package com.eslint.utils; import com.intellij.openapi.util.Condition; import com.intellij.openapi.util.SystemInfo; import com.intellij.openapi.util.io.FileUtil; import com.intellij.util.Function; import com.intellij.util.containers.ContainerUtil; import com.wix.nodejs.NodeFinder; import com.wix.utils.FileUtils; import org.jetbrains.annotations.NotNull; import java.io.File; import java.io.FilenameFilter; import java.util.ArrayList; import java.util.List; public final class ESLintFinder { public static final String ESLINTRC = ".eslintrc"; public static final String ESLINT_BASE_NAME = NodeFinder.getBinName("eslint"); // TODO figure out a way to automatically get this path or add it to config // should read from /usr/local/lib/node_modules/eslint/lib/rules // public static String defaultPath = "/usr/local/lib/node_modules/eslint/lib/rules"; // c:/users/user/appdata/roaming/npm/node_modules private ESLintFinder() { } public static List<File> tryFindRules(File projectRoot) { List<File> options = new ArrayList<File>(); String relativeRules = NodeFinder.buildPath(NodeFinder.NODE_MODULES, "eslint", "lib", "rules"); File local = new File(projectRoot, relativeRules); options.add(local); if (SystemInfo.isWindows) { File file = new File("C:\\Program Files (x86)\\nodejs", relativeRules); options.add(file); file = new File("C:\\Program Files\\nodejs", relativeRules); options.add(file); } else { File file = new File("/usr/local/lib", relativeRules); options.add(file); } List<File> valid = ContainerUtil.filter(options, new Condition<File>() { @Override public boolean value(File file) { return file.exists() && file.isDirectory(); } }); return valid; } public static List<String> tryFindRulesAsString(final File projectRoot) { List<File> files = tryFindRules(projectRoot); return ContainerUtil.map(files, new Function<File, String>() { public String fun(File file) { // return FileUtils.makeRelative(projectRoot, file); if (projectRoot != null && FileUtil.isAncestor(projectRoot, file, true)) { return FileUtils.makeRelative(projectRoot, file); } return file.toString(); } }); } @NotNull public static List<File> listPossibleESLintExe() { return NodeFinder.searchNodeModulesBin(ESLINT_BASE_NAME); } @NotNull public static List<File> searchForESLintBin(File projectRoot) { return NodeFinder.searchAllScopesForBin(projectRoot, ESLINT_BASE_NAME); } /** * find possible eslint rc files * * @param projectRoot project root * @return list */ public static List<String> searchForESLintRCFiles(final File projectRoot) { FilenameFilter filter = new FilenameFilter() { @Override public boolean accept(File file, String name) { return name.equals(ESLINTRC) || name.startsWith(ESLINTRC + '.'); } }; // return Arrays.asList(files); List<String> files = FileUtils.recursiveVisitor(projectRoot, filter); return ContainerUtil.map(files, new Function<String, String>() { public String fun(String curFile) { return FileUtils.makeRelative(projectRoot, new File(curFile)); } }); } }