@sveltejs/kit
Version:
Here be dragons, etc etc.
831 lines (747 loc) • 88.9 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var fs = require('fs');
var Url = require('url');
var standard = require('./standard.js');
var http = require('http');
var crypto = require('crypto');
var Stream = require('stream');
var https = require('https');
var zlib = require('zlib');
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var Url__default = /*#__PURE__*/_interopDefaultLegacy(Url);
var http__default = /*#__PURE__*/_interopDefaultLegacy(http);
var Stream__default = /*#__PURE__*/_interopDefaultLegacy(Stream);
var https__default = /*#__PURE__*/_interopDefaultLegacy(https);
var zlib__default = /*#__PURE__*/_interopDefaultLegacy(zlib);
var chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_$';
var unsafeChars = /[<>\b\f\n\r\t\0\u2028\u2029]/g;
var reserved = /^(?:do|if|in|for|int|let|new|try|var|byte|case|char|else|enum|goto|long|this|void|with|await|break|catch|class|const|final|float|short|super|throw|while|yield|delete|double|export|import|native|return|switch|throws|typeof|boolean|default|extends|finally|package|private|abstract|continue|debugger|function|volatile|interface|protected|transient|implements|instanceof|synchronized)$/;
var escaped = {
'<': '\\u003C',
'>': '\\u003E',
'/': '\\u002F',
'\\': '\\\\',
'\b': '\\b',
'\f': '\\f',
'\n': '\\n',
'\r': '\\r',
'\t': '\\t',
'\0': '\\0',
'\u2028': '\\u2028',
'\u2029': '\\u2029'
};
var objectProtoOwnPropertyNames = Object.getOwnPropertyNames(Object.prototype).sort().join('\0');
function devalue(value) {
var counts = new Map();
function walk(thing) {
if (typeof thing === 'function') {
throw new Error("Cannot stringify a function");
}
if (counts.has(thing)) {
counts.set(thing, counts.get(thing) + 1);
return;
}
counts.set(thing, 1);
if (!isPrimitive(thing)) {
var type = getType(thing);
switch (type) {
case 'Number':
case 'String':
case 'Boolean':
case 'Date':
case 'RegExp':
return;
case 'Array':
thing.forEach(walk);
break;
case 'Set':
case 'Map':
Array.from(thing).forEach(walk);
break;
default:
var proto = Object.getPrototypeOf(thing);
if (proto !== Object.prototype &&
proto !== null &&
Object.getOwnPropertyNames(proto).sort().join('\0') !== objectProtoOwnPropertyNames) {
throw new Error("Cannot stringify arbitrary non-POJOs");
}
if (Object.getOwnPropertySymbols(thing).length > 0) {
throw new Error("Cannot stringify POJOs with symbolic keys");
}
Object.keys(thing).forEach(function (key) { return walk(thing[key]); });
}
}
}
walk(value);
var names = new Map();
Array.from(counts)
.filter(function (entry) { return entry[1] > 1; })
.sort(function (a, b) { return b[1] - a[1]; })
.forEach(function (entry, i) {
names.set(entry[0], getName(i));
});
function stringify(thing) {
if (names.has(thing)) {
return names.get(thing);
}
if (isPrimitive(thing)) {
return stringifyPrimitive(thing);
}
var type = getType(thing);
switch (type) {
case 'Number':
case 'String':
case 'Boolean':
return "Object(" + stringify(thing.valueOf()) + ")";
case 'RegExp':
return "new RegExp(" + stringifyString(thing.source) + ", \"" + thing.flags + "\")";
case 'Date':
return "new Date(" + thing.getTime() + ")";
case 'Array':
var members = thing.map(function (v, i) { return i in thing ? stringify(v) : ''; });
var tail = thing.length === 0 || (thing.length - 1 in thing) ? '' : ',';
return "[" + members.join(',') + tail + "]";
case 'Set':
case 'Map':
return "new " + type + "([" + Array.from(thing).map(stringify).join(',') + "])";
default:
var obj = "{" + Object.keys(thing).map(function (key) { return safeKey(key) + ":" + stringify(thing[key]); }).join(',') + "}";
var proto = Object.getPrototypeOf(thing);
if (proto === null) {
return Object.keys(thing).length > 0
? "Object.assign(Object.create(null)," + obj + ")"
: "Object.create(null)";
}
return obj;
}
}
var str = stringify(value);
if (names.size) {
var params_1 = [];
var statements_1 = [];
var values_1 = [];
names.forEach(function (name, thing) {
params_1.push(name);
if (isPrimitive(thing)) {
