2021-12-07 13:18:08 -05:00

849 lines
25 KiB
JavaScript

function _typeof(obj) {
if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
_typeof = function (obj) {
return typeof obj;
};
} else {
_typeof = function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
}
return _typeof(obj);
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _construct(Parent, args, Class) {
if (isNativeReflectConstruct()) {
_construct = Reflect.construct;
} else {
_construct = function _construct(Parent, args, Class) {
var a = [null];
a.push.apply(a, args);
var Constructor = Function.bind.apply(Parent, a);
var instance = new Constructor();
if (Class) _setPrototypeOf(instance, Class.prototype);
return instance;
};
}
return _construct.apply(null, arguments);
}
function _isNativeFunction(fn) {
return Function.toString.call(fn).indexOf("[native code]") !== -1;
}
function _wrapNativeSuper(Class) {
var _cache = typeof Map === "function" ? new Map() : undefined;
_wrapNativeSuper = function _wrapNativeSuper(Class) {
if (Class === null || !_isNativeFunction(Class)) return Class;
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {
return _construct(Class, arguments, _getPrototypeOf(this).constructor);
}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writable: true,
configurable: true
}
});
return _setPrototypeOf(Wrapper, Class);
};
return _wrapNativeSuper(Class);
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
return _assertThisInitialized(self);
}
/* eslint-disable no-eval */
var globalEval = eval; // eslint-disable-next-line import/no-commonjs
var supportsNodeVM = typeof module !== 'undefined' && Boolean(module.exports) && !(typeof navigator !== 'undefined' && navigator.product === 'ReactNative');
var allowedResultTypes = ['value', 'path', 'pointer', 'parent', 'parentProperty', 'all'];
var hasOwnProp = Object.prototype.hasOwnProperty;
/**
* Copy items out of one array into another.
* @param {Array} source Array with items to copy
* @param {Array} target Array to which to copy
* @param {Function} conditionCb Callback passed the current item; will move
* item if evaluates to `true`
* @returns {undefined}
*/
var moveToAnotherArray = function moveToAnotherArray(source, target, conditionCb) {
var il = source.length;
for (var i = 0; i < il; i++) {
var item = source[i];
if (conditionCb(item)) {
target.push(source.splice(i--, 1)[0]);
}
}
};
var vm = supportsNodeVM ? require('vm') : {
/**
* @param {string} expr Expression to evaluate
* @param {Object} context Object whose items will be added to evaluation
* @returns {*} Result of evaluated code
*/
runInNewContext: function runInNewContext(expr, context) {
var keys = Object.keys(context);
var funcs = [];
moveToAnotherArray(keys, funcs, function (key) {
return typeof context[key] === 'function';
});
var code = funcs.reduce(function (s, func) {
var fString = context[func].toString();
if (!/function/.exec(fString)) {
fString = 'function ' + fString;
}
return 'var ' + func + '=' + fString + ';' + s;
}, '') + keys.reduce(function (s, vr) {
return 'var ' + vr + '=' + JSON.stringify(context[vr]).replace( // http://www.thespanner.co.uk/2011/07/25/the-json-specification-is-now-wrong/
/\u2028|\u2029/g, function (m) {
return "\\u202" + (m === "\u2028" ? '8' : '9');
}) + ';' + s;
}, expr);
return globalEval(code);
}
};
/**
* Copies array and then pushes item into it.
* @param {Array} arr Array to copy and into which to push
* @param {*} item Array item to add (to end)
* @returns {Array} Copy of the original array
*/
function push(arr, item) {
arr = arr.slice();
arr.push(item);
return arr;
}
/**
* Copies array and then unshifts item into it.
* @param {*} item Array item to add (to beginning)
* @param {Array} arr Array to copy and into which to unshift
* @returns {Array} Copy of the original array
*/
function unshift(item, arr) {
arr = arr.slice();
arr.unshift(item);
return arr;
}
/**
* Caught when JSONPath is used without `new` but rethrown if with `new`
* @extends Error
*/
var NewError =
/*#__PURE__*/
function (_Error) {
_inherits(NewError, _Error);
/**
* @param {*} value The evaluated scalar value
*/
function NewError(value) {
var _this;
_classCallCheck(this, NewError);
_this = _possibleConstructorReturn(this, _getPrototypeOf(NewError).call(this, 'JSONPath should not be called with "new" (it prevents return of (unwrapped) scalar values)'));
_this.avoidNew = true;
_this.value = value;
_this.name = 'NewError';
return _this;
}
return NewError;
}(_wrapNativeSuper(Error));
/**
* @param {Object} [opts] If present, must be an object
* @param {string} expr JSON path to evaluate
* @param {JSON} obj JSON object to evaluate against
* @param {Function} callback Passed 3 arguments: 1) desired payload per `resultType`,
* 2) `"value"|"property"`, 3) Full returned object with all payloads
* @param {Function} otherTypeCallback If `@other()` is at the end of one's query, this
* will be invoked with the value of the item, its path, its parent, and its parent's
* property name, and it should return a boolean indicating whether the supplied value
* belongs to the "other" type or not (or it may handle transformations and return `false`).
