes) diffCleanupMerge(diffs);
		diffCleanupSemanticLossless(diffs);
		pointer = 1;
		while (pointer < diffs.length) {
			if (diffs[pointer - 1][0] === DIFF_DELETE && diffs[pointer][0] === DIFF_INSERT) {
				const deletion = diffs[pointer - 1][1];
				const insertion = diffs[pointer][1];
				const overlap_length1 = diffCommonOverlap(deletion, insertion);
				const overlap_length2 = diffCommonOverlap(insertion, deletion);
				if (overlap_length1 >= overlap_length2) {
					if (overlap_length1 >= deletion.length / 2 || overlap_length1 >= insertion.length / 2) {
						diffs.splice(pointer, 0, createDiff(DIFF_EQUAL, insertion.substring(0, overlap_length1)));
						diffs[pointer - 1][1] = deletion.substring(0, deletion.length - overlap_length1);
						diffs[pointer + 1][1] = insertion.substring(overlap_length1);
						pointer++;
					}
				} else if (overlap_length2 >= deletion.length / 2 || overlap_length2 >= insertion.length / 2) {
					diffs.splice(pointer, 0, createDiff(DIFF_EQUAL, deletion.substring(0, overlap_length2)));
					diffs[pointer - 1][0] = DIFF_INSERT;
					diffs[pointer - 1][1] = insertion.substring(0, insertion.length - overlap_length2);
					diffs[pointer + 1][0] = DIFF_DELETE;
					diffs[pointer + 1][1] = deletion.substring(overlap_length2);
					pointer++;
				}
				pointer++;
			}
			pointer++;
		}
	}
	const nonAlphaNumericRegex_ = /[^a-z0-9]/i;
	const whitespaceRegex_ = /\s/;
	const linebreakRegex_ = /[\r\n]/;
	const blanklineEndRegex_ = /\n\r?\n$/;
	const blanklineStartRegex_ = /^\r?\n\r?\n/;
	function diffCleanupSemanticLossless(diffs) {
		function diffCleanupSemanticScore(one, two) {
			if (!one || !two) return 6;
			const char1 = one.charAt(one.length - 1);
			const char2 = two.charAt(0);
			const nonAlphaNumeric1 = char1.match(nonAlphaNumericRegex_);
			const nonAlphaNumeric2 = char2.match(nonAlphaNumericRegex_);
			const whitespace1 = nonAlphaNumeric1 && char1.match(whitespaceRegex_);
			const whitespace2 = nonAlphaNumeric2 && char2.match(whitespaceRegex_);
			const lineBreak1 = whitespace1 && char1.match(linebreakRegex_);
			const lineBreak2 = whitespace2 && char2.match(linebreakRegex_);
			const blankLine1 = lineBreak1 && one.match(blanklineEndRegex_);
			const blankLine2 = lineBreak2 && two.match(blanklineStartRegex_);
			if (blankLine1 || blankLine2) return 5;
			else if (lineBreak1 || lineBreak2) return 4;
			else if (nonAlphaNumeric1 && !whitespace1 && whitespace2) return 3;
			else if (whitespace1 || whitespace2) return 2;
			else if (nonAlphaNumeric1 || nonAlphaNumeric2) return 1;
			return 0;
		}
		let pointer = 1;
		while (pointer < diffs.length - 1) {
			if (diffs[pointer - 1][0] === DIFF_EQUAL && diffs[pointer + 1][0] === DIFF_EQUAL) {
				let equality1 = diffs[pointer - 1][1];
				let edit = diffs[pointer][1];
				let equality2 = diffs[pointer + 1][1];
				const commonOffset = diffCommonSuffix(equality1, edit);
				if (commonOffset) {
					const commonString = edit.substring(edit.length - commonOffset);
					equality1 = equality1.substring(0, equality1.length - commonOffset);
					edit = commonString + edit.substring(0, edit.length - commonOffset);
					equality2 = commonString + equality2;
				}
				let bestEquality1 = equality1;
				let bestEdit = edit;
				let bestEquality2 = equality2;
				let bestScore = diffCleanupSemanticScore(equality1, edit) + diffCleanupSemanticScore(edit, equality2);
				while (edit.charAt(0) === equality2.charAt(0)) {
					equality1 += edit.charAt(0);
					edit = edit.substring(1) + equality2.charAt(0);
					equality2 = equality2.substring(1);
					const score = diffCleanupSemanticScore(equality1, edit) + diffCleanupSemanticScore(edit, equality2);
					if (score >= bestScore) {
						bestScore = score;
						bestEquality1 = equality1;
						bestEdit = edit;
						bestEquality2 = equality2;
