183 lines
14 KiB
JSON
183 lines
14 KiB
JSON
{
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"_args": [
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"/Volumes/2009-SSD/GT2/GT2-iOS/node_modules/redux-logger"
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"author": {
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"name": "Phillip Clark",
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"email": "phillip@flitbit.com"
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},
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"bugs": {
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"url": "https://github.com/flitbit/diff/issues"
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},
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"contributors": [
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{
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"name": "Dan Drinkard",
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"email": "dan.drinkard@gmail.com"
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},
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{
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"name": "Daniel Spangler",
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"email": "daniel.spangler@gmail.com"
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},
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{
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"name": "Denning",
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"email": "denningj@amazon.com"
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},
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{
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"name": "Elad Efrat",
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"email": "elad@iNNU.ORG"
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},
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{
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"name": "Mats Bryntse",
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"email": "mats.dev@bryntum.com"
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},
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{
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"name": "Nicholas Calugar",
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"email": "njcalugar@gmail.com"
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},
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{
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"name": "Paul Pflugradt",
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"email": "paulpflugradt@googlemail.com"
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},
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{
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"name": "Serkan Serttop",
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"email": "serkanserttop@yahoo.com"
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},
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{
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"name": "Simen Bekkhus",
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"email": "sbekkhus91@gmail.com"
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},
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{
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"name": "Tom Ashworth",
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"email": "tashworth@twitter.com"
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},
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{
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"name": "Tom MacWright",
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"email": "tmcw@users.noreply.github.com"
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},
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{
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"name": "Yandell",
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"email": "hyandell@amazon.com"
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},
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{
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"name": "ZauberNerd",
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"email": "zaubernerd@zaubernerd.de"
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},
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{
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"name": "caasi Huang",
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"email": "caasi.igd@gmail.com"
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},
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{
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"name": "icesoar",
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"email": "icesoar@hotmail.com"
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},
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{
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"name": "orlando",
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"email": "operri@opentable.com"
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},
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{
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"name": "ravishivt",
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"email": "javishi@gmail.com"
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},
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{
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"name": "wooorm",
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"email": "tituswormer@gmail.com"
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}
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],
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"dependencies": {},
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"description": "Javascript utility for calculating deep difference, capturing changes, and applying changes across objects; for nodejs and the browser.",
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"devDependencies": {
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"deep-equal": "~1.0.0",
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"expect.js": "^0.3.1",
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"jscs": "^1.12.0",
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"jshint": "^2.6.3",
