Method if

docs/scripts/ajv-validator.js:1167–1179

(condition, thenBody, elseBody)

                }
                // `if` clause (or statement if `thenBody` and, optionally, `elseBody` are passed)
                if(condition, thenBody, elseBody) {
                    this._blockNode(new If(condition));
                    if (thenBody && elseBody) {
                        this.code(thenBody).else().code(elseBody).endIf();
                    }
                    else if (thenBody) {
                        this.code(thenBody).endIf();
                    }
                    else if (elseBody) {
                        throw new Error('CodeGen: "else" body without "then" body');
                    }
                    return this;
                }
                // `else if` clause - invalid without `if` or after `else` clauses
                elseIf(condition) {
                    return this._elseNode(new If(condition));