diff --git a/README.md b/README.md index 0d8358c..42547e5 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ # autonomous.contact -A hub for communities as a single service with no required external dependencies. +Bringing the BBS back. ## TODO diff --git a/deno.json b/deno.json index a4b793c..a69554d 100644 --- a/deno.json +++ b/deno.json @@ -11,15 +11,11 @@ "test": "DENO_ENV=test FSDB_ROOT=$PWD/tests/data/$(date --iso-8601=seconds) SERVERUS_ROOT=$PWD/public SERVERUS_PUT_PATHS_ALLOWED=./files SERVERUS_DELETE_PATHS_ALLOWED=./files deno test --allow-env --allow-read --allow-write --allow-net --allow-import --trace-leaks --fail-fast tests/" }, "test": { - "exclude": [ - "tests/data/" - ] + "exclude": ["tests/data/"] }, "compilerOptions": {}, "fmt": { - "include": [ - "**/*.ts" - ], + "include": ["**/*.ts"], "options": { "useTabs": true, "lineWidth": 180, @@ -29,28 +25,22 @@ } }, "lint": { - "include": [ - "**/*.ts" - ], + "include": ["**/*.ts"], "rules": { - "tags": [ - "recommended" - ], - "exclude": [ - "no-explicit-any" - ] + "tags": ["recommended"], + "exclude": ["no-explicit-any"] } }, "imports": { "@andyburke/fsdb": "jsr:@andyburke/fsdb@^1.2.4", "@andyburke/lurid": "jsr:@andyburke/lurid@^0.2.0", - "@andyburke/serverus": "jsr:@andyburke/serverus@^0.16.0", + "@andyburke/serverus": "jsr:@andyburke/serverus@^0.13.0", "@da/bcrypt": "jsr:@da/bcrypt@^1.0.1", - "@std/assert": "jsr:@std/assert@^1.0.17", + "@std/assert": "jsr:@std/assert@^1.0.15", "@std/encoding": "jsr:@std/encoding@^1.0.10", - "@std/fs": "jsr:@std/fs@^1.0.22", - "@std/http": "jsr:@std/http@^1.0.23", + "@std/fs": "jsr:@std/fs@^1.0.19", + "@std/http": "jsr:@std/http@^1.0.21", "@std/media-types": "jsr:@std/media-types@^1.1.0", - "@std/path": "jsr:@std/path@^1.1.4" + "@std/path": "jsr:@std/path@^1.1.2" } } diff --git a/deno.lock b/deno.lock index 0e06569..e96cc4d 100644 --- a/deno.lock +++ b/deno.lock @@ -3,31 +3,31 @@ "specifiers": { "jsr:@andyburke/fsdb@^1.2.4": "1.2.4", "jsr:@andyburke/lurid@0.2": "0.2.0", - "jsr:@andyburke/serverus@0.16": "0.16.0", + "jsr:@andyburke/serverus@0.13": "0.13.0", "jsr:@da/bcrypt@*": "1.0.1", "jsr:@da/bcrypt@^1.0.1": "1.0.1", - "jsr:@std/assert@^1.0.17": "1.0.17", - "jsr:@std/cli@^1.0.19": "1.0.25", - "jsr:@std/cli@^1.0.20": "1.0.25", - "jsr:@std/cli@^1.0.21": "1.0.25", - "jsr:@std/cli@^1.0.25": "1.0.25", + "jsr:@std/assert@^1.0.15": "1.0.15", + "jsr:@std/cli@^1.0.19": "1.0.23", + "jsr:@std/cli@^1.0.20": "1.0.23", + "jsr:@std/cli@^1.0.21": "1.0.23", + "jsr:@std/cli@^1.0.23": "1.0.23", "jsr:@std/encoding@^1.0.10": "1.0.10", "jsr:@std/fmt@^1.0.6": "1.0.8", "jsr:@std/fmt@^1.0.8": "1.0.8", - "jsr:@std/fs@^1.0.18": "1.0.22", - "jsr:@std/fs@^1.0.19": "1.0.22", - "jsr:@std/fs@^1.0.21": "1.0.22", - "jsr:@std/fs@^1.0.22": "1.0.22", + "jsr:@std/fs@^1.0.18": "1.0.19", + "jsr:@std/fs@^1.0.19": "1.0.19", "jsr:@std/html@^1.0.5": "1.0.5", - "jsr:@std/http@^1.0.20": "1.0.23", - "jsr:@std/http@^1.0.23": "1.0.23", + "jsr:@std/http@^1.0.20": "1.0.21", + "jsr:@std/http@^1.0.21": "1.0.21", + "jsr:@std/internal@^1.0.10": "1.0.12", "jsr:@std/internal@^1.0.12": "1.0.12", + "jsr:@std/internal@^1.0.9": "1.0.12", "jsr:@std/media-types@^1.1.0": "1.1.0", "jsr:@std/net@^1.0.6": "1.0.6", - "jsr:@std/path@^1.1.0": "1.1.4", - "jsr:@std/path@^1.1.1": "1.1.4", - "jsr:@std/path@^1.1.4": "1.1.4", - "jsr:@std/streams@^1.0.16": "1.0.16", + "jsr:@std/path@^1.1.0": "1.1.2", + "jsr:@std/path@^1.1.1": "1.1.2", + "jsr:@std/path@^1.1.2": "1.1.2", + "jsr:@std/streams@^1.0.13": "1.0.13", "npm:@types/node@*": "22.15.15" }, "jsr": { @@ -45,8 +45,8 @@ "jsr:@std/cli@^1.0.19" ] }, - "@andyburke/serverus@0.16.0": { - "integrity": "625fc3f08ddc377beb86b282d603ca6154cf38e136d916ec19a87ae4c4ed86d5", + "@andyburke/serverus@0.13.0": { + "integrity": "73f451e1b68cd9be3938333b06290bfeab275361453559f40dfeab19dc4ad6d7", "dependencies": [ "jsr:@std/cli@^1.0.21", "jsr:@std/fmt@^1.0.6", @@ -59,14 +59,14 @@ "@da/bcrypt@1.0.1": { "integrity": "d2172d3acbcff52e0465557a1a48b1ff1c92df08c90712dae5372255a8c45eb3" }, - "@std/assert@1.0.17": { - "integrity": "df5ebfffe77c03b3fa1401e11c762cc8f603d51021c56c4d15a8c7ab45e90dbe", + "@std/assert@1.0.15": { + "integrity": "d64018e951dbdfab9777335ecdb000c0b4e3df036984083be219ce5941e4703b", "dependencies": [ - "jsr:@std/internal" + "jsr:@std/internal@^1.0.12" ] }, - "@std/cli@1.0.25": { - "integrity": "1f85051b370c97a7a9dfc6ba626e7ed57a91bea8c081597276d1e78d929d8c91" + "@std/cli@1.0.23": { + "integrity": "bf95b7a9425ba2af1ae5a6359daf58c508f2decf711a76ed2993cd352498ccca" }, "@std/encoding@1.0.10": { "integrity": "8783c6384a2d13abd5e9e87a7ae0520a30e9f56aeeaa3bdf910a3eaaf5c811a1" @@ -74,27 +74,27 @@ "@std/fmt@1.0.8": { "integrity": "71e1fc498787e4434d213647a6e43e794af4fd393ef8f52062246e06f7e372b7" }, - "@std/fs@1.0.22": { - "integrity": "de0f277a58a867147a8a01bc1b181d0dfa80bfddba8c9cf2bacd6747bcec9308", + "@std/fs@1.0.19": { + "integrity": "051968c2b1eae4d2ea9f79a08a3845740ef6af10356aff43d3e2ef11ed09fb06", "dependencies": [ - "jsr:@std/internal", - "jsr:@std/path@^1.1.4" + "jsr:@std/internal@^1.0.9", + "jsr:@std/path@^1.1.1" ] }, "@std/html@1.0.5": { "integrity": "4e2d693f474cae8c16a920fa5e15a3b72267b94b84667f11a50c6dd1cb18d35e" }, - "@std/http@1.0.23": { - "integrity": "6634e9e034c589bf35101c1b5ee5bbf052a5987abca20f903e58bdba85c80dee", + "@std/http@1.0.21": { + "integrity": "abb5c747651ee6e3ea6139858fd9b1810d2c97f53a5e6722f3b6d27a6d263edc", "dependencies": [ - "jsr:@std/cli@^1.0.25", + "jsr:@std/cli@^1.0.23", "jsr:@std/encoding", "jsr:@std/fmt@^1.0.8", - "jsr:@std/fs@^1.0.21", + "jsr:@std/fs@^1.0.19", "jsr:@std/html", "jsr:@std/media-types", "jsr:@std/net", - "jsr:@std/path@^1.1.4", + "jsr:@std/path@^1.1.2", "jsr:@std/streams" ] }, @@ -107,14 +107,14 @@ "@std/net@1.0.6": { "integrity": "110735f93e95bb9feb95790a8b1d1bf69ec0dc74f3f97a00a76ea5efea25500c" }, - "@std/path@1.1.4": { - "integrity": "1d2d43f39efb1b42f0b1882a25486647cb851481862dc7313390b2bb044314b5", + "@std/path@1.1.2": { + "integrity": "c0b13b97dfe06546d5e16bf3966b1cadf92e1cc83e56ba5476ad8b498d9e3038", "dependencies": [ - "jsr:@std/internal" + "jsr:@std/internal@^1.0.10" ] }, - "@std/streams@1.0.16": { - "integrity": "85030627befb1767c60d4f65cb30fa2f94af1d6ee6e5b2515b76157a542e89c4" + "@std/streams@1.0.13": { + "integrity": "772d208cd0d3e5dac7c1d9e6cdb25842846d136eea4a41a62e44ed4ab0c8dd9e" } }, "npm": { @@ -135,14 +135,14 @@ "dependencies": [ "jsr:@andyburke/fsdb@^1.2.4", "jsr:@andyburke/lurid@0.2", - "jsr:@andyburke/serverus@0.16", + "jsr:@andyburke/serverus@0.13", "jsr:@da/bcrypt@^1.0.1", - "jsr:@std/assert@^1.0.17", + "jsr:@std/assert@^1.0.15", "jsr:@std/encoding@^1.0.10", - "jsr:@std/fs@^1.0.22", - "jsr:@std/http@^1.0.23", + "jsr:@std/fs@^1.0.19", + "jsr:@std/http@^1.0.21", "jsr:@std/media-types@^1.1.0", - "jsr:@std/path@^1.1.4" + "jsr:@std/path@^1.1.2" ] } } diff --git a/public/.spa b/public/.spa deleted file mode 100644 index e69de29..0000000 diff --git a/public/api/auth/index.ts b/public/api/auth/index.ts index 7d47e32..c69d8cf 100644 --- a/public/api/auth/index.ts +++ b/public/api/auth/index.ts @@ -6,11 +6,10 @@ import { SESSION, SESSIONS } from '../../../models/session.ts'; import { TOTP_ENTRIES } from '../../../models/totp_entry.ts'; import { encodeBase64 } from '@std/encoding/base64'; import parse_body from '../../../utils/bodyparser.ts'; -import { AUTHED_BEFORE_COOKIE_ID, get_session, get_user, PRECHECK_TABLE, require_user, SESSION_ID_TOKEN, SESSION_SECRET_TOKEN } from '../../../utils/prechecks.ts'; +import { get_session, get_user, PRECHECK_TABLE, require_user, SESSION_ID_TOKEN, SESSION_SECRET_TOKEN } from '../../../utils/prechecks.ts'; import * as bcrypt from '@da/bcrypt'; import { verifyTotp } from '../../../utils/totp.ts'; -const AUTHED_BEFORE_EXPIRATION: number = 399 * (24 * (60 * (60 * 1_000))); // 399 days const DEFAULT_SESSION_TIME: number = 365 * (24 * (60 * (60 * 1_000))); // 365 days export const PRECHECKS: PRECHECK_TABLE = {}; @@ -207,7 +206,6 @@ export async function create_new_session(session_settings: SESSION_INFO): Promis const headers = new Headers(); const expires_in_utc = new Date(session.timestamps.expires).toUTCString(); - headers.append('Set-Cookie', `${AUTHED_BEFORE_COOKIE_ID}=1; Path=/; Secure; Expires=${new Date(new Date(now).valueOf() + AUTHED_BEFORE_EXPIRATION).toUTCString()}`); headers.append('Set-Cookie', `${SESSION_ID_TOKEN}=${session.id}; Path=/; Secure; Expires=${expires_in_utc}`); headers.append(`x-${SESSION_ID_TOKEN}`, session.id); diff --git a/public/base.css b/public/base.css index cab56f7..4035c12 100644 --- a/public/base.css +++ b/public/base.css @@ -169,15 +169,6 @@ body { /* fixed height? */ } -#background-container { - position: fixed; - top: 0; - right: 0; - left: 0; - bottom: 0; - z-index: -1; -} - main { position: relative; width: 100%; @@ -1691,32 +1682,6 @@ body[data-perms*="files.write.own"] [data-requires-permission="files.write.own"] left: 11px; } -.icon.map-pin { - box-sizing: border-box; - position: relative; - display: block; - transform: rotate(45deg) scale(var(--icon-scale, 1)); - width: 18px; - height: 18px; - border-radius: 100% 100% 0 100%; - border: 2px solid; - margin-top: -4px; -} - -.icon.map-pin::before { - content: ""; - display: block; - box-sizing: border-box; - position: absolute; - width: 8px; - height: 8px; - border: 2px solid; - top: 3px; - left: 3px; - border-radius: 40px; -} - - /* AUDIO PLAYER ICONS */ .icon.skip-back { box-sizing: border-box; diff --git a/public/foo/index.html b/public/foo/index.html deleted file mode 100644 index 42d2802..0000000 --- a/public/foo/index.html +++ /dev/null @@ -1,6 +0,0 @@ - - - -

Hello World - foo

- - diff --git a/public/index.html b/public/index.html index 2b5a262..9b02c9a 100644 --- a/public/index.html +++ b/public/index.html @@ -3,57 +3,54 @@ - <!-- #include "./files/settings/title.txt" or "./title.txt" --> + autonomous.contact - - - + + + - - + - - - + + + - - - - - - - - - - - - - - - - - - - - - - - - - + + + + + + + + + + + + + + + + + + + + + + + + + -
- - +
- + - +
