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Commit 1d693782 by Vladislav Lagunov
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Удален http

parent 6603b9c3
Showing with 11 additions and 220 deletions
http/index.ts deleted 100644 → 0
import { HasEffect, Subscribe, Eff } from '../eff';
import * as eff from '../eff';
import { Decoder, Problem } from '../decoder';
import { Either } from '../either';
import * as either from '../either';
/** http method */
export type Method = 'GET'|'POST'|'PUT'|'DELETE'|'PATCH';
/** request */
export interface Request {
url: string;
method: Method;
body?: any;
headers?: Record<string, string|number|undefined|null>;
withCredentials?: boolean;
timeout?: number;
}
export interface RequestProgress extends Request {
progress: true;
}
/** Raw error */
export type HttpError =
| { tag: 'BadUrl', desc: string }
| { tag: 'BadPayload', desc: string }
| { tag: 'ValidationProblem', problem: Problem, url: string }
| { tag: 'BadStatus', status: number, desc: string }
| { tag: 'Timeout' }
| { tag: 'NetworkError' }
/** Responce */
export interface Response {
url: string;
status: number;
statusText: string;
headers: Record<string, string>;
body: string;
}
/** Query params */
export type ParamsPrimitive = number|string|undefined|null;
export type Params = Record<string, ParamsPrimitive|ParamsPrimitive[]>;
/** Progress */
export type Progress =
| { tag: 'Computable', total: number, loaded: number }
| { tag: 'Uncomputable' }
export class HttpEffect<A> extends HasEffect<HttpError, A> {
constructor(
readonly request: Request|RequestProgress,
) { super(); };
toEffect() {
return new Subscribe<HttpError, any>((onNext, onComplete) => doXHR(this.request, onNext, onComplete));
}
}
/** send a request */
export function send(req: Request): HttpEffect<Response>;
export function send(req: Request|RequestProgress): HttpEffect<unknown> {
return new HttpEffect(req);
}
/** shortcut for GET requests */
//export function get(url: string, request?: Omit<RequestProgress, 'url'|'method'>): HttpEffect<Either<Progress, Response>>;
export function get(url: string, request?: Omit<Request, 'url'|'method'>): Eff<HttpError, Response>;
export function get(url: string, request?: Omit<Request|RequestProgress, 'url'|'method'>) {
return send({ ...request, method: 'GET', url });
}
/** shortcut for POST requests */
export function post(url: string, request?: Omit<RequestProgress, 'url'|'method'>): HttpEffect<Either<Progress, Response>>;
export function post(url: string, request?: Omit<Request, 'url'|'method'>): HttpEffect<Response>;
export function post(url: string, request?: Omit<Request|RequestProgress, 'url'|'method'>): HttpEffect<unknown> {
return send({ ...request, method: 'POST', url });
}
/**
* Реализания запроса
*/
export function doXHR(req: Request, onNext: (x: Either<HttpError, Response>) => void, onComplete: () => void): () => void;
export function doXHR(req: RequestProgress, onNext: (x: Either<HttpError, Either<Progress, Response>>) => void, onComplete: () => void): () => void;
export function doXHR(req: Request|RequestProgress, onNext: (x: Either<HttpError, any>) => void, onComplete: () => void): () => void {
const onSuccess = (x: Response) => ('progress' in req && req.progress ? onNext(either.right(either.right(x))) : onNext(either.right(x)), onComplete());
const onProgress = (x: Progress) => 'progress' in req && req.progress ? onNext(either.right(either.left(x))) : void 0;
const onFailure = (x: HttpError) => (onNext(either.left(x)), onComplete());
const xhr = new XMLHttpRequest();
xhr.addEventListener('error', () => onFailure({ tag: 'NetworkError' }));
xhr.addEventListener('timeout', () => onFailure({ tag: 'Timeout' }));
xhr.addEventListener('load', () => onSuccess({
url: xhr.responseURL,
status: xhr.status,
statusText: xhr.statusText,
headers: parseHeaders(xhr.getAllResponseHeaders()),
body: xhr.response || xhr.responseText,
}));
try {
xhr.open(req.method, req.url, true);
} catch (e) {
onFailure({ tag: 'BadUrl', desc: req.url });
}
if ('progress' in req && req.progress) {
xhr.addEventListener('progress', e => onProgress(e.lengthComputable ? { tag: 'Computable', loaded: e.loaded, total: e.total } : { tag: 'Uncomputable' }));
}
