template/template.js at master · triskeljs/template · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

var ConText = require('@triskel/con-text').ConText,
    parseTemplate = require('./parser'),
    renderTokens = require('./render'),
    preset_statements = require('./preset-statements')

function _compileTemplate(con_Text, statements, self_closed_statements, template_src) {
  var tokens = parseTemplate(template_src, self_closed_statements)

  return function (data) {
    return renderTokens(con_Text, tokens, data, statements)
  }
}

function createTemplateContext () {

  var con_Text = new ConText()
  var templates_cache = {}

  var statements = Object.create(preset_statements)
  var self_closed_statements = {}

  function template (template_src, data) {
    if( typeof template_src !== 'string' ) throw new TypeError('template source should be a String')

    return data === undefined ?
      _compileTemplate(con_Text, statements, self_closed_statements, template_src) :
      renderTokens(con_Text, parseTemplate(template_src, self_closed_statements), data, statements)
  }

  template.context = createTemplateContext

  function _throwType (text, received) {
    throw new TypeError(text + ', received: ' + (typeof received) )
  }

  template.statement = function (statement_name, statementFn, self_closed) {
    if( typeof statement_name !== 'string' ) return _throwType('statement (cmd) name should be a String', statement_name )
    if( typeof statementFn !== 'function' ) return _throwType('statement function should be a Function', statementFn )
    if( self_closed ) self_closed_statements[statement_name] = true
    statements[statement_name] = statementFn

    return template
  }
  template.cmd = template.statement

  template.filter = function (filter_name, filterFn) {
    if( typeof filter_name !== 'string' ) _throwType('filter name should be a String', filter_name )
    if( typeof filterFn !== 'function' ) _throwType('filter function should be a Function', filterFn )

    con_Text.defineFilter(filter_name, filterFn)
    return template
  }

  template.compile = function (template_src) {
    return _compileTemplate(con_Text, statements, self_closed_statements, template_src)
  }

  template.render = function (template_src, data) {
    return renderTokens(con_Text, parseTemplate(template_src, self_closed_statements), data, statements)
  }

  template.put = function (template_name, template_src) {
    templates_cache[template_name] = _compileTemplate(con_Text, statements, self_closed_statements, template_src)
    return template
  }

  template.get = function (template_name) {
    return templates_cache[template_name]
  }

  return template

}

module.exports = createTemplateContext()