8 examples of 'html if else' in JavaScript

257
function genIf (el) {
258
    el.ifProcessed = true;
259
    if (!el.ifConditions.length) {
260
        return '_e()';
261
    }
262
    return `(${el.ifConditions[0].exp})?${genElement(el.ifConditions[0].block)}: _e()`
263
}

133
if(expression) {
134
  return {
135
    $type: "if",
136
    condition: this._getParamNames(arguments[0])[0],
137
    expression: expression,
138
    children: arguments[1]
139
  }
140
}

119
function genIf (el: any): string {
120
  el.ifProcessed = true // avoid recursion
121
  return genIfConditions(el.ifConditions.slice())
122
}

33
export function If({ condition, children }) {
34
  if (children == null) {
35
    return null;
36
  }
37
38
  const conditionResult = getConditionResult(condition)
39
40
  return (
41
    
42
      {[].concat(children).find(c => (c.type !== Else) ^ !conditionResult) ||
43
        null}
44
    
45
  );
46
}

22
function IF(condition, ifContents, elseContents){
23
	this.condition = condition;
24
	this.ifContents = ifContents;
25
	this.elseContents = elseContents;
26
}

30
get tagName () {
31
  return 'elseif'
32
}

145
export function genIf (
146
  el: any,
147
  state: CodegenState,
148
  altGen?: Function,
149
  altEmpty?: string
150
): string {
151
  el.ifProcessed = true // avoid recursion
152
  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
153
}

60
get if() {
61
    const ifNode = new Node();
62
    ifNode.parent = this._current;
63
    this._current.set(keyword.IF, ifNode);
64
    this._current = ifNode;
65
    return this;
66
}