oboe
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Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish
1,516 lines (1,181 loc) • 102 kB
JavaScript
/*!
* v2.1.4-40-g295d630
*
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory();
else if(typeof define === 'function' && define.amd)
define("oboe", [], factory);
else if(typeof exports === 'object')
exports["oboe"] = factory();
else
root["oboe"] = factory();
})(typeof self !== 'undefined' ? self : this, function() {
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/* 0 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return partialComplete; });
/* unused harmony export compose */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return compose2; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return attr; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return lazyUnion; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return apply; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return varArgs; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return flip; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return lazyIntersection; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return noop; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return always; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return functor; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__lists__ = __webpack_require__(1);
/**
* Partially complete a function.
*
* var add3 = partialComplete( function add(a,b){return a+b}, 3 );
*
* add3(4) // gives 7
*
* function wrap(left, right, cen){return left + " " + cen + " " + right;}
*
* var pirateGreeting = partialComplete( wrap , "I'm", ", a mighty pirate!" );
*
* pirateGreeting("Guybrush Threepwood");
* // gives "I'm Guybrush Threepwood, a mighty pirate!"
*/
var partialComplete = varArgs(function( fn, args ) {
// this isn't the shortest way to write this but it does
// avoid creating a new array each time to pass to fn.apply,
// otherwise could just call boundArgs.concat(callArgs)
var numBoundArgs = args.length;
return varArgs(function( callArgs ) {
for (var i = 0; i < callArgs.length; i++) {
args[numBoundArgs + i] = callArgs[i];
}
args.length = numBoundArgs + callArgs.length;
return fn.apply(this, args);
});
}),
/**
* Compose zero or more functions:
*
* compose(f1, f2, f3)(x) = f1(f2(f3(x))))
*
* The last (inner-most) function may take more than one parameter:
*
* compose(f1, f2, f3)(x,y) = f1(f2(f3(x,y))))
*/
compose = varArgs(function(fns) {
var fnsList = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["c" /* arrayAsList */])(fns);
function next(params, curFn) {
return [apply(params, curFn)];
}
return varArgs(function(startParams){
return Object(__WEBPACK_IMPORTED_MODULE_0__lists__["f" /* foldR */])(next, startParams, fnsList)[0];
});
});
/**
* A more optimised version of compose that takes exactly two functions
* @param f1
* @param f2
*/
function compose2(f1, f2){
return function(){
return f1.call(this,f2.apply(this,arguments));
}
}
/**
* Generic form for a function to get a property from an object
*
* var o = {
* foo:'bar'
* }
*
* var getFoo = attr('foo')
*
* fetFoo(o) // returns 'bar'
*
* @param {String} key the property name
*/
function attr(key) {
return function(o) { return o[key]; };
}
/**
* Call a list of functions with the same args until one returns a
* truthy result. Similar to the || operator.
*
* So:
* lazyUnion([f1,f2,f3 ... fn])( p1, p2 ... pn )
*
* Is equivalent to:
* apply([p1, p2 ... pn], f1) ||
* apply([p1, p2 ... pn], f2) ||
* apply([p1, p2 ... pn], f3) ... apply(fn, [p1, p2 ... pn])
*
* @returns the first return value that is given that is truthy.
*/
var lazyUnion = varArgs(function(fns) {
return varArgs(function(params){
var maybeValue;
for (var i = 0; i < attr('length')(fns); i++) {
maybeValue = apply(params, fns[i]);
if( maybeValue ) {
return maybeValue;
}
}
});
});
/**
* This file declares various pieces of functional programming.
*
* This isn't a general purpose functional library, to keep things small it
* has just the parts useful for Oboe.js.
*/
/**
* Call a single function with the given arguments array.
* Basically, a functional-style version of the OO-style Function#apply for
* when we don't care about the context ('this') of the call.
*
* The order of arguments allows partial completion of the arguments array
*/
function apply(args, fn) {
return fn.apply(undefined, args);
}
/**
* Define variable argument functions but cut out all that tedious messing about
* with the arguments object. Delivers the variable-length part of the arguments
* list as an array.
