1 | 'use strict';
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2 |
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3 | var extname = require('path').extname;
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4 | var readFile = require('fs').readFileSync;
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5 | var exists = require('fs').existsSync;
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6 | var urlparse = require('url').parse;
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7 | var File = require('vinyl');
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8 | var debug = require('debug')('serve-spm:parse');
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9 | var rules = require('./rules');
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10 | var stat = require('fs').statSync;
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11 |
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12 |
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13 |
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14 |
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15 |
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16 |
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17 |
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18 |
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19 |
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20 |
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21 | module.exports = function parse(url, opt) {
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22 | debug('find file of url %s in %s', url, opt.rootPkg.dest);
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23 |
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24 | var myRules = Array.isArray(opt.rules) ? opt.rules.concat(rules) : rules;
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25 | url = urlparse(url);
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26 |
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27 | |
28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 | var file = findFile(url, opt.pkg, opt.rootPkg, myRules);
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35 | if (!file) return;
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36 |
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37 |
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38 |
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39 |
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40 | if (hasNoWrap(url)) {
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41 | file.wrap = false;
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42 | } else if (typeof file.wrap !== 'boolean') {
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43 | file.wrap = true;
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44 | }
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45 |
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46 | file.url = url;
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47 | file.pkg = opt.pkg;
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48 | return file;
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49 | };
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50 |
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51 | function hasNoWrap(url) {
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52 | var search = url.search;
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53 | return search && search.indexOf('nowrap') > -1;
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54 | }
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55 |
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56 | function findFile(url, pkg, rootPkg, rules) {
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57 | for (var i in rules) {
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58 | debug('find file from rule[%s]', i);
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59 | var rule = rules[i];
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60 | var ret = rule(url, pkg, rootPkg) || {};
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61 | debug('rule result path: %s, wrap: %s', ret.path, ret.wrap);
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62 |
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63 |
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64 | if (!ret.path) {
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65 | continue;
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66 | }
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67 |
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68 |
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69 | var filepath = testFile(ret.path);
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70 |
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71 |
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72 | if (filepath && stat(filepath).isDirectory()) {
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73 | return;
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74 | }
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75 |
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76 | if (filepath) {
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77 | debug('matched %s -> %s on rule[%s]', url.pathname, filepath, i);
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78 | var file = new File({
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79 | base: pkg.dest,
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80 | path: filepath,
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81 | contents: readFile(filepath)
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82 | });
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83 | file.wrap = ret.wrap;
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84 | return file;
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85 | }
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86 | }
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87 | }
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88 |
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89 | function testFile(filepath) {
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90 | var file;
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91 |
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92 |
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93 |
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94 |
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95 | if (/\.[a-z]+\.js$/.test(filepath)) {
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96 | file = filepath.slice(0, -3);
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97 | if (exists(file)) return file;
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98 | }
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99 |
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100 |
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101 | if (extname(filepath) === '.js') {
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102 | file = filepath.replace(/\.js$/, '.coffee');
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103 | if (exists(file)) return file;
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104 | }
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105 |
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106 |
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107 |
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108 |
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109 | if (extname(filepath) === '.css') {
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110 | file = filepath.replace(/\.css$/, '.less');
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111 | if (exists(file)) return file;
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112 |
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113 |
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114 |
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115 |
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116 |
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117 |
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118 |
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119 |
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120 |
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121 | }
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122 |
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123 | if (exists(filepath)) return filepath;
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124 | }
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125 |
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