1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
'use strict';
var _ignore = require('eslint-module-utils/ignore');
var _moduleVisitor = require('eslint-module-utils/moduleVisitor');
var _moduleVisitor2 = _interopRequireDefault(_moduleVisitor);
var _resolve = require('eslint-module-utils/resolve');
var _resolve2 = _interopRequireDefault(_resolve);
var _path = require('path');
var _path2 = _interopRequireDefault(_path);
var _docsUrl = require('../docsUrl');
var _docsUrl2 = _interopRequireDefault(_docsUrl);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* convert a potentially relative path from node utils into a true
* relative path.
*
* ../ -> ..
* ./ -> .
* .foo/bar -> ./.foo/bar
* ..foo/bar -> ./..foo/bar
* foo/bar -> ./foo/bar
*
* @param relativePath {string} relative posix path potentially missing leading './'
* @returns {string} relative posix path that always starts with a ./
**/
function toRelativePath(relativePath) {
const stripped = relativePath.replace(/\/$/g, ''); // Remove trailing /
return (/^((\.\.)|(\.))($|\/)/.test(stripped) ? stripped : `./${stripped}`
);
} /**
* @fileOverview Ensures that there are no useless path segments
* @author Thomas Grainger
*/
function normalize(fn) {
return toRelativePath(_path2.default.posix.normalize(fn));
}
function countRelativeParents(pathSegments) {
return pathSegments.reduce((sum, pathSegment) => pathSegment === '..' ? sum + 1 : sum, 0);
}
module.exports = {
meta: {
type: 'suggestion',
docs: {
url: (0, _docsUrl2.default)('no-useless-path-segments')
},
schema: [{
type: 'object',
properties: {
commonjs: { type: 'boolean' },
noUselessIndex: { type: 'boolean' }
},
additionalProperties: false
}],
fixable: 'code'
},
create(context) {
const currentDir = _path2.default.dirname(context.getFilename());
const options = context.options[0];
function checkSourceValue(source) {
const importPath = source.value;
function reportWithProposedPath(proposedPath) {
context.report({
node: source,
// Note: Using messageIds is not possible due to the support for ESLint 2 and 3
message: `Useless path segments for "${importPath}", should be "${proposedPath}"`,
fix: fixer => proposedPath && fixer.replaceText(source, JSON.stringify(proposedPath))
});
}
// Only relative imports are relevant for this rule --> Skip checking
if (!importPath.startsWith('.')) {
return;
}
// Report rule violation if path is not the shortest possible
const resolvedPath = (0, _resolve2.default)(importPath, context);
const normedPath = normalize(importPath);
const resolvedNormedPath = (0, _resolve2.default)(normedPath, context);
if (normedPath !== importPath && resolvedPath === resolvedNormedPath) {
return reportWithProposedPath(normedPath);
}
const fileExtensions = (0, _ignore.getFileExtensions)(context.settings);
const regexUnnecessaryIndex = new RegExp(`.*\\/index(\\${Array.from(fileExtensions).join('|\\')})?$`);
// Check if path contains unnecessary index (including a configured extension)
if (options && options.noUselessIndex && regexUnnecessaryIndex.test(importPath)) {
const parentDirectory = _path2.default.dirname(importPath);
// Try to find ambiguous imports
if (parentDirectory !== '.' && parentDirectory !== '..') {
for (let fileExtension of fileExtensions) {
if ((0, _resolve2.default)(`${parentDirectory}${fileExtension}`, context)) {
