dotfiles/.vscode/extensions/saviorisdead.RustyCode-0.18.0/node_modules/hoek/lib/index.js

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2016-09-11 09:29:13 +01:00
// Load modules
var Crypto = require('crypto');
var Path = require('path');
var Util = require('util');
var Escape = require('./escape');
// Declare internals
var internals = {};
// Clone object or array
exports.clone = function (obj, seen) {
if (typeof obj !== 'object' ||
obj === null) {
return obj;
}
seen = seen || { orig: [], copy: [] };
var lookup = seen.orig.indexOf(obj);
if (lookup !== -1) {
return seen.copy[lookup];
}
var newObj;
var cloneDeep = false;
if (!Array.isArray(obj)) {
if (Buffer.isBuffer(obj)) {
newObj = new Buffer(obj);
}
else if (obj instanceof Date) {
newObj = new Date(obj.getTime());
}
else if (obj instanceof RegExp) {
newObj = new RegExp(obj);
}
else {
var proto = Object.getPrototypeOf(obj);
if (proto &&
proto.isImmutable) {
newObj = obj;
}
else {
newObj = Object.create(proto);
cloneDeep = true;
}
}
}
else {
newObj = [];
cloneDeep = true;
}
seen.orig.push(obj);
seen.copy.push(newObj);
if (cloneDeep) {
var keys = Object.getOwnPropertyNames(obj);
for (var i = 0, il = keys.length; i < il; ++i) {
var key = keys[i];
var descriptor = Object.getOwnPropertyDescriptor(obj, key);
if (descriptor &&
(descriptor.get ||
descriptor.set)) {
Object.defineProperty(newObj, key, descriptor);
}
else {
newObj[key] = exports.clone(obj[key], seen);
}
}
}
return newObj;
};
// Merge all the properties of source into target, source wins in conflict, and by default null and undefined from source are applied
/*eslint-disable */
exports.merge = function (target, source, isNullOverride /* = true */, isMergeArrays /* = true */) {
/*eslint-enable */
exports.assert(target && typeof target === 'object', 'Invalid target value: must be an object');
exports.assert(source === null || source === undefined || typeof source === 'object', 'Invalid source value: must be null, undefined, or an object');
if (!source) {
return target;
}
if (Array.isArray(source)) {
exports.assert(Array.isArray(target), 'Cannot merge array onto an object');
if (isMergeArrays === false) { // isMergeArrays defaults to true
target.length = 0; // Must not change target assignment
}
for (var i = 0, il = source.length; i < il; ++i) {
target.push(exports.clone(source[i]));
}
return target;
}
var keys = Object.keys(source);
for (var k = 0, kl = keys.length; k < kl; ++k) {
var key = keys[k];
var value = source[key];
if (value &&
typeof value === 'object') {
if (!target[key] ||
typeof target[key] !== 'object' ||
(Array.isArray(target[key]) ^ Array.isArray(value)) ||
value instanceof Date ||
Buffer.isBuffer(value) ||
value instanceof RegExp) {
target[key] = exports.clone(value);
}
else {
exports.merge(target[key], value, isNullOverride, isMergeArrays);
}
}
else {
if (value !== null &&
value !== undefined) { // Explicit to preserve empty strings
target[key] = value;
}
else if (isNullOverride !== false) { // Defaults to true
target[key] = value;
}
}
}
return target;
};
// Apply options to a copy of the defaults
exports.applyToDefaults = function (defaults, options, isNullOverride) {
exports.assert(defaults && typeof defaults === 'object', 'Invalid defaults value: must be an object');
exports.assert(!options || options === true || typeof options === 'object', 'Invalid options value: must be true, falsy or an object');
if (!options) { // If no options, return null
return null;
}
var copy = exports.clone(defaults);
if (options === true) { // If options is set to true, use defaults
return copy;
}
return exports.merge(copy, options, isNullOverride === true, false);
};
// Clone an object except for the listed keys which are shallow copied
exports.cloneWithShallow = function (source, keys) {
if (!source ||
typeof source !== 'object') {
return source;
}
var storage = internals.store(source, keys); // Move shallow copy items to storage
