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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Can't install @angular/core","articleBody":"I am trying to install these packages:\r\n\r\n```\r\nnpm install --save @angular/common@2.0.0-rc.1 @angular/compiler@2.0.0-rc.1 @angular/core@2.0.0-rc.1 @angular/http@2.0.0-rc.1 @angular/platform-browser@2.0.0-rc.1 @angular/platform-browser-dynamic@2.0.0-rc.1 @angular/router@2.0.0-rc.1 es6-shim@0.35.0 lodash@4.13.1 ng2-bootstrap@1.0.16 reflect-metadata@0.1.3 rxjs@5.0.0-beta.6 systemjs@0.19.26 zone.js@0.6.12\r\n```\r\n\r\nI get\r\n\r\n```\r\nangular2-electron-starter@0.3.0 /Users/aymon/Documents/workspace/Fun/MyProjects/ngCouponCat/Practice/angular2-electron-starter\r\n├── @angular/common@2.0.0-rc.1\r\n├── @angular/compiler@2.0.0-rc.1\r\n├── @angular/core@2.0.0-rc.1\r\n├── @angular/http@2.0.0-rc.1\r\n├── @angular/platform-browser@2.0.0-rc.1\r\n├── @angular/platform-browser-dynamic@2.0.0-rc.1\r\n├── @angular/router@2.0.0-rc.1\r\n├── es6-shim@0.35.0\r\n├── lodash@4.13.1\r\n├─┬ ng2-bootstrap@1.0.16\r\n│ └── moment@2.13.0\r\n├── reflect-metadata@0.1.3\r\n├── rxjs@5.0.0-beta.6\r\n├─┬ systemjs@0.19.26\r\n│ └── when@3.7.7\r\n└── zone.js@0.6.12\r\n```\r\nGreat, everything installed, let's check what's installed.\r\n\r\n```\r\nAymons-MacBook-Air:angular2-electron-starter aymon$ npm list --depth=0\r\nangular2-electron-starter@0.3.0 /Users/aymon/Documents/workspace/Fun/MyProjects/ngCouponCat/Practice/angular2-electron-starter\r\n├── @angular/common@2.0.0-rc.1\r\n├── @angular/compiler@2.0.0-rc.1\r\n├── @angular/core@2.0.0-rc.1\r\n├── UNMET DEPENDENCY @angular/forms@~2.1.0\r\n├── @angular/http@2.0.0-rc.1\r\n├── @angular/platform-browser@2.0.0-rc.1\r\n├── @angular/platform-browser-dynamic@2.0.0-rc.1\r\n├── @angular/router@2.0.0-rc.1\r\n├── UNMET DEPENDENCY core-js@^2.4.1\r\n├── es6-shim@0.35.0\r\n├── lodash@4.13.1\r\n├── ng2-bootstrap@1.0.16\r\n├── reflect-metadata@0.1.3\r\n├── rxjs@5.0.0-beta.6\r\n├── systemjs@0.19.26\r\n├── UNMET DEPENDENCY ts-helpers@^1.1.1\r\n└── zone.js@0.6.12\r\n\r\nnpm ERR! missing: @angular/forms@~2.1.0, required by angular2-electron-starter@0.3.0\r\nnpm ERR! missing: core-js@^2.4.1, required by angular2-electron-starter@0.3.0\r\nnpm ERR! missing: ts-helpers@^1.1.1, required by angular2-electron-starter@0.3.0\r\n```\r\n\r\noh noez! Ok I guess I install `forms` now. \r\n\r\n```\r\nAymons-MacBook-Air:angular2-electron-starter aymon$ npm install --save @angular/forms@~2.1.0\r\nangular2-electron-starter@0.3.0 /Users/aymon/Documents/workspace/Fun/MyProjects/ngCouponCat/Practice/angular2-electron-starter\r\n├── UNMET PEER DEPENDENCY @angular/common@2.0.0-rc.1\r\n├── UNMET PEER DEPENDENCY @angular/core@2.0.0-rc.1\r\n└── @angular/forms@2.1.2\r\n\r\nnpm WARN @angular/forms@2.1.2 requires a peer of @angular/core@2.1.2 but none was installed.\r\nnpm WARN @angular/forms@2.1.2 requires a peer of @angular/common@2.1.2 but none was installed.