eta-dev / eta / 48

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Build # 48

Build Type

Pull #12

travis-ci-com

Committed by

web-flow

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Pull Request Pull Request #12: Deno support!

Run Details

174 of 195 branches covered (89.23%)

Branch coverage included in aggregate %.

108 of 108 new or added lines in 14 files covered. (100.0%)

354 of 360 relevant lines covered (98.33%)

70.93 hits per line

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77.27

/src/polyfills.ts

import EtaErr from './err'

/**
 * @returns The global Promise function
 */

export var promiseImpl: PromiseConstructor = new Function('return this')().Promise

/**
 * @returns A new AsyncFunction constuctor
 */

export function getAsyncFunctionConstructor(): Function {
  try {
    return new Function('return (async function(){}).constructor')()
  } catch (e) {
    if (e instanceof SyntaxError) {
      throw EtaErr("This environment doesn't support async/await")
    } else {
      throw e
    }
  }
}

/**
 * str.trimLeft polyfill
 *
 * @param str - Input string
 * @returns The string with left whitespace removed
 *
 */

export function trimLeft(str: string): string {
  // eslint-disable-next-line no-extra-boolean-cast
  if (!!String.prototype.trimLeft) {
    return str.trimLeft()
  } else {
    return str.replace(/^\s+/, '')
  }
}

/**
 * str.trimRight polyfill
 *
 * @param str - Input string
 * @returns The string with right whitespace removed
 *
 */

export function trimRight(str: string): string {
  // eslint-disable-next-line no-extra-boolean-cast
  if (!!String.prototype.trimRight) {
    return str.trimRight()
  } else {
    return str.replace(/\s+$/, '') // TODO: do we really need to replace BOM's?
  }
}

1	import EtaErr from './err'	13✔
2
3	/**
4	* @returns The global Promise function
5	*/
6
7	export var promiseImpl: PromiseConstructor = new Function('return this')().Promise	13✔
8
9	/**
10	* @returns A new AsyncFunction constuctor
11	*/
12
13	export function getAsyncFunctionConstructor(): Function {	13✔
14	try {	18✔
15	return new Function('return (async function(){}).constructor')()	18✔
16	} catch (e) {
17	if (e instanceof SyntaxError) {	×
18	throw EtaErr("This environment doesn't support async/await")	×
19	} else {
20	throw e	×
21	}
22	}
23	}
24
25	/**
26	* str.trimLeft polyfill
27	*
28	* @param str - Input string
29	* @returns The string with left whitespace removed
30	*
31	*/
32
33	export function trimLeft(str: string): string {	13✔
34	// eslint-disable-next-line no-extra-boolean-cast
35	if (!!String.prototype.trimLeft) {	5✔
36	return str.trimLeft()	3✔
37	} else {
38	return str.replace(/^\s+/, '')	2✔
39	}
40	}
41
42	/**
43	* str.trimRight polyfill
44	*
45	* @param str - Input string
46	* @returns The string with right whitespace removed
47	*
48	*/
49
50	export function trimRight(str: string): string {	13✔
51	// eslint-disable-next-line no-extra-boolean-cast
52	if (!!String.prototype.trimRight) {	5✔
53	return str.trimRight()	3✔
54	} else {
55	return str.replace(/\s+$/, '') // TODO: do we really need to replace BOM's?	2✔
56	}
57	}

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