values_1.push(stringifyPrimitive(thing));
return;
}
var type = getType(thing);
switch (type) {
case 'Number':
case 'String':
case 'Boolean':
values_1.push("Object(" + stringify(thing.valueOf()) + ")");
break;
case 'RegExp':
values_1.push(thing.toString());
break;
case 'Date':
values_1.push("new Date(" + thing.getTime() + ")");
break;
case 'Array':
values_1.push("Array(" + thing.length + ")");
thing.forEach(function (v, i) {
statements_1.push(name + "[" + i + "]=" + stringify(v));
});
break;
case 'Set':
values_1.push("new Set");
statements_1.push(name + "." + Array.from(thing).map(function (v) { return "add(" + stringify(v) + ")"; }).join('.'));
break;
case 'Map':
values_1.push("new Map");
statements_1.push(name + "." + Array.from(thing).map(function (_a) {
var k = _a[0], v = _a[1];
return "set(" + stringify(k) + ", " + stringify(v) + ")";
}).join('.'));
break;
default:
values_1.push(Object.getPrototypeOf(thing) === null ? 'Object.create(null)' : '{}');
Object.keys(thing).forEach(function (key) {
statements_1.push("" + name + safeProp(key) + "=" + stringify(thing[key]));
});
}
});
statements_1.push("return " + str);
return "(function(" + params_1.join(',') + "){" + statements_1.join(';') + "}(" + values_1.join(',') + "))";
}
else {
return str;
}
}
function getName(num) {
var name = '';
do {
name = chars[num % chars.length] + name;
num = ~~(num / chars.length) - 1;
} while (num >= 0);
return reserved.test(name) ? name + "_" : name;
}
function isPrimitive(thing) {
return Object(thing) !== thing;
}
function stringifyPrimitive(thing) {
if (typeof thing === 'string')
return stringifyString(thing);
if (thing === void 0)
return 'void 0';
if (thing === 0 && 1 / thing < 0)
return '-0';
var str = String(thing);
if (typeof thing === 'number')
return str.replace(/^(-)?0\./, '$1.');
return str;
}
function getType(thing) {
return Object.prototype.toString.call(thing).slice(8, -1);
}
function escapeUnsafeChar(c) {
return escaped[c] || c;
}
function escapeUnsafeChars(str) {
return str.replace(unsafeChars, escapeUnsafeChar);
}
function safeKey(key) {
return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key) ? key : escapeUnsafeChars(JSON.stringify(key));
}
function safeProp(key) {
return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key) ? "." + key : "[" + escapeUnsafeChars(JSON.stringify(key)) + "]";
}
function stringifyString(str) {
var result = '"';
for (var i = 0; i < str.length; i += 1) {
var char = str.charAt(i);
var code = char.charCodeAt(0);
if (char === '"') {
result += '\\"';
}
else if (char in escaped) {
result += escaped[char];
}
else if (code >= 0xd800 && code <= 0xdfff) {
var next = str.charCodeAt(i + 1);
// If this is the beginning of a [high, low] surrogate pair,
// add the next two characters, otherwise escape
if (code <= 0xdbff && (next >= 0xdc00 && next <= 0xdfff)) {
result += char + str[++i];
}
else {
result += "\\u" + code.toString(16).toUpperCase();
}
}
else {
result += char;
}
}
result += '"';
return result;
}
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}
toString() {
return '[object Blob]';
}
slice() {
const size = this.size;
const start = arguments[0];
const end = arguments[1];
let relativeStart, relativeEnd;
if (start === undefined) {
relativeStart = 0;
} else if (start < 0) {
relativeStart = Math.max(size + start, 0);
} else {
relativeStart = Math.min(start, size);
}
if (end === undefined) {
relativeEnd = size;
} else if (end < 0) {
relativeEnd = Math.max(size + end, 0);
} else {
relativeEnd = Math.min(end, size);
}
const span = Math.max(relativeEnd - relativeStart, 0);
const buffer = this[BUFFER];
const slicedBuffer = buffer.slice(relativeStart, relativeStart + span);
const blob = new Blob([], { type: arguments[2] });
blob[BUFFER] = slicedBuffer;
return blob;
}
}
Object.defineProperties(Blob.prototype, {
size: { enumerable: true },
type: { enumerable: true },
slice: { enumerable: true }
});
Object.defineProperty(Blob.prototype, Symbol.toStringTag, {
value: 'Blob',
writable: false,
enumerable: false,
configurable: true
