source: trip-planner-front/node_modules/minimist/index.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 7.5 KB
Line 
1module.exports = function (args, opts) {
2 if (!opts) opts = {};
3
4 var flags = { bools : {}, strings : {}, unknownFn: null };
5
6 if (typeof opts['unknown'] === 'function') {
7 flags.unknownFn = opts['unknown'];
8 }
9
10 if (typeof opts['boolean'] === 'boolean' && opts['boolean']) {
11 flags.allBools = true;
12 } else {
13 [].concat(opts['boolean']).filter(Boolean).forEach(function (key) {
14 flags.bools[key] = true;
15 });
16 }
17
18 var aliases = {};
19 Object.keys(opts.alias || {}).forEach(function (key) {
20 aliases[key] = [].concat(opts.alias[key]);
21 aliases[key].forEach(function (x) {
22 aliases[x] = [key].concat(aliases[key].filter(function (y) {
23 return x !== y;
24 }));
25 });
26 });
27
28 [].concat(opts.string).filter(Boolean).forEach(function (key) {
29 flags.strings[key] = true;
30 if (aliases[key]) {
31 flags.strings[aliases[key]] = true;
32 }
33 });
34
35 var defaults = opts['default'] || {};
36
37 var argv = { _ : [] };
38 Object.keys(flags.bools).forEach(function (key) {
39 setArg(key, defaults[key] === undefined ? false : defaults[key]);
40 });
41
42 var notFlags = [];
43
44 if (args.indexOf('--') !== -1) {
45 notFlags = args.slice(args.indexOf('--')+1);
46 args = args.slice(0, args.indexOf('--'));
47 }
48
49 function argDefined(key, arg) {
50 return (flags.allBools && /^--[^=]+$/.test(arg)) ||
51 flags.strings[key] || flags.bools[key] || aliases[key];
52 }
53
54 function setArg (key, val, arg) {
55 if (arg && flags.unknownFn && !argDefined(key, arg)) {
56 if (flags.unknownFn(arg) === false) return;
57 }
58
59 var value = !flags.strings[key] && isNumber(val)
60 ? Number(val) : val
61 ;
62 setKey(argv, key.split('.'), value);
63
64 (aliases[key] || []).forEach(function (x) {
65 setKey(argv, x.split('.'), value);
66 });
67 }
68
69 function setKey (obj, keys, value) {
70 var o = obj;
71 for (var i = 0; i < keys.length-1; i++) {
72 var key = keys[i];
73 if (key === '__proto__') return;
74 if (o[key] === undefined) o[key] = {};
75 if (o[key] === Object.prototype || o[key] === Number.prototype
76 || o[key] === String.prototype) o[key] = {};
77 if (o[key] === Array.prototype) o[key] = [];
78 o = o[key];
79 }
80
81 var key = keys[keys.length - 1];
82 if (key === '__proto__') return;
83 if (o === Object.prototype || o === Number.prototype
84 || o === String.prototype) o = {};
85 if (o === Array.prototype) o = [];
86 if (o[key] === undefined || flags.bools[key] || typeof o[key] === 'boolean') {
87 o[key] = value;
88 }
89 else if (Array.isArray(o[key])) {
90 o[key].push(value);
91 }
92 else {
93 o[key] = [ o[key], value ];
94 }
95 }
96
97 function aliasIsBoolean(key) {
98 return aliases[key].some(function (x) {
99 return flags.bools[x];
100 });
101 }
102
103 for (var i = 0; i < args.length; i++) {
104 var arg = args[i];
105
106 if (/^--.+=/.test(arg)) {
107 // Using [\s\S] instead of . because js doesn't support the
108 // 'dotall' regex modifier. See:
109 // http://stackoverflow.com/a/1068308/13216
110 var m = arg.match(/^--([^=]+)=([\s\S]*)$/);
111 var key = m[1];
112 var value = m[2];
