1 | ;
|
2 |
|
3 | var utils = require('../utils');
|
4 |
|
5 | // internal
|
6 | var reEscComments = /\\#/g;
|
7 | // note that '^^' is used in place of escaped comments
|
8 | var reUnescapeComments = /\^\^/g;
|
9 | var reComments = /#.*$/;
|
10 | var reEscapeChars = /[.|\-[\]()\\]/g;
|
11 | var reAsterisk = /\*/g;
|
12 |
|
13 | module.exports = add;
|
14 |
|
15 | /**
|
16 | * Converts file patterns or regular expressions to nodemon
|
17 | * compatible RegExp matching rules. Note: the `rules` argument
|
18 | * object is modified to include the new rule and new RegExp
|
19 | *
|
20 | * ### Example:
|
21 | *
|
22 | * var rules = { watch: [], ignore: [] };
|
23 | * add(rules, 'watch', '*.js');
|
24 | * add(rules, 'ignore', '/public/');
|
25 | * add(rules, 'watch', ':(\d)*\.js'); // note: string based regexp
|
26 | * add(rules, 'watch', /\d*\.js/);
|
27 | *
|
28 | * @param {Object} rules containing `watch` and `ignore`. Also updated during
|
29 | * execution
|
30 | * @param {String} which must be either "watch" or "ignore"
|
31 | * @param {String|RegExp} the actual rule.
|
32 | */
|
33 | function add(rules, which, rule) {
|
34 | if (!{ ignore: 1, watch: 1}[which]) {
|
35 | throw new Error('rules/index.js#add requires "ignore" or "watch" as the ' +
|
36 | 'first argument');
|
37 | }
|
38 |
|
39 | if (Array.isArray(rule)) {
|
40 | rule.forEach(function (rule) {
|
41 | add(rules, which, rule);
|
42 | });
|
43 | return;
|
44 | }
|
45 |
|
46 | // support the rule being a RegExp, but reformat it to
|
47 | // the custom :<regexp> format that we're working with.
|
48 | if (rule instanceof RegExp) {
|
49 | // rule = ':' + rule.toString().replace(/^\/(.*?)\/$/g, '$1');
|
50 | utils.log.error('RegExp format no longer supported, but globs are.');
|
51 | return;
|
52 | }
|
53 |
|
54 | // remove comments and trim lines
|
55 | // this mess of replace methods is escaping "\#" to allow for emacs temp files
|
56 |
|
57 | // first up strip comments and remove blank head or tails
|
58 | rule = (rule || '').replace(reEscComments, '^^')
|
59 | .replace(reComments, '')
|
60 | .replace(reUnescapeComments, '#').trim();
|
61 |
|
62 | var regexp = false;
|
63 |
|
64 | if (typeof rule === 'string' && rule.substring(0, 1) === ':') {
|
65 | rule = rule.substring(1);
|
66 | utils.log.error('RegExp no longer supported: ' + rule);
|
67 | regexp = true;
|
68 | } else if (rule.length === 0) {
|
69 | // blank line (or it was a comment)
|
70 | return;
|
71 | }
|
72 |
|
73 | if (regexp) {
|
74 | // rules[which].push(rule);
|
75 | } else {
|
76 | // rule = rule.replace(reEscapeChars, '\\$&')
|
77 | // .replace(reAsterisk, '.*');
|
78 |
|
79 | rules[which].push(rule);
|
80 | // compile a regexp of all the rules for this ignore or watch
|
81 | var re = rules[which].map(function (rule) {
|
82 | return rule.replace(reEscapeChars, '\\$&')
|
83 | .replace(reAsterisk, '.*');
|
84 | }).join('|');
|
85 |
|
86 | // used for the directory matching
|
87 | rules[which].re = new RegExp(re);
|
88 | }
|
89 | }
|