* @returns {JSONPath}
* @class
*/
function JSONPath(opts, expr, obj, callback, otherTypeCallback) {
// eslint-disable-next-line no-restricted-syntax
if (!(this instanceof JSONPath)) {
try {
return new JSONPath(opts, expr, obj, callback, otherTypeCallback);
} catch (e) {
if (!e.avoidNew) {
throw e;
}
return e.value;
}
}
if (typeof opts === 'string') {
otherTypeCallback = callback;
callback = obj;
obj = expr;
expr = opts;
opts = {};
}
opts = opts || {};
var objArgs = hasOwnProp.call(opts, 'json') && hasOwnProp.call(opts, 'path');
this.json = opts.json || obj;
this.path = opts.path || expr;
this.resultType = opts.resultType && opts.resultType.toLowerCase() || 'value';
this.flatten = opts.flatten || false;
this.wrap = hasOwnProp.call(opts, 'wrap') ? opts.wrap : true;
this.sandbox = opts.sandbox || {};
this.preventEval = opts.preventEval || false;
this.parent = opts.parent || null;
this.parentProperty = opts.parentProperty || null;
this.callback = opts.callback || callback || null;
this.otherTypeCallback = opts.otherTypeCallback || otherTypeCallback || function () {
throw new Error('You must supply an otherTypeCallback callback option with the @other() operator.');
};
if (opts.autostart !== false) {
var ret = this.evaluate({
path: objArgs ? opts.path : expr,
json: objArgs ? opts.json : obj
});
if (!ret || _typeof(ret) !== 'object') {
throw new NewError(ret);
}
return ret;
}
} // PUBLIC METHODS
JSONPath.prototype.evaluate = function (expr, json, callback, otherTypeCallback) {
var that = this;
var currParent = this.parent,
currParentProperty = this.parentProperty;
var flatten = this.flatten,
wrap = this.wrap;
this.currResultType = this.resultType;
this.currPreventEval = this.preventEval;
this.currSandbox = this.sandbox;
callback = callback || this.callback;
this.currOtherTypeCallback = otherTypeCallback || this.otherTypeCallback;
json = json || this.json;
expr = expr || this.path;
if (expr && _typeof(expr) === 'object') {
if (!expr.path) {
throw new Error('You must supply a "path" property when providing an object argument to JSONPath.evaluate().');
}
json = hasOwnProp.call(expr, 'json') ? expr.json : json;
flatten = hasOwnProp.call(expr, 'flatten') ? expr.flatten : flatten;
this.currResultType = hasOwnProp.call(expr, 'resultType') ? expr.resultType : this.currResultType;
this.currSandbox = hasOwnProp.call(expr, 'sandbox') ? expr.sandbox : this.currSandbox;
wrap = hasOwnProp.call(expr, 'wrap') ? expr.wrap : wrap;
this.currPreventEval = hasOwnProp.call(expr, 'preventEval') ? expr.preventEval : this.currPreventEval;
callback = hasOwnProp.call(expr, 'callback') ? expr.callback : callback;
this.currOtherTypeCallback = hasOwnProp.call(expr, 'otherTypeCallback') ? expr.otherTypeCallback : this.currOtherTypeCallback;
currParent = hasOwnProp.call(expr, 'parent') ? expr.parent : currParent;
currParentProperty = hasOwnProp.call(expr, 'parentProperty') ? expr.parentProperty : currParentProperty;
expr = expr.path;
}
currParent = currParent || null;
currParentProperty = currParentProperty || null;
if (Array.isArray(expr)) {
expr = JSONPath.toPathString(expr);
}
if (!expr || !json || !allowedResultTypes.includes(this.currResultType)) {
return undefined;
}
this._obj = json;
var exprList = JSONPath.toPathArray(expr);
if (exprList[0] === '$' && exprList.length > 1) {
exprList.shift();
}
this._hasParentSelector = null;
var result = this._trace(exprList, json, ['$'], currParent, currParentProperty, callback).filter(function (ea) {
return ea && !ea.isParentSelector;
});
if (!result.length) {
return wrap ? [] : undefined;
}
if (result.length === 1 && !wrap && !Array.isArray(result[0].value)) {
return this._getPreferredOutput(result[0]);
}
return result.reduce(function (rslt, ea) {
var valOrPath = that._getPreferredOutput(ea);
if (flatten && Array.isArray(valOrPath)) {
rslt = rslt.concat(valOrPath);
} else {
rslt.push(valOrPath);
}
return rslt;
}, []);
}; // PRIVATE METHODS
JSONPath.prototype._getPreferredOutput = function (ea) {
var resultType = this.currResultType;
switch (resultType) {
default:
throw new TypeError('Unknown result type');
case 'all':
ea.pointer = JSONPath.toPointer(ea.path);
