1 |
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2 |
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3 |
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4 | 'use strict';
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5 |
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6 | const $ = require('gulp-load-plugins')(),
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7 | plumber = require('gulp-plumber'),
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8 | util = require('../utils'),
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9 | publish = require('../plugins/publish'),
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10 | T = require('../tools');
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11 |
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12 | class TaskNode {
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13 | |
14 |
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15 |
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16 |
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17 |
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18 | constructor(config, gupack) {
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19 | this.name = undefined;
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20 | this.src = '';
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21 | this.filters = '';
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22 | this.plugins = [];
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23 | this.watch = [];
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24 | this.run = true;
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25 | this.noWatch = false;
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26 | this.dest = null;
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27 | this.rely = undefined;
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28 | this.loader = {};
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29 | this.pathPrefix = '';
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30 | this.base = T.getArg('cwdir') || process.cwd();
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31 | this.gupack = undefined;
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32 | this._if = undefined;
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33 | this.pluginCache = {};
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34 | this.merge = false;
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35 | this.stream = null;
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36 | this.$ = this.loadPlugin = $;
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37 |
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38 | this.before = null;
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39 |
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40 | this.after = null;
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41 |
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42 | this.beforeClean = false;
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43 |
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44 | for (let prop in config) {
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45 | if (config.hasOwnProperty(prop)) {
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46 | this[prop] = config[prop];
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47 | }
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48 | }
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49 |
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50 | if (gupack) {
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51 | this.gupack = gupack;
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52 | this.gulp = this.gupack.gulp;
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53 | this.basePath = this.gupack.basePath;
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54 | this.sourceDir = this.gupack.sourceDir;
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55 | this.buildDir = this.gupack.buildDir;
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56 | }
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57 |
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58 | this.init();
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59 | }
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60 |
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61 | init() {
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62 |
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63 | if (!this.noWatch || this.watch) this.watch = this.getTaskWatch();
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64 |
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65 |
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66 | this.src = this.getSource();
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67 |
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68 |
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69 | this.filters = this.getFilters();
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70 | this.src = this.src.concat(this.filters);
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71 |
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72 |
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73 | this.plugins = this.getPlugins();
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74 | this.src = this.src.concat(this.plugins);
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75 |
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76 |
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77 | this.dest = this.getDist();
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78 | }
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79 |
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80 | getTaskWatch() {
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81 | let source = this.src || [],
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82 | watcher = this.watch || source || [],
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83 | pathPrefix = this.pathPrefix || '';
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84 |
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85 | if (!this.watch && this.pathPrefix.length > 0) {
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86 | if (util.isString(source)) {
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87 | watcher = T.Path.join(pathPrefix, source);
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88 | } else if (util.isArray(source)) {
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89 | watcher = source.map(s => {
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90 | return T.Path.join(pathPrefix, s);
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91 | });
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92 | } else {
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93 | throw new ReferenceError('没有可用的源文件,请设置需要监听的文件或目录');
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94 | }
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95 | }
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96 | if (!this.noWatch) {
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97 | watcher = this.loadWatch(watcher);
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98 | }
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99 | return watcher;
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100 | }
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101 |
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102 | getSource() {
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103 | let source = this.src || [],
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104 | pathPrefix = this.pathPrefix || '';
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105 | source && source.length !== 0 && (source = this.loadSource(source, pathPrefix));
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106 | return source;
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107 | }
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108 |
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109 | getFilters() {
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110 | let filters = this.filters || [];
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111 | if (filters.length > 0) {
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112 | filters = this.loadSource(filters, this.pathPrefix, '!');
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113 | }
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114 | return filters;
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115 | }
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116 |
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117 | getPlugins() {
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118 | let plugins = this.plugins || [];
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119 | if (plugins.length > 0) {
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120 | plugins = this.loadSource(plugins, this.pathPrefix);
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121 | }
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122 | return plugins;
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123 | }
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124 |
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125 | getDist() {
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126 | return this.dest && T.Path.resolve(this.buildDir, this.dest);
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127 | }
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128 |
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129 | getTaskFunction(done) {
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130 |
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131 | let loaders = this.loader;
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132 | this.stream = this.gulp.src(this.src);
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133 |
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134 |
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135 | if (util.isFunction(loaders)) {
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136 | this.stream = loaders.call(null, this.stream, done) || this.stream;
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137 |
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138 | }
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139 |
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140 | this.stream = this.stream.pipe(plumber());
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141 |
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142 |
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143 | if (util.isFunction(this.before)) {