var copy = exports.clone(source); // Deep copy the rest
internals.restore(copy, source, storage); // Shallow copy the stored items and restore
return copy;
};
internals.store = function (source, keys) {
var storage = {};
for (var i = 0, il = keys.length; i < il; ++i) {
var key = keys[i];
var value = exports.reach(source, key);
if (value !== undefined) {
storage[key] = value;
internals.reachSet(source, key, undefined);
}
}
return storage;
};
internals.restore = function (copy, source, storage) {
var keys = Object.keys(storage);
for (var i = 0, il = keys.length; i < il; ++i) {
var key = keys[i];
internals.reachSet(copy, key, storage[key]);
internals.reachSet(source, key, storage[key]);
}
};
internals.reachSet = function (obj, key, value) {
var path = key.split('.');
var ref = obj;
for (var i = 0, il = path.length; i < il; ++i) {
var segment = path[i];
if (i + 1 === il) {
ref[segment] = value;
}
ref = ref[segment];
}
};
// Apply options to defaults except for the listed keys which are shallow copied from option without merging
exports.applyToDefaultsWithShallow = function (defaults, options, keys) {
exports.assert(defaults && typeof defaults === 'object', 'Invalid defaults value: must be an object');
exports.assert(!options || options === true || typeof options === 'object', 'Invalid options value: must be true, falsy or an object');
exports.assert(keys && Array.isArray(keys), 'Invalid keys');
if (!options) { // If no options, return null
return null;
}
var copy = exports.cloneWithShallow(defaults, keys);
if (options === true) { // If options is set to true, use defaults
return copy;
}
var storage = internals.store(options, keys); // Move shallow copy items to storage
exports.merge(copy, options, false, false); // Deep copy the rest
internals.restore(copy, options, storage); // Shallow copy the stored items and restore
return copy;
};
// Deep object or array comparison
exports.deepEqual = function (obj, ref, options, seen) {
options = options || { prototype: true };
var type = typeof obj;
if (type !== typeof ref) {
return false;
}
if (type !== 'object' ||
obj === null ||
ref === null) {
if (obj === ref) { // Copied from Deep-eql, copyright(c) 2013 Jake Luer, jake@alogicalparadox.com, MIT Licensed, https://github.com/chaijs/deep-eql
return obj !== 0 || 1 / obj === 1 / ref; // -0 / +0
}
return obj !== obj && ref !== ref; // NaN
}
seen = seen || [];
if (seen.indexOf(obj) !== -1) {
return true; // If previous comparison failed, it would have stopped execution
}
seen.push(obj);
if (Array.isArray(obj)) {
if (!Array.isArray(ref)) {
return false;
}
if (!options.part && obj.length !== ref.length) {
return false;
}
for (var i = 0, il = obj.length; i < il; ++i) {
if (options.part) {
var found = false;
for (var r = 0, rl = ref.length; r < rl; ++r) {
if (exports.deepEqual(obj[i], ref[r], options, seen)) {
found = true;
break;
}
}
return found;
}
if (!exports.deepEqual(obj[i], ref[i], options, seen)) {
return false;
}
}
return true;
}
if (Buffer.isBuffer(obj)) {
if (!Buffer.isBuffer(ref)) {
return false;
}
if (obj.length !== ref.length) {
return false;
}
for (var j = 0, jl = obj.length; j < jl; ++j) {
if (obj[j] !== ref[j]) {
return false;
}
}
return true;
}
if (obj instanceof Date) {
return (ref instanceof Date && obj.getTime() === ref.getTime());
}
if (obj instanceof RegExp) {
return (ref instanceof RegExp && obj.toString() === ref.toString());
}
if (options.prototype) {
if (Object.getPrototypeOf(obj) !== Object.getPrototypeOf(ref)) {
return false;
}
}
var keys = Object.getOwnPropertyNames(obj);
if (!options.part && keys.length !== Object.getOwnPropertyNames(ref).length) {
return false;
}
for (var k = 0, kl = keys.length; k < kl; ++k) {
var key = keys[k];
var descriptor = Object.getOwnPropertyDescriptor(obj, key);
if (descriptor.get) {
if (!exports.deepEqual(descriptor, Object.getOwnPropertyDescriptor(ref, key), options, seen)) {
return false;
}
}