ea.path = typeof ea.path === 'string' ? ea.path : JSONPath.toPathString(ea.path);
return ea;
case 'value':
case 'parent':
case 'parentProperty':
return ea[resultType];
case 'path':
return JSONPath.toPathString(ea[resultType]);
case 'pointer':
return JSONPath.toPointer(ea.path);
}
};
JSONPath.prototype._handleCallback = function (fullRetObj, callback, type) {
if (callback) {
var preferredOutput = this._getPreferredOutput(fullRetObj);
fullRetObj.path = typeof fullRetObj.path === 'string' ? fullRetObj.path : JSONPath.toPathString(fullRetObj.path); // eslint-disable-next-line callback-return
callback(preferredOutput, type, fullRetObj);
}
};
JSONPath.prototype._trace = function (expr, val, path, parent, parentPropName, callback, literalPriority) {
// No expr to follow? return path and value as the result of this trace branch
var retObj;
var that = this;
if (!expr.length) {
retObj = {
path: path,
value: val,
parent: parent,
parentProperty: parentPropName
};
this._handleCallback(retObj, callback, 'value');
return retObj;
}
var loc = expr[0],
x = expr.slice(1); // We need to gather the return value of recursive trace calls in order to
// do the parent sel computation.
var ret = [];
function addRet(elems) {
if (Array.isArray(elems)) {
// This was causing excessive stack size in Node (with or without Babel) against our performance test: `ret.push(...elems);`
elems.forEach(function (t) {
ret.push(t);
});
} else {
ret.push(elems);
}
}
if ((typeof loc !== 'string' || literalPriority) && val && hasOwnProp.call(val, loc)) {
// simple case--directly follow property
addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback));
} else if (loc === '*') {
// all child properties
// eslint-disable-next-line no-shadow
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, x, v, p, par, pr, cb) {
addRet(that._trace(unshift(m, x), v, p, par, pr, cb, true));
});
} else if (loc === '..') {
// all descendent parent properties
addRet(this._trace(x, val, path, parent, parentPropName, callback)); // Check remaining expression with val's immediate children
// eslint-disable-next-line no-shadow
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, x, v, p, par, pr, cb) {
// We don't join m and x here because we only want parents, not scalar values
if (_typeof(v[m]) === 'object') {
// Keep going with recursive descent on val's object children
addRet(that._trace(unshift(l, x), v[m], push(p, m), v, m, cb));
}
}); // The parent sel computation is handled in the frame above using the
// ancestor object of val
} else if (loc === '^') {
// This is not a final endpoint, so we do not invoke the callback here
this._hasParentSelector = true;
return path.length ? {
path: path.slice(0, -1),
expr: x,
isParentSelector: true
} : [];
} else if (loc === '~') {
// property name
retObj = {
path: push(path, loc),
value: parentPropName,
parent: parent,
parentProperty: null
};
this._handleCallback(retObj, callback, 'property');
return retObj;
} else if (loc === '$') {
// root only
addRet(this._trace(x, val, path, null, null, callback));
} else if (/^(-?\d*):(-?\d*):?(\d*)$/.test(loc)) {
// [start:end:step] Python slice syntax
addRet(this._slice(loc, x, val, path, parent, parentPropName, callback));
} else if (loc.indexOf('?(') === 0) {
// [?(expr)] (filtering)
if (this.currPreventEval) {
throw new Error('Eval [?(expr)] prevented in JSONPath expression.');
} // eslint-disable-next-line no-shadow
this._walk(loc, x, val, path, parent, parentPropName, callback, function (m, l, x, v, p, par, pr, cb) {
if (that._eval(l.replace(/^\?\((.*?)\)$/, '$1'), v[m], m, p, par, pr)) {
addRet(that._trace(unshift(m, x), v, p, par, pr, cb));
}
});
} else if (loc[0] === '(') {
// [(expr)] (dynamic property/index)
if (this.currPreventEval) {
throw new Error('Eval [(expr)] prevented in JSONPath expression.');
} // As this will resolve to a property name (but we don't know it yet), property and parent information is relative to the parent of the property to which this expression will resolve
addRet(this._trace(unshift(this._eval(loc, val, path[path.length - 1], path.slice(0, -1), parent, parentPropName), x), val, path, parent, parentPropName, callback));
} else if (loc[0] === '@') {
// value type: @boolean(), etc.