diff --git a/public/js/api.js b/public/js/api.js index 0ac9755..a306e84 100644 --- a/public/js/api.js +++ b/public/js/api.js @@ -5,13 +5,10 @@ const api = { ...__options, }; - // FIXME: this will break with different server settings - // TODO: we need the cookie names here to match any configured on the server const session_id = (document.cookie.match( /^(?:.*;)?\s*session_id\s*=\s*([^;]+)(?:.*)?$/, ) || [, null])[1]; - // FIXME: this will break with different server settings // TODO: this wasn't really intended to be persisted in a cookie const session_secret = (document.cookie.match( /^(?:.*;)?\s*session_secret\s*=\s*([^;]+)(?:.*)?$/, diff --git a/public/js/app.js b/public/js/app.js index 2643d1f..510eecb 100644 --- a/public/js/app.js +++ b/public/js/app.js @@ -68,13 +68,13 @@ const APP = { this._emit( 'view_changed', { previous, - view, - channel_id + view }); } if (!document.body.dataset.channel || document.body.dataset.channel !== channel_id) { const previous = typeof document.body.dataset.channel === 'string' ? document.body.dataset.channel : undefined; + if ( channel_id ) { document.body.dataset.channel = channel_id; } @@ -82,10 +82,21 @@ const APP = { delete document.body.dataset.channel; } - this._emit( 'channel_changed', { - previous, - channel_id - }); + const target_channel_id = channel_id ?? this.CHANNELS.CHANNEL_LIST[0]?.id; + + // TODO: allow a different default than chat + const hash_target = `/${ view ? view : 'chat' }` + ( target_channel_id ? `/channel/${ target_channel_id }` : '' ); + + if ( window.location.hash?.slice( 1 ) !== hash_target ) { + if ( previous !== target_channel_id ) { + this._emit( 'channel_changed', { + previous, + channel_id: target_channel_id + }); + } + + window.location.hash = hash_target; + } } }, @@ -225,11 +236,22 @@ const APP = { const channels_response = await api.fetch("/api/channels"); if (channels_response.ok) { const new_channels = await channels_response.json(); - APP.CHANNELS.CHANNEL_LIST = [...new_channels]; + const has_differences = + APP.CHANNELS.CHANNEL_LIST.length !== new_channels.length || + new_channels.some((channel, index) => { + return ( + APP.CHANNELS.CHANNEL_LIST[index]?.id !== channel.id || + APP.CHANNELS.CHANNEL_LIST[index]?.name !== channel.name + ); + }); - APP._emit( 'channels_updated', { - channels: APP.CHANNELS.CHANNEL_LIST - }); + if (has_differences) { + APP.CHANNELS.CHANNEL_LIST = [...new_channels]; + + APP._emit( 'channels_updated', { + channels: APP.CHANNELS.CHANNEL_LIST + }); + } APP.CHANNELS._last_channel_update = now; } @@ -249,8 +271,3 @@ const APP = { }; document.addEventListener("DOMContentLoaded", APP.load.bind( APP )); -APP.on( 'view_changed', ( { view } ) => { - if ( !view ) { - window.location.hash = '/chat'; - } -}); diff --git a/public/js/external/leaflet/images/layers-2x.png b/public/js/external/leaflet/images/layers-2x.png deleted file mode 100644 index 200c333..0000000 Binary files a/public/js/external/leaflet/images/layers-2x.png and /dev/null differ diff --git a/public/js/external/leaflet/images/layers.png b/public/js/external/leaflet/images/layers.png deleted file mode 100644 index 1a72e57..0000000 Binary files a/public/js/external/leaflet/images/layers.png and /dev/null differ diff --git a/public/js/external/leaflet/images/marker-icon-2x.png b/public/js/external/leaflet/images/marker-icon-2x.png deleted file mode 100644 index 88f9e50..0000000 Binary files a/public/js/external/leaflet/images/marker-icon-2x.png and /dev/null differ diff --git a/public/js/external/leaflet/images/marker-icon.png b/public/js/external/leaflet/images/marker-icon.png deleted file mode 100644 index 950edf2..0000000 Binary files a/public/js/external/leaflet/images/marker-icon.png and /dev/null differ diff --git a/public/js/external/leaflet/images/marker-shadow.png b/public/js/external/leaflet/images/marker-shadow.png deleted file mode 100644 index 9fd2979..0000000 Binary files a/public/js/external/leaflet/images/marker-shadow.png and /dev/null differ diff --git a/public/js/external/leaflet/leaflet-src.esm.js b/public/js/external/leaflet/leaflet-src.esm.js deleted file mode 100644 index 1b9a76e..0000000 --- a/public/js/external/leaflet/leaflet-src.esm.js +++ /dev/null @@ -1,14419 +0,0 @@ -/* @preserve - * Leaflet 1.9.4+v1.d15112c, a JS library for interactive maps. https://leafletjs.com - * (c) 2010-2023 Vladimir Agafonkin, (c) 2010-2011 CloudMade - */ - -var version = "1.9.4"; - -/* - * @namespace Util - * - * Various utility functions, used by Leaflet internally. - */ - -// @function extend(dest: Object, src?: Object): Object -// Merges the properties of the `src` object (or multiple objects) into `dest` object and returns the latter. Has an `L.extend` shortcut. -function extend(dest) { - var i, j, len, src; - - for (j = 1, len = arguments.length; j < len; j++) { - src = arguments[j]; - for (i in src) { - dest[i] = src[i]; - } - } - return dest; -} - -// @function create(proto: Object, properties?: Object): Object -// Compatibility polyfill for [Object.create](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create) -var create$2 = Object.create || (function () { - function F() {} - return function (proto) { - F.prototype = proto; - return new F(); - }; -})(); - -// @function bind(fn: Function, …): Function -// Returns a new function bound to the arguments passed, like [Function.prototype.bind](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind). -// Has a `L.bind()` shortcut. -function bind(fn, obj) { - var slice = Array.prototype.slice; - - if (fn.bind) { - return fn.bind.apply(fn, slice.call(arguments, 1)); - } - - var args = slice.call(arguments, 2); - - return function () { - return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments); - }; -} - -// @property lastId: Number -// Last unique ID used by [`stamp()`](#util-stamp) -var lastId = 0; - -// @function stamp(obj: Object): Number -// Returns the unique ID of an object, assigning it one if it doesn't have it. -function stamp(obj) { - if (!('_leaflet_id' in obj)) { - obj['_leaflet_id'] = ++lastId; - } - return obj._leaflet_id; -} - -// @function throttle(fn: Function, time: Number, context: Object): Function -// Returns a function which executes function `fn` with the given scope `context` -// (so that the `this` keyword refers to `context` inside `fn`'s code). The function -// `fn` will be called no more than one time per given amount of `time`. The arguments -// received by the bound function will be any arguments passed when binding the -// function, followed by any arguments passed when invoking the bound function. -// Has an `L.throttle` shortcut. -function throttle(fn, time, context) { - var lock, args, wrapperFn, later; - - later = function () { - // reset lock and call if queued - lock = false; - if (args) { - wrapperFn.apply(context, args); - args = false; - } - }; - - wrapperFn = function () { - if (lock) { - // called too soon, queue to call later - args = arguments; - - } else { - // call and lock until later - fn.apply(context, arguments); - setTimeout(later, time); - lock = true; - } - }; - - return wrapperFn; -} - -// @function wrapNum(num: Number, range: Number[], includeMax?: Boolean): Number -// Returns the number `num` modulo `range` in such a way so it lies within -// `range[0]` and `range[1]`. The returned value will be always smaller than -// `range[1]` unless `includeMax` is set to `true`. -function wrapNum(x, range, includeMax) { - var max = range[1], - min = range[0], - d = max - min; - return x === max && includeMax ? x : ((x - min) % d + d) % d + min; -} - -// @function falseFn(): Function -// Returns a function which always returns `false`. -function falseFn() { return false; } - -// @function formatNum(num: Number, precision?: Number|false): Number -// Returns the number `num` rounded with specified `precision`. -// The default `precision` value is 6 decimal places. -// `false` can be passed to skip any processing (can be useful to avoid round-off errors). -function formatNum(num, precision) { - if (precision === false) { return num; } - var pow = Math.pow(10, precision === undefined ? 6 : precision); - return Math.round(num * pow) / pow; -} - -// @function trim(str: String): String -// Compatibility polyfill for [String.prototype.trim](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim) -function trim(str) { - return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, ''); -} - -// @function splitWords(str: String): String[] -// Trims and splits the string on whitespace and returns the array of parts. -function splitWords(str) { - return trim(str).split(/\s+/); -} - -// @function setOptions(obj: Object, options: Object): Object -// Merges the given properties to the `options` of the `obj` object, returning the resulting options. See `Class options`. Has an `L.setOptions` shortcut. -function setOptions(obj, options) { - if (!Object.prototype.hasOwnProperty.call(obj, 'options')) { - obj.options = obj.options ? create$2(obj.options) : {}; - } - for (var i in options) { - obj.options[i] = options[i]; - } - return obj.options; -} - -// @function getParamString(obj: Object, existingUrl?: String, uppercase?: Boolean): String -// Converts an object into a parameter URL string, e.g. `{a: "foo", b: "bar"}` -// translates to `'?a=foo&b=bar'`. If `existingUrl` is set, the parameters will -// be appended at the end. If `uppercase` is `true`, the parameter names will -// be uppercased (e.g. `'?A=foo&B=bar'`) -function getParamString(obj, existingUrl, uppercase) { - var params = []; - for (var i in obj) { - params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i])); - } - return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&'); -} - -var templateRe = /\{ *([\w_ -]+) *\}/g; - -// @function template(str: String, data: Object): String -// Simple templating facility, accepts a template string of the form `'Hello {a}, {b}'` -// and a data object like `{a: 'foo', b: 'bar'}`, returns evaluated string -// `('Hello foo, bar')`. You can also specify functions instead of strings for -// data values — they will be evaluated passing `data` as an argument. -function template(str, data) { - return str.replace(templateRe, function (str, key) { - var value = data[key]; - - if (value === undefined) { - throw new Error('No value provided for variable ' + str); - - } else if (typeof value === 'function') { - value = value(data); - } - return value; - }); -} - -// @function isArray(obj): Boolean -// Compatibility polyfill for [Array.isArray](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray) -var isArray = Array.isArray || function (obj) { - return (Object.prototype.toString.call(obj) === '[object Array]'); -}; - -// @function