*
* Eg:
*
* var myFunction = varArgs(
* function( fixedArgument, otherFixedArgument, variableNumberOfArguments ){
* console.log( variableNumberOfArguments );
* }
* )
*
* myFunction('a', 'b', 1, 2, 3); // logs [1,2,3]
*
* var myOtherFunction = varArgs(function( variableNumberOfArguments ){
* console.log( variableNumberOfArguments );
* })
*
* myFunction(1, 2, 3); // logs [1,2,3]
*
*/
function varArgs(fn){
var numberOfFixedArguments = fn.length -1,
slice = Array.prototype.slice;
if( numberOfFixedArguments == 0 ) {
// an optimised case for when there are no fixed args:
return function(){
return fn.call(this, slice.call(arguments));
}
} else if( numberOfFixedArguments == 1 ) {
// an optimised case for when there are is one fixed args:
return function(){
return fn.call(this, arguments[0], slice.call(arguments, 1));
}
}
// general case
// we know how many arguments fn will always take. Create a
// fixed-size array to hold that many, to be re-used on
// every call to the returned function
var argsHolder = Array(fn.length);
return function(){
for (var i = 0; i < numberOfFixedArguments; i++) {
argsHolder[i] = arguments[i];
}
argsHolder[numberOfFixedArguments] =
slice.call(arguments, numberOfFixedArguments);
return fn.apply( this, argsHolder);
}
}
/**
* Swap the order of parameters to a binary function
*
* A bit like this flip: http://zvon.org/other/haskell/Outputprelude/flip_f.html
*/
function flip(fn){
return function(a, b){
return fn(b,a);
}
}
/**
* Create a function which is the intersection of two other functions.
*
* Like the && operator, if the first is truthy, the second is never called,
* otherwise the return value from the second is returned.
*/
function lazyIntersection(fn1, fn2) {
return function (param) {
return fn1(param) && fn2(param);
};
}
/**
* A function which does nothing
*/
function noop(){}
/**
* A function which is always happy
*/
function always(){return true}
/**
* Create a function which always returns the same
* value
*
* var return3 = functor(3);
*
* return3() // gives 3
* return3() // still gives 3
* return3() // will always give 3
*/
function functor(val){
return function(){
return val;
}
}
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return cons; });
/* unused harmony export emptyList */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return head; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "l", function() { return tail; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return arrayAsList; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return list; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return listAsArray; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return map; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return foldR; });
/* unused harmony export foldR1 */
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "m", function() { return without; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return all; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return applyEach; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return reverseList; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return first; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__functional__ = __webpack_require__(0);
/**
* Like cons in Lisp
*/
function cons(x, xs) {
/* Internally lists are linked 2-element Javascript arrays.
Ideally the return here would be Object.freeze([x,xs])
so that bugs related to mutation are found fast.
However, cons is right on the critical path for
performance and this slows oboe-mark down by
~25%. Under theoretical future JS engines that freeze more
efficiently (possibly even use immutability to
run faster) this should be considered for
restoration.
*/
return [x,xs];
}
/**
* The empty list
*/
var emptyList = null,
/**
* Get the head of a list.
*
* Ie, head(cons(a,b)) = a
*/
head = Object(__WEBPACK_IMPORTED_MODULE_0__functional__["c" /* attr */])(0),
/**
* Get the tail of a list.
*
* Ie, tail(cons(a,b)) = b
*/
tail = Object(__WEBPACK_IMPORTED_MODULE_0__functional__["c" /* attr */])(1);
/**
* Converts an array to a list
*
* asList([a,b,c])
*
* is equivalent to:
*
* cons(a, cons(b, cons(c, emptyList)))
**/
function arrayAsList(inputArray){
return reverseList(
inputArray.reduce(
Object(__WEBPACK_IMPORTED_MODULE_0__functional__["e" /* flip */])(cons),
emptyList
)
);
}
/**
* A varargs version of arrayAsList. Works a bit like list
* in LISP.
*
* list(a,b,c)
*
* is equivalent to:
*
* cons(a, cons(b, cons(c, emptyList)))
*/
var list = Object(__WEBPACK_IMPORTED_MODULE_0__functional__["k" /* varArgs */])(arrayAsList);
/**
* Convert a list back to a js native array
*/
function listAsArray(list){
return foldR( function(arraySoFar, listItem){
arraySoFar.unshift(listItem);
return arraySoFar;
}, [], list );
}
/**
* Map a function over a list
*/
function map(fn, list) {
return list
? cons(fn(head(list)), map(fn,tail(list)))
: emptyList
;
}
/**
* foldR implementation. Reduce a list down to a single value.
*
* @pram {Function} fn (rightEval, curVal) -> result
*/
function foldR(fn, startValue, list) {
return list
? fn(foldR(fn, startValue, tail(list)), head(list))
: startValue
;
}
/**
* foldR implementation. Reduce a list down to a single value.