var addType = false;
var valueType = loc.slice(1, -2);
switch (valueType) {
default:
throw new TypeError('Unknown value type ' + valueType);
case 'scalar':
if (!val || !['object', 'function'].includes(_typeof(val))) {
addType = true;
}
break;
case 'boolean':
case 'string':
case 'undefined':
case 'function':
if (_typeof(val) === valueType) {
// eslint-disable-line valid-typeof
addType = true;
}
break;
case 'number':
if (_typeof(val) === valueType && isFinite(val)) {
// eslint-disable-line valid-typeof
addType = true;
}
break;
case 'nonFinite':
if (typeof val === 'number' && !isFinite(val)) {
addType = true;
}
break;
case 'object':
if (val && _typeof(val) === valueType) {
// eslint-disable-line valid-typeof
addType = true;
}
break;
case 'array':
if (Array.isArray(val)) {
addType = true;
}
break;
case 'other':
addType = this.currOtherTypeCallback(val, path, parent, parentPropName);
break;
case 'integer':
if (val === Number(val) && isFinite(val) && !(val % 1)) {
addType = true;
}
break;
case 'null':
if (val === null) {
addType = true;
}
break;
}
if (addType) {
retObj = {
path: path,
value: val,
parent: parent,
parentProperty: parentPropName
};
this._handleCallback(retObj, callback, 'value');
return retObj;
}
} else if (loc[0] === '`' && val && hasOwnProp.call(val, loc.slice(1))) {
// `-escaped property
var locProp = loc.slice(1);
addRet(this._trace(x, val[locProp], push(path, locProp), val, locProp, callback, true));
} else if (loc.includes(',')) {
// [name1,name2,...]
var parts = loc.split(',');
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = parts[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var part = _step.value;
addRet(this._trace(unshift(part, x), val, path, parent, parentPropName, callback));
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"] != null) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
} else if (!literalPriority && val && hasOwnProp.call(val, loc)) {
// simple case--directly follow property
addRet(this._trace(x, val[loc], push(path, loc), val, loc, callback, true));
} // We check the resulting values for parent selections. For parent
// selections we discard the value object and continue the trace with the
// current val object
if (this._hasParentSelector) {
// eslint-disable-next-line unicorn/no-for-loop
for (var t = 0; t < ret.length; t++) {
var rett = ret[t];
if (rett.isParentSelector) {
var tmp = that._trace(rett.expr, val, rett.path, parent, parentPropName, callback);
if (Array.isArray(tmp)) {
ret[t] = tmp[0];
var tl = tmp.length;
for (var tt = 1; tt < tl; tt++) {
t++;
ret.splice(t, 0, tmp[tt]);
}
} else {
ret[t] = tmp;
}
}
}
}
return ret;
};
JSONPath.prototype._walk = function (loc, expr, val, path, parent, parentPropName, callback, f) {
if (Array.isArray(val)) {
var n = val.length;
for (var i = 0; i < n; i++) {
f(i, loc, expr, val, path, parent, parentPropName, callback);
}
} else if (_typeof(val) === 'object') {
for (var m in val) {
if (hasOwnProp.call(val, m)) {
f(m, loc, expr, val, path, parent, parentPropName, callback);
}
}
}
};
JSONPath.prototype._slice = function (loc, expr, val, path, parent, parentPropName, callback) {
if (!Array.isArray(val)) {
return undefined;
}
var len = val.length,
parts = loc.split(':'),
step = parts[2] && parseInt(parts[2]) || 1;
var start = parts[0] && parseInt(parts[0]) || 0,
end = parts[1] && parseInt(parts[1]) || len;
start = start < 0 ? Math.max(0, start + len) : Math.min(len, start);
end = end < 0 ? Math.max(0, end + len) : Math.min(len, end);