});
/**
* fetch-error.js
*
* FetchError interface for operational errors
*/
/**
* Create FetchError instance
*
* @param String message Error message for human
* @param String type Error type for machine
* @param String systemError For Node.js system error
* @return FetchError
*/
function FetchError(message, type, systemError) {
Error.call(this, message);
this.message = message;
this.type = type;
// when err.type is `system`, err.code contains system error code
if (systemError) {
this.code = this.errno = systemError.code;
}
// hide custom error implementation details from end-users
Error.captureStackTrace(this, this.constructor);
}
FetchError.prototype = Object.create(Error.prototype);
FetchError.prototype.constructor = FetchError;
FetchError.prototype.name = 'FetchError';
let convert;
try {
convert = require('encoding').convert;
} catch (e) {}
const INTERNALS = Symbol('Body internals');
// fix an issue where "PassThrough" isn't a named export for node <10
const PassThrough = Stream__default['default'].PassThrough;
/**
* Body mixin
*
* Ref: https://fetch.spec.whatwg.org/#body
*
* @param Stream body Readable stream
* @param Object opts Response options
* @return Void
*/
function Body(body) {
var _this = this;
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
_ref$size = _ref.size;
let size = _ref$size === undefined ? 0 : _ref$size;
var _ref$timeout = _ref.timeout;
let timeout = _ref$timeout === undefined ? 0 : _ref$timeout;
if (body == null) {
// body is undefined or null
body = null;
} else if (isURLSearchParams(body)) {
// body is a URLSearchParams
body = Buffer.from(body.toString());
} else if (isBlob(body)) ; else if (Buffer.isBuffer(body)) ; else if (Object.prototype.toString.call(body) === '[object ArrayBuffer]') {
// body is ArrayBuffer
body = Buffer.from(body);
} else if (ArrayBuffer.isView(body)) {
// body is ArrayBufferView
body = Buffer.from(body.buffer, body.byteOffset, body.byteLength);
} else if (body instanceof Stream__default['default']) ; else {
// none of the above
// coerce to string then buffer
body = Buffer.from(String(body));
}
this[INTERNALS] = {
body,
disturbed: false,
error: null
};
this.size = size;
this.timeout = timeout;
if (body instanceof Stream__default['default']) {
body.on('error', function (err) {
const error = err.name === 'AbortError' ? err : new FetchError(`Invalid response body while trying to fetch ${_this.url}: ${err.message}`, 'system', err);
_this[INTERNALS].error = error;
});
}
}
Body.prototype = {
get body() {
return this[INTERNALS].body;
},
get bodyUsed() {
return this[INTERNALS].disturbed;
},
/**
* Decode response as ArrayBuffer
*
* @return Promise
*/
arrayBuffer() {
return consumeBody.call(this).then(function (buf) {
return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
});
},
/**
* Return raw response as Blob
*
* @return Promise
*/
blob() {
let ct = this.headers && this.headers.get('content-type') || '';
return consumeBody.call(this).then(function (buf) {
return Object.assign(
// Prevent copying
new Blob([], {
type: ct.toLowerCase()
}), {
[BUFFER]: buf
});
});
},
/**
* Decode response as json
*
* @return Promise
*/
json() {
var _this2 = this;
return consumeBody.call(this).then(function (buffer) {
try {
return JSON.parse(buffer.toString());
} catch (err) {
return Body.Promise.reject(new FetchError(`invalid json response body at ${_this2.url} reason: ${err.message}`, 'invalid-json'));
}
});
},
/**
* Decode response as text
*
* @return Promise
*/
text() {
return consumeBody.call(this).then(function (buffer) {
return buffer.toString();
});
},
/**
* Decode response as buffer (non-spec api)
*
* @return Promise
*/
buffer() {
return consumeBody.call(this);
},
/**
* Decode response as text, while automatically detecting the encoding and
* trying to decode to UTF-8 (non-spec api)
*
* @return Promise
*/
textConverted() {
var _this3 = this;
return consumeBody.call(this).then(function (buffer) {
return convertBody(buffer, _this3.headers);
});
}
};
// In browsers, all properties are enumerable.