return reportWithProposedPath(`${parentDirectory}/`);
}
}
}
return reportWithProposedPath(parentDirectory);
}
// Path is shortest possible + starts from the current directory --> Return directly
if (importPath.startsWith('./')) {
return;
}
// Path is not existing --> Return directly (following code requires path to be defined)
if (resolvedPath === undefined) {
return;
}
const expected = _path2.default.relative(currentDir, resolvedPath); // Expected import path
const expectedSplit = expected.split(_path2.default.sep); // Split by / or \ (depending on OS)
const importPathSplit = importPath.replace(/^\.\//, '').split('/');
const countImportPathRelativeParents = countRelativeParents(importPathSplit);
const countExpectedRelativeParents = countRelativeParents(expectedSplit);
const diff = countImportPathRelativeParents - countExpectedRelativeParents;
// Same number of relative parents --> Paths are the same --> Return directly
if (diff <= 0) {
return;
}
// Report and propose minimal number of required relative parents
return reportWithProposedPath(toRelativePath(importPathSplit.slice(0, countExpectedRelativeParents).concat(importPathSplit.slice(countImportPathRelativeParents + diff)).join('/')));
}
return (0, _moduleVisitor2.default)(checkSourceValue, options);
}
};
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["rules/no-useless-path-segments.js"],"names":["toRelativePath","relativePath","stripped","replace","test","normalize","fn","path","posix","countRelativeParents","pathSegments","reduce","sum","pathSegment","module","exports","meta","type","docs","url","schema","properties","commonjs","noUselessIndex","additionalProperties","fixable","create","context","currentDir","dirname","getFilename","options","checkSourceValue","source","importPath","value","reportWithProposedPath","proposedPath","report","node","message","fix","fixer","replaceText","JSON","stringify","startsWith","resolvedPath","normedPath","resolvedNormedPath","fileExtensions","settings","regexUnnecessaryIndex","RegExp","Array","from","join","parentDirectory","fileExtension","undefined","expected","relative","expectedSplit","split","sep","importPathSplit","countImportPathRelativeParents","countExpectedRelativeParents","diff","slice","concat"],"mappings":";;AAKA;;AACA;;;;AACA;;;;AACA;;;;AACA;;;;;;AAEA;;;;;;;;;;;;;AAaA,SAASA,cAAT,CAAwBC,YAAxB,EAAsC;AACpC,QAAMC,WAAWD,aAAaE,OAAb,CAAqB,MAArB,EAA6B,EAA7B,CAAjB,CADoC,CACc;;AAElD,SAAO,wBAAuBC,IAAvB,CAA4BF,QAA5B,IAAwCA,QAAxC,GAAoD,KAAIA,QAAS;AAAxE;AACD,C,CA5BD;;;;;AA8BA,SAASG,SAAT,CAAmBC,EAAnB,EAAuB;AACrB,SAAON,eAAeO,eAAKC,KAAL,CAAWH,SAAX,CAAqBC,EAArB,CAAf,CAAP;AACD;;AAED,SAASG,oBAAT,CAA8BC,YAA9B,EAA4C;AAC1C,SAAOA,aAAaC,MAAb,CAAoB,CAACC,GAAD,EAAMC,WAAN,KAAsBA,gBAAgB,IAAhB,GAAuBD,MAAM,CAA7B,GAAiCA,GAA3E,EAAgF,CAAhF,CAAP;AACD;;AAEDE,OAAOC,OAAP,GAAiB;AACfC,QAAM;AACJC,UAAM,YADF;AAEJC,UAAM;AACJC,WAAK,uBAAQ,0BAAR;AADD,KAFF;;AAMJC,YAAQ,CACN;AACEH,YAAM,QADR;AAEEI,kBAAY;AACVC,kBAAU,EAAEL,MAAM,SAAR,EADA;AAEVM,wBAAgB,EAAEN,MAAM,SAAR;AAFN,OAFd;AAMEO,4BAAsB;AANxB,KADM,CANJ;;AAiBJC,aAAS;AAjBL,GADS;;AAqBfC,SAAOC,OAAP,EAAgB;AACd,UAAMC,aAAarB,eAAKsB,OAAL,CAAaF,QAAQG,WAAR,EAAb,CAAnB;AACA,UAAMC,UAAUJ,QAAQI,OAAR,CAAgB,CAAhB,CAAhB;;AAEA,aAASC,gBAAT,CAA0BC,MAA1B,EAAkC;AAAA,YACjBC,UADiB,GACFD,MADE,CACxBE,KADwB;;;AAGhC,eAASC,sBAAT,CAAgCC,YAAhC,EAA8C;AAC5CV,gBAAQW,MAAR,CAAe;AACbC,gBAAMN,MADO;AAEb;AACAO,mBAAU,8BAA6BN,UAAW,iBAAgBG,YAAa,GAHlE;AAIbI,eAAKC,SAASL,gBAAgBK,MAAMC,WAAN,CAAkBV,MAAlB,EAA0BW,KAAKC,SAAL,CAAeR,YAAf,CAA1B;AAJjB,SAAf;AAMD;;AAED;AACA,UAAI,CAACH,WAAWY,UAAX,CAAsB,GAAtB,CAAL,EAAiC;AAC/B;AACD;;AAED;AACA,YAAMC,eAAe,uBAAQb,UAAR,EAAoBP,OAApB,CAArB;AACA,YAAMqB,aAAa3C,UAAU6B,UAAV,CAAnB;AACA,YAAMe,qBAAqB,uBAAQD,UAAR,EAAoBrB,OAApB,CAA3B;AACA,UAAIqB,eAAed,UAAf,IAA6Ba,iBAAiBE,kBAAlD,EAAsE;AACpE,eAAOb,uBAAuBY,UAAvB,CAAP;AACD;;AAED,YAAME,iBAAiB,+BAAkBvB,QAAQwB,QAA1B,CAAvB;AACA,YAAMC,wBAAwB,IAAIC,MAAJ,CAC3B,gBAAeC,MAAMC,IAAN,CAAWL,cAAX,EAA2BM,IAA3B,CAAgC,KAAhC,CAAuC,KAD3B,CAA9B;;AAIA;AACA,UAAIzB,WAAWA,QAAQR,cAAnB,IAAqC6B,sBAAsBhD,IAAtB,CAA2B8B,UAA3B,CAAzC,EAAiF;AAC/E,cAAMuB,kBAAkBlD,eAAKsB,OAAL,CAAaK,UAAb,CAAxB;;AAEA;AACA,YAAIuB,oBAAoB,GAApB,IAA2BA,oBAAoB,IAAnD,EAAyD;AACvD,eAAK,IAAIC,aAAT,IAA0BR,cAA1B,EAA0C;AACxC,gBAAI,uBAAS,GAAEO,eAAgB,GAAEC,aAAc,EAA3C,EAA8C/B,OAA9C,CAAJ,EAA4D;AAC1D,qBAAOS,uBAAwB,GAAEqB,eAAgB,GAA1C,CAAP;AACD;AACF;AACF;;AAED,eAAOrB,uBAAuBqB,eAAvB,CAAP;AACD;;AAED;AACA,UAAIvB,WAAWY,UAAX,CAAsB,IAAtB,CAAJ,EAAiC;AAC/B;AACD;;AAED;AACA,UAAIC,iBAAiBY,SAArB,EAAgC;AAC9B;AACD;;AAED,YAAMC,WAAWrD,eAAKsD,QAAL,CAAcjC,UAAd,EAA0BmB,YAA1B,CAAjB,CAxDgC,CAwDyB;AACzD,YAAMe,gBAAgBF,SAASG,KAAT,CAAexD,eAAKyD,GAApB,CAAtB,CAzDgC,CAyDe;AAC/C,YAAMC,kBAAkB/B,WAAW/B,OAAX,CAAmB,OAAnB,EAA4B,EAA5B,EAAgC4D,KAAhC,CAAsC,GAAtC,CAAxB;AACA,YAAMG,iCAAiCzD,qBAAqBwD,eAArB,CAAvC;AACA,YAAME,+BAA+B1D,qBAAqBqD,aAArB,CAArC;AACA,YAAMM,OAAOF,iCAAiCC,4BAA9C;;AAEA;AACA,UAAIC,QAAQ,CAAZ,EAAe;AACb;AACD;;AAED;AACA,aAAOhC,uBACLpC,eACEiE,gBACGI,KADH,CACS,CADT,EACYF,4BADZ,EAEGG,MAFH,CAEUL,gBAAgBI,KAAhB,CAAsBH,iCAAiCE,IAAvD,CAFV,EAGGZ,IAHH,CAGQ,GAHR,CADF,CADK,CAAP;AAQD;;AAED,WAAO,6BAAcxB,gBAAd,EAAgCD,OAAhC,CAAP;AACD;AAzGc,CAAjB","file":"rules/no-useless-path-segments.js","sourcesContent":["/**\n * @fileOverview Ensures that there are no useless path segments\n * @author Thomas Grainger\n */\n\nimport { getFileExtensions } from 'eslint-module-utils/ignore'\nimport moduleVisitor from 'eslint-module-utils/moduleVisitor'\nimport resolve from 'eslint-module-utils/resolve'\nimport path from 'path'\nimport docsUrl from '../docsUrl'\n\n/**\n * convert a potentially relative path from node utils into a true\n * relative path.\n *\n * ../ -> ..\n * ./ -> .\n * .foo/bar -> ./.foo/bar\n * ..foo/bar -> ./..foo/bar\n * foo/bar -> ./foo/bar\n *\n * @param relativePath {string} relative posix path potentially missing leading './'\n * @returns {string} relative posix path that always starts with a ./\n **/\nfunction toRelativePath(relativePath) {\n  const stripped = relativePath.replace(/\\/$/g, '') // Remove trailing /\n\n  return /^((\\.\\.)|(\\.))($|\\/)/.test(stripped) ? stripped : `./${stripped}`\n}\n\nfunction normalize(fn) {\n  return toRelativePath(path.posix.normalize(fn))\n}\n\nfunction countRelativeParents(pathSegments) {\n  return pathSegments.reduce((sum, pathSegment) => pathSegment === '..' ? sum + 1 : sum, 0)\n}\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      url: docsUrl('no-useless-path-segments'),\n    },\n\n    schema: [\n      {\n        type: 'object',\n        properties: {\n          commonjs: { type: 'boolean' },\n          noUselessIndex: { type: 'boolean' },\n        },\n        additionalProperties: false,\n      },\n    ],\n\n    fixable: 'code',\n  },\n\n  create(context) {\n    const currentDir = path.dirname(context.getFilename())\n    const options = context.options[0]\n\n    function checkSourceValue(source) {\n      const { value: importPath } = source\n\n      function reportWithProposedPath(proposedPath) {\n        context.report({\n          node: source,\n          // Note: Using messageIds is not possible due to the support for ESLint 2 and 3\n          message: `Useless path segments for \"${importPath}\", should be \"${proposedPath}\"`,\n          fix: fixer => proposedPath && fixer.replaceText(source, JSON.stringify(proposedPath)),\n        })\n      }\n\n      // Only relative imports are relevant for this rule --> Skip checking\n      if (!importPath.startsWith('.')) {\n        return\n      }\n\n      // Report rule violation if path is not the shortest possible\n      const resolvedPath = resolve(importPath, context)\n      const normedPath = normalize(importPath)\n      const resolvedNormedPath = resolve(normedPath, context)\n      if (normedPath !== importPath && resolvedPath === resolvedNormedPath) {\n        return reportWithProposedPath(normedPath)\n      }\n\n      const fileExtensions = getFileExtensions(context.settings)\n      const regexUnnecessaryIndex = new RegExp(\n        `.*\\\\/index(\\\\${Array.from(fileExtensions).join('|\\\\')})?$`\n      )\n\n      // Check if path contains unnecessary index (including a configured extension)\n      if (options && options.noUselessIndex && regexUnnecessaryIndex.test(importPath)) {\n        const parentDirectory = path.dirname(importPath)\n\n        // Try to find ambiguous imports\n        if (parentDirectory !== '.' && parentDirectory !== '..') {\n          for (let fileExtension of fileExtensions) {\n            if (resolve(`${parentDirectory}${fileExtension}`, context)) {\n              return reportWithProposedPath(`${parentDirectory}/`)\n            }\n          }\n        }\n\n        return reportWithProposedPath(parentDirectory)\n      }\n\n      // Path is shortest possible + starts from the current directory --> Return directly\n      if (importPath.startsWith('./')) {\n        return\n      }\n\n      // Path is not existing --> Return directly (following code requires path to be defined)\n      if (resolvedPath === undefined) {\n        return\n      }\n\n      const expected = path.relative(currentDir, resolvedPath) // Expected import path\n      const expectedSplit = expected.split(path.sep) // Split by / or \\ (depending on OS)\n      const importPathSplit = importPath.replace(/^\\.\\//, '').split('/')\n      const countImportPathRelativeParents = countRelativeParents(importPathSplit)\n      const countExpectedRelativeParents = countRelativeParents(expectedSplit)\n      const diff = countImportPathRelativeParents - countExpectedRelativeParents\n\n      // Same number of relative parents --> Paths are the same --> Return directly\n      if (diff <= 0) {\n        return\n      }\n\n      // Report and propose minimal number of required relative parents\n      return reportWithProposedPath(\n        toRelativePath(\n          importPathSplit\n            .slice(0, countExpectedRelativeParents)\n            .concat(importPathSplit.slice(countImportPathRelativeParents + diff))\n            .join('/')\n        )\n      )\n    }\n\n    return moduleVisitor(checkSourceValue, options)\n  },\n}\n"]}