					}
				}
				if (diffs[pointer - 1][1] !== bestEquality1) {
					if (bestEquality1) diffs[pointer - 1][1] = bestEquality1;
					else {
						diffs.splice(pointer - 1, 1);
						pointer--;
					}
					diffs[pointer][1] = bestEdit;
					if (bestEquality2) diffs[pointer + 1][1] = bestEquality2;
					else {
						diffs.splice(pointer + 1, 1);
						pointer--;
					}
				}
			}
			pointer++;
		}
	}
	function diffCleanupMerge(diffs) {
		diffs.push(createDiff(DIFF_EQUAL, ""));
		let pointer = 0;
		let count_delete = 0;
		let count_insert = 0;
		let text_delete = "";
		let text_insert = "";
		let commonlength;
		while (pointer < diffs.length) switch (diffs[pointer][0]) {
			case DIFF_INSERT:
				count_insert++;
				text_insert += diffs[pointer][1];
				pointer++;
				break;
			case DIFF_DELETE:
				count_delete++;
				text_delete += diffs[pointer][1];
				pointer++;
				break;
			case DIFF_EQUAL:
				if (count_delete + count_insert > 1) {
					if (count_delete !== 0 && count_insert !== 0) {
						commonlength = diffCommonPrefix(text_insert, text_delete);
						if (commonlength !== 0) {
							if (pointer - count_delete - count_insert > 0 && diffs[pointer - count_delete - count_insert - 1][0] === DIFF_EQUAL) diffs[pointer - count_delete - count_insert - 1][1] += text_insert.substring(0, commonlength);
							else {
								diffs.splice(0, 0, createDiff(DIFF_EQUAL, text_insert.substring(0, commonlength)));
								pointer++;
							}
							text_insert = text_insert.substring(commonlength);
							text_delete = text_delete.substring(commonlength);
						}
						commonlength = diffCommonSuffix(text_insert, text_delete);
						if (commonlength !== 0) {
							diffs[pointer][1] = text_insert.substring(text_insert.length - commonlength) + diffs[pointer][1];
							text_insert = text_insert.substring(0, text_insert.length - commonlength);
							text_delete = text_delete.substring(0, text_delete.length - commonlength);
						}
					}
					pointer -= count_delete + count_insert;
					diffs.splice(pointer, count_delete + count_insert);
					if (text_delete.length) {
						diffs.splice(pointer, 0, createDiff(DIFF_DELETE, text_delete));
						pointer++;
					}
					if (text_insert.length) {
						diffs.splice(pointer, 0, createDiff(DIFF_INSERT, text_insert));
						pointer++;
					}
					pointer++;
				} else if (pointer !== 0 && diffs[pointer - 1][0] === DIFF_EQUAL) {
					diffs[pointer - 1][1] += diffs[pointer][1];
					diffs.splice(pointer, 1);
				} else pointer++;
				count_insert = 0;
				count_delete = 0;
				text_delete = "";
				text_insert = "";
				break;
		}
		if (diffs[diffs.length - 1][1] === "") diffs.pop();
		let changes = false;
		pointer = 1;
		while (pointer < diffs.length - 1) {
			if (diffs[pointer - 1][0] === DIFF_EQUAL && diffs[pointer + 1][0] === DIFF_EQUAL) {
				if (diffs[pointer][1].substring(diffs[pointer][1].length - diffs[pointer - 1][1].length) === diffs[pointer - 1][1]) {
					diffs[pointer][1] = diffs[pointer - 1][1] + diffs[pointer][1].substring(0, diffs[pointer][1].length - diffs[pointer - 1][1].length);
					diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
					diffs.splice(pointer - 1, 1);
					changes = true;
				} else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) === diffs[pointer + 1][1]) {
					diffs[pointer - 1][1] += diffs[pointer + 1][1];
					diffs[pointer][1] = diffs[pointer][1].substring(diffs[pointer + 1][1].length) + diffs[pointer + 1][1];
					diffs.splice(pointer + 1, 1);
					changes = true;
				}
			}
			pointer++;
		}
		if (changes) diffCleanupMerge(diffs);
	}
	function calculateDiff(left, right) {
		const changes = diffMain(left.replace(/\r\n/g, "\n"), right.replace(/\r\n/g, "\n"));
		diffCleanupSemantic(changes);
		return changes;
	}
	const exports$1 = { calculateDiff };
	expose(exports$1);
})();