indexOf(array: Array, el: Object): Number -// Compatibility polyfill for [Array.prototype.indexOf](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf) -function indexOf(array, el) { - for (var i = 0; i < array.length; i++) { - if (array[i] === el) { return i; } - } - return -1; -} - -// @property emptyImageUrl: String -// Data URI string containing a base64-encoded empty GIF image. -// Used as a hack to free memory from unused images on WebKit-powered -// mobile devices (by setting image `src` to this string). -var emptyImageUrl = 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='; - -// inspired by https://paulirish.com/2011/requestanimationframe-for-smart-animating/ - -function getPrefixed(name) { - return window['webkit' + name] || window['moz' + name] || window['ms' + name]; -} - -var lastTime = 0; - -// fallback for IE 7-8 -function timeoutDefer(fn) { - var time = +new Date(), - timeToCall = Math.max(0, 16 - (time - lastTime)); - - lastTime = time + timeToCall; - return window.setTimeout(fn, timeToCall); -} - -var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer; -var cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') || - getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); }; - -// @function requestAnimFrame(fn: Function, context?: Object, immediate?: Boolean): Number -// Schedules `fn` to be executed when the browser repaints. `fn` is bound to -// `context` if given. When `immediate` is set, `fn` is called immediately if -// the browser doesn't have native support for -// [`window.requestAnimationFrame`](https://developer.mozilla.org/docs/Web/API/window/requestAnimationFrame), -// otherwise it's delayed. Returns a request ID that can be used to cancel the request. -function requestAnimFrame(fn, context, immediate) { - if (immediate && requestFn === timeoutDefer) { - fn.call(context); - } else { - return requestFn.call(window, bind(fn, context)); - } -} - -// @function cancelAnimFrame(id: Number): undefined -// Cancels a previous `requestAnimFrame`. See also [window.cancelAnimationFrame](https://developer.mozilla.org/docs/Web/API/window/cancelAnimationFrame). -function cancelAnimFrame(id) { - if (id) { - cancelFn.call(window, id); - } -} - -var Util = { - __proto__: null, - extend: extend, - create: create$2, - bind: bind, - get lastId () { return lastId; }, - stamp: stamp, - throttle: throttle, - wrapNum: wrapNum, - falseFn: falseFn, - formatNum: formatNum, - trim: trim, - splitWords: splitWords, - setOptions: setOptions, - getParamString: getParamString, - template: template, - isArray: isArray, - indexOf: indexOf, - emptyImageUrl: emptyImageUrl, - requestFn: requestFn, - cancelFn: cancelFn, - requestAnimFrame: requestAnimFrame, - cancelAnimFrame: cancelAnimFrame -}; - -// @class Class -// @aka L.Class - -// @section -// @uninheritable - -// Thanks to John Resig and Dean Edwards for inspiration! - -function Class() {} - -Class.extend = function (props) { - - // @function extend(props: Object): Function - // [Extends the current class](#class-inheritance) given the properties to be included. - // Returns a Javascript function that is a class constructor (to be called with `new`). - var NewClass = function () { - - setOptions(this); - - // call the constructor - if (this.initialize) { - this.initialize.apply(this, arguments); - } - - // call all constructor hooks - this.callInitHooks(); - }; - - var parentProto = NewClass.__super__ = this.prototype; - - var proto = create$2(parentProto); - proto.constructor = NewClass; - - NewClass.prototype = proto; - - // inherit parent's statics - for (var i in this) { - if (Object.prototype.hasOwnProperty.call(this, i) && i !== 'prototype' && i !== '__super__') { - NewClass[i] = this[i]; - } - } - - // mix static properties into the class - if (props.statics) { - extend(NewClass, props.statics); - } - - // mix includes into the prototype - if (props.includes) { - checkDeprecatedMixinEvents(props.includes); - extend.apply(null, [proto].concat(props.includes)); - } - - // mix given properties into the prototype - extend(proto, props); - delete proto.statics; - delete proto.includes; - - // merge options - if (proto.options) { - proto.options = parentProto.options ? create$2(parentProto.options) : {}; - extend(proto.options, props.options); - } - - proto._initHooks = []; - - // add method for calling all hooks - proto.callInitHooks = function () { - - if (this._initHooksCalled) { return; } - - if (parentProto.callInitHooks) { - parentProto.callInitHooks.call(this); - } - - this._initHooksCalled = true; - - for (var i = 0, len = proto._initHooks.length; i < len; i++) { - proto._initHooks[i].call(this); - } - }; - - return NewClass; -}; - - -// @function include(properties: Object): this -// [Includes a mixin](#class-includes) into the current class. -Class.include = function (props) { - var parentOptions = this.prototype.options; - extend(this.prototype, props); - if (props.options) { - this.prototype.options = parentOptions; - this.mergeOptions(props.options); - } - return this; -}; - -// @function mergeOptions(options: Object): this -// [Merges `options`](#class-options) into the defaults of the class. -Class.mergeOptions = function (options) { - extend(this.prototype.options, options); - return this; -}; - -// @function addInitHook(fn: Function): this -// Adds a [constructor hook](#class-constructor-hooks) to the class. -Class.addInitHook = function (fn) { // (Function) || (String, args...) - var args = Array.prototype.slice.call(arguments, 1); - - var init = typeof fn === 'function' ? fn : function () { - this[fn].apply(this, args); - }; - - this.prototype._initHooks = this.prototype._initHooks || []; - this.prototype._initHooks.push(init); - return this; -}; - -function checkDeprecatedMixinEvents(includes) { - /* global L: true */ - if (typeof L === 'undefined' || !L || !L.Mixin) { return; } - - includes = isArray(includes) ? includes : [includes]; - - for (var i = 0; i < includes.length; i++) { - if (includes[i] === L.Mixin.Events) { - console.warn('Deprecated include of L.Mixin.Events: ' + - 'this property will be removed in future releases, ' + - 'please inherit from L.Evented instead.', new Error().stack); - } - } -} - -/* - * @class Evented - * @aka L.Evented - * @inherits Class - * - * A set of methods shared between event-powered classes (like `Map` and `Marker`). Generally, events allow you to execute some function when something happens with an object (e.g. the user clicks on the map, causing the map to fire `'click'` event). - * - * @example - * - * ```js - * map.on('click', function(e) { - * alert(e.latlng); - * } ); - * ``` - * - * Leaflet deals with event listeners by reference, so if you want to add a listener and then remove it, define it as a function: - * - * ```js - * function onClick(e) { ... } - * - * map.on('click', onClick); - * map.off('click', onClick); - * ``` - */ - -var Events = { - /* @method on(type: String, fn: Function, context?: Object): this - * Adds a listener function (`fn`) to a particular event type of the object. You can optionally specify the context of the listener (object the this keyword will point to). You can also pass several space-separated types (e.g. `'click dblclick'`). - * - * @alternative - * @method on(eventMap: Object): this - * Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}` - */ - on: function (types, fn, context) { - - // types can be a map of types/handlers - if (typeof types === 'object') { - for (var type in types) { - // we don't process space-separated events here for performance; - // it's a hot path since Layer uses the on(obj) syntax - this._on(type, types[type], fn); - } - - } else { - // types can be a string of space-separated words - types = splitWords(types); - - for (var i = 0, len = types.length; i < len; i++) { - this._on(types[i], fn, context); - } - } - - return this; - }, - - /* @method off(type: String, fn?: Function, context?: Object): this - * Removes a previously added listener function. If no function is specified, it will remove all the listeners of that particular event from the object. Note that if you passed a custom context to `on`, you must pass the same context to `off` in order to remove the listener. - * - * @alternative - * @method off(eventMap: Object): this - * Removes a set of type/listener pairs. - * - * @alternative - * @method off: this - * Removes all listeners to all events on the object. This includes implicitly attached events. - */ - off: function (types, fn, context) { - - if (!arguments.length) { - // clear all listeners if called without arguments - delete this._events; - - } else if (typeof types === 'object') { - for (var type in types) { - this._off(type, types[type], fn); - } - - } else { - types = splitWords(types); - - var removeAll = arguments.length === 1; - for (var i = 0, len = types.length; i < len; i++) { - if (removeAll) { - this._off(types[i]); - } else { - this._off(types[i], fn, context); - } - } - } - - return this; - }, - - // attach listener (without syntactic sugar now) - _on: function (type, fn, context, _once) { - if (typeof fn !== 'function') { - console.warn('wrong listener type: ' + typeof fn); - return; - } - - // check if fn already there - if (this._listens(type, fn, context) !== false) { - return; - } - - if (context === this) { - // Less memory footprint. - context = undefined; - } - - var newListener = {fn: fn, ctx: context}; - if (_once) { - newListener.once = true; - } - - this._events = this._events || {}; - this._events[type] = this._events[type] || []; - this._events[type].push(newListener); - }, - - _off: function (type, fn, context) { - var listeners, - i, - len; - - if (!this._events) { - return; - } - - listeners = this._events[type]; - if (!listeners) { - return; - } - - if (arguments.length === 1) { // remove all - if (this._firingCount) { - // Set all removed listeners to noop - // so they are not called if remove happens in fire - for (i = 0, len = listeners.length; i < len; i++) { - listeners[i].fn = falseFn; - } - } - // clear all listeners for a type if function isn't specified - delete this._events[type]; - return; - } - - if (typeof fn !== 'function') { - console.warn('wrong listener type: ' + typeof fn); - return; - } - - // find fn and remove it - var index = this._listens(type, fn, context); - if (index !