*
* @pram {Function} fn (rightEval, curVal) -> result
*/
function foldR1(fn, list) {
return tail(list)
? fn(foldR1(fn, tail(list)), head(list))
: head(list)
;
}
/**
* Return a list like the one given but with the first instance equal
* to item removed
*/
function without(list, test, removedFn) {
return withoutInner(list, removedFn || __WEBPACK_IMPORTED_MODULE_0__functional__["i" /* noop */]);
function withoutInner(subList, removedFn) {
return subList
? ( test(head(subList))
? (removedFn(head(subList)), tail(subList))
: cons(head(subList), withoutInner(tail(subList), removedFn))
)
: emptyList
;
}
}
/**
* Returns true if the given function holds for every item in
* the list, false otherwise
*/
function all(fn, list) {
return !list ||
( fn(head(list)) && all(fn, tail(list)) );
}
/**
* Call every function in a list of functions with the same arguments
*
* This doesn't make any sense if we're doing pure functional because
* it doesn't return anything. Hence, this is only really useful if the
* functions being called have side-effects.
*/
function applyEach(fnList, args) {
if( fnList ) {
head(fnList).apply(null, args);
applyEach(tail(fnList), args);
}
}
/**
* Reverse the order of a list
*/
function reverseList(list){
// js re-implementation of 3rd solution from:
// http://www.haskell.org/haskellwiki/99_questions/Solutions/5
function reverseInner( list, reversedAlready ) {
if( !list ) {
return reversedAlready;
}
return reverseInner(tail(list), cons(head(list), reversedAlready))
}
return reverseInner(list, emptyList);
}
function first(test, list) {
return list &&
(test(head(list))
? head(list)
: first(test,tail(list)));
}
/***/ }),
/* 2 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return isOfType; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return len; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return isString; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return defined; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return hasAllProperties; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__lists__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__functional__ = __webpack_require__(0);
/**
* This file defines some loosely associated syntactic sugar for
* Javascript programming
*/
/**
* Returns true if the given candidate is of type T
*/
function isOfType(T, maybeSomething){
return maybeSomething && maybeSomething.constructor === T;
}
var len = Object(__WEBPACK_IMPORTED_MODULE_1__functional__["c" /* attr */])('length'),
isString = Object(__WEBPACK_IMPORTED_MODULE_1__functional__["j" /* partialComplete */])(isOfType, String);
/**
* I don't like saying this:
*
* foo !=== undefined
*
* because of the double-negative. I find this:
*
* defined(foo)
*
* easier to read.
*/
function defined( value ) {
return value !== undefined;
}
/**
* Returns true if object o has a key named like every property in
* the properties array. Will give false if any are missing, or if o
* is not an object.
*/
function hasAllProperties(fieldList, o) {
return (o instanceof Object)
&&
Object(__WEBPACK_IMPORTED_MODULE_0__lists__["a" /* all */])(function (field) {
return (field in o);
}, fieldList);
}
/***/ }),
/* 3 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return NODE_OPENED; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return NODE_CLOSED; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return NODE_SWAP; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return NODE_DROP; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return FAIL_EVENT; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return ROOT_NODE_FOUND; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return ROOT_PATH_FOUND; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return HTTP_START; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "m", function() { return STREAM_DATA; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "n", function() { return STREAM_END; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return ABORTING; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return SAX_KEY; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "l", function() { return SAX_VALUE_OPEN; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return SAX_VALUE_CLOSE; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "o", function() { return errorReport; });
/**
* This file declares some constants to use as names for event types.
*/
var // the events which are never exported are kept as
// the smallest possible representation, in numbers:
_S = 1,
// fired whenever a new node starts in the JSON stream:
NODE_OPENED = _S++,
// fired whenever a node closes in the JSON stream:
NODE_CLOSED = _S++,
// called if a .node callback returns a value -
NODE_SWAP = _S++,
NODE_DROP = _S++,
FAIL_EVENT = 'fail',
ROOT_NODE_FOUND = _S++,
ROOT_PATH_FOUND = _S++,
HTTP_START = 'start',
STREAM_DATA = 'data',
STREAM_END = 'end',
ABORTING = _S++,
// SAX events butchered from Clarinet
SAX_KEY = _S++,
SAX_VALUE_OPEN = _S++,
SAX_VALUE_CLOSE = _S++;
function errorReport(statusCode, body, error) {
try{
var jsonBody = JSON.parse(body);
}catch(e){}
return {
statusCode:statusCode,
body:body,
jsonBody:jsonBody,
thrown:error
};
}
/***/ }),
/* 4 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return namedNode; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return keyOf; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return nodeOf; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__functional__ = __webpack_require__(0);
/**
* Get a new key->node mapping
*
* @param {String|Number} key
* @param {Object|Array|String|Number|null} node a value found in the json
*/
function namedNode(key, node) {
return {key:key, node:node};
}
/** get the key of a namedNode */
var keyOf = Object(__WEBPACK_IMPORTED_MODULE_0__functional__["c" /* attr */])('key');
/** get the node from a namedNode */
var nodeOf = Object(__WEBPACK_IMPORTED_MODULE_0__functional__["c" /* attr */])('node');
/***/ }),
/* 5 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return oboe; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__lists__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__functional__ = __webpack_require__(0);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__util__ = __webpack_require__(2);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__defaults__ = __webpack_require__(9);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__wire__ = __webpack_require__(10);
// export public API
function oboe(arg1) {
// We use duck-typing to detect if the parameter given is a stream, with the
// below list of parameters.
