1 | 'use strict'
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2 |
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3 | const ware = require('ware')
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4 | const fs = require('fs')
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5 | const jade = require('jade')
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6 | const join = require('path').join
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7 | const assign = Object.assign
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8 |
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9 | const buildJs = require('./lib/build_js')
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10 | const buildCss = require('./lib/build_css')
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11 | const hash = require('./lib/hash')
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12 | const eachCons = require('./lib/helpers/each_cons')
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13 | const toArray = require('./lib/helpers/to_array')
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14 | const memoize = require('./lib/memoize')
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15 | const useCache = require('./lib/helpers/use_cache')
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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 base (options) {
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22 | const ctx = {}
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23 |
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24 | var app = ware()
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25 | .use(reset.bind(ctx))
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26 | .use(sortCss.bind(ctx))
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27 | .use(sortJs.bind(ctx))
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28 | .use(addJs.bind(ctx))
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29 | .use(addCss.bind(ctx))
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30 | .use(relayout.bind(ctx))
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31 |
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32 | return function (files, ms, done) {
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33 | app.run(files, ms, done)
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34 | }
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35 | }
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36 |
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37 | function reset (files, ms, done) {
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38 | this.styles = []
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39 | this.scripts = []
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40 | this.stylusImports = []
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41 | done()
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42 | }
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43 |
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44 |
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45 |
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46 |
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47 |
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48 | function sortCss (files, ms, done) {
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49 | const list = toArray(ms.metadata().css)
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50 | const add = addAsset.bind(this, this.styles, 'css', files)
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51 |
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52 | list.forEach((item) => {
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53 | if (item.match(/\.styl$/)) {
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54 | const path = join(ms.source(), item)
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55 | this.stylusImports.push(path)
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56 | } else {
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57 | add(item)
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58 | }
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59 | })
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60 |
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61 | done()
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62 | }
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63 |
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64 | function sortJs (files, ms, done) {
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65 | const list = toArray(ms.metadata().js)
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66 | const add = addAsset.bind(this, this.scripts, 'js', files)
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67 |
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68 | list.forEach((item) => { add(item) })
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69 | done()
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70 | }
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71 |
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72 |
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73 |
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74 |
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75 |
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76 |
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77 | function addAsset (list, what, files, item) {
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78 | const sources = files['_docpress.json'].sources
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79 |
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80 | if (item.match(/^https?:\/\//)) {
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81 | list.push(item)
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82 | } else if (sources[item]) {
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83 | const local = sources[item]
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84 | list.push(local + '?t=' + hash(files[local].contents))
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85 | } else if (files[item]) {
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86 | list.push(item + '?t=' + hash(files[item].contents))
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87 | } else {
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88 | throw new Error(`${what}: can't find '${item}'`)
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89 | }
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90 | }
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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 |
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96 | function addCss (files, ms, done) {
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97 | const callback = (err, contents) => {
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98 | if (err) return done(err)
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99 | files['assets/style.css'] = { contents }
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100 | this.styles.unshift('assets/style.css?t=' + hash(contents))
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101 | done()
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102 | }
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103 |
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104 | const cacheable = (this.stylusImports.length === 0)
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105 |
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106 | ;(cacheable && useCache('cache/style.css', callback)) ||
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107 | buildCss({ imports: this.stylusImports }, callback)
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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 |
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113 |
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114 | function addJs (files, ms, done) {
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115 | const callback = (err, contents) => {
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116 | if (err) return done(err)
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117 | files['assets/script.js'] = { contents }
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118 | this.scripts.push('assets/script.js?t=' +
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119 | hash(files['assets/script.js'].contents))
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120 | done()
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121 | }
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122 |
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123 | useCache('cache/script.js', callback) ||
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124 | buildJs({}, callback)
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125 | }
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126 |
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127 |
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128 |
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129 |
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130 |
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131 |
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132 |
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133 |
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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 |
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139 |
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140 |
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141 |
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142 |
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143 |
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144 |
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145 |
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146 |
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147 |
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148 |
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149 | function relayout (files, ms, done) {
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150 | const toc = files['_docpress.json'].toc
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151 | const index = files['_docpress.json'].index
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152 | const meta = ms.metadata()
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153 |
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154 | const jadeData = fs.readFileSync(join(__dirname, 'data/layout.jade'), 'utf-8')
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155 | const layout = memoize(['jade', jadeData], () => {
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156 | return jade.compile(jadeData, { pretty: true })
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157 | })
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158 |
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159 | eachCons(index, (_, fname, __, prevName, ___, nextName) => {
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160 | if (!fname.match(/\.html$/)) return
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161 | const file = files[fname]
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162 | const base = Array(fname.split('/').length).join('../')
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163 | const styles = this.styles.map(relativize(base))
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164 | const scripts = this.scripts.map(relativize(base))
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165 |
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166 | const locals = {
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167 | base, toc, index, meta, styles, scripts,
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168 | prev: prevName && assign({}, index[prevName], { url: base + prevName }),
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169 | next: nextName && assign({}, index[nextName], { url: base + nextName }),
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170 | active: fname
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171 | }
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172 |
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173 | const key = [ jadeData, locals, file ]
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174 |
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175 | file.contents = memoize(['jadedata', key], () => {
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176 | return layout(assign({}, file, locals))
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177 | })
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178 | })
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179 |
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180 | done()
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181 | }
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182 |
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183 | function relativize (base) {
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184 | return function (url) {
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185 | if (url.substr(0, 1) === '/' || url.match(/^https?:\/\//)) {
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186 | return url
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187 | }
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188 |
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189 | return base + url
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190 | }
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191 | }
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