else if (!exports.deepEqual(obj[key], ref[key], options, seen)) {
return false;
}
}
return true;
};
// Remove duplicate items from array
exports.unique = function (array, key) {
var index = {};
var result = [];
for (var i = 0, il = array.length; i < il; ++i) {
var id = (key ? array[i][key] : array[i]);
if (index[id] !== true) {
result.push(array[i]);
index[id] = true;
}
}
return result;
};
// Convert array into object
exports.mapToObject = function (array, key) {
if (!array) {
return null;
}
var obj = {};
for (var i = 0, il = array.length; i < il; ++i) {
if (key) {
if (array[i][key]) {
obj[array[i][key]] = true;
}
}
else {
obj[array[i]] = true;
}
}
return obj;
};
// Find the common unique items in two arrays
exports.intersect = function (array1, array2, justFirst) {
if (!array1 || !array2) {
return [];
}
var common = [];
var hash = (Array.isArray(array1) ? exports.mapToObject(array1) : array1);
var found = {};
for (var i = 0, il = array2.length; i < il; ++i) {
if (hash[array2[i]] && !found[array2[i]]) {
if (justFirst) {
return array2[i];
}
common.push(array2[i]);
found[array2[i]] = true;
}
}
return (justFirst ? null : common);
};
// Test if the reference contains the values
exports.contain = function (ref, values, options) {
/*
string -> string(s)
array -> item(s)
object -> key(s)
object -> object (key:value)
*/
var valuePairs = null;
if (typeof ref === 'object' &&
typeof values === 'object' &&
!Array.isArray(ref) &&
!Array.isArray(values)) {
valuePairs = values;
values = Object.keys(values);
}
else {
values = [].concat(values);
}
options = options || {}; // deep, once, only, part
exports.assert(arguments.length >= 2, 'Insufficient arguments');
exports.assert(typeof ref === 'string' || typeof ref === 'object', 'Reference must be string or an object');
exports.assert(values.length, 'Values array cannot be empty');
var compare, compareFlags;
if (options.deep) {
compare = exports.deepEqual;
var hasOnly = options.hasOwnProperty('only'), hasPart = options.hasOwnProperty('part');
compareFlags = {
prototype: hasOnly ? options.only : hasPart ? !options.part : false,
part: hasOnly ? !options.only : hasPart ? options.part : true
};
}
else {
compare = function (a, b) {
return a === b;
};
}
var misses = false;
var matches = new Array(values.length);
for (var i = 0, il = matches.length; i < il; ++i) {
matches[i] = 0;
}
if (typeof ref === 'string') {
var pattern = '(';
for (i = 0, il = values.length; i < il; ++i) {
var value = values[i];
exports.assert(typeof value === 'string', 'Cannot compare string reference to non-string value');
pattern += (i ? '|' : '') + exports.escapeRegex(value);
}
var regex = new RegExp(pattern + ')', 'g');
var leftovers = ref.replace(regex, function ($0, $1) {
var index = values.indexOf($1);
++matches[index];
return ''; // Remove from string
});
misses = !!leftovers;
}
else if (Array.isArray(ref)) {
for (i = 0, il = ref.length; i < il; ++i) {
for (var j = 0, jl = values.length, matched = false; j < jl && matched === false; ++j) {
matched = compare(values[j], ref[i], compareFlags) && j;
}
if (matched !== false) {
++matches[matched];
}
else {
misses = true;
}
}
}
else {
var keys = Object.keys(ref);
for (i = 0, il = keys.length; i < il; ++i) {
var key = keys[i];
var pos = values.indexOf(key);
if (pos !== -1) {
if (valuePairs &&
!compare(valuePairs[key], ref[key], compareFlags)) {
return false;
}
++matches[pos];
}
else {
misses = true;
}
}
}
var result = false;
for (i = 0, il = matches.length; i < il; ++i) {
result = result || !!matches[i];
if ((options.once && matches[i] > 1) ||
(!options.part && !matches[i])) {
return false;
}
}
if (options.only &&
misses) {
return false;
}
return result;
};
// Flatten array
exports.flatten = function (array, target) {
var result = target || [];
for (var i = 0, il = array.length; i < il; ++i) {
if (Array.isArray(array[i])) {
exports.flatten(array[i], result);
}
else {
result.push(array[i]);
}
}
return result;
};