// Unpipe and unshift would normally be present on a stream but this breaks
// compatibility with Request streams.
// See https://github.com/jimhigson/oboe.js/issues/65
var nodeStreamMethodNames = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["h" /* list */])('resume', 'pause', 'pipe'),
isStream = Object(__WEBPACK_IMPORTED_MODULE_1__functional__["j" /* partialComplete */])(
__WEBPACK_IMPORTED_MODULE_2__util__["b" /* hasAllProperties */]
, nodeStreamMethodNames
);
if( arg1 ) {
if (isStream(arg1) || Object(__WEBPACK_IMPORTED_MODULE_2__util__["d" /* isString */])(arg1)) {
// simple version for GETs. Signature is:
// oboe( url )
// or, under node:
// oboe( readableStream )
return Object(__WEBPACK_IMPORTED_MODULE_3__defaults__["a" /* applyDefaults */])(
__WEBPACK_IMPORTED_MODULE_4__wire__["a" /* wire */],
arg1 // url
);
} else {
// method signature is:
// oboe({method:m, url:u, body:b, headers:{...}})
return Object(__WEBPACK_IMPORTED_MODULE_3__defaults__["a" /* applyDefaults */])(
__WEBPACK_IMPORTED_MODULE_4__wire__["a" /* wire */],
arg1.url,
arg1.method,
arg1.body,
arg1.headers,
arg1.withCredentials,
arg1.cached
);
}
} else {
// wire up a no-AJAX, no-stream Oboe. Will have to have content
// fed in externally and using .emit.
return Object(__WEBPACK_IMPORTED_MODULE_4__wire__["a" /* wire */])();
}
}
/* oboe.drop is a special value. If a node callback returns this value the
parsed node is deleted from the JSON
*/
oboe.drop = function() {
return oboe.drop;
};
/***/ }),
/* 6 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return incrementalContentBuilder; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return ROOT_PATH; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__events__ = __webpack_require__(3);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__ascent__ = __webpack_require__(4);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__util__ = __webpack_require__(2);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__lists__ = __webpack_require__(1);
/**
* This file provides various listeners which can be used to build up
* a changing ascent based on the callbacks provided by Clarinet. It listens
* to the low-level events from Clarinet and emits higher-level ones.
*
* The building up is stateless so to track a JSON file
* ascentManager.js is required to store the ascent state
* between calls.
*/
/**
* A special value to use in the path list to represent the path 'to' a root
* object (which doesn't really have any path). This prevents the need for
* special-casing detection of the root object and allows it to be treated
* like any other object. We might think of this as being similar to the
* 'unnamed root' domain ".", eg if I go to
* http://en.wikipedia.org./wiki/En/Main_page the dot after 'org' deliminates
* the unnamed root of the DNS.
*
* This is kept as an object to take advantage that in Javascript's OO objects
* are guaranteed to be distinct, therefore no other object can possibly clash
* with this one. Strings, numbers etc provide no such guarantee.
**/
var ROOT_PATH = {};
/**
* Create a new set of handlers for clarinet's events, bound to the emit
* function given.
*/
function incrementalContentBuilder( oboeBus ) {
var emitNodeOpened = oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["f" /* NODE_OPENED */]).emit,
emitNodeClosed = oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["d" /* NODE_CLOSED */]).emit,
emitRootOpened = oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["i" /* ROOT_PATH_FOUND */]).emit,
emitRootClosed = oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["h" /* ROOT_NODE_FOUND */]).emit;
function arrayIndicesAreKeys( possiblyInconsistentAscent, newDeepestNode) {
/* for values in arrays we aren't pre-warned of the coming paths
(Clarinet gives no call to onkey like it does for values in objects)
so if we are in an array we need to create this path ourselves. The
key will be len(parentNode) because array keys are always sequential
numbers. */
var parentNode = Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["c" /* nodeOf */])( Object(__WEBPACK_IMPORTED_MODULE_3__lists__["g" /* head */])( possiblyInconsistentAscent));
return Object(__WEBPACK_IMPORTED_MODULE_2__util__["c" /* isOfType */])( Array, parentNode)
?
