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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | 1x 1x 1x 1x 16x 48x 1x 1x 16x 160x 1x 15x 15x 15x 15x 1x 16x 16x 16x 16x 16x 16x 10x 10x 10x 10x 8x 8x 8x 10x 10x 1x 1x 3x 1x 1x 3x 2x | import Debug from 'debug';
import { convert, Timeout } from '@feathersjs/errors';
import { Params } from '@feathersjs/feathers';
const debug = Debug('@feathersjs/transport-commons/client');
const namespacedEmitterMethods = [
'addListener',
'emit',
'listenerCount',
'listeners',
'on',
'once',
'prependListener',
'prependOnceListener',
'removeAllListeners',
'removeListener'
];
const otherEmitterMethods = [
'eventNames',
'getMaxListeners',
'setMaxListeners'
];
const addEmitterMethods = (service: any) => {
otherEmitterMethods.forEach(method => {
service[method] = function(...args: any[]) {
if (typeof this.connection[method] !== 'function') {
throw new Error(`Can not call '${method}' on the client service connection`);
}
return this.connection[method](...args);
};
});
// Methods that should add the namespace (service path)
namespacedEmitterMethods.forEach(method => {
service[method] = function(name: string, ...args: any[]) {
if (typeof this.connection[method] !== 'function') {
throw new Error(`Can not call '${method}' on the client service connection`);
}
const eventName = `${this.path} ${name}`;
debug(`Calling emitter method ${method} with ` +
`namespaced event '${eventName}'`);
const result = this.connection[method](eventName, ...args);
return result === this.connection ? this : result;
};
});
};
interface ServiceOptions {
name: string;
connection: any;
method: string;
events?: string[];
timeout?: number;
}
export class Service {
events: string[];
path: string;
connection: any;
method: string;
timeout: number;
constructor(options: ServiceOptions) {
this.events = options.events;
this.path = options.name;
this.connection = options.connection;
this.method = options.method;
this.timeout = options.timeout || 5000;
addEmitterMethods(this);
}
send(method: string, ...args: any[]) {
return new Promise((resolve, reject) => {
const timeoutId = setTimeout(() => reject(
new Timeout(`Timeout of ${this.timeout}ms exceeded calling ${method} on ${this.path}`, {
timeout: this.timeout,
method,
path: this.path
})
), this.timeout);
args.unshift(method, this.path);
args.push(function(error: any, data: any) {
error = convert(error);
clearTimeout(timeoutId);
return error ? reject(error) : resolve(data);
});
debug(`Sending socket.${this.method}`, args);
this.connection[this.method](...args);
});
}
find(params: Params = {}) {
return this.send('find', params.query || {});
}
get(id: number|string, params: Params = {}) {
return this.send('get', id, params.query || {});
}
create(data: any, params: Params = {}) {
return this.send('create', data, params.query || {});
}
update(id: number|string, data: any, params: Params = {}) {
return this.send('update', id, data, params.query || {});
}
patch(id: number|string, data: any, params: Params = {}) {
return this.send('patch', id, data, params.query || {});
}
remove(id: number|string, params: Params = {}) {
return this.send('remove', id, params.query || {});
}
// `off` is actually not part of the Node event emitter spec
// but we are adding it since everybody is expecting it because
// of the emitter-component Socket.io is using
off(name: string, ...args: any[]) {
if (typeof this.connection.off === 'function') {
return this.connection.off(`${this.path} ${name}`, ...args);
} else if (args.length === 0) {
// @ts-ignore
return this.removeAllListeners(name);
}
// @ts-ignore
return this.removeListener(name, ...args);
}
}
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