// Convert an object key chain string ('a.b.c') to reference (object[a][b][c])
exports.reach = function (obj, chain, options) {
if (chain === false ||
chain === null ||
typeof chain === 'undefined') {
return obj;
}
options = options || {};
if (typeof options === 'string') {
options = { separator: options };
}
var path = chain.split(options.separator || '.');
var ref = obj;
for (var i = 0, il = path.length; i < il; ++i) {
var key = path[i];
if (key[0] === '-' && Array.isArray(ref)) {
key = key.slice(1, key.length);
key = ref.length - key;
}
if (!ref ||
!ref.hasOwnProperty(key) ||
(typeof ref !== 'object' && options.functions === false)) { // Only object and function can have properties
exports.assert(!options.strict || i + 1 === il, 'Missing segment', key, 'in reach path ', chain);
exports.assert(typeof ref === 'object' || options.functions === true || typeof ref !== 'function', 'Invalid segment', key, 'in reach path ', chain);
ref = options.default;
break;
}
ref = ref[key];
}
return ref;
};
exports.reachTemplate = function (obj, template, options) {
return template.replace(/{([^}]+)}/g, function ($0, chain) {
var value = exports.reach(obj, chain, options);
return (value === undefined || value === null ? '' : value);
});
};
exports.formatStack = function (stack) {
var trace = [];
for (var i = 0, il = stack.length; i < il; ++i) {
var item = stack[i];
trace.push([item.getFileName(), item.getLineNumber(), item.getColumnNumber(), item.getFunctionName(), item.isConstructor()]);
}
return trace;
};
exports.formatTrace = function (trace) {
var display = [];
for (var i = 0, il = trace.length; i < il; ++i) {
var row = trace[i];
display.push((row[4] ? 'new ' : '') + row[3] + ' (' + row[0] + ':' + row[1] + ':' + row[2] + ')');
}
return display;
};
exports.callStack = function (slice) {
// http://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var v8 = Error.prepareStackTrace;
Error.prepareStackTrace = function (err, stack) {
return stack;
};
var capture = {};
Error.captureStackTrace(capture, arguments.callee); /*eslint no-caller:0 */
var stack = capture.stack;
Error.prepareStackTrace = v8;
var trace = exports.formatStack(stack);
if (slice) {
return trace.slice(slice);
}
return trace;
};
exports.displayStack = function (slice) {
var trace = exports.callStack(slice === undefined ? 1 : slice + 1);
return exports.formatTrace(trace);
};
exports.abortThrow = false;
exports.abort = function (message, hideStack) {
if (process.env.NODE_ENV === 'test' || exports.abortThrow === true) {
throw new Error(message || 'Unknown error');
}
var stack = '';
if (!hideStack) {
stack = exports.displayStack(1).join('\n\t');
}
console.log('ABORT: ' + message + '\n\t' + stack);
process.exit(1);
};
exports.assert = function (condition /*, msg1, msg2, msg3 */) {
if (condition) {
return;
}
if (arguments.length === 2 && arguments[1] instanceof Error) {
throw arguments[1];
}
var msgs = [];
for (var i = 1, il = arguments.length; i < il; ++i) {
if (arguments[i] !== '') {
msgs.push(arguments[i]); // Avoids Array.slice arguments leak, allowing for V8 optimizations
}
}
msgs = msgs.map(function (msg) {
return typeof msg === 'string' ? msg : msg instanceof Error ? msg.message : exports.stringify(msg);
});
throw new Error(msgs.join(' ') || 'Unknown error');
};
exports.Timer = function () {
this.ts = 0;
this.reset();
};
exports.Timer.prototype.reset = function () {
this.ts = Date.now();
};
exports.Timer.prototype.elapsed = function () {
return Date.now() - this.ts;
};
exports.Bench = function () {
this.ts = 0;
this.reset();
};
exports.Bench.prototype.reset = function () {
this.ts = exports.Bench.now();
};
exports.Bench.prototype.elapsed = function () {
return exports.Bench.now() - this.ts;
};
exports.Bench.now = function () {
var ts = process.hrtime();
return (ts[0] * 1e3) + (ts[1] / 1e6);
};
// Escape string for Regex construction
exports.escapeRegex = function (string) {
// Escape ^$.*+-?=!:|\/()[]{},
