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2017-12-14 10:17:13 +01:00
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+#!/usr/bin/env node
+/*
+ * JavaScript Templates Compiler
+ * https://github.com/blueimp/JavaScript-Templates
+ *
+ * Copyright 2011, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * https://opensource.org/licenses/MIT
+ */
+
+;(function () {
+  'use strict'
+  var path = require('path')
+  var tmpl = require(path.join(__dirname, 'tmpl.js'))
+  var fs = require('fs')
+  // Retrieve the content of the minimal runtime:
+  var runtime = fs.readFileSync(path.join(__dirname, 'runtime.js'), 'utf8')
+  // A regular expression to parse templates from script tags in a HTML page:
+  var regexp = /<script( id="([\w-]+)")? type="text\/x-tmpl"( id="([\w-]+)")?>([\s\S]+?)<\/script>/gi
+  // A regular expression to match the helper function names:
+  var helperRegexp = new RegExp(
+    tmpl.helper.match(/\w+(?=\s*=\s*function\s*\()/g).join('\\s*\\(|') +
+      '\\s*\\('
+  )
+  // A list to store the function bodies:
+  var list = []
+  var code
+  // Extend the Templating engine with a print method for the generated functions:
+  tmpl.print = function (str) {
+    // Only add helper functions if they are used inside of the template:
+    var helper = helperRegexp.test(str) ? tmpl.helper : ''
+    var body = str.replace(tmpl.regexp, tmpl.func)
+    if (helper || /_e\s*\(/.test(body)) {
+      helper = '_e=tmpl.encode' + helper + ','
+    }
+    return (
+      'function(' +
+      tmpl.arg +
+      ',tmpl){' +
+      ('var ' + helper + "_s='" + body + "';return _s;")
+        .split("_s+='';")
+        .join('') +
+      '}'
+    )
+  }
+  // Loop through the command line arguments:
+  process.argv.forEach(function (file, index) {
+    var listLength = list.length
+    var stats
+    var content
+    var result
+    var id
+    // Skip the first two arguments, which are "node" and the script:
+    if (index > 1) {
+      stats = fs.statSync(file)
+      if (!stats.isFile()) {
+        console.error(file + ' is not a file.')
+        return
+      }
+      content = fs.readFileSync(file, 'utf8')
+      while (true) {
+        // Find templates in script tags:
+        result = regexp.exec(content)
+        if (!result) {
+          break
+        }
+        id = result[2] || result[4]
+        list.push("'" + id + "':" + tmpl.print(result[5]))
+      }
+      if (listLength === list.length) {
+        // No template script tags found, use the complete content:
+        id = path.basename(file, path.extname(file))
+        list.push("'" + id + "':" + tmpl.print(content))
+      }
+    }
+  })
+  if (!list.length) {
+    console.error('Missing input file.')
+    return
+  }
+  // Combine the generated functions as cache of the minimal runtime:
+  code = runtime.replace('{}', '{' + list.join(',') + '}')
+  // Print the resulting code to the console output:
+  console.log(code)
+})()