keyFound( possiblyInconsistentAscent,
Object(__WEBPACK_IMPORTED_MODULE_2__util__["e" /* len */])(parentNode),
newDeepestNode
)
:
// nothing needed, return unchanged
possiblyInconsistentAscent
;
}
function nodeOpened( ascent, newDeepestNode ) {
if( !ascent ) {
// we discovered the root node,
emitRootOpened( newDeepestNode);
return keyFound( ascent, ROOT_PATH, newDeepestNode);
}
// we discovered a non-root node
var arrayConsistentAscent = arrayIndicesAreKeys( ascent, newDeepestNode),
ancestorBranches = Object(__WEBPACK_IMPORTED_MODULE_3__lists__["l" /* tail */])( arrayConsistentAscent),
previouslyUnmappedName = Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["a" /* keyOf */])( Object(__WEBPACK_IMPORTED_MODULE_3__lists__["g" /* head */])( arrayConsistentAscent));
appendBuiltContent(
ancestorBranches,
previouslyUnmappedName,
newDeepestNode
);
return Object(__WEBPACK_IMPORTED_MODULE_3__lists__["d" /* cons */])(
Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["b" /* namedNode */])( previouslyUnmappedName, newDeepestNode ),
ancestorBranches
);
}
/**
* Add a new value to the object we are building up to represent the
* parsed JSON
*/
function appendBuiltContent( ancestorBranches, key, node ){
Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["c" /* nodeOf */])( Object(__WEBPACK_IMPORTED_MODULE_3__lists__["g" /* head */])( ancestorBranches))[key] = node;
}
/**
* For when we find a new key in the json.
*
* @param {String|Number|Object} newDeepestName the key. If we are in an
* array will be a number, otherwise a string. May take the special
* value ROOT_PATH if the root node has just been found
*
* @param {String|Number|Object|Array|Null|undefined} [maybeNewDeepestNode]
* usually this won't be known so can be undefined. Can't use null
* to represent unknown because null is a valid value in JSON
**/
function keyFound(ascent, newDeepestName, maybeNewDeepestNode) {
if( ascent ) { // if not root
// If we have the key but (unless adding to an array) no known value
// yet. Put that key in the output but against no defined value:
appendBuiltContent( ascent, newDeepestName, maybeNewDeepestNode );
}
var ascentWithNewPath = Object(__WEBPACK_IMPORTED_MODULE_3__lists__["d" /* cons */])(
Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["b" /* namedNode */])( newDeepestName,
maybeNewDeepestNode),
ascent
);
emitNodeOpened( ascentWithNewPath);
return ascentWithNewPath;
}
/**
* For when the current node ends.
*/
function nodeClosed( ascent ) {
emitNodeClosed( ascent);
return Object(__WEBPACK_IMPORTED_MODULE_3__lists__["l" /* tail */])( ascent) ||
// If there are no nodes left in the ascent the root node
// just closed. Emit a special event for this:
emitRootClosed(Object(__WEBPACK_IMPORTED_MODULE_1__ascent__["c" /* nodeOf */])(Object(__WEBPACK_IMPORTED_MODULE_3__lists__["g" /* head */])(ascent)));
}
var contentBuilderHandlers = {};
contentBuilderHandlers[__WEBPACK_IMPORTED_MODULE_0__events__["l" /* SAX_VALUE_OPEN */]] = nodeOpened;
contentBuilderHandlers[__WEBPACK_IMPORTED_MODULE_0__events__["k" /* SAX_VALUE_CLOSE */]] = nodeClosed;
contentBuilderHandlers[__WEBPACK_IMPORTED_MODULE_0__events__["j" /* SAX_KEY */]] = keyFound;
return contentBuilderHandlers;
}
/***/ }),
/* 7 */
/***/ (function(module, exports) {
module.exports = require("url");
/***/ }),
/* 8 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__publicApi__ = __webpack_require__(5);
/* harmony default export */ __webpack_exports__["default"] = (__WEBPACK_IMPORTED_MODULE_0__publicApi__["a" /* oboe */]);
/***/ }),
/* 9 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return applyDefaults; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__util__ = __webpack_require__(2);
function applyDefaults( passthrough, url, httpMethodName, body, headers, withCredentials, cached ){
headers = headers ?
// Shallow-clone the headers array. This allows it to be
// modified without side effects to the caller. We don't
// want to change objects that the user passes in.
