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feature(init): adds extensions detection to one shot configs (#712)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| // @ts-check | ||
| /* eslint-disable security/detect-object-injection */ | ||
| const fs = require("fs"); | ||
| const path = require("path"); | ||
| const pathToPosix = require("../../utl/path-to-posix"); | ||
| const getExtension = require("../../utl/get-extension.js"); | ||
| const meta = require("../../extract/transpile/meta"); | ||
|
|
||
| /** | ||
| * @param {string[]} pIgnorablePathElements | ||
| * @returns {(string) => boolean} | ||
| */ | ||
| function notIgnorable(pIgnorablePathElements) { | ||
| return (pPath) => { | ||
| return !pIgnorablePathElements.includes(pPath); | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} pFullPathToFile | ||
| * @param {string} pBaseDirectory | ||
| * @returns {boolean} | ||
| */ | ||
| function fileIsDirectory(pFullPathToFile, pBaseDirectory) { | ||
| try { | ||
| const lStat = fs.statSync(path.join(pBaseDirectory, pFullPathToFile)); | ||
| return lStat.isDirectory(); | ||
| } catch (pError) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @param {string} pDirectoryName | ||
| * @param {{baseDir: string; ignorablePathElements: string[]}} pOptions | ||
| * @returns {string[]} | ||
| */ | ||
| function listAllModules(pDirectoryName, { baseDir, ignorablePathElements }) { | ||
| return fs | ||
| .readdirSync(path.join(baseDir, pDirectoryName)) | ||
| .filter(notIgnorable(ignorablePathElements)) | ||
| .map((pFileName) => path.join(pDirectoryName, pFileName)) | ||
| .map((pFullPathToFile) => ({ | ||
| fullPathToFile: pFullPathToFile, | ||
| isDirectory: fileIsDirectory(pFullPathToFile, baseDir), | ||
| })) | ||
| .reduce( | ||
| /** | ||
| * @param {string[]} pSum | ||
| * @param {{fullPathToFile: string; isDirectory: boolean}} pCurrentValue | ||
| * @returns {string[]} | ||
| */ | ||
| (pSum, { fullPathToFile, isDirectory }) => { | ||
| if (isDirectory) { | ||
| return pSum.concat( | ||
| listAllModules(fullPathToFile, { baseDir, ignorablePathElements }) | ||
| ); | ||
| } | ||
| return pSum.concat(fullPathToFile); | ||
| }, | ||
| [] | ||
| ) | ||
| .map((pFullPathToFile) => pathToPosix(pFullPathToFile)); | ||
| } | ||
|
|
||
| /** | ||
| * @param {Record<string,number>} pAll | ||
| * @param {string} pExtension | ||
| */ | ||
| function reduceToCounts(pAll, pExtension) { | ||
| if (pAll[pExtension]) { | ||
| pAll[pExtension] += 1; | ||
| } else { | ||
| pAll[pExtension] = 1; | ||
| } | ||
| return pAll; | ||
| } | ||
|
|
||
| function compareByCount(pCountsObject) { | ||
| return function compare(pLeft, pRight) { | ||
| return pCountsObject[pRight] - pCountsObject[pLeft]; | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * @param {string[]} pDirectories | ||
| * @param {{baseDir?: string; ignorablePathElements?: string[], scannableExtensions?: string[]}=} pOptions | ||
| * @returns {string[]} | ||
| */ | ||
| module.exports = function findExtensions(pDirectories, pOptions) { | ||
| const lOptions = { | ||
| baseDir: process.cwd(), | ||
| ignorablePathElements: [ | ||
| ".git", | ||
| ".husky", | ||
| ".vscode", | ||
| "coverage", | ||
| "node_nodules", | ||
| "nyc", | ||
| ], | ||
| scannableExtensions: meta.scannableExtensions, | ||
| ...pOptions, | ||
| }; | ||
|
|
||
| const lExtensionsWithCounts = pDirectories | ||
| .flatMap((pDirectory) => | ||
| listAllModules(pDirectory, lOptions).map(getExtension).filter(Boolean) | ||
| ) | ||
| .reduce(reduceToCounts, {}); | ||
|
|
||
| return Object.keys(lExtensionsWithCounts) | ||
| .filter((pExtension) => lOptions.scannableExtensions.includes(pExtension)) | ||
| .sort(compareByCount(lExtensionsWithCounts)); | ||
| }; |
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