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{"version":3,"file":"dexie.js","sources":["../src/utils.js","../src/debug.js","../src/errors.js","../src/chaining-functions.js","../src/Promise.js","../src/Events.js","../src/Dexie.js"],"sourcesContent":["export var keys = Object.keys;\nexport var isArray = Array.isArray;\nexport var _global =\n typeof self !== 'undefined' ? self :\n typeof window !== 'undefined' ? window :\n global;\n\nexport function extend(obj, extension) {\n if (typeof extension !== 'object') return obj;\n keys(extension).forEach(function (key) {\n obj[key] = extension[key];\n });\n return obj;\n}\n\nexport const getProto = Object.getPrototypeOf;\nexport const _hasOwn = {}.hasOwnProperty;\nexport function hasOwn(obj, prop) {\n return _hasOwn.call(obj, prop);\n}\n\nexport function props (proto, extension) {\n if (typeof extension === 'function') extension = extension(getProto(proto));\n keys(extension).forEach(key => {\n setProp(proto, key, extension[key]);\n });\n}\n\nexport const defineProperty = Object.defineProperty;\n\nexport function setProp(obj, prop, functionOrGetSet, options) {\n defineProperty(obj, prop, extend(functionOrGetSet && hasOwn(functionOrGetSet, \"get\") && typeof functionOrGetSet.get === 'function' ?\n {get: functionOrGetSet.get, set: functionOrGetSet.set, configurable: true} :\n {value: functionOrGetSet, configurable: true, writable: true}, options));\n}\n\nexport function derive(Child) {\n return {\n from: function (Parent) {\n Child.prototype = Object.create(Parent.prototype);\n setProp(Child.prototype, \"constructor\", Child);\n return {\n extend: props.bind(null, Child.prototype)\n };\n }\n };\n}\n\nexport const getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\n\nexport function getPropertyDescriptor(obj, prop) {\n var pd = getOwnPropertyDescriptor(obj, prop),\n proto;\n return pd || (proto = getProto(obj)) && getPropertyDescriptor (proto, prop);\n}\n\nvar _slice = [].slice;\nexport function slice(args, start, end) {\n return _slice.call(args, start, end);\n}\n\nexport function override(origFunc, overridedFactory) {\n return overridedFactory(origFunc);\n}\n\nexport function assert (b) {\n if (!b) throw new Error(\"Assertion Failed\");\n}\n\nexport function asap(fn) {\n if (_global.setImmediate) setImmediate(fn); else setTimeout(fn, 0);\n}\n\nexport function getUniqueArray(a) {\n return a.filter((value, index, self) => self.indexOf(value) === index);\n}\n\n/** Generate an object (hash map) based on given array.\n * @param extractor Function taking an array item and its index and returning an array of 2 items ([key, value]) to\n * instert on the resulting object for each item in the array. If this function returns a falsy value, the\n * current item wont affect the resulting object.\n */\nexport function arrayToObject (array, extractor) {\n return array.reduce((result, item, i) => {\n var nameAndValue = extractor(item, i);\n if (nameAndValue) result[nameAndValue[0]] = nameAndValue[1];\n return result;\n }, {});\n}\n\nexport function trycatcher(fn, reject) {\n return function () {\n try {\n fn.apply(this, arguments);\n } catch (e) {\n reject(e);\n }\n };\n}\n\nexport function tryCatch(fn, onerror, args) {\n try {\n fn.apply(null, args);\n } catch (ex) {\n onerror && onerror(ex);\n }\n}\n\nexport function getByKeyPath(obj, keyPath) {\n // http://www.w3.org/TR/IndexedDB/#steps-for-extracting-a-key-from-a-value-using-a-key-path\n if (hasOwn(obj, keyPath)) return obj[keyPath]; // This line is moved from last to first for optimization purpose.\n if (!keyPath) return obj;\n if (typeof keyPath !== 'string') {\n var rv = [];\n for (var i = 0, l = keyPath.length; i < l; ++i) {\n var val = getByKeyPath(obj, keyPath[i]);\n rv.push(val);\n }\n return rv;\n }\n var period = keyPath
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