You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.7 KiB
82 lines
2.7 KiB
'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/benmosher/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 (let 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 |
|
}
|
|
|