#28399472

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push

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Commit Message

<a href="https://github.com/benmosher/eslint-plugin-import/commit/<a class=hub.com/benmosher/eslint-plugin-import/commit/79ad37dfbf90869a29029b2bc556bd6108018c99">79ad37dfb<a href="https://github.com/benmosher/eslint-plugin-import/commit/79ad37dfbf90869a29029b2bc556bd6108018c99">">Merge </a><a class="double-link" href="https://github.com/benmosher/eslint-plugin-import/commit/<a class="double-link" href="https://github.com/benmosher/eslint-plugin-import/commit/44e85782da066487a4a5f5a62ae9b8d0c1d55aff">44e85782d</a>">44e85782d</a><a href="https://github.com/benmosher/eslint-plugin-import/commit/79ad37dfbf90869a29029b2bc556bd6108018c99"> into 4a9be6384">4a9be6384</a>

Run Details

1363 of 1848 branches covered (73.76%)

1677 of 2595 relevant lines covered (64.62%)

38.84 hits per line

Source File
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0.0

/utils/parse.js

'use strict';
exports.__esModule = true;

const moduleRequire = require('./module-require').default;
const extname = require('path').extname;

const log = require('debug')('eslint-plugin-import:parse');

exports.default = function parse(path, content, context) {

  if (context == null) throw new Error('need context to parse properly');

  let parserOptions = context.parserOptions;
  const parserPath = getParserPath(path, context);

  if (!parserPath) throw new Error('parserPath is required!');

  // hack: espree blows up with frozen options
  parserOptions = Object.assign({}, parserOptions);
  parserOptions.ecmaFeatures = Object.assign({}, parserOptions.ecmaFeatures);

  // always include comments and tokens (for doc parsing)
  parserOptions.comment = true;
  parserOptions.attachComment = true;  // keeping this for backward-compat with  older parsers
  parserOptions.tokens = true;

  // attach node locations
  parserOptions.loc = true;
  parserOptions.range = true;

  // provide the `filePath` like eslint itself does, in `parserOptions`
  // https://github.com/eslint/eslint/blob/3ec436ee/lib/linter.js#L637
  parserOptions.filePath = path;

  // @typescript-eslint/parser will parse the entire project with typechecking if you provide
  // "project" or "projects" in parserOptions. Removing these options means the parser will
  // only parse one file in isolate mode, which is much, much faster.
  // https://github.com/import-js/eslint-plugin-import/issues/1408#issuecomment-509298962
  delete parserOptions.project;
  delete parserOptions.projects;

  // require the parser relative to the main module (i.e., ESLint)
  const parser = moduleRequire(parserPath);

  if (typeof parser.parseForESLint === 'function') {
    let ast;
    try {
      ast = parser.parseForESLint(content, parserOptions).ast;
    } catch (e) {
      console.warn();
      console.warn('Error while parsing ' + parserOptions.filePath);
      console.warn('Line ' + e.lineNumber + ', column ' + e.column + ': ' + e.message);
    }
    if (!ast || typeof ast !== 'object') {
      console.warn('`parseForESLint` from parser `' + parserPath + '` is invalid and will just be ignored');
    } else {
      return ast;
    }
  }

  return parser.parse(content, parserOptions);
};

function getParserPath(path, context) {
  const parsers = context.settings['import/parsers'];
  if (parsers != null) {
    const extension = extname(path);
    for (const parserPath in parsers) {
      if (parsers[parserPath].indexOf(extension) > -1) {
        // use this alternate parser
        log('using alt parser:', parserPath);
        return parserPath;
      }
    }
  }
  // default to use ESLint parser
  return context.parserPath;
}

1	'use strict';
2	exports.__esModule = true;	×
3
4	const moduleRequire = require('./module-require').default;	×
5	const extname = require('path').extname;	×
6
7	const log = require('debug')('eslint-plugin-import:parse');	×
8
9	exports.default = function parse(path, content, context) {	×
10
11	if (context == null) throw new Error('need context to parse properly');	×
12
13	let parserOptions = context.parserOptions;	×
14	const parserPath = getParserPath(path, context);	×
15
16	if (!parserPath) throw new Error('parserPath is required!');	×
17
18	// hack: espree blows up with frozen options
19	parserOptions = Object.assign({}, parserOptions);	×
20	parserOptions.ecmaFeatures = Object.assign({}, parserOptions.ecmaFeatures);	×
21
22	// always include comments and tokens (for doc parsing)
23	parserOptions.comment = true;	×
24	parserOptions.attachComment = true; // keeping this for backward-compat with older parsers	×
25	parserOptions.tokens = true;	×
26
27	// attach node locations
28	parserOptions.loc = true;	×
29	parserOptions.range = true;	×
30
31	// provide the `filePath` like eslint itself does, in `parserOptions`
32	// https://github.com/eslint/eslint/blob/3ec436ee/lib/linter.js#L637
33	parserOptions.filePath = path;	×
34
35	// @typescript-eslint/parser will parse the entire project with typechecking if you provide
36	// "project" or "projects" in parserOptions. Removing these options means the parser will
37	// only parse one file in isolate mode, which is much, much faster.
38	// https://github.com/import-js/eslint-plugin-import/issues/1408#issuecomment-509298962
39	delete parserOptions.project;	×
40	delete parserOptions.projects;	×
41
42	// require the parser relative to the main module (i.e., ESLint)
43	const parser = moduleRequire(parserPath);	×
44
45	if (typeof parser.parseForESLint === 'function') {	×
46	let ast;
47	try {	×
48	ast = parser.parseForESLint(content, parserOptions).ast;	×
49	} catch (e) {
50	console.warn();	×
51	console.warn('Error while parsing ' + parserOptions.filePath);	×
52	console.warn('Line ' + e.lineNumber + ', column ' + e.column + ': ' + e.message);	×
53	}
54	if (!ast \|\| typeof ast !== 'object') {	×
55	console.warn('`parseForESLint` from parser `' + parserPath + '` is invalid and will just be ignored');	×
56	} else {
57	return ast;	×
58	}
59	}
60
61	return parser.parse(content, parserOptions);	×
62	};
63
64	function getParserPath(path, context) {
65	const parsers = context.settings['import/parsers'];	×
66	if (parsers != null) {	×
67	const extension = extname(path);	×
68	for (const parserPath in parsers) {	×
69	if (parsers[parserPath].indexOf(extension) > -1) {	×
70	// use this alternate parser
71	log('using alt parser:', parserPath);	×
72	return parserPath;	×
73	}
74	}
75	}
76	// default to use ESLint parser
77	return context.parserPath;	×
78	}

benmosher / eslint-plugin-import / #28399472

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