JSON.parse(JSON.stringify(headers))
: {};
if( body ) {
if( !Object(__WEBPACK_IMPORTED_MODULE_0__util__["d" /* isString */])(body) ) {
// If the body is not a string, stringify it. This allows objects to
// be given which will be sent as JSON.
body = JSON.stringify(body);
// Default Content-Type to JSON unless given otherwise.
headers['Content-Type'] = headers['Content-Type'] || 'application/json';
}
headers['Content-Length'] = headers['Content-Length'] || body.length;
} else {
body = null;
}
// support cache busting like jQuery.ajax({cache:false})
function modifiedUrl(baseUrl, cached) {
if( cached === false ) {
if( baseUrl.indexOf('?') == -1 ) {
baseUrl += '?';
} else {
baseUrl += '&';
}
baseUrl += '_=' + new Date().getTime();
}
return baseUrl;
}
return passthrough( httpMethodName || 'GET', modifiedUrl(url, cached), body, headers, withCredentials || false );
}
/***/ }),
/* 10 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return wire; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__pubSub__ = __webpack_require__(11);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__ascentManager__ = __webpack_require__(13);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__incrementalContentBuilder__ = __webpack_require__(6);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__patternAdapter__ = __webpack_require__(14);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__jsonPath__ = __webpack_require__(15);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_5__instanceApi__ = __webpack_require__(17);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_6__libs_clarinet__ = __webpack_require__(18);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_7__streamingHttp_node__ = __webpack_require__(19);
/**
* This file sits just behind the API which is used to attain a new
* Oboe instance. It creates the new components that are required
* and introduces them to each other.
*/
function wire (httpMethodName, contentSource, body, headers, withCredentials){
var oboeBus = Object(__WEBPACK_IMPORTED_MODULE_0__pubSub__["a" /* pubSub */])();
// Wire the input stream in if we are given a content source.
// This will usually be the case. If not, the instance created
// will have to be passed content from an external source.
if( contentSource ) {
Object(__WEBPACK_IMPORTED_MODULE_7__streamingHttp_node__["b" /* streamingHttp */])( oboeBus,
Object(__WEBPACK_IMPORTED_MODULE_7__streamingHttp_node__["a" /* httpTransport */])(),
httpMethodName,
contentSource,
body,
headers,
withCredentials
);
}
Object(__WEBPACK_IMPORTED_MODULE_6__libs_clarinet__["a" /* clarinet */])(oboeBus);
Object(__WEBPACK_IMPORTED_MODULE_1__ascentManager__["a" /* ascentManager */])(oboeBus, Object(__WEBPACK_IMPORTED_MODULE_2__incrementalContentBuilder__["b" /* incrementalContentBuilder */])(oboeBus));
Object(__WEBPACK_IMPORTED_MODULE_3__patternAdapter__["a" /* patternAdapter */])(oboeBus, __WEBPACK_IMPORTED_MODULE_4__jsonPath__["a" /* jsonPathCompiler */]);
return Object(__WEBPACK_IMPORTED_MODULE_5__instanceApi__["a" /* instanceApi */])(oboeBus, contentSource);
}
/***/ }),
/* 11 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return pubSub; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__singleEventPubSub__ = __webpack_require__(12);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__functional__ = __webpack_require__(0);
/**
* pubSub is a curried interface for listening to and emitting
* events.
*
* If we get a bus:
*
* var bus = pubSub();
*
* We can listen to event 'foo' like:
*
* bus('foo').on(myCallback)
*
* And emit event foo like:
*
* bus('foo').emit()
*
* or, with a parameter:
*
* bus('foo').emit('bar')
*
* All functions can be cached and don't need to be
* bound. Ie:
*
* var fooEmitter = bus('foo').emit
* fooEmitter('bar'); // emit an event
* fooEmitter('baz'); // emit another
*
* There's also an uncurried[1] shortcut for .emit and .on:
*
* bus.on('foo', callback)
* bus.emit('foo', 'bar')
*
* [1]: http://zvon.org/other/haskell/Outputprelude/uncurry_f.html
*/
function pubSub(){
var singles = {},
newListener = newSingle('newListener'),
removeListener = newSingle('removeListener');
function newSingle(eventName) {
return singles[eventName] = Object(__WEBPACK_IMPORTED_MODULE_0__singleEventPubSub__["a" /* singleEventPubSub */])(
eventName,
newListener,
removeListener
);
}
/** pubSub instances are functions */
function pubSubInstance( eventName ){
return singles[eventName] || newSingle( eventName );
}
// add convenience EventEmitter-style uncurried form of 'emit' and 'on'
['emit', 'on', 'un'].forEach(function(methodName){
pubSubInstance[methodName] = Object(__WEBPACK_IMPORTED_MODULE_1__functional__["k" /* varArgs */])(function(eventName, parameters){
Object(__WEBPACK_IMPORTED_MODULE_1__functional__["b" /* apply */])( parameters, pubSubInstance( eventName )[methodName]);
});
});
return pubSubInstance;
}
/***/ }),
/* 12 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return singleEventPubSub; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__lists__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__util__ = __webpack_require__(2);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__functional__ = __webpack_require__(0);
/**
* A pub/sub which is responsible for a single event type. A
* multi-event type event bus is created by pubSub by collecting
* several of these.
