4581268530

Committed 01 Apr 2023 04:18AM UTC coverage: 90.693%. Remained the same

Build Type

push

github

Committed by GitHub

Commit Message

chore: release svelte-eslint-parser (#308)

Run Details

880 of 1041 branches covered (84.53%)

Branch coverage included in aggregate %.

2053 of 2193 relevant lines covered (93.62%)

27060.16 hits per line

Source File
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80.0

/src/parser/espree.ts

import Module from "module";
import path from "path";
import type { BasicParserObject } from "./parser-object";

const createRequire: (filename: string) => (modName: string) => any =
  // Added in v12.2.0
  Module.createRequire ||
  // Added in v10.12.0, but deprecated in v12.2.0.
  // @ts-expect-error -- old type
  Module.createRequireFromPath ||
  // Polyfill - This is not executed on the tests on node@>=10.
  /* istanbul ignore next */
  ((modName) => {
    const mod = new Module(modName);

    mod.filename = modName;
    mod.paths = (Module as any)._nodeModulePaths(path.dirname(modName));
    (mod as any)._compile("module.exports = require;", modName);
    return mod.exports;
  });

let espreeCache: BasicParserObject | null = null;

/** Checks if given path is linter path */
function isLinterPath(p: string): boolean {
  return (
    // ESLint 6 and above
    p.includes(`eslint${path.sep}lib${path.sep}linter${path.sep}linter.js`) ||
    // ESLint 5
    p.includes(`eslint${path.sep}lib${path.sep}linter.js`)
  );
}

/**
 * Load `espree` from the loaded ESLint.
 * If the loaded ESLint was not found, just returns `require("espree")`.
 */
export function getEspree(): BasicParserObject {
  if (!espreeCache) {
    // Lookup the loaded eslint
    const linterPath = Object.keys(require.cache || {}).find(isLinterPath);
    if (linterPath) {
      try {
        espreeCache = createRequire(linterPath)("espree");
      } catch {
        // ignore
      }
    }
    if (!espreeCache) {
      // eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
      espreeCache = require("espree");
    }
  }

  return espreeCache!;
}

1	import Module from "module";	4,526✔
2	import path from "path";	1✔
3	import type { BasicParserObject } from "./parser-object";
4
5	const createRequire: (filename: string) => (modName: string) => any =
6	// Added in v12.2.0
7	Module.createRequire \|\|	1!
8	// Added in v10.12.0, but deprecated in v12.2.0.
9	// @ts-expect-error -- old type
10	Module.createRequireFromPath \|\|
11	// Polyfill - This is not executed on the tests on node@>=10.
12	/* istanbul ignore next */
13	((modName) => {
14	const mod = new Module(modName);
15
16	mod.filename = modName;
17	mod.paths = (Module as any)._nodeModulePaths(path.dirname(modName));
18	(mod as any)._compile("module.exports = require;", modName);
19	return mod.exports;
20	});
21
22	let espreeCache: BasicParserObject \| null = null;	1✔
23
24	/** Checks if given path is linter path */
25	function isLinterPath(p: string): boolean {
26	return (	359✔
27	// ESLint 6 and above
28	p.includes(`eslint${path.sep}lib${path.sep}linter${path.sep}linter.js`) \|\|	717✔
29	// ESLint 5
30	p.includes(`eslint${path.sep}lib${path.sep}linter.js`)
31	);
32	}
33
34	/**
35	* Load `espree` from the loaded ESLint.
36	* If the loaded ESLint was not found, just returns `require("espree")`.
37	*/
38	export function getEspree(): BasicParserObject {
39	if (!espreeCache) {	4,523✔
40	// Lookup the loaded eslint
41	const linterPath = Object.keys(require.cache \|\| {}).find(isLinterPath);	1!
42	if (linterPath) {	1!
43	try {	1✔
44	espreeCache = createRequire(linterPath)("espree");	1✔
45	} catch {
46	// ignore
47	}
48	}
49	if (!espreeCache) {	1!
50	// eslint-disable-next-line @typescript-eslint/no-require-imports -- ignore
51	espreeCache = require("espree");	×
52	}
53	}
54
55	return espreeCache!;	4,523✔
56	}

ota-meshi / svelte-eslint-parser / 4581268530

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