request-id.ts at 9c9d66e ⋅ heroku/heroku-cli-command

import * as uuid from 'uuid'

export const requestIdHeader = 'Request-Id'

// tslint:disable-next-line: no-unnecessary-class
export class RequestId {
  static ids: string[] = []

  static track(...ids: string[]) {
    const tracked = RequestId.ids
    ids = ids.filter(id => !(tracked.includes(id)))
    RequestId.ids = [...ids, ...tracked]
    return RequestId.ids
  }

  static create(): string[] {
    const tracked = RequestId.ids
    const generatedId = RequestId._generate()
    RequestId.ids = [generatedId, ...tracked]
    return RequestId.ids
  }

  static empty(): void {
    RequestId.ids = []
  }

  static get headerValue() {
    return RequestId.ids.join(',')
  }

  static _generate() {
    return uuid.v4()
  }
}

Read our documentation on viewing source code .

1		import * as uuid from 'uuid'
2
3	0	export const requestIdHeader = 'Request-Id'
4
5		// tslint:disable-next-line: no-unnecessary-class
6		export class RequestId {
7	0	static ids: string[] = []
8
9		static track(...ids: string[]) {
10	0	const tracked = RequestId.ids
11	0	ids = ids.filter(id => !(tracked.includes(id)))
12	0	RequestId.ids = [...ids, ...tracked]
13	0	return RequestId.ids
14		}
15
16		static create(): string[] {
17	0	const tracked = RequestId.ids
18	0	const generatedId = RequestId._generate()
19	0	RequestId.ids = [generatedId, ...tracked]
20	0	return RequestId.ids
21		}
22
23		static empty(): void {
24	0	RequestId.ids = []
25		}
26
27		static get headerValue() {
28	0	return RequestId.ids.join(',')
29		}
30
31		static _generate() {
32	0	return uuid.v4()
33		}
34		}

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