var ret = [];
for (var i = start; i < end; i += step) {
var tmp = this._trace(unshift(i, expr), val, path, parent, parentPropName, callback);
if (Array.isArray(tmp)) {
// This was causing excessive stack size in Node (with or without Babel) against our performance test: `ret.push(...tmp);`
tmp.forEach(function (t) {
ret.push(t);
});
} else {
ret.push(tmp);
}
}
return ret;
};
JSONPath.prototype._eval = function (code, _v, _vname, path, parent, parentPropName) {
if (!this._obj || !_v) {
return false;
}
if (code.includes('@parentProperty')) {
this.currSandbox._$_parentProperty = parentPropName;
code = code.replace(/@parentProperty/g, '_$_parentProperty');
}
if (code.includes('@parent')) {
this.currSandbox._$_parent = parent;
code = code.replace(/@parent/g, '_$_parent');
}
if (code.includes('@property')) {
this.currSandbox._$_property = _vname;
code = code.replace(/@property/g, '_$_property');
}
if (code.includes('@path')) {
this.currSandbox._$_path = JSONPath.toPathString(path.concat([_vname]));
code = code.replace(/@path/g, '_$_path');
}
if (code.match(/@([.\s)[])/)) {
this.currSandbox._$_v = _v;
code = code.replace(/@([.\s)[])/g, '_$_v$1');
}
try {
return vm.runInNewContext(code, this.currSandbox);
} catch (e) {
// eslint-disable-next-line no-console
console.log(e);
throw new Error('jsonPath: ' + e.message + ': ' + code);
}
}; // PUBLIC CLASS PROPERTIES AND METHODS
// Could store the cache object itself
JSONPath.cache = {};
/**
* @param {string[]} pathArr Array to convert
* @returns {string} The path string
*/
JSONPath.toPathString = function (pathArr) {
var x = pathArr,
n = x.length;
var p = '$';
for (var i = 1; i < n; i++) {
if (!/^(~|\^|@.*?\(\))$/.test(x[i])) {
p += /^[0-9*]+$/.test(x[i]) ? '[' + x[i] + ']' : "['" + x[i] + "']";
}
}
return p;
};
/**
* @param {string} pointer JSON Path
* @returns {string} JSON Pointer
*/
JSONPath.toPointer = function (pointer) {
var x = pointer,
n = x.length;
var p = '';
for (var i = 1; i < n; i++) {
if (!/^(~|\^|@.*?\(\))$/.test(x[i])) {
p += '/' + x[i].toString().replace(/~/g, '~0').replace(/\//g, '~1');
}
}
return p;
};
/**
* @param {string} expr Expression to convert
* @returns {string[]}
*/
JSONPath.toPathArray = function (expr) {
var cache = JSONPath.cache;
if (cache[expr]) {
return cache[expr].concat();
}
var subx = [];
var normalized = expr // Properties
.replace(/@(?:null|boolean|number|string|integer|undefined|nonFinite|scalar|array|object|function|other)\(\)/g, ';$&;') // Parenthetical evaluations (filtering and otherwise), directly
// within brackets or single quotes
.replace(/[['](\??\(.*?\))[\]']/g, function ($0, $1) {
return '[#' + (subx.push($1) - 1) + ']';
}) // Escape periods and tildes within properties
.replace(/\['([^'\]]*)'\]/g, function ($0, prop) {
return "['" + prop.replace(/\./g, '%@%').replace(/~/g, '%%@@%%') + "']";
}) // Properties operator
.replace(/~/g, ';~;') // Split by property boundaries
.replace(/'?\.'?(?![^[]*\])|\['?/g, ';') // Reinsert periods within properties
.replace(/%@%/g, '.') // Reinsert tildes within properties
.replace(/%%@@%%/g, '~') // Parent
.replace(/(?:;)?(\^+)(?:;)?/g, function ($0, ups) {
return ';' + ups.split('').join(';') + ';';
}) // Descendents
.replace(/;;;|;;/g, ';..;') // Remove trailing
.replace(/;$|'?\]|'$/g, '');
var exprList = normalized.split(';').map(function (exp) {
var match = exp.match(/#(\d+)/);
return !match || !match[1] ? exp : subx[match[1]];
});
cache[expr] = exprList;
return cache[expr];
};
export { JSONPath };