'use strict'
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const micromatch = require('micromatch')
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const normalize = require('normalize-path')
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const path = require('path')
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const debug = require('debug')('lint-staged:gen-tasks')
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/**
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* Generates all task commands, and filelist
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*
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* @param {object} options
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* @param {Object} [options.config] - Task configuration
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* @param {Object} [options.cwd] - Current working directory
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* @param {boolean} [options.gitDir] - Git root directory
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* @param {boolean} [options.files] - Staged filepaths
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* @param {boolean} [options.relative] - Whether filepaths to should be relative to gitDir
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*/
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module.exports = function generateTasks({
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config,
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cwd = process.cwd(),
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gitDir,
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files,
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relative = false,
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}) {
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debug('Generating linter tasks')
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const absoluteFiles = files.map((file) => normalize(path.resolve(gitDir, file)))
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const relativeFiles = absoluteFiles.map((file) => normalize(path.relative(cwd, file)))
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return Object.entries(config).map(([pattern, commands]) => {
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const isParentDirPattern = pattern.startsWith('../')
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const fileList = micromatch(
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relativeFiles
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// Only worry about children of the CWD unless the pattern explicitly
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// specifies that it concerns a parent directory.
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.filter((file) => {
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if (isParentDirPattern) return true
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return !file.startsWith('..') && !path.isAbsolute(file)
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}),
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pattern,
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{
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cwd,
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dot: true,
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// If pattern doesn't look like a path, enable `matchBase` to
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// match against filenames in every directory. This makes `*.js`
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// match both `test.js` and `subdirectory/test.js`.
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matchBase: !pattern.includes('/'),
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}
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).map((file) => normalize(relative ? file : path.resolve(cwd, file)))
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const task = { pattern, commands, fileList }
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debug('Generated task: \n%O', task)
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return task
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})
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}
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