if (req.timeout) xhr.timeout = req.timeout;
if (typeof (req.withCredentials) !== 'undefined') xhr.withCredentials = req.withCredentials;
if (typeof (req.headers) !== 'undefined') {
for (let key in req.headers) {
if (!req.headers.hasOwnProperty(key)) continue;
const value = req.headers[key];
if (typeof(value) !== 'undefined' && value !== null)
xhr.setRequestHeader(key, String(value));
}
}
const body = Object.prototype.toString.apply(req.body) === '[object Object]' ? JSON.stringify(req.body) : req.body;
xhr.send(body);
return () => xhr.abort();
}
/** parse response as JSON */
export function expectJSON<A>(decoder: Decoder<A>): (resp: Response) => Eff<HttpError, A> {
return resp => {
if (resp.body === '') return eff.failure<HttpError>({ tag: 'BadPayload', desc: 'empty body' });
let val = null;
try {
val = JSON.parse(resp.body);
} catch (e) {
return eff.failure<HttpError>({ tag: 'BadPayload', desc: 'invalid json' });
}
return eff.fromEither(
decoder.validate(val).mapLeft<HttpError>(problem => ({ tag: 'ValidationProblem', problem, url: resp.url }))
);
};
}
/** Parse headers from string to dict */
function parseHeaders(rawHeaders: string): Record<string, string> {
const output = {};
const lines = rawHeaders.split('\r\n');
for (let i in lines) {
const index = lines[i].indexOf(': ');
if (index < 0) continue;
const key = lines[i].substring(0, index);
const value = lines[i].substring(index + 2);
output[key] = value;
}
return output;
}
/** Build an url */
export function join(...args: Array<string|Params>): string {
let path = '';
let params = {} as Record<string, string>;
let query = '';
for (let i in args) {
const arg = args[i];
if (typeof (arg) === 'string') path = joinTwo(path, arg);
else Object['assign'](params, arg);
}
for (let key in params) {
if (!params.hasOwnProperty(key) || typeof(params[key]) === 'undefined' || params[key] === null) continue;
if (Array.isArray(params[key])) {
for (const v of params[key]) {
if (typeof(params[key]) === 'undefined' || params[key] === null) continue;
query += (query ? '&' : '') + `${encodeURIComponent(key)}=${encodeURIComponent(v)}`;
}
} else {
query += (query ? '&' : '') + `${encodeURIComponent(key)}=${encodeURIComponent(params[key])}`;
}
}
return query ? (path + '?' + query) : path;
/** Join segments of url */
function joinTwo(a: string, b: string): string {
if (a === '') return b;
if (b === '') return a;
const trailing = a.length && a[a.length - 1] === '/';
const leading = b.length && b[0] === '/';
if (trailing && leading) return a.substring(0, a.length - 1) + b;
if (!trailing && !leading) return a + '/' + b;
return a + b;
}
}
// Helper
export type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
jsonapi/decoders.ts
import * as t from '@bitmaster/core/decode';
import { Decoder, decoder, required, optional, Validation } from '@bitmaster/core/decode';
import { success, failure } from '@bitmaster/core/either';
import * as t from '../decoder';
import { Decoder, decoder, required, optional, Validation } from '../decoder';
import { success, failure } from '../either';
/** tolarate numbers as strings */
......
jsonapi/resources.ts
import { isEqual, isEmpty } from 'lodash';
import { decode as t, either, success, failure } from '@bitmaster/core';
import { Expr } from '@bitmaster/core/internal/expr';
import { decode as t, either, success, failure } from '../core';
import { Expr } from '../types';
import * as decoders from './decoders';
import { Decoder, Validation } from '@bitmaster/core/decode';
import { Left, Right } from '@bitmaster/core/either';
import { Params } from '@bitmaster/core/http';
import { Decoder, Validation } from '../decoder';
import { Left, Right } from '../either';
import { Params } from '../http';
/** Ресурс jsonapi */
......
utils/jsonapi/decoders.ts
import * as t from '@bitmaster/core/decode';
import { Decoder, decoder, required, optional, Validation } from '@bitmaster/core/decode';
import { success, failure } from '@bitmaster/core/either';
import * as t from '../../decoder';
import { Decoder, decoder, required, optional, Validation } from '../../decoder';
import { success, failure } from '../../either';
/** tolarate numbers as strings */
......
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