113 if (flags.bools[key]) {
114 value = value !== 'false';
115 }
116 setArg(key, value, arg);
117 }
118 else if (/^--no-.+/.test(arg)) {
119 var key = arg.match(/^--no-(.+)/)[1];
120 setArg(key, false, arg);
121 }
122 else if (/^--.+/.test(arg)) {
123 var key = arg.match(/^--(.+)/)[1];
124 var next = args[i + 1];
125 if (next !== undefined && !/^-/.test(next)
126 && !flags.bools[key]
127 && !flags.allBools
128 && (aliases[key] ? !aliasIsBoolean(key) : true)) {
129 setArg(key, next, arg);
130 i++;
131 }
132 else if (/^(true|false)$/.test(next)) {
133 setArg(key, next === 'true', arg);
134 i++;
135 }
136 else {
137 setArg(key, flags.strings[key] ? '' : true, arg);
138 }
139 }
140 else if (/^-[^-]+/.test(arg)) {
141 var letters = arg.slice(1,-1).split('');
142
143 var broken = false;
144 for (var j = 0; j < letters.length; j++) {
145 var next = arg.slice(j+2);
146
147 if (next === '-') {
148 setArg(letters[j], next, arg)
149 continue;
150 }
151
152 if (/[A-Za-z]/.test(letters[j]) && /=/.test(next)) {
153 setArg(letters[j], next.split('=')[1], arg);
154 broken = true;
155 break;
156 }
157
158 if (/[A-Za-z]/.test(letters[j])
159 && /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
160 setArg(letters[j], next, arg);
161 broken = true;
162 break;
163 }
164
165 if (letters[j+1] && letters[j+1].match(/\W/)) {
166 setArg(letters[j], arg.slice(j+2), arg);
167 broken = true;
168 break;
169 }
170 else {
171 setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);
172 }
173 }
174
175 var key = arg.slice(-1)[0];
176 if (!broken && key !== '-') {
177 if (args[i+1] && !/^(-|--)[^-]/.test(args[i+1])
178 && !flags.bools[key]
179 && (aliases[key] ? !aliasIsBoolean(key) : true)) {
180 setArg(key, args[i+1], arg);
181 i++;
182 }
183 else if (args[i+1] && /^(true|false)$/.test(args[i+1])) {
184 setArg(key, args[i+1] === 'true', arg);
185 i++;
186 }
187 else {
188 setArg(key, flags.strings[key] ? '' : true, arg);
189 }
190 }
191 }
192 else {
193 if (!flags.unknownFn || flags.unknownFn(arg) !== false) {
194 argv._.push(
195 flags.strings['_'] || !isNumber(arg) ? arg : Number(arg)
196 );
197 }
198 if (opts.stopEarly) {
199 argv._.push.apply(argv._, args.slice(i + 1));
200 break;
201 }
202 }
203 }
204
205 Object.keys(defaults).forEach(function (key) {
206 if (!hasKey(argv, key.split('.'))) {
207 setKey(argv, key.split('.'), defaults[key]);
208
209 (aliases[key] || []).forEach(function (x) {
210 setKey(argv, x.split('.'), defaults[key]);
211 });
212 }
213 });
214
215 if (opts['--']) {
216 argv['--'] = new Array();
217 notFlags.forEach(function(key) {
218 argv['--'].push(key);
219 });
220 }
221 else {
222 notFlags.forEach(function(key) {
223 argv._.push(key);
224 });
225 }
226
227 return argv;
228};
229
230function hasKey (obj, keys) {
231 var o = obj;
232 keys.slice(0,-1).forEach(function (key) {
233 o = (o[key] || {});
234 });
235
236 var key = keys[keys.length - 1];
237 return key in o;
238}
239
240function isNumber (x) {
241 if (typeof x === 'number') return true;
242 if (/^0x[0-9a-f]+$/i.test(x)) return true;
243 return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x);
244}
245
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