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October 29, 2015 01:47
TypeScript + RxJS
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import path = require('path'); | |
import Git = require('nodegit'); | |
import Rx = require('rx'); | |
class Repo { | |
private repo: Rx.Observable<Git.Repository>; | |
constructor(private pathname: string) { | |
this.repo = Rx.Observable.fromPromise(Git.Repository.open(pathname)); | |
} | |
branches() { | |
this.repo | |
.flatMap(repository => repository.getCurrentBranch()) | |
.subscribe(reference => console.log(reference.name())) | |
; | |
} | |
} | |
var dir: string = path.resolve('../path/to/git/repo'); | |
var repo: Repo = new Repo(dir); | |
repo.branches(); | |
// $ node hello.js | |
// > refs/heads/master |
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declare module "nodegit" { | |
export class Reference { | |
name(): string; | |
} | |
export class Repository { | |
static open(path: string): Rx.IPromise<Repository>; | |
getCurrentBranch(): Rx.IPromise<Reference>; | |
} | |
} |
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declare module Rx { | |
declare module internals { | |
... | |
export interface IPromise<T> { | |
then<R>(onFulfilled: (value: T) => IPromise<R>, onRejected: (reason: any) => IPromise<R>): IPromise<R>; | |
then<R>(onFulfilled: (value: T) => IPromise<R>, onRejected?: (reason: any) => R): IPromise<R>; | |
then<R>(onFulfilled: (value: T) => R, onRejected: (reason: any) => IPromise<R>): IPromise<R>; | |
then<R>(onFulfilled?: (value: T) => R, onRejected?: (reason: any) => R): IPromise<R>; | |
} | |
... | |
} | |
} | |
} | |
} |
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{ | |
"compilerOptions": { | |
"target": "es5", | |
"module": "commonjs", | |
"moduleResolution": "node", | |
"isolatedModules": false, | |
"jsx": "react", | |
"experimentalDecorators": true, | |
"emitDecoratorMetadata": true, | |
"declaration": false, | |
"noImplicitAny": false, | |
"removeComments": true, | |
"noLib": false, | |
"preserveConstEnums": true, | |
"suppressImplicitAnyIndexErrors": true | |
}, | |
"filesGlob": [ | |
"**/*.ts", | |
"**/*.tsx", | |
"!node_modules/**" | |
], | |
"files": [ | |
"hello.ts", | |
"typings/node-git/node-git.d.ts", | |
"typings/node/node.d.ts", | |
"typings/rx/rx-lite.d.ts", | |
"typings/rx/rx.d.ts" | |
], | |
"exclude": [] | |
} |
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Example of using TypeScript with an external library, and providing custom type definition files. This runs on Node.