== false) { - var listener = listeners[index]; - if (this._firingCount) { - // set the removed listener to noop so that's not called if remove happens in fire - listener.fn = falseFn; - - /* copy array in case events are being fired */ - this._events[type] = listeners = listeners.slice(); - } - listeners.splice(index, 1); - } - }, - - // @method fire(type: String, data?: Object, propagate?: Boolean): this - // Fires an event of the specified type. You can optionally provide a data - // object — the first argument of the listener function will contain its - // properties. The event can optionally be propagated to event parents. - fire: function (type, data, propagate) { - if (!this.listens(type, propagate)) { return this; } - - var event = extend({}, data, { - type: type, - target: this, - sourceTarget: data && data.sourceTarget || this - }); - - if (this._events) { - var listeners = this._events[type]; - if (listeners) { - this._firingCount = (this._firingCount + 1) || 1; - for (var i = 0, len = listeners.length; i < len; i++) { - var l = listeners[i]; - // off overwrites l.fn, so we need to copy fn to a var - var fn = l.fn; - if (l.once) { - this.off(type, fn, l.ctx); - } - fn.call(l.ctx || this, event); - } - - this._firingCount--; - } - } - - if (propagate) { - // propagate the event to parents (set with addEventParent) - this._propagateEvent(event); - } - - return this; - }, - - // @method listens(type: String, propagate?: Boolean): Boolean - // @method listens(type: String, fn: Function, context?: Object, propagate?: Boolean): Boolean - // Returns `true` if a particular event type has any listeners attached to it. - // The verification can optionally be propagated, it will return `true` if parents have the listener attached to it. - listens: function (type, fn, context, propagate) { - if (typeof type !== 'string') { - console.warn('"string" type argument expected'); - } - - // we don't overwrite the input `fn` value, because we need to use it for propagation - var _fn = fn; - if (typeof fn !== 'function') { - propagate = !!fn; - _fn = undefined; - context = undefined; - } - - var listeners = this._events && this._events[type]; - if (listeners && listeners.length) { - if (this._listens(type, _fn, context) !== false) { - return true; - } - } - - if (propagate) { - // also check parents for listeners if event propagates - for (var id in this._eventParents) { - if (this._eventParents[id].listens(type, fn, context, propagate)) { return true; } - } - } - return false; - }, - - // returns the index (number) or false - _listens: function (type, fn, context) { - if (!this._events) { - return false; - } - - var listeners = this._events[type] || []; - if (!fn) { - return !!listeners.length; - } - - if (context === this) { - // Less memory footprint. - context = undefined; - } - - for (var i = 0, len = listeners.length; i < len; i++) { - if (listeners[i].fn === fn && listeners[i].ctx === context) { - return i; - } - } - return false; - - }, - - // @method once(…): this - // Behaves as [`on(…)`](#evented-on), except the listener will only get fired once and then removed. - once: function (types, fn, context) { - - // types can be a map of types/handlers - if (typeof types === 'object') { - for (var type in types) { - // we don't process space-separated events here for performance; - // it's a hot path since Layer uses the on(obj) syntax - this._on(type, types[type], fn, true); - } - - } else { - // types can be a string of space-separated words - types = splitWords(types); - - for (var i = 0, len = types.length; i < len; i++) { - this._on(types[i], fn, context, true); - } - } - - return this; - }, - - // @method addEventParent(obj: Evented): this - // Adds an event parent - an `Evented` that will receive propagated events - addEventParent: function (obj) { - this._eventParents = this._eventParents || {}; - this._eventParents[stamp(obj)] = obj; - return this; - }, - - // @method removeEventParent(obj: Evented): this - // Removes an event parent, so it will stop receiving propagated events - removeEventParent: function (obj) { - if (this._eventParents) { - delete this._eventParents[stamp(obj)]; - } - return this; - }, - - _propagateEvent: function (e) { - for (var id in this._eventParents) { - this._eventParents[id].fire(e.type, extend({ - layer: e.target, - propagatedFrom: e.target - }, e), true); - } - } -}; - -// aliases; we should ditch those eventually - -// @method addEventListener(…): this -// Alias to [`on(…)`](#evented-on) -Events.addEventListener = Events.on; - -// @method removeEventListener(…): this -// Alias to [`off(…)`](#evented-off) - -// @method clearAllEventListeners(…): this -// Alias to [`off()`](#evented-off) -Events.removeEventListener = Events.clearAllEventListeners = Events.off; - -// @method addOneTimeEventListener(…): this -// Alias to [`once(…)`](#evented-once) -Events.addOneTimeEventListener = Events.once; - -// @method fireEvent(…): this -// Alias to [`fire(…)`](#evented-fire) -Events.fireEvent = Events.fire; - -// @method hasEventListeners(…): Boolean -// Alias to [`listens(…)`](#evented-listens) -Events.hasEventListeners = Events.listens; - -var Evented = Class.extend(Events); - -/* - * @class Point - * @aka L.Point - * - * Represents a point with `x` and `y` coordinates in pixels. - * - * @example - * - * ```js - * var point = L.point(200, 300); - * ``` - * - * All Leaflet methods and options that accept `Point` objects also accept them in a simple Array form (unless noted otherwise), so these lines are equivalent: - * - * ```js - * map.panBy([200, 300]); - * map.panBy(L.point(200, 300)); - * ``` - * - * Note that `Point` does not inherit from Leaflet's `Class` object, - * which means new classes can't inherit from it, and new methods - * can't be added to it with the `include` function. - */ - -function Point(x, y, round) { - // @property x: Number; The `x` coordinate of the point - this.x = (round ? Math.round(x) : x); - // @property y: Number; The `y` coordinate of the point - this.y = (round ? Math.round(y) : y); -} - -var trunc = Math.trunc || function (v) { - return v > 0 ? Math.floor(v) : Math.ceil(v); -}; - -Point.prototype = { - - // @method clone(): Point - // Returns a copy of the current point. - clone: function () { - return new Point(this.x, this.y); - }, - - // @method add(otherPoint: Point): Point - // Returns the result of addition of the current and the given points. - add: function (point) { - // non-destructive, returns a new point - return this.clone()._add(toPoint(point)); - }, - - _add: function (point) { - // destructive, used directly for performance in situations where it's safe to modify existing point - this.x += point.x; - this.y += point.y; - return this; - }, - - // @method subtract(otherPoint: Point): Point - // Returns the result of subtraction of the given point from the current. - subtract: function (point) { - return this.clone()._subtract(toPoint(point)); - }, - - _subtract: function (point) { - this.x -= point.x; - this.y -= point.y; - return this; - }, - - // @method divideBy(num: Number): Point - // Returns the result of division of the current point by the given number. - divideBy: function (num) { - return this.clone()._divideBy(num); - }, - - _divideBy: function (num) { - this.x /= num; - this.y /= num; - return this; - }, - - // @method multiplyBy(num: Number): Point - // Returns the result of multiplication of the current point by the given number. - multiplyBy: function (num) { - return this.clone()._multiplyBy(num); - }, - - _multiplyBy: function (num) { - this.x *= num; - this.y *= num; - return this; - }, - - // @method scaleBy(scale: Point): Point - // Multiply each coordinate of the current point by each coordinate of - // `scale`. In linear algebra terms, multiply the point by the - // [scaling matrix](https://en.wikipedia.org/wiki/Scaling_%28geometry%29#Matrix_representation) - // defined by `scale`. - scaleBy: function (point) { - return new Point(this.x * point.x, this.y * point.y); - }, - - // @method unscaleBy(scale: Point): Point - // Inverse of `scaleBy`. Divide each coordinate of the current point by - // each coordinate of `scale`. - unscaleBy: function (point) { - return new Point(this.x / point.x, this.y / point.y); - }, - - // @method round(): Point - // Returns a copy of the current point with rounded coordinates. - round: function () { - return this.clone()._round(); - }, - - _round: function () { - this.x = Math.round(this.x); - this.y = Math.round(this.y); - return this; - }, - - // @method floor(): Point - // Returns a copy of the current point with floored coordinates (rounded down). - floor: function () { - return this.clone()._floor(); - }, - - _floor: function () { - this.x = Math.floor(this.x); - this.y = Math.floor(this.y); - return this; - }, - - // @method ceil(): Point - // Returns a copy of the current point with ceiled coordinates (rounded up). - ceil: function () { - return this.clone()._ceil(); - }, - - _ceil: function () { - this.x = Math.ceil(this.x); - this.y = Math.ceil(this.y); - return this; - }, - - // @method trunc(): Point - // Returns a copy of the current point with truncated coordinates (rounded towards zero). - trunc: function () { - return this.clone()._trunc(); - }, - - _trunc: function () { - this.x = trunc(this.x); - this.y = trunc(this.y); - return this; - }, - - // @method distanceTo(otherPoint: Point): Number - // Returns the cartesian distance between the current and the given points. - distanceTo: function (point) { - point = toPoint(point); - - var x = point.x - this.x, - y = point.y - this.y; - - return Math.sqrt(x * x + y * y); - }, - - // @method equals(otherPoint: Point): Boolean - // Returns `true` if the given point has the same coordinates. - equals: function (point) { - point = toPoint(point); - - return point.x === this.x && - point.y === this.y; - }, - - // @method contains(otherPoint: Point): Boolean - // Returns `true` if both coordinates of the given point are less than the corresponding current point coordinates (in absolute values). - contains: function (point) { - point = toPoint(point); - - return Math.abs(point.x) <= Math.abs(this.x) && - Math.abs(point.y) <= Math.abs(this.y); - }, - - // @method toString(): String - // Returns a string representation of the point for debugging purposes. - toString: function () { - return 'Point(' + - formatNum(this.x) + ', ' + - formatNum(this.y) + ')'; - } -}; - -// @factory L.point(x: Number, y: Number, round?: Boolean) -// Creates a Point object with the given `x` and `y` coordinates. If optional `round` is set to true, rounds the `x` and `y` values. - -// @alternative -// @factory L.point(coords: Number[]) -// Expects an array of the form `[x, y]` instead. - -// @alternative -// @factory L.point(coords: Object) -// Expects a plain object of the form `{x: Number, y: Number}` instead. -function toPoint(x, y, round) { - if (x instanceof Point) { - return x; - } - if (isArray(x)) { - return new Point(x[0], x[1]); - } - if (x === undefined || x === null) { - return x; - } - if (typeof x === 'object' && 'x' in x && 'y' in x) { - return new Point(x.x, x.y); - } - return new Point(x, y, round); -} - -/* - * @class Bounds - * @aka L.Bounds - * - * Represents a rectangular area in pixel coordinates. - * - * @example - * - * ```js - * var p1 = L.point(10, 10), - * p2 = L.point(40, 60), - * bounds = L.bounds(p1, p2); - * ``` - * - * All Leaflet methods that accept `Bounds` objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this: - * - * ```js - * otherBounds.intersects([[10, 10], [40, 60]]); - * ``` - * - * Note that `Bounds` does not inherit from Leaflet's `Class` object, - * which means new classes can't inherit from it, and new methods - * can't be added to it with the `include` function. - */ - -function Bounds(a, b) { - if (!a) { return; } - - var points = b ? [a, b] : a; - - for (var i = 0, len = points.length; i < len; i++) { - this.extend(points[i]); - } -} - -Bounds.prototype = { - // @method extend(point: Point): this - // Extends the bounds to contain the given point. - - // @alternative - // @method extend(otherBounds: Bounds): this - // Extend the bounds to contain the given bounds - extend: function (obj) { - var min2, max2; - if (!obj) { return this; } - - if (obj instanceof Point || typeof obj[0] === 'number' || 'x' in obj) { - min2 = max2 = toPoint(obj); - } else { - obj = toBounds(obj); - min2 = obj.min; - max2 = obj.max; - - if (!min2 || !max2) { return this; } - } - - // @property min: Point - // The top left corner of the rectangle. - // @property max: Point - // The bottom right corner of the rectangle. - if (!this.min && !this.max) { - this.min = min2.clone(); - this.max = max2.clone(); - } else { - this.min.x = Math.min(min2.x, this.min.x); - this.max.x = Math.max(max2.x, this.max.x); - this.min.y = Math.min(min2.y, this.min.y); - this.max.y = Math.max(max2.y, this.max.y); - } - return this; - }, - - // @method getCenter(round?: Boolean): Point - // Returns the center point of the bounds. - getCenter: function (round) { - return toPoint( - (this.min.x + this.max.x) / 2, - (this.min.y + this.max.y) / 2, round); - }, - - // @method getBottomLeft(): Point - // Returns the bottom-left point of the bounds. - getBottomLeft: function () { - return toPoint(this.min.x, this.max.y); - }, - - // @method getTopRight(): Point - // Returns the top-right point of the bounds. - getTopRight: function () { // -> Point - return toPoint(this.max.x, this.min.y); - }, - - // @method getTopLeft(): Point - // Returns the top-left point of the bounds (i.e. [`this.min`](#bounds-min)). - getTopLeft: function () { - return this.min; // left, top - }, - - // @method getBottomRight(): Point - // Returns the bottom-right point of the bounds (i.e. [`this.max`](#bounds-max)). - getBottomRight: function () { - return this.max; // right, bottom - }, - - // @method getSize(): Point - // Returns the size of the given bounds - getSize: function () { - return this.max.subtract(this.min); - }, - - // @method contains(otherBounds: Bounds): Boolean - // Returns `true` if the rectangle contains the given one. - // @alternative - // @method contains(point: Point): Boolean - // Returns `true` if the rectangle contains the given point. - contains: function (obj) { - var min, max; - - if (typeof obj[0] === 'number' || obj instanceof Point) { - obj = toPoint(obj); - } else { - obj = toBounds(obj); - } - - if (obj instanceof Bounds) { - min = obj.min; - max = obj.max; - } else { - min = max = obj; - } - - return (min.x >= this.min.x) && - (max.x <= this.max.x) && - (min.y >= this.min.y) && - (max.y <= this.max.y); - }, - - // @method intersects(otherBounds: Bounds): Boolean - // Returns `true` if the rectangle intersects the given bounds. Two bounds - // intersect if they have at least one point in common. - intersects: function (bounds) { // (Bounds) -> Boolean - bounds = toBounds(bounds); - - var min = this.min, - max = this.max, - min2 = bounds.min, - max2 = bounds.max, - xIntersects = (max2.x >= min.x) && (min2.x <= max.x), - yIntersects = (max2.y >= min.y) && (min2.y <= max.y); - - return xIntersects && yIntersects; - }, - - // @method overlaps(otherBounds: Bounds): Boolean - // Returns `true` if the rectangle overlaps the given bounds. Two bounds - // overlap if their intersection is an area. - overlaps: function (bounds) { // (Bounds) -> Boolean - bounds = toBounds(bounds); - - var min = this.min, - max = this.max, - min2 = bounds.min, - max2 = bounds.max, - xOverlaps = (max2.x > min.x) && (min2.x < max.x), - yOverlaps = (max2.y > min.y) && (min2.y < max.y); - - return xOverlaps && yOverlaps; - }, - - // @method isValid(): Boolean - // Returns `true` if the bounds are properly initialized. - isValid: function () { - return !!(this.min && this.max); - }, - - - // @method pad(bufferRatio: Number): Bounds - // Returns bounds created by extending or retracting the current bounds by a given ratio in each direction. - // For example, a ratio of 0.5 extends the bounds by 50% in each direction. - // Negative values will retract the bounds. - pad: function (bufferRatio) { - var min = this.min, - max = this.max, - heightBuffer = Math.abs(min.x - max.x) * bufferRatio, - widthBuffer = Math.abs(min.y - max.y) * bufferRatio; - - - return toBounds( - toPoint(min.x - heightBuffer, min.y - widthBuffer), - toPoint(max.x + heightBuffer, max.y + widthBuffer)); - }, - - - // @method equals(otherBounds: Bounds): Boolean - // Returns `true` if the rectangle is equivalent to the given bounds. - equals: function (bounds) { - if (!bounds) { return false; } - - bounds = toBounds(bounds); - - return this.min.equals(bounds.getTopLeft()) && - this.max.equals(bounds.getBottomRight()); - }, -}; - - -// @factory L.bounds(corner1: Point, corner2: Point) -// Creates a Bounds object from two corners coordinate pairs. -// @alternative -// @factory L.bounds(points: Point[]) -// Creates a Bounds object from the given array of points. -function toBounds(a, b) { - if (!a || a instanceof Bounds) { - return a; - } - return new Bounds(a, b); -} - -/* - * @class LatLngBounds - * @aka L.LatLngBounds - * - * Represents a rectangular geographical area on a map. - * - * @example - * - * ```js - * var corner1 = L.latLng(40.712, -74.227), - * corner2 = L.latLng(40.774, -74.125), - * bounds = L.latLngBounds(corner1, corner2); - * ``` - * - * All Leaflet methods that accept LatLngBounds objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this: - * - * ```js - * map.fitBounds([ - * [40.712, -74.227], - * [40.774, -74.125] - * ]); - * ``` - * - * Caution: if the area crosses the antimeridian (often confused with the International Date Line), you must specify corners _outside_ the [-180, 180] degrees longitude range. - * - * Note that `LatLngBounds` does not inherit from Leaflet's `Class` object, - * which means new classes can't inherit from it, and new methods - * can't be added to it with the `include` function. - */ - -function LatLngBounds(corner1, corner2) { // (LatLng, LatLng) or (LatLng[]) - if (!corner1) { return; } - - var latlngs = corner2 ? [corner1, corner2] : corner1; - - for (var i = 0, len = latlngs.length; i < len; i++) { - this.extend(latlngs[i]); - } -} - -LatLngBounds.prototype = { - - // @method extend(latlng: LatLng): this - // Extend the bounds to contain the given point - - // @alternative - // @method extend(otherBounds: LatLngBounds): this - // Extend the bounds to contain the given bounds - extend: function (obj) { - var sw = this._southWest, - ne = this._northEast, - sw2, ne2; - - if (obj instanceof LatLng) { - sw2 = obj; - ne2 = obj; - - } else if (obj instanceof LatLngBounds) { - sw2 = obj._southWest; - ne2 = obj._northEast; - - if (!sw2 || !ne2) { return this; } - - } else { - return obj ? this.extend(toLatLng(obj) || toLatLngBounds(obj)) : this; - } - - if (!sw && !ne) { - this._southWest = new LatLng(sw2.lat, sw2.lng); - this._northEast = new LatLng(ne2.lat, ne2.lng); - } else { - sw.lat = Math.min(sw2.lat, sw.lat); - sw.lng = Math.min(sw2.lng, sw.lng); - ne.lat = Math.max(ne2.lat, ne.lat); - ne.lng = Math.max(ne2.lng, ne.lng); - } - - return this; - }, - - // @method pad(bufferRatio: Number): LatLngBounds - // Returns bounds created by extending or retracting the current bounds by a given ratio in each direction. - // For example, a ratio of 0.5 extends the bounds by 50% in each direction. - // Negative values will retract the bounds. - pad: function (bufferRatio) { - var sw = this._southWest, - ne = this._northEast, - heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio, - widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio; - - return new LatLngBounds( - new LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer), - new LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer)); - }, - - // @method getCenter(): LatLng - // Returns the center point of the bounds. - getCenter: function () { - return new LatLng( - (this._southWest.lat + this._northEast.lat) / 2, - (this._southWest.lng + this._northEast.lng) / 2); - }, - - // @method getSouthWest(): LatLng - // Returns the south-west point of the bounds. - getSouthWest: function () { - return this._southWest; - }, - - // @method getNorthEast(): LatLng - // Returns the north-east point of the bounds. - getNorthEast: function () { - return this._northEast; - }, - - // @method getNorthWest(): LatLng - // Returns the north-west point of the bounds. - getNorthWest: function () { - return new LatLng(this.getNorth(), this.getWest()); - }, - - // @method getSouthEast(): LatLng - // Returns the south-east point of the bounds. - getSouthEast: function () { - return new