#12544

Committed 19 Apr 2018 07:07AM UTC coverage: 87.43% (+2.0%) from 85.448%

Build Type

push

Committed by

Commit Message

rebuild

Run Details

932 of 1066 relevant lines covered (87.43%)

39.04 hits per line

Source File
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94.29

/src/EventEmitter.js

class EventEmitter {
  constructor() {
    this.observers = {};
  }

  on(events, listener) {
    events.split(' ').forEach((event) => {
      this.observers[event] = this.observers[event] || [];
      this.observers[event].push(listener);
    });
  }

  off(event, listener) {
    if (!this.observers[event]) {
      return;
    }

    this.observers[event].forEach(() => {
      if (!listener) {
        delete this.observers[event];
      } else {
        const index = this.observers[event].indexOf(listener);
        if (index > -1) {
          this.observers[event].splice(index, 1);
        }
      }
    });
  }

  emit(event, ...args) {
    if (this.observers[event]) {
      const cloned = [].concat(this.observers[event]);
      cloned.forEach((observer) => {
        observer(...args);
      });
    }

    if (this.observers['*']) {
      const cloned = [].concat(this.observers['*']);
      cloned.forEach((observer) => {
        observer.apply(observer, [event].concat(...args));
      });
    }
  }
}

export default EventEmitter;

1	class EventEmitter {
2	constructor() {
3	this.observers = {};	1✔
4	}
5
6	on(events, listener) {
7	events.split(' ').forEach((event) => {	65✔
8	this.observers[event] = this.observers[event] \|\| [];
9	this.observers[event].push(listener);	1✔
10	});	1✔
11	}	65✔
12
13	off(event, listener) {	65✔
14	if (!this.observers[event]) {
15	return;
16	}	1✔
17		15✔
18	this.observers[event].forEach(() => {
19	if (!listener) {	15✔
20	delete this.observers[event];	15✔
21	} else {	15✔
22	const index = this.observers[event].indexOf(listener);
23	if (index > -1) {
24	this.observers[event].splice(index, 1);
25	}	1✔
26	}	1✔
27	});
28	}	1✔
29		×
30	emit(event, ...args) {
31	if (this.observers[event]) {
32	const cloned = [].concat(this.observers[event]);	1✔
33	cloned.forEach((observer) => {	1✔
34	observer(...args);	×
35	});
36	}	1✔
37		1✔
38	if (this.observers['*']) {	1✔
39	const cloned = [].concat(this.observers['*']);
40	cloned.forEach((observer) => {
41	observer.apply(observer, [event].concat(...args));
42	});
43	}
44	}	1✔
45	}	32✔
46		84✔
47	export default EventEmitter;

i18next / i18next / #12544

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