Object.defineProperties(Body.prototype, {
body: { enumerable: true },
bodyUsed: { enumerable: true },
arrayBuffer: { enumerable: true },
blob: { enumerable: true },
json: { enumerable: true },
text: { enumerable: true }
});
Body.mixIn = function (proto) {
for (const name of Object.getOwnPropertyNames(Body.prototype)) {
// istanbul ignore else: future proof
if (!(name in proto)) {
const desc = Object.getOwnPropertyDescriptor(Body.prototype, name);
Object.defineProperty(proto, name, desc);
}
}
};
/**
* Consume and convert an entire Body to a Buffer.
*
* Ref: https://fetch.spec.whatwg.org/#concept-body-consume-body
*
* @return Promise
*/
function consumeBody() {
var _this4 = this;
if (this[INTERNALS].disturbed) {
return Body.Promise.reject(new TypeError(`body used already for: ${this.url}`));
}
this[INTERNALS].disturbed = true;
if (this[INTERNALS].error) {
return Body.Promise.reject(this[INTERNALS].error);
}
let body = this.body;
// body is null
if (body === null) {
return Body.Promise.resolve(Buffer.alloc(0));
}
// body is blob
if (isBlob(body)) {
body = body.stream();
}
// body is buffer
if (Buffer.isBuffer(body)) {
return Body.Promise.resolve(body);
}
// istanbul ignore if: should never happen
if (!(body instanceof Stream__default['default'])) {
return Body.Promise.resolve(Buffer.alloc(0));
}
// body is stream
// get ready to actually consume the body
let accum = [];
let accumBytes = 0;
let abort = false;
return new Body.Promise(function (resolve, reject) {
let resTimeout;
// allow timeout on slow response body
if (_this4.timeout) {
resTimeout = setTimeout(function () {
abort = true;
reject(new FetchError(`Response timeout while trying to fetch ${_this4.url} (over ${_this4.timeout}ms)`, 'body-timeout'));
}, _this4.timeout);
}
// handle stream errors
body.on('error', function (err) {
if (err.name === 'AbortError') {
// if the request was aborted, reject with this Error
abort = true;
reject(err);
} else {
// other errors, such as incorrect content-encoding
reject(new FetchError(`Invalid response body while trying to fetch ${_this4.url}: ${err.message}`, 'system', err));
}
});
body.on('data', function (chunk) {
if (abort || chunk === null) {
return;
}
if (_this4.size && accumBytes + chunk.length > _this4.size) {
abort = true;
reject(new FetchError(`content size at ${_this4.url} over limit: ${_this4.size}`, 'max-size'));
return;
}
accumBytes += chunk.length;
accum.push(chunk);
});
body.on('end', function () {
if (abort) {
return;
}
clearTimeout(resTimeout);
try {
resolve(Buffer.concat(accum, accumBytes));
} catch (err) {
// handle streams that have accumulated too much data (issue #414)
reject(new FetchError(`Could not create Buffer from response body for ${_this4.url}: ${err.message}`, 'system', err));
}
});
});
}
/**
* Detect buffer encoding and convert to target encoding
* ref: http://www.w3.org/TR/2011/WD-html5-20110113/parsing.html#determining-the-character-encoding
*
* @param Buffer buffer Incoming buffer
* @param String encoding Target encoding
* @return String
*/
function convertBody(buffer, headers) {
if (typeof convert !== 'function') {
throw new Error('The package `encoding` must be installed to use the textConverted() function');
}
const ct = headers.get('content-type');
let charset = 'utf-8';
let res, str;
// header
if (ct) {
res = /charset=([^;]*)/i.exec(ct);
}
// no charset in content type, peek at response body for at most 1024 bytes
str = buffer.slice(0, 1024).toString();
// html5
if (!res && str) {
res = /<meta.+?charset=(['"])(.+?)\1/i.exec(str);
}
// html4
if (!res && str) {
res = /<meta[\s]+?http-equiv=(['"])content-type\1[\s]+?content=(['"])(.+?)\2/i.exec(str);
if (!res) {