*
* @param {String} eventType
* the name of the events managed by this singleEventPubSub
* @param {singleEventPubSub} [newListener]
* place to notify of new listeners
* @param {singleEventPubSub} [removeListener]
* place to notify of when listeners are removed
*/
function singleEventPubSub(eventType, newListener, removeListener){
/** we are optimised for emitting events over firing them.
* As well as the tuple list which stores event ids and
* listeners there is a list with just the listeners which
* can be iterated more quickly when we are emitting
*/
var listenerTupleList,
listenerList;
function hasId(id){
return function(tuple) {
return tuple.id == id;
};
}
return {
/**
* @param {Function} listener
* @param {*} listenerId
* an id that this listener can later by removed by.
* Can be of any type, to be compared to other ids using ==
*/
on:function( listener, listenerId ) {
var tuple = {
listener: listener
, id: listenerId || listener // when no id is given use the
// listener function as the id
};
if( newListener ) {
newListener.emit(eventType, listener, tuple.id);
}
listenerTupleList = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["d" /* cons */])( tuple, listenerTupleList );
listenerList = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["d" /* cons */])( listener, listenerList );
return this; // chaining
},
emit:function () {
Object(__WEBPACK_IMPORTED_MODULE_0__lists__["b" /* applyEach */])( listenerList, arguments );
},
un: function( listenerId ) {
var removed;
listenerTupleList = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["m" /* without */])(
listenerTupleList,
hasId(listenerId),
function(tuple){
removed = tuple;
}
);
if( removed ) {
listenerList = Object(__WEBPACK_IMPORTED_MODULE_0__lists__["m" /* without */])( listenerList, function(listener){
return listener == removed.listener;
});
if( removeListener ) {
removeListener.emit(eventType, removed.listener, removed.id);
}
}
},
listeners: function(){
// differs from Node EventEmitter: returns list, not array
return listenerList;
},
hasListener: function(listenerId){
var test = listenerId? hasId(listenerId) : __WEBPACK_IMPORTED_MODULE_2__functional__["a" /* always */];
return Object(__WEBPACK_IMPORTED_MODULE_1__util__["a" /* defined */])(Object(__WEBPACK_IMPORTED_MODULE_0__lists__["e" /* first */])( test, listenerTupleList));
}
};
}
/***/ }),
/* 13 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return ascentManager; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__ascent__ = __webpack_require__(4);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__events__ = __webpack_require__(3);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__lists__ = __webpack_require__(1);
/**
* A bridge used to assign stateless functions to listen to clarinet.
*
* As well as the parameter from clarinet, each callback will also be passed
* the result of the last callback.
*
* This may also be used to clear all listeners by assigning zero handlers:
*
* ascentManager( clarinet, {} )
*/
function ascentManager(oboeBus, handlers){
"use strict";
var listenerId = {},
ascent;
function stateAfter(handler) {
return function(param){
ascent = handler( ascent, param);
}
}
for( var eventName in handlers ) {
oboeBus(eventName).on(stateAfter(handlers[eventName]), listenerId);
}
oboeBus(__WEBPACK_IMPORTED_MODULE_1__events__["g" /* NODE_SWAP */]).on(function(newNode) {
var oldHead = Object(__WEBPACK_IMPORTED_MODULE_2__lists__["g" /* head */])(ascent),
key = Object(__WEBPACK_IMPORTED_MODULE_0__ascent__["a" /* keyOf */])(oldHead),
ancestors = Object(__WEBPACK_IMPORTED_MODULE_2__lists__["l" /* tail */])(ascent),
parentNode;
if( ancestors ) {
parentNode = Object(__WEBPACK_IMPORTED_MODULE_0__ascent__["c" /* nodeOf */])(Object(__WEBPACK_IMPORTED_MODULE_2__lists__["g" /* head */])(ancestors));
parentNode[key] = newNode;
}
});
oboeBus(__WEBPACK_IMPORTED_MODULE_1__events__["e" /* NODE_DROP */]).on(function() {
var oldHead = Object(__WEBPACK_IMPORTED_MODULE_2__lists__["g" /* head */])(ascent),
key = Object(__WEBPACK_IMPORTED_MODULE_0__ascent__["a" /* keyOf */])(oldHead),
ancestors = Object(__WEBPACK_IMPORTED_MODULE_2__lists__["l" /* tail */])(ascent),
parentNode;
if( ancestors ) {
parentNode = Object(__WEBPACK_IMPORTED_MODULE_0__ascent__["c" /* nodeOf */])(Object(__WEBPACK_IMPORTED_MODULE_2__lists__["g" /* head */])(ancestors));
delete parentNode[key];
}
});
oboeBus(__WEBPACK_IMPORTED_MODULE_1__events__["a" /* ABORTING */]).on(function(){
for( var eventName in handlers ) {
oboeBus(eventName).un(listenerId);
}
});
}
/***/ }),
/* 14 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return patternAdapter; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__events__ = __webpack_require__(3);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__lists__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__ascent__ = __webpack_require__(4);
/**
* The pattern adaptor listens for newListener and removeListener
* events. When patterns are added or removed it compiles the JSONPath
* and wires them up.