LatLng(this.getSouth(), this.getEast()); - }, - - // @method getWest(): Number - // Returns the west longitude of the bounds - getWest: function () { - return this._southWest.lng; - }, - - // @method getSouth(): Number - // Returns the south latitude of the bounds - getSouth: function () { - return this._southWest.lat; - }, - - // @method getEast(): Number - // Returns the east longitude of the bounds - getEast: function () { - return this._northEast.lng; - }, - - // @method getNorth(): Number - // Returns the north latitude of the bounds - getNorth: function () { - return this._northEast.lat; - }, - - // @method contains(otherBounds: LatLngBounds): Boolean - // Returns `true` if the rectangle contains the given one. - - // @alternative - // @method contains (latlng: LatLng): Boolean - // Returns `true` if the rectangle contains the given point. - contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean - if (typeof obj[0] === 'number' || obj instanceof LatLng || 'lat' in obj) { - obj = toLatLng(obj); - } else { - obj = toLatLngBounds(obj); - } - - var sw = this._southWest, - ne = this._northEast, - sw2, ne2; - - if (obj instanceof LatLngBounds) { - sw2 = obj.getSouthWest(); - ne2 = obj.getNorthEast(); - } else { - sw2 = ne2 = obj; - } - - return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) && - (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng); - }, - - // @method intersects(otherBounds: LatLngBounds): Boolean - // Returns `true` if the rectangle intersects the given bounds. Two bounds intersect if they have at least one point in common. - intersects: function (bounds) { - bounds = toLatLngBounds(bounds); - - var sw = this._southWest, - ne = this._northEast, - sw2 = bounds.getSouthWest(), - ne2 = bounds.getNorthEast(), - - latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat), - lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng); - - return latIntersects && lngIntersects; - }, - - // @method overlaps(otherBounds: LatLngBounds): Boolean - // Returns `true` if the rectangle overlaps the given bounds. Two bounds overlap if their intersection is an area. - overlaps: function (bounds) { - bounds = toLatLngBounds(bounds); - - var sw = this._southWest, - ne = this._northEast, - sw2 = bounds.getSouthWest(), - ne2 = bounds.getNorthEast(), - - latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat), - lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng); - - return latOverlaps && lngOverlaps; - }, - - // @method toBBoxString(): String - // Returns a string with bounding box coordinates in a 'southwest_lng,southwest_lat,northeast_lng,northeast_lat' format. Useful for sending requests to web services that return geo data. - toBBoxString: function () { - return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(','); - }, - - // @method equals(otherBounds: LatLngBounds, maxMargin?: Number): Boolean - // Returns `true` if the rectangle is equivalent (within a small margin of error) to the given bounds. The margin of error can be overridden by setting `maxMargin` to a small number. - equals: function (bounds, maxMargin) { - if (!bounds) { return false; } - - bounds = toLatLngBounds(bounds); - - return this._southWest.equals(bounds.getSouthWest(), maxMargin) && - this._northEast.equals(bounds.getNorthEast(), maxMargin); - }, - - // @method isValid(): Boolean - // Returns `true` if the bounds are properly initialized. - isValid: function () { - return !!(this._southWest && this._northEast); - } -}; - -// TODO International date line? - -// @factory L.latLngBounds(corner1: LatLng, corner2: LatLng) -// Creates a `LatLngBounds` object by defining two diagonally opposite corners of the rectangle. - -// @alternative -// @factory L.latLngBounds(latlngs: LatLng[]) -// Creates a `LatLngBounds` object defined by the geographical points it contains. Very useful for zooming the map to fit a particular set of locations with [`fitBounds`](#map-fitbounds). -function toLatLngBounds(a, b) { - if (a instanceof LatLngBounds) { - return a; - } - return new LatLngBounds(a, b); -} - -/* @class LatLng - * @aka L.LatLng - * - * Represents a geographical point with a certain latitude and longitude. - * - * @example - * - * ``` - * var latlng = L.latLng(50.5, 30.5); - * ``` - * - * All Leaflet methods that accept LatLng objects also accept them in a simple Array form and simple object form (unless noted otherwise), so these lines are equivalent: - * - * ``` - * map.panTo([50, 30]); - * map.panTo({lon: 30, lat: 50}); - * map.panTo({lat: 50, lng: 30}); - * map.panTo(L.latLng(50, 30)); - * ``` - * - * Note that `LatLng` does not inherit from Leaflet's `Class` object, - * which means new classes can't inherit from it, and new methods - * can't be added to it with the `include` function. - */ - -function LatLng(lat, lng, alt) { - if (isNaN(lat) || isNaN(lng)) { - throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')'); - } - - // @property lat: Number - // Latitude in degrees - this.lat = +lat; - - // @property lng: Number - // Longitude in degrees - this.lng = +lng; - - // @property alt: Number - // Altitude in meters (optional) - if (alt !== undefined) { - this.alt = +alt; - } -} - -LatLng.prototype = { - // @method equals(otherLatLng: LatLng, maxMargin?: Number): Boolean - // Returns `true` if the given `LatLng` point is at the same position (within a small margin of error). The margin of error can be overridden by setting `maxMargin` to a small number. - equals: function (obj, maxMargin) { - if (!obj) { return false; } - - obj = toLatLng(obj); - - var margin = Math.max( - Math.abs(this.lat - obj.lat), - Math.abs(this.lng - obj.lng)); - - return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin); - }, - - // @method toString(): String - // Returns a string representation of the point (for debugging purposes). - toString: function (precision) { - return 'LatLng(' + - formatNum(this.lat, precision) + ', ' + - formatNum(this.lng, precision) + ')'; - }, - - // @method distanceTo(otherLatLng: LatLng): Number - // Returns the distance (in meters) to the given `LatLng` calculated using the [Spherical Law of Cosines](https://en.wikipedia.org/wiki/Spherical_law_of_cosines). - distanceTo: function (other) { - return Earth.distance(this, toLatLng(other)); - }, - - // @method wrap(): LatLng - // Returns a new `LatLng` object with the longitude wrapped so it's always between -180 and +180 degrees. - wrap: function () { - return Earth.wrapLatLng(this); - }, - - // @method toBounds(sizeInMeters: Number): LatLngBounds - // Returns a new `LatLngBounds` object in which each boundary is `sizeInMeters/2` meters apart from the `LatLng`. - toBounds: function (sizeInMeters) { - var latAccuracy = 180 * sizeInMeters / 40075017, - lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat); - - return toLatLngBounds( - [this.lat - latAccuracy, this.lng - lngAccuracy], - [this.lat + latAccuracy, this.lng + lngAccuracy]); - }, - - clone: function () { - return new LatLng(this.lat, this.lng, this.alt); - } -}; - - - -// @factory L.latLng(latitude: Number, longitude: Number, altitude?: Number): LatLng -// Creates an object representing a geographical point with the given latitude and longitude (and optionally altitude). - -// @alternative -// @factory L.latLng(coords: Array): LatLng -// Expects an array of the form `[Number, Number]` or `[Number, Number, Number]` instead. - -// @alternative -// @factory L.latLng(coords: Object): LatLng -// Expects an plain object of the form `{lat: Number, lng: Number}` or `{lat: Number, lng: Number, alt: Number}` instead. - -function toLatLng(a, b, c) { - if (a instanceof LatLng) { - return a; - } - if (isArray(a) && typeof a[0] !== 'object') { - if (a.length === 3) { - return new LatLng(a[0], a[1], a[2]); - } - if (a.length === 2) { - return new LatLng(a[0], a[1]); - } - return null; - } - if (a === undefined || a === null) { - return a; - } - if (typeof a === 'object' && 'lat' in a) { - return new LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt); - } - if (b === undefined) { - return null; - } - return new LatLng(a, b, c); -} - -/* - * @namespace CRS - * @crs L.CRS.Base - * Object that defines coordinate reference systems for projecting - * geographical points into pixel (screen) coordinates and back (and to - * coordinates in other units for [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services). See - * [spatial reference system](https://en.wikipedia.org/wiki/Spatial_reference_system). - * - * Leaflet defines the most usual CRSs by default. If you want to use a - * CRS not defined by default, take a look at the - * [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet) plugin. - * - * Note that the CRS instances do not inherit from Leaflet's `Class` object, - * and can't be instantiated. Also, new classes can't inherit from them, - * and methods can't be added to them with the `include` function. - */ - -var CRS = { - // @method latLngToPoint(latlng: LatLng, zoom: Number): Point - // Projects geographical coordinates into pixel coordinates for a given zoom. - latLngToPoint: function (latlng, zoom) { - var projectedPoint = this.projection.project(latlng), - scale = this.scale(zoom); - - return this.transformation._transform(projectedPoint, scale); - }, - - // @method pointToLatLng(point: Point, zoom: Number): LatLng - // The inverse of `latLngToPoint`. Projects pixel coordinates on a given - // zoom into geographical coordinates. - pointToLatLng: function (point, zoom) { - var scale = this.scale(zoom), - untransformedPoint = this.transformation.untransform(point, scale); - - return this.projection.unproject(untransformedPoint); - }, - - // @method project(latlng: LatLng): Point - // Projects geographical coordinates into coordinates in units accepted for - // this CRS (e.g. meters for EPSG:3857, for passing it to WMS services). - project: function (latlng) { - return this.projection.project(latlng); - }, - - // @method unproject(point: Point): LatLng - // Given a projected coordinate returns the corresponding LatLng. - // The inverse of `project`. - unproject: function (point) { - return this.projection.unproject(point); - }, - - // @method scale(zoom: Number): Number - // Returns the scale used when transforming projected coordinates into - // pixel coordinates for a particular zoom. For example, it returns - // `256 * 2^zoom` for Mercator-based CRS. - scale: function (zoom) { - return 256 * Math.pow(2, zoom); - }, - - // @method zoom(scale: Number): Number - // Inverse of `scale()`, returns the zoom level corresponding to a scale - // factor of `scale`. - zoom: function (scale) { - return Math.log(scale / 256) / Math.LN2; - }, - - // @method getProjectedBounds(zoom: Number): Bounds - // Returns the projection's bounds scaled and transformed for the provided `zoom`. - getProjectedBounds: function (zoom) { - if (this.infinite) { return null; } - - var b = this.projection.bounds, - s = this.scale(zoom), - min = this.transformation.transform(b.min, s), - max = this.transformation.transform(b.max, s); - - return new Bounds(min, max); - }, - - // @method distance(latlng1: LatLng, latlng2: LatLng): Number - // Returns the distance between two geographical coordinates. - - // @property code: String - // Standard code name of the CRS passed into WMS services (e.g. `'EPSG:3857'`) - // - // @property wrapLng: Number[] - // An array of two numbers defining whether the longitude (horizontal) coordinate - // axis wraps around a given range and how. Defaults to `[-180, 180]` in most - // geographical CRSs. If `undefined`, the longitude axis does not wrap around. - // - // @property wrapLat: Number[] - // Like `wrapLng`, but for the latitude (vertical) axis. - - // wrapLng: [min, max], - // wrapLat: [min, max], - - // @property infinite: Boolean - // If true, the coordinate space will be unbounded (infinite in both axes) - infinite: false, - - // @method wrapLatLng(latlng: LatLng): LatLng - // Returns a `LatLng` where lat and lng has been wrapped according to the - // CRS's `wrapLat` and `wrapLng` properties, if they are outside the CRS's bounds. - wrapLatLng: function (latlng) { - var lng = this.wrapLng ? wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng, - lat = this.wrapLat ? wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat, - alt = latlng.alt; - - return new LatLng(lat, lng, alt); - }, - - // @method wrapLatLngBounds(bounds: LatLngBounds): LatLngBounds - // Returns a `LatLngBounds` with the same size as the given one, ensuring - // that its center is within the CRS's bounds. - // Only accepts actual `L.LatLngBounds` instances, not arrays. - wrapLatLngBounds: function (bounds) { - var center = bounds.getCenter(), - newCenter = this.wrapLatLng(center), - latShift = center.lat - newCenter.lat, - lngShift = center.lng - newCenter.lng; - - if (latShift === 0 && lngShift === 0) { - return bounds; - } - - var sw = bounds.getSouthWest(), - ne = bounds.getNorthEast(), - newSw = new LatLng(sw.lat - latShift, sw.lng - lngShift), - newNe = new LatLng(ne.lat - latShift, ne.lng - lngShift); - - return new LatLngBounds(newSw, newNe); - } -}; - -/* - * @namespace CRS - * @crs L.CRS.Earth - * - * Serves as the base for CRS that are global such that they cover the earth. - * Can only be used as the base for other CRS and cannot be used directly, - * since it does not have a `code`, `projection` or `transformation`. `distance()` returns - * meters. - */ - -var Earth = extend({}, CRS, { - wrapLng: [-180, 180], - - // Mean Earth Radius, as recommended for use by - // the International Union of Geodesy and Geophysics, - // see https://rosettacode.org/wiki/Haversine_formula - R: 6371000, - - // distance between two geographical points using spherical law of cosines approximation - distance: function (latlng1, latlng2) { - var rad = Math.PI / 180, - lat1 = latlng1.lat * rad, - lat2 = latlng2.lat * rad, - sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2), - sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2), - a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon, - c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); - return this.R * c; - } -}); - -/* - * @namespace Projection - * @projection L.Projection.SphericalMercator - * - * Spherical Mercator projection — the most common projection for online maps, - * used by almost all free and commercial tile providers. Assumes that Earth is - * a sphere. Used by the `EPSG:3857` CRS. - */ - -var earthRadius = 6378137; - -var SphericalMercator = { - - R: earthRadius, - MAX_LATITUDE: 85.0511287798, - - project: function (latlng) { - var d = Math.PI / 180, - max = this.MAX_LATITUDE, - lat = Math.max(Math.min(max, latlng.lat), -max), - sin = Math.sin(lat * d); - - return new Point( - this.R * latlng.lng * d, - this.R * Math.log((1 + sin) / (1 - sin)) / 2); - }, - - unproject: function (point) { - var d = 180 / Math.PI; - - return new LatLng( - (2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d, - point.x * d / this.R); - }, - - bounds: (function () { - var d = earthRadius * Math.PI; - return new Bounds([-d, -d], [d, d]); - })() -}; - -/* - * @class Transformation - * @aka L.Transformation - * - * Represents an affine transformation: a set of coefficients `a`, `b`, `c`, `d` - * for transforming a point of a form `(x, y)` into `(a*x + b, c*y + d)` and doing - * the reverse. Used by Leaflet in its projections code. - * - * @example - * - * ```js - * var transformation = L.transformation(2, 5, -1, 10), - * p = L.point(1, 2), - * p2 = transformation.transform(p), // L.point(7, 8) - * p3 = transformation.untransform(p2); // L.point(1, 2) - * ``` - */ - - -// factory new L.Transformation(a: Number, b: Number, c: Number, d: Number) -// Creates a `Transformation` object with the given coefficients. -function Transformation(a, b, c, d) { - if (isArray(a)) { - // use array properties - this._a = a[0]; - this._b = a[1]; - this._c = a[2]; - this._d = a[3]; - return; - } - this._a = a; - this._b = b; - this._c = c; - this._d = d; -} - -Transformation.prototype = { - // @method transform(point: Point, scale?: Number): Point - // Returns a transformed point, optionally multiplied by the given scale. - // Only accepts actual `L.Point` instances, not arrays. - transform: function (point, scale) { // (Point, Number) -> Point - return this._transform(point.clone(), scale); - }, - - // destructive transform (faster) - _transform: function (point, scale) { - scale = scale || 1; - point.x = scale * (this._a * point.x + this._b); - point.y = scale * (this._c * point.y + this._d); - return point; - }, - - // @method untransform(point: Point, scale?: Number): Point - // Returns the reverse transformation of the given point, optionally divided - // by the given scale. Only accepts actual `L.Point` instances, not arrays. - untransform: function (point, scale) { - scale = scale || 1; - return new Point( - (point.x / scale - this._b) / this._a, - (point.y / scale - this._d) / this._c); - } -}; - -// factory L.transformation(a: Number, b: Number, c: Number, d: Number) - -// @factory L.transformation(a: Number, b: Number, c: Number, d: Number) -// Instantiates a Transformation object with the given coefficients. - -// @alternative -// @factory L.transformation(coefficients: Array): Transformation -// Expects an coefficients array of the form -// `[a: Number, b: Number, c: Number, d: Number]`. - -function toTransformation(a, b, c, d) { - return new Transformation(a, b, c, d); -} - -/* - * @namespace CRS - * @crs L.CRS.EPSG3857 - * - * The most common CRS for online maps, used by almost all free and commercial - * tile providers. Uses Spherical Mercator projection. Set in by default in - * Map's `crs` option. - */ - -var EPSG3857 = extend({}, Earth, { - code: 'EPSG:3857', - projection: SphericalMercator, - - transformation: (function () { - var scale = 0.5 / (Math.PI * SphericalMercator.R); - return toTransformation(scale, 0.5, -scale, 0.5); - }()) -}); - -var EPSG900913 = extend({}, EPSG3857, { - code: 'EPSG:900913' -}); - -// @namespace SVG; @section -// There are several static functions which can be called without instantiating L.SVG: - -// @function create(name: String): SVGElement -// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement), -// corresponding to the class name passed. For example, using 'line' will return -// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement). -function svgCreate(name) { - return document.createElementNS('http://www.w3.org/2000/svg', name); -} - -// @function pointsToPath(rings: Point[], closed: Boolean): String -// Generates a SVG path string for multiple rings, with each ring turning -// into "M..L..L.." instructions -function pointsToPath(rings, closed) { - var str = '', - i, j, len, len2, points, p; - - for (i = 0, len = rings.length; i < len; i++) { - points = rings[i]; - - for (j = 0, len2 = points.length; j < len2; j++) { - p = points[j]; - str += (j ? 'L' : 'M') + p.x + ' ' + p.y; - } - - // closes the ring for polygons; "x" is VML syntax - str += closed ? (Browser.svg ? 'z' : 'x') : ''; - } - - // SVG complains about empty path strings - return str || 'M0 0'; -} - -/* - * @namespace Browser - * @aka L.Browser - * - * A namespace with static properties for browser/feature detection used by Leaflet internally. - * - * @example - * - * ```js - * if (L.Browser.ielt9) { - * alert('Upgrade your browser, dude!'); - * } - * ``` - */ - -var style = document.documentElement.style; - -// @property ie: Boolean; `true` for all Internet Explorer versions (not Edge). -var ie = 'ActiveXObject' in window; - -// @property ielt9: Boolean; `true` for Internet Explorer versions less than 9. -var ielt9 = ie && !document.addEventListener; - -// @property edge: Boolean; `true` for the Edge web browser. -var edge = 'msLaunchUri' in navigator && !('documentMode' in document); - -// @property webkit: Boolean; -// `true` for webkit-based browsers like Chrome and Safari (including mobile versions). -var webkit = userAgentContains('webkit'); - -// @property android: Boolean -// **Deprecated.** `true` for any browser running on an Android platform. -var android = userAgentContains('android'); - -// @property android23: Boolean; **Deprecated.** `true` for browsers running on Android 2 or Android 3. -var android23 = userAgentContains('android 2') || userAgentContains('android 3'); - -/* See https://stackoverflow.com/a/17961266 for details on detecting stock Android */ -var webkitVer = parseInt(/WebKit\/([0-9]+)|$/.exec(navigator.userAgent)[1], 10); // also matches AppleWebKit -// @property androidStock: Boolean; **Deprecated.** `true` for the Android stock browser (i.e. not Chrome) -var androidStock = android && userAgentContains('Google') && webkitVer < 537 && !