return string.replace(/[\^\$\.\*\+\-\?\=\!\:\|\\\/\(\)\[\]\{\}\,]/g, '\\$&');
};
// Base64url (RFC 4648) encode
exports.base64urlEncode = function (value, encoding) {
var buf = (Buffer.isBuffer(value) ? value : new Buffer(value, encoding || 'binary'));
return buf.toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/\=/g, '');
};
// Base64url (RFC 4648) decode
exports.base64urlDecode = function (value, encoding) {
if (value &&
!/^[\w\-]*$/.test(value)) {
return new Error('Invalid character');
}
try {
var buf = new Buffer(value, 'base64');
return (encoding === 'buffer' ? buf : buf.toString(encoding || 'binary'));
}
catch (err) {
return err;
}
};
// Escape attribute value for use in HTTP header
exports.escapeHeaderAttribute = function (attribute) {
// Allowed value characters: !#$%&'()*+,-./:;<=>?@[]^_`{|}~ and space, a-z, A-Z, 0-9, \, "
exports.assert(/^[ \w\!#\$%&'\(\)\*\+,\-\.\/\:;<\=>\?@\[\]\^`\{\|\}~\"\\]*$/.test(attribute), 'Bad attribute value (' + attribute + ')');
return attribute.replace(/\\/g, '\\\\').replace(/\"/g, '\\"'); // Escape quotes and slash
};
exports.escapeHtml = function (string) {
return Escape.escapeHtml(string);
};
exports.escapeJavaScript = function (string) {
return Escape.escapeJavaScript(string);
};
exports.nextTick = function (callback) {
return function () {
var args = arguments;
process.nextTick(function () {
callback.apply(null, args);
});
};
};
exports.once = function (method) {
if (method._hoekOnce) {
return method;
}
var once = false;
var wrapped = function () {
if (!once) {
once = true;
method.apply(null, arguments);
}
};
wrapped._hoekOnce = true;
return wrapped;
};
exports.isAbsolutePath = function (path, platform) {
if (!path) {
return false;
}
if (Path.isAbsolute) { // node >= 0.11
return Path.isAbsolute(path);
}
platform = platform || process.platform;
// Unix
if (platform !== 'win32') {
return path[0] === '/';
}
// Windows
return !!/^(?:[a-zA-Z]:[\\\/])|(?:[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/])/.test(path); // C:\ or \\something\something
};
exports.isInteger = function (value) {
return (typeof value === 'number' &&
parseFloat(value) === parseInt(value, 10) &&
!isNaN(value));
};
exports.ignore = function () { };
exports.inherits = Util.inherits;
exports.format = Util.format;
exports.transform = function (source, transform, options) {
exports.assert(source === null || source === undefined || typeof source === 'object' || Array.isArray(source), 'Invalid source object: must be null, undefined, an object, or an array');
if (Array.isArray(source)) {
var results = [];
for (var i = 0, il = source.length; i < il; ++i) {
results.push(exports.transform(source[i], transform, options));
}
return results;
}
var result = {};
var keys = Object.keys(transform);
for (var k = 0, kl = keys.length; k < kl; ++k) {
var key = keys[k];
var path = key.split('.');
var sourcePath = transform[key];
exports.assert(typeof sourcePath === 'string', 'All mappings must be "." delineated strings');
var segment;
var res = result;
while (path.length > 1) {
segment = path.shift();
if (!res[segment]) {
res[segment] = {};
}
res = res[segment];
}
segment = path.shift();
res[segment] = exports.reach(source, sourcePath, options);
}
return result;
};
exports.uniqueFilename = function (path, extension) {
if (extension) {
extension = extension[0] !== '.' ? '.' + extension : extension;
}
else {
extension = '';
}
path = Path.resolve(path);
var name = [Date.now(), process.pid, Crypto.randomBytes(8).toString('hex')].join('-') + extension;
return Path.join(path, name);
};
exports.stringify = function () {
try {
return JSON.stringify.apply(null, arguments);
}
catch (err) {
return '[Cannot display object: ' + err.message + ']';
}
};
exports.shallow = function (source) {
var target = {};
var keys = Object.keys(source);
for (var i = 0, il = keys.length; i < il; ++i) {
var key = keys[i];
target[key] = source[key];
}
return target;
};