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144 | this.stream = this.before.call(this, this.stream, done) || this.stream;
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145 | }
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146 |
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147 |
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148 | this.excuteLoader(loaders, done);
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149 |
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150 |
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151 | this.excutePublish();
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152 |
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153 |
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154 | if (util.isFunction(this.after)) {
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155 | this.stream = this.after.call(this, this.stream, done) || this.stream;
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156 | }
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157 |
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158 | this.stream = this.stream.pipe(plumber());
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159 |
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160 |
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161 | this.excuteDest();
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162 |
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163 | return this.stream;
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164 | }
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165 |
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166 | loadWatch(source, pathPrefix) {
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167 | pathPrefix = pathPrefix || '';
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168 | if (!source) return '';
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169 | if (util.isString(source)) {
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170 | source = T.Path.resolve(this.sourceDir, pathPrefix, source);
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171 | } else {
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172 | source = source.map(src => {
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173 | return T.Path.resolve(this.sourceDir, pathPrefix, src);
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174 | });
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175 | }
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176 | return source;
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177 | }
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178 |
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179 | loadSource(source, pathPrefix, nos) {
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180 | nos = nos || '';
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181 | pathPrefix = pathPrefix || '';
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182 | if (!source) return '';
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183 | if (util.isString(source)) {
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184 | source = [nos + T.Path.resolve(this.sourceDir, pathPrefix, source)];
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185 | } else {
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186 | source = source.map(src => {
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187 | return nos + T.Path.resolve(this.sourceDir, pathPrefix, src);
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188 | });
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189 | }
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190 | return source;
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191 | }
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192 |
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193 | excuteLoader(loaders, done) {
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194 | process.chdir(this.basePath);
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195 | this.pluginCache = {};
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196 |
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197 | util.isObject(loaders) &&
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198 | !util.isEmptyObject(loaders) &&
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199 | Object.keys(loaders).forEach(loaderName => {
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200 | let pluginName = loaderName,
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201 | plugin = this.pluginCache[pluginName],
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202 | options = loaders[loaderName];
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203 |
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204 | if (util.isFunction(options)) {
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205 | this.stream = options.call(this, this.stream, done);
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206 | return false;
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207 | }
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208 |
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209 | if (!plugin) {
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210 | plugin = (() => {
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211 | let ptemp = loaders[loaderName],
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212 | pp,
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213 | pluginPath;
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214 | ptemp && util.isObject(ptemp) && ptemp['pluginName'] && (pluginName = ptemp['pluginName']);
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215 | if (ptemp && util.isObject(ptemp)) {
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216 | ptemp['pluginName'] && (pluginName = ptemp['pluginName']);
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217 | ptemp['pluginPath'] && (pluginPath = ptemp['pluginPath']);
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218 | }
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219 |
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220 |
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221 | if (pluginPath) {
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222 | pluginPath = this.getPluginPath(pluginPath, pluginName);
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223 | pp = require(pluginPath);
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224 | } else {
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225 | try {
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226 |
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227 | pp = require(T.Path.resolve(this.basePath, `node_modules/${pluginName}/`));
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228 | } catch (e) {
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229 |
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230 | pp = require(pluginName);
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231 | }
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232 | }
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233 | if (!pp) {
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234 | T.log.error(`'${loaderName}' plugin is not loaded, Stream content is not supported`);
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235 | }
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236 | pp && (this.pluginCache[pluginName] = pp);
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237 | return pp;
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238 | })();
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239 | }
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240 |
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241 |
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242 |
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243 | if (plugin && util.isObject(options) && '_if' in options) {
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244 | options._if === true && (this.stream = this.stream.pipe(plugin(options)));
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245 | } else {
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246 | this.stream = this.stream.pipe(plugin(options));
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247 | }
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248 | });
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249 | }
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250 |
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251 | excutePublish() {
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252 | if (!util.isEmptyObject(this.gupack.statics) && this.gupack.statics !== false) {
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253 | this.stream = this.stream.pipe(publish(this.gupack.statics));
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254 | }
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255 | }
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256 |
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257 | excuteDest() {
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258 | if (this.dest) {
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259 |
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260 |
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261 |
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262 | this.stream = this.stream.pipe(this.gulp.dest(this.dest || this.buildDir));
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263 | }
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264 | }
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265 |
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266 |
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267 | getPluginPath(pluginPath, pluginName) {
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268 | if (!T.isAbsolutePath(pluginPath)) {
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269 | pluginPath = T.Path.resolve(this.basePath, pluginPath);
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270 | }
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271 | if (!/.js$/i.test(pluginPath)) {
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272 | pluginPath = T.Path.resolve(pluginPath, pluginName);
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273 | }
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274 | return pluginPath;
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275 | }
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276 | }
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277 |
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278 | module.exports = TaskNode; |
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