res = /<meta[\s]+?content=(['"])(.+?)\1[\s]+?http-equiv=(['"])content-type\3/i.exec(str);
if (res) {
res.pop(); // drop last quote
}
}
if (res) {
res = /charset=(.*)/i.exec(res.pop());
}
}
// xml
if (!res && str) {
res = /<\?xml.+?encoding=(['"])(.+?)\1/i.exec(str);
}
// found charset
if (res) {
charset = res.pop();
// prevent decode issues when sites use incorrect encoding
// ref: https://hsivonen.fi/encoding-menu/
if (charset === 'gb2312' || charset === 'gbk') {
charset = 'gb18030';
}
}
// turn raw buffers into a single utf-8 buffer
return convert(buffer, 'UTF-8', charset).toString();
}
/**
* Detect a URLSearchParams object
* ref: https://github.com/bitinn/node-fetch/issues/296#issuecomment-307598143
*
* @param Object obj Object to detect by type or brand
* @return String
*/
function isURLSearchParams(obj) {
// Duck-typing as a necessary condition.
if (typeof obj !== 'object' || typeof obj.append !== 'function' || typeof obj.delete !== 'function' || typeof obj.get !== 'function' || typeof obj.getAll !== 'function' || typeof obj.has !== 'function' || typeof obj.set !== 'function') {
return false;
}
// Brand-checking and more duck-typing as optional condition.
return obj.constructor.name === 'URLSearchParams' || Object.prototype.toString.call(obj) === '[object URLSearchParams]' || typeof obj.sort === 'function';
}
/**
* Check if `obj` is a W3C `Blob` object (which `File` inherits from)
* @param {*} obj
* @return {boolean}
*/
function isBlob(obj) {
return typeof obj === 'object' && typeof obj.arrayBuffer === 'function' && typeof obj.type === 'string' && typeof obj.stream === 'function' && typeof obj.constructor === 'function' && typeof obj.constructor.name === 'string' && /^(Blob|File)$/.test(obj.constructor.name) && /^(Blob|File)$/.test(obj[Symbol.toStringTag]);
}
/**
* Clone body given Res/Req instance
*
* @param Mixed instance Response or Request instance
* @return Mixed
*/
function clone(instance) {
let p1, p2;
let body = instance.body;
// don't allow cloning a used body
if (instance.bodyUsed) {
throw new Error('cannot clone body after it is used');
}
// check that body is a stream and not form-data object
// note: we can't clone the form-data object without having it as a dependency
if (body instanceof Stream__default['default'] && typeof body.getBoundary !== 'function') {
// tee instance body
p1 = new PassThrough();
p2 = new PassThrough();
body.pipe(p1);
body.pipe(p2);
// set instance body to teed body and return the other teed body
instance[INTERNALS].body = p1;
body = p2;
}
return body;
}
/**
* Performs the operation "extract a `Content-Type` value from |object|" as
* specified in the specification:
* https://fetch.spec.whatwg.org/#concept-bodyinit-extract
*
* This function assumes that instance.body is present.
*
* @param Mixed instance Any options.body input
*/
function extractContentType(body) {
if (body === null) {
// body is null
return null;
} else if (typeof body === 'string') {
// body is string
return 'text/plain;charset=UTF-8';
} else if (isURLSearchParams(body)) {
// body is a URLSearchParams
return 'application/x-www-form-urlencoded;charset=UTF-8';
} else if (isBlob(body)) {
// body is blob
return body.type || null;
} else if (Buffer.isBuffer(body)) {
// body is buffer
return null;
} else if (Object.prototype.toString.call(body) === '[object ArrayBuffer]') {
// body is ArrayBuffer
return null;
} else if (ArrayBuffer.isView(body)) {
// body is ArrayBufferView
return null;
} else if (typeof body.getBoundary === 'function') {
// detect form data input from form-data module
return `multipart/form-data;boundary=${body.getBoundary()}`;
} else if (body instanceof Stream__default['default']) {
// body is stream
// can