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"mocha": "^2.2.1",
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"uglifyjs": "^2.4.10"
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},
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"examples": "./examples",
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"releases": "./releases",
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"test": "./test"
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"dist": {
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"files": [
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"releases/"
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],
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"gitHead": "e271e69f4c6dbccf657cf30355d307b46659de67",
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"homepage": "https://github.com/flitbit/diff#readme",
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"keywords": [
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"diff",
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"difference",
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"compare",
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"change-tracking"
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],
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"license": "MIT",
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"main": "./index.js",
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"maintainers": [
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{
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"name": "flitbit",
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"email": "phillip@flitbit.com"
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}
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],
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"name": "deep-diff",
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"optionalDependencies": {},
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"readme": "# deep-diff [](https://travis-ci.org/flitbit/diff)\n\n**deep-diff** is a javascript/node.js module providing utility functions for determining the structural differences between objects and includes some utilities for applying differences across objects.\n\n## Features\n\n* Get the structural differences between two objects.\n* Observe the structural differences between two objects.\n* When structural differences represent change, apply change from one object to another.\n* When structural differences represent change, selectively apply change from one object to another.\n\n## ChangeLog\n\n`0.3.3` - Thanks @SimenB: enabled npm script for release (alternate to the Makefile). Also linting as part of `npm test`. Thanks @joeldenning: Fixed issue #35; diffs of top level arrays now working.\n\n`0.3.2` - Resolves #46; support more robust filters by including `lhs` and `rhs` in the filter callback. By @Orlando80\n\n`0.3.1` - Better type checking by @Drinks, UMD wrapper by @SimenB. Now certifies against nodejs 12 and iojs (Thanks @SimenB).\n\n`0.2.0` - [Fixes Bug #17](https://github.com/flitbit/diff/issues/17), [Fixes Bug #19](https://github.com/flitbit/diff/issues/19), [Enhancement #21](https://github.com/flitbit/diff/issues/21) Applying changes that are properly structured can now be applied as a change (no longer requires typeof Diff) - supports differences being applied after round-trip serialization to JSON format. Prefilter now reports the path of all changes - it was not showing a path for arrays and anything in the structure below (reported by @ravishvt).\n\n*Breaking Change* – The structure of change records for differences below an array element has changed. Array indexes are now reported as numeric elements in the `path` if the changes is merely edited (an `E` kind). Changes of kind `A` (array) are only reported for changes in the terminal array itself and will have a nested `N` (new) item or a nested `D` (deleted) item.\n\n`0.1.7` - [Enhancement #11](https://github.com/flitbit/diff/issues/11) Added the ability to filter properties that should not be analyzed while calculating differences. Makes `deep-diff` more usable with frameworks that attach housekeeping properties to existing objects. AngularJS does this, and the new filter ability should ease working with it.\n\n`0.1.6` - Changed objects within nested arrays can now be applied. They were previously recording the changes appropriately but `applyDiff` would error. Comparison of `NaN` works more sanely - comparison to number shows difference, comparison to another `Nan` does not.\n\n## Installation\n```\nnpm install deep-diff\n```\n\nFor the browser, you can install with [bower](http://bower.io/):\n\n```\nbower install deep-diff\n```\n\n## Tests\n\nTests use [mocha](http://visionmedia.github.io/mocha/) and [expect.js](https://github.com/LearnBoost/expect.js/), so if you clone the [github repository](https://github.com/flitbit/json-ptr) you'll need to run:\n\n```bash\nnpm install\n```\n\n... followed by ...\n\n```bash\nnpm test\n```\n\n... or ...\n\n```bash\nmocha -R spec\n```\n\n### Importing\n\n**nodejs**\n```javascript\nvar deep = require('deep-diff')\n```\n\n**browser**\n```html\n<script src=\"deep-diff-0.3.1.min.js\"></script>\n```\n> Minified, browser release of the current version of the module is under the `releases` folder.\n> In a browser, `deep-diff` defines a global variable `DeepDiff`. If there is a conflict in the global namesapce you can restore the conflicting definition and assign `deep-diff` to another variable like this: `var deep = DeepDiff.noConflict();`.\n\n## Simple Examples\n\nIn order to describe differences, change revolves around an `origin` object. For consistency, the `origin` object is always the operand on the `left-hand-side` of operations. The `comparand`, which may contain changes, is always on the `right-hand-side` of operations.