3 var fs = require('fs');
4 var path = require('path');
6 var isString = require('lodash.isstring');
7 var isPlainObject = require('lodash.isplainobject');
8 var isEmpty = require('lodash.isempty');
9 var pick = require('lodash.pick');
10 var assignWith = require('lodash.assignwith');
12 var expandTilde = require('expand-tilde');
13 var parsePath = require('parse-filepath');
15 function assignNullish(objValue, srcValue) {
16 return (srcValue == null ? objValue : srcValue);
19 function defaults(mainObj, defaultObj) {
20 return assignWith({}, defaultObj, mainObj, assignNullish);
23 function fined(pathObj, defaultObj) {
24 var expandedPath = expandPath(pathObj, defaultObj);
25 return expandedPath ? findWithExpandedPath(expandedPath) : null;
28 function expandPath(pathObj, defaultObj) {
29 if (!isPlainObject(defaultObj)) {
33 if (isString(pathObj)) {
34 pathObj = { path: pathObj };
37 if (!isPlainObject(pathObj)) {
41 pathObj = defaults(pathObj, defaultObj);
44 if (!isString(pathObj.path)) {
47 // Execution of toString is for a String object.
48 if (isString(pathObj.name) && pathObj.name) {
50 filePath = expandTilde(pathObj.path.toString());
51 filePath = path.join(filePath, pathObj.name.toString());
53 filePath = pathObj.name.toString();
56 filePath = expandTilde(pathObj.path.toString());
59 var extArr = createExtensionArray(pathObj.extensions);
60 var extMap = createExtensionMap(pathObj.extensions);
62 var basedir = isString(pathObj.cwd) ? pathObj.cwd.toString() : '.';
63 basedir = path.resolve(expandTilde(basedir));
65 var findUp = !!pathObj.findUp;
67 var parsed = parsePath(filePath);
68 if (parsed.isAbsolute) {
69 filePath = filePath.slice(parsed.root.length);
71 basedir = parsed.root;
72 } else if (parsed.root) { // Expanded path has a drive letter on Windows.
73 filePath = filePath.slice(parsed.root.length);
74 basedir = path.resolve(parsed.root);
86 function findWithExpandedPath(expanded) {
87 var found = expanded.findUp ?
88 findUpFile(expanded.basedir, expanded.path, expanded.extArr) :
89 findFile(expanded.basedir, expanded.path, expanded.extArr);
95 if (expanded.extMap) {
96 found.extension = pick(expanded.extMap, found.extension);
101 function findFile(basedir, relpath, extArr) {
102 var noExtPath = path.resolve(basedir, relpath);
103 for (var i = 0, n = extArr.length; i < n; i++) {
104 var filepath = noExtPath + extArr[i];
106 fs.statSync(filepath);
107 return { path: filepath, extension: extArr[i] };
114 function findUpFile(basedir, filepath, extArr) {
117 var found = findFile(basedir, filepath, extArr);
123 basedir = path.dirname(basedir);
124 } while (lastdir !== basedir);
129 function createExtensionArray(exts) {
130 if (isString(exts)) {
134 if (Array.isArray(exts)) {
135 exts = exts.filter(isString);
136 return (exts.length > 0) ? exts : [''];
139 if (isPlainObject(exts)) {
140 exts = Object.keys(exts);
141 return (exts.length > 0) ? exts : [''];
147 function createExtensionMap(exts) {
148 if (!isPlainObject(exts)) {
159 module.exports = fined;