('AudioNode' in window); - -// @property opera: Boolean; `true` for the Opera browser -var opera = !!window.opera; - -// @property chrome: Boolean; `true` for the Chrome browser. -var chrome = !edge && userAgentContains('chrome'); - -// @property gecko: Boolean; `true` for gecko-based browsers like Firefox. -var gecko = userAgentContains('gecko') && !webkit && !opera && !ie; - -// @property safari: Boolean; `true` for the Safari browser. -var safari = !chrome && userAgentContains('safari'); - -var phantom = userAgentContains('phantom'); - -// @property opera12: Boolean -// `true` for the Opera browser supporting CSS transforms (version 12 or later). -var opera12 = 'OTransition' in style; - -// @property win: Boolean; `true` when the browser is running in a Windows platform -var win = navigator.platform.indexOf('Win') === 0; - -// @property ie3d: Boolean; `true` for all Internet Explorer versions supporting CSS transforms. -var ie3d = ie && ('transition' in style); - -// @property webkit3d: Boolean; `true` for webkit-based browsers supporting CSS transforms. -var webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23; - -// @property gecko3d: Boolean; `true` for gecko-based browsers supporting CSS transforms. -var gecko3d = 'MozPerspective' in style; - -// @property any3d: Boolean -// `true` for all browsers supporting CSS transforms. -var any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantom; - -// @property mobile: Boolean; `true` for all browsers running in a mobile device. -var mobile = typeof orientation !== 'undefined' || userAgentContains('mobile'); - -// @property mobileWebkit: Boolean; `true` for all webkit-based browsers in a mobile device. -var mobileWebkit = mobile && webkit; - -// @property mobileWebkit3d: Boolean -// `true` for all webkit-based browsers in a mobile device supporting CSS transforms. -var mobileWebkit3d = mobile && webkit3d; - -// @property msPointer: Boolean -// `true` for browsers implementing the Microsoft touch events model (notably IE10). -var msPointer = !window.PointerEvent && window.MSPointerEvent; - -// @property pointer: Boolean -// `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx). -var pointer = !!(window.PointerEvent || msPointer); - -// @property touchNative: Boolean -// `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events). -// **This does not necessarily mean** that the browser is running in a computer with -// a touchscreen, it only means that the browser is capable of understanding -// touch events. -var touchNative = 'ontouchstart' in window || !!window.TouchEvent; - -// @property touch: Boolean -// `true` for all browsers supporting either [touch](#browser-touch) or [pointer](#browser-pointer) events. -// Note: pointer events will be preferred (if available), and processed for all `touch*` listeners. -var touch = !window.L_NO_TOUCH && (touchNative || pointer); - -// @property mobileOpera: Boolean; `true` for the Opera browser in a mobile device. -var mobileOpera = mobile && opera; - -// @property mobileGecko: Boolean -// `true` for gecko-based browsers running in a mobile device. -var mobileGecko = mobile && gecko; - -// @property retina: Boolean -// `true` for browsers on a high-resolution "retina" screen or on any screen when browser's display zoom is more than 100%. -var retina = (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1; - -// @property passiveEvents: Boolean -// `true` for browsers that support passive events. -var passiveEvents = (function () { - var supportsPassiveOption = false; - try { - var opts = Object.defineProperty({}, 'passive', { - get: function () { // eslint-disable-line getter-return - supportsPassiveOption = true; - } - }); - window.addEventListener('testPassiveEventSupport', falseFn, opts); - window.removeEventListener('testPassiveEventSupport', falseFn, opts); - } catch (e) { - // Errors can safely be ignored since this is only a browser support test. - } - return supportsPassiveOption; -}()); - -// @property canvas: Boolean -// `true` when the browser supports [``](https://developer.mozilla.org/docs/Web/API/Canvas_API). -var canvas$1 = (function () { - return !!document.createElement('canvas').getContext; -}()); - -// @property svg: Boolean -// `true` when the browser supports [SVG](https://developer.mozilla.org/docs/Web/SVG). -var svg$1 = !!(document.createElementNS && svgCreate('svg').createSVGRect); - -var inlineSvg = !!svg$1 && (function () { - var div = document.createElement('div'); - div.innerHTML = ''; - return (div.firstChild && div.firstChild.namespaceURI) === 'http://www.w3.org/2000/svg'; -})(); - -// @property vml: Boolean -// `true` if the browser supports [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language). -var vml = !svg$1 && (function () { - try { - var div = document.createElement('div'); - div.innerHTML = ''; - - var shape = div.firstChild; - shape.style.behavior = 'url(#default#VML)'; - - return shape && (typeof shape.adj === 'object'); - - } catch (e) { - return false; - } -}()); - - -// @property mac: Boolean; `true` when the browser is running in a Mac platform -var mac = navigator.platform.indexOf('Mac') === 0; - -// @property mac: Boolean; `true` when the browser is running in a Linux platform -var linux = navigator.platform.indexOf('Linux') === 0; - -function userAgentContains(str) { - return navigator.userAgent.toLowerCase().indexOf(str) >= 0; -} - - -var Browser = { - ie: ie, - ielt9: ielt9, - edge: edge, - webkit: webkit, - android: android, - android23: android23, - androidStock: androidStock, - opera: opera, - chrome: chrome, - gecko: gecko, - safari: safari, - phantom: phantom, - opera12: opera12, - win: win, - ie3d: ie3d, - webkit3d: webkit3d, - gecko3d: gecko3d, - any3d: any3d, - mobile: mobile, - mobileWebkit: mobileWebkit, - mobileWebkit3d: mobileWebkit3d, - msPointer: msPointer, - pointer: pointer, - touch: touch, - touchNative: touchNative, - mobileOpera: mobileOpera, - mobileGecko: mobileGecko, - retina: retina, - passiveEvents: passiveEvents, - canvas: canvas$1, - svg: svg$1, - vml: vml, - inlineSvg: inlineSvg, - mac: mac, - linux: linux -}; - -/* - * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices. - */ - -var POINTER_DOWN = Browser.msPointer ? 'MSPointerDown' : 'pointerdown'; -var POINTER_MOVE = Browser.msPointer ? 'MSPointerMove' : 'pointermove'; -var POINTER_UP = Browser.msPointer ? 'MSPointerUp' : 'pointerup'; -var POINTER_CANCEL = Browser.msPointer ? 'MSPointerCancel' : 'pointercancel'; -var pEvent = { - touchstart : POINTER_DOWN, - touchmove : POINTER_MOVE, - touchend : POINTER_UP, - touchcancel : POINTER_CANCEL -}; -var handle = { - touchstart : _onPointerStart, - touchmove : _handlePointer, - touchend : _handlePointer, - touchcancel : _handlePointer -}; -var _pointers = {}; -var _pointerDocListener = false; - -// Provides a touch events wrapper for (ms)pointer events. -// ref https://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890 - -function addPointerListener(obj, type, handler) { - if (type === 'touchstart') { - _addPointerDocListener(); - } - if (!handle[type]) { - console.warn('wrong event specified:', type); - return falseFn; - } - handler = handle[type].bind(this, handler); - obj.addEventListener(pEvent[type], handler, false); - return handler; -} - -function removePointerListener(obj, type, handler) { - if (!pEvent[type]) { - console.warn('wrong event specified:', type); - return; - } - obj.removeEventListener(pEvent[type], handler, false); -} - -function _globalPointerDown(e) { - _pointers[e.pointerId] = e; -} - -function _globalPointerMove(e) { - if (_pointers[e.pointerId]) { - _pointers[e.pointerId] = e; - } -} - -function _globalPointerUp(e) { - delete _pointers[e.pointerId]; -} - -function _addPointerDocListener() { - // need to keep track of what pointers and how many are active to provide e.touches emulation - if (!_pointerDocListener) { - // we listen document as any drags that end by moving the touch off the screen get fired there - document.addEventListener(POINTER_DOWN, _globalPointerDown, true); - document.addEventListener(POINTER_MOVE, _globalPointerMove, true); - document.addEventListener(POINTER_UP, _globalPointerUp, true); - document.addEventListener(POINTER_CANCEL, _globalPointerUp, true); - - _pointerDocListener = true; - } -} - -function _handlePointer(handler, e) { - if (e.pointerType === (e.MSPOINTER_TYPE_MOUSE || 'mouse')) { return; } - - e.touches = []; - for (var i in _pointers) { - e.touches.push(_pointers[i]); - } - e.changedTouches = [e]; - - handler(e); -} - -function _onPointerStart(handler, e) { - // IE10 specific: MsTouch needs preventDefault. See #2000 - if (e.MSPOINTER_TYPE_TOUCH && e.pointerType === e.MSPOINTER_TYPE_TOUCH) { - preventDefault(e); - } - _handlePointer(handler, e); -} - -/* - * Extends the event handling code with double tap support for mobile browsers. - * - * Note: currently most browsers fire native dblclick, with only a few exceptions - * (see https://github.com/Leaflet/Leaflet/issues/7012#issuecomment-595087386) - */ - -function makeDblclick(event) { - // in modern browsers `type` cannot be just overridden: - // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only - var newEvent = {}, - prop, i; - for (i in event) { - prop = event[i]; - newEvent[i] = prop && prop.bind ? prop.bind(event) : prop; - } - event = newEvent; - newEvent.type = 'dblclick'; - newEvent.detail = 2; - newEvent.isTrusted = false; - newEvent._simulated = true; // for debug purposes - return newEvent; -} - -var delay = 200; -function addDoubleTapListener(obj, handler) { - // Most browsers handle double tap natively - obj.addEventListener('dblclick', handler); - - // On some platforms the browser doesn't fire native dblclicks for touch events. - // It seems that in all such cases `detail` property of `click` event is always `1`. - // So here we rely on that fact to avoid excessive 'dblclick' simulation when not needed. - var last = 0, - detail; - function simDblclick(e) { - if (e.detail !== 1) { - detail = e.detail; // keep in sync to avoid false dblclick in some cases - return; - } - - if (e.pointerType === 'mouse' || - (e.sourceCapabilities && !e.sourceCapabilities.firesTouchEvents)) { - - return; - } - - // When clicking on an , the browser generates a click on its - //