\n\n``` javascript\nvar diff = require('deep-diff').diff;\n\nvar lhs = {\n\tname: 'my object',\n\tdescription: 'it\\'s an object!',\n\tdetails: {\n\t\tit: 'has',\n\t\tan: 'array',\n\t\twith: ['a', 'few', 'elements']\n\t}\n};\n\nvar rhs = {\n\tname: 'updated object',\n\tdescription: 'it\\'s an object!',\n\tdetails: {\n\t\tit: 'has',\n\t\tan: 'array',\n\t\twith: ['a', 'few', 'more', 'elements', { than: 'before' }]\n\t}\n};\n\nvar differences = diff(lhs, rhs);\n```\n*up to v 0.1.7* The code snippet above would result in the following structure describing the differences:\n``` javascript\n// Versions < 0.2.0\n[ { kind: 'E',\n path: [ 'name' ],\n lhs: 'my object',\n rhs: 'updated object' },\n { kind: 'A',\n path: [ 'details', 'with' ],\n index: 2,\n item: { kind: 'E', path: [], lhs: 'elements', rhs: 'more' } },\n { kind: 'A',\n path: [ 'details', 'with' ],\n index: 3,\n item: { kind: 'N', rhs: 'elements' } },\n { kind: 'A',\n path: [ 'details', 'with' ],\n index: 4,\n item: { kind: 'N', rhs: { than: 'before' } } } ]\n```\n\n*v 0.2.0 and above* The code snippet above would result in the following structure describing the differences:\n``` javascript\n[ { kind: 'E',\n path: [ 'name' ],\n lhs: 'my object',\n rhs: 'updated object' },\n { kind: 'E',\n path: [ 'details', 'with', 2 ],\n \t\tlhs: 'elements',\n \t\trhs: 'more' },\n { kind: 'A',\n path: [ 'details', 'with' ],\n index: 3,\n item: { kind: 'N', rhs: 'elements' } },\n { kind: 'A',\n path: [ 'details', 'with' ],\n index: 4,\n item: { kind: 'N', rhs: { than: 'before' } } } ]\n```\n\n### Differences\n\nDifferences are reported as one or more change records. Change records have the following structure:\n\n* `kind` - indicates the kind of change; will be one of the following:\n * `N` - indicates a newly added property/element\n * `D` - indicates a property/element was deleted\n * `E` - indicates a property/element was edited\n * `A` - indicates a change occurred within an array\n* `path` - the property path (from the left-hand-side root)\n* `lhs` - the value on the left-hand-side of the comparison (undefined if kind === 'N')\n* `rhs` - the value on the right-hand-side of the comparison (undefined if kind === 'D')\n* `index` - when kind === 'A', indicates the array index where the change occurred\n* `item` - when kind === 'A', contains a nested change record indicating the change that occurred at the array index\n\nChange records are generated for all structural differences between `origin` and `comparand`. The methods only consider an object's own properties and array elements; those inherited from an object's prototype chain are not considered.\n\nChanges to arrays are recorded simplistically. We care most about the shape of the structure; therefore we don't take the time to determine if an object moved from one slot in the array to another. Instead, we only record the structural\ndifferences. If the structural differences are applied from the `comparand` to the `origin` then the two objects will compare as \"deep equal\" using most `isEqual` implementations such as found in [lodash](https://github.com/bestiejs/lodash) or [underscore](http://underscorejs.org/).\n\n### Changes\n\nWhen two objects differ, you can observe the differences as they are calculated and selectively apply those changes to the origin object (left-hand-side).\n``` javascript\nvar observableDiff = require('deep-diff').observableDiff,\napplyChange = require('deep-diff').applyChange;\n\nvar lhs = {\n\tname: 'my object',\n\tdescription: 'it\\'s an object!',\n\tdetails: {\n\t\tit: 'has',\n\t\tan: 'array',\n\t\twith: ['a', 'few', 'elements']\n\t}\n};\n\nvar rhs = {\n\tname: 'updated object',\n\tdescription: 'it\\'s an object!',\n\tdetails: {\n\t\tit: 'has',\n\t\tan: 'array',\n\t\twith: ['a', 'few', 'more', 'elements', { than: 'before' }]\n\t}\n};\n\nobservableDiff(lhs, rhs, function (d) {\n\t// Apply all changes except those to the 'name' property...\n\tif (d.path.length !== 1 || d.path.join('.') !== 'name') {\n\t\tapplyChange(lhs, rhs, d);\n\t}\n});\n```\n\n## API Documentation\n\nA standard import of `var diff = require('deep-diff')` is assumed in all of the code examples. The import results in an object having the following public properties:\n\n* `diff` - a function that calculates the differences between two objects.\n* `observableDiff` - a function that calculates the differences between two objects and reports each to an observer function.\n* `applyDiff` - a function that applies any structural differences from one object to another.\n* `applyChange` - a function that applies a single change record to an origin object.\n* `revertChange` - a function that reverts a single change record from a target object.\n\n### `diff`\n\nThe `diff` function calculates the difference between two objects. In version `0.1.7` you can supply your own `prefilter` function as the 3rd arguement and control which properties are ignored while calculating differences throughout the object graph.\n\n**Arguments**\n\n+ `lhs` - the left-hand operand; the origin object.\n+ `rhs` - the right-hand operand; the object being compared structurally with the origin object.\n+ `prefilter` - an optional function that determines whether difference analysis should continue down the object graph.\n+ `acc` - an optional accumulator/array (requirement is that it have a `push` function). Each difference is pushed to the specified accumulator.\n\n#### Pre-filtering Object Properties\n\nThe `prefilter`'s signature should be `function(path, key)` and it should return a truthy value for any `path`-`key` combination that should be filtered. If filtered, the difference analysis does no further analysis of on the identified object-property path.\n\n# Compatibility\n\nCurrently testing on Travis CI against:\n\n+ nodejs `4.2.1`\n+ nodejs `0.12`\n+ nodejs `0.11`\n+ nodejs `0.10`\n+ nodejs `0.8`\n",
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"readmeFilename": "Readme.md",
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"repository": {
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"type": "git",
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"url": "git://github.com/flitbit/diff.git"
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},
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"scripts": {
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"pretest": "jscs index.js test/ && jshint index.js test/",
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"release": "uglifyjs index.js -o releases/deep-diff-$npm_package_version.min.js -r '$,require,exports,module,window,global' -m --comments '/^!/'",
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"test": "mocha"
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},
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"version": "0.3.4"
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}
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