*
* When nodes and paths are found it emits the fully-qualified match
* events with parameters ready to ship to the outside world
*/
function patternAdapter(oboeBus, jsonPathCompiler) {
var predicateEventMap = {
node:oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["d" /* NODE_CLOSED */])
, path:oboeBus(__WEBPACK_IMPORTED_MODULE_0__events__["f" /* NODE_OPENED */])
};
function emitMatchingNode(emitMatch, node, ascent) {
/*
We're now calling to the outside world where Lisp-style
lists will not be familiar. Convert to standard arrays.
Also, reverse the order because it is more common to
list paths "root to leaf" than "leaf to root" */
var descent = Object(__WEBPACK_IMPORTED_MODULE_1__lists__["k" /* reverseList */])(ascent);
emitMatch(
node,
// To make a path, strip off the last item which is the special
// ROOT_PATH token for the 'path' to the root node
Object(__WEBPACK_IMPORTED_MODULE_1__lists__["i" /* listAsArray */])(Object(__WEBPACK_IMPORTED_MODULE_1__lists__["l" /* tail */])(Object(__WEBPACK_IMPORTED_MODULE_1__lists__["j" /* map */])(__WEBPACK_IMPORTED_MODULE_2__ascent__["a" /* keyOf */],descent))), // path
Object(__WEBPACK_IMPORTED_MODULE_1__lists__["i" /* listAsArray */])(Object(__WEBPACK_IMPORTED_MODULE_1__lists__["j" /* map */])(__WEBPACK_IMPORTED_MODULE_2__ascent__["c" /* nodeOf */], descent)) // ancestors
);
}
/*
* Set up the catching of events such as NODE_CLOSED and NODE_OPENED and, if
* matching the specified pattern, propagate to pattern-match events such as
* oboeBus('node:!')
*
*
*
* @param {Function} predicateEvent
* either oboeBus(NODE_CLOSED) or oboeBus(NODE_OPENED).
* @param {Function} compiledJsonPath
*/
function addUnderlyingListener( fullEventName, predicateEvent, compiledJsonPath ){
var emitMatch = oboeBus(fullEventName).emit;
predicateEvent.on( function (ascent) {
var maybeMatchingMapping = compiledJsonPath(ascent);
/* Possible values for maybeMatchingMapping are now:
false:
we did not match
an object/array/string/number/null:
we matched and have the node that matched.
Because nulls are valid json values this can be null.
undefined:
we matched but don't have the matching node yet.
ie, we know there is an upcoming node that matches but we
can't say anything else about it.
*/
if (maybeMatchingMapping !== false) {
emitMatchingNode(
emitMatch,
Object(__WEBPACK_IMPORTED_MODULE_2__ascent__["c" /* nodeOf */])(maybeMatchingMapping),
ascent
);
}
}, fullEventName);
oboeBus('removeListener').on( function(removedEventName){
// if the fully qualified match event listener is later removed, clean up
// by removing the underlying listener if it was the last using that pattern:
if( removedEventName == fullEventName ) {
if( !oboeBus(removedEventName).listeners( )) {
predicateEvent.un( fullEventName );
}
}
});
}
oboeBus('newListener').on( function(fullEventName){
var match = /(node|path):(.*)/.exec(fullEventName);
if( match ) {
var predicateEvent = predicateEventMap[match[1]];
if( !predicateEvent.hasListener( fullEventName) ) {
addUnderlyingListener(
fullEventName,
predicateEvent,
jsonPathCompiler( match[2] )
);
}
}
})
}
/***/ }),
/* 15 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return jsonPathCompiler; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__functional__ = __webpack_require__(0);
/* harmony import */ var