\r\n```\r\n```\r\nAymons-MacBook-Air:angular2-electron-starter aymon$ npm list --depth=0\r\nangular2-electron-starter@0.3.0 /Users/aymon/Documents/workspace/Fun/MyProjects/ngCouponCat/Practice/angular2-electron-starter\r\n├── UNMET PEER DEPENDENCY @angular/common@2.0.0-rc.1\r\n├── @angular/compiler@2.0.0-rc.1\r\n├── UNMET PEER DEPENDENCY @angular/core@2.0.0-rc.1\r\n├── @angular/forms@2.1.2\r\n├── @angular/http@2.0.0-rc.1\r\n├── @angular/platform-browser@2.0.0-rc.1\r\n├── @angular/platform-browser-dynamic@2.0.0-rc.1\r\n├── @angular/router@2.0.0-rc.1\r\n├── UNMET DEPENDENCY core-js@^2.4.1\r\n├── es6-shim@0.35.0\r\n├── lodash@4.13.1\r\n├── ng2-bootstrap@1.0.16\r\n├── reflect-metadata@0.1.3\r\n├── rxjs@5.0.0-beta.6\r\n├── systemjs@0.19.26\r\n├── UNMET DEPENDENCY ts-helpers@^1.1.1\r\n└── zone.js@0.6.12\r\n\r\nnpm ERR! peer dep missing: @angular/common@2.1.2, required by @angular/forms@2.1.2\r\nnpm ERR! peer dep missing: @angular/core@2.1.2, required by @angular/forms@2.1.2\r\nnpm ERR! missing: core-js@^2.4.1, required by angular2-electron-starter@0.3.0\r\nnpm ERR! missing: ts-helpers@^1.1.1, required by angular2-electron-starter@0.3.0\r\n```\r\n\r\nIt UNINSTALLED core?? What am I doing wrong here...\r\n\r\nSo I deleted the `node_modules` folder and then tried installing it all at once since that seemed to work...\r\n\r\n```\r\nAymons-MacBook-Air:angular2-electron-starter aymon$ npm install --save @angular/common@2.0.0-rc.1 @angular/compiler@2.0.0-rc.1 @angular/core@2.0.0-rc.1 @angular/http@2.0.0-rc.1 @angular/platform-browser@2.0.0-rc.1 @angular/platform-browser-dynamic@2.0.0-rc.1 @angular/router@2.0.0-rc.1 es6-shim@0.35.0 lodash@4.13.1 ng2-bootstrap@1.0.16 reflect-metadata@0.1.3 rxjs@5.0.0-beta.6 systemjs@0.19.26 zone.js@0.6.12 @angular/forms@~2.1.0 core-js@^2.4.1 ts-helpers@^1.1.1\r\nangular2-electron-starter@0.3.0 /Users/aymon/Documents/workspace/Fun/MyProjects/ngCouponCat/Practice/angular2-electron-starter\r\n├── UNMET PEER DEPENDENCY @angular/common@2.0.0-rc.1\r\n├── @angular/compiler@2.0.0-rc.1\r\n├── UNMET PEER DEPENDENCY @angular/core@2.0.0-rc.1\r\n├── @angular/forms@2.1.2\r\n├── @angular/http@2.0.0-rc.1\r\n├── @angular/platform-browser@2.0.0-rc.1\r\n├── @angular/platform-browser-dynamic@2.0.0-rc.1\r\n├── @angular/router@2.0.0-rc.1\r\n├── core-js@2.4.1\r\n├── es6-shim@0.35.0\r\n├── lodash@4.13.1\r\n├─┬ ng2-bootstrap@1.0.16\r\n│ └── moment@2.13.0\r\n├── reflect-metadata@0.1.3\r\n├── rxjs@5.0.0-beta.6\r\n├─┬ systemjs@0.19.26\r\n│ └── when@3.7.7\r\n├── ts-helpers@1.1.2\r\n└── zone.js@0.6.12\r\n\r\nnpm WARN ts-helpers@1.1.2 requires a peer of typescript@\u003e=1.8.0  \u003c2.1.0 || \u003e=1.9.0-dev || \u003e=2.0.0-dev || || \u003e=2.1.0-dev but none was installed.\r\nnpm WARN @angular/forms@2.1.2 requires a peer of @angular/core@2.1.2 but none was installed.\r\nnpm WARN @angular/forms@2.1.2 requires a peer of @angular/common@2.1.2 but none was installed.\r\n```\r\n\r\nnope, no angular core. Do I have a completely broken machine or setup here?\r\n","author":{"url":"https://github.com/invious","@type":"Person","name":"invious"},"datePublished":"2016-12-20T20:13:39.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/3656/angular-cli/issues/3656"}