1 | const fs = require('fs');
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2 | const path = require('path');
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3 | const yargs = require('yargs');
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4 | const yeoman = require('yeoman-environment');
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5 |
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6 | const { executeInScope } = require('./execution-scope');
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7 |
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8 | exports.bootstrap = (eg, adapter) => {
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9 | const env = yeoman.createEnv();
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10 |
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11 | if (executeInScope(env)) {
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12 | return;
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13 | }
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14 |
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15 | env.eg = eg;
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16 |
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17 | if (adapter) {
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18 | env.adapter = adapter;
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19 | }
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20 |
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21 | const program = yargs;
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22 |
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23 | const generatorsPath = path.join(__dirname, 'generators');
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24 |
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25 | const prefix = 'express-gateway';
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26 |
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27 | const commands = [];
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28 | const subCommands = {};
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29 |
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30 | const dirs = fs
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31 | .readdirSync(generatorsPath)
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32 | .filter(dir => {
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33 | if (dir[0] === '.') {
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34 | return false;
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35 | }
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36 |
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37 | const stat = fs.statSync(path.join(generatorsPath, dir));
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38 | return stat.isDirectory();
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39 | });
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40 |
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41 | dirs.forEach(dir => {
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42 | const directoryPath = path.join(generatorsPath, dir);
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43 |
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44 | const files = fs
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45 | .readdirSync(directoryPath)
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46 | .filter(file => {
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47 | if (file[0] === '.') {
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48 | return false;
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49 | }
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50 |
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51 | const stat = fs.statSync(path.join(directoryPath, file));
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52 | return stat.isFile();
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53 | });
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54 |
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55 | files.forEach(file => {
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56 | if (file === 'index.js') {
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57 | const namespace = `${prefix}:${dir}`;
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58 | commands.push({ namespace: namespace, path: directoryPath });
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59 | env.register(directoryPath, namespace);
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60 | return;
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61 | }
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62 |
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63 | const filePath = path.join(directoryPath, file);
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64 | const namespace = `${prefix}:${dir}:${file.slice(0, -3)}`;
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65 |
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66 | if (!subCommands.hasOwnProperty(dir)) {
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67 | subCommands[dir] = [];
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68 | }
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69 |
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70 | subCommands[dir].push({
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71 | namespace: namespace,
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72 | path: filePath
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73 | });
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74 |
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75 | env.register(filePath, namespace);
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76 | });
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77 | });
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78 |
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79 | const commandAliases = {};
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80 |
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81 |
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82 |
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83 |
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84 | commands.forEach(command => {
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85 | const generator = env.create(command.namespace);
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86 |
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87 | let aliases = generator._configuration.command;
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88 | if (!Array.isArray(aliases)) {
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89 | aliases = [aliases];
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90 | }
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91 |
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92 | aliases = aliases.map(alias => {
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93 | return alias.split(/\s/)[0];
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94 | });
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95 |
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96 | const commandName = command.namespace.split(':')[1];
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97 |
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98 | aliases.forEach(a => {
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99 | commandAliases[a] = commandName;
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100 | });
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101 |
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102 | program.command(generator._configuration);
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103 | });
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104 |
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105 | const subCommandAliases = {};
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106 |
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107 |
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108 |
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109 |
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110 |
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111 |
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112 | Object.keys(subCommands).forEach(key => {
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113 | const subCommandArray = subCommands[key];
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114 |
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115 | subCommandAliases[key] = {};
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116 |
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117 | subCommandArray.forEach(s => {
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118 | const generator = env.create(s.namespace);
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119 |
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120 | let aliases = generator._configuration.command;
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121 |
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122 | if (!Array.isArray(aliases)) {
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123 | aliases = [aliases];
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124 | }
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125 |
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126 | aliases = aliases.map(alias => {
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127 | return alias.split(/\s/)[0];
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128 | });
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129 |
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130 | const commandName = s.namespace.split(':')[2];
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131 |
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132 | aliases.forEach(a => {
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133 | subCommandAliases[key][a] = commandName;
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134 | });
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135 | });
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136 | });
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137 |
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138 | env.commandAliases = [commandAliases, subCommandAliases];
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139 |
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140 | program
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141 | .usage('Usage: $0 <command> [options]')
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142 | .demandCommand()
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143 | .recommendCommands()
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144 | .strict()
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145 | .alias('h', 'help')
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146 | .wrap(Math.min(90, yargs.terminalWidth()));
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147 |
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148 | return { program, env };
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149 | };
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