kenmori

//An error occurs //The form will be canceled. On Android/Chrome/56.0.2924.87
$("<form />", { action: "/hoge/fuga", method: "post" })
.append($("<input />", { type: "hidden", name: "xtoken", value: xtoken }))
.append($("<input />", { type: "hidden", name: "state", value: "/hoge/" + hogeId }))
.append($("<input />", { type: "hidden", name: "hoge", value: hoge }))
.append($("<input />", { type: "hidden", name: "back", value: location.pathname }))
.submit();

/////
//// add .appendTo(document.body), before .submit()

kenmori

////////no key////////keyを持たないで返しているコード///
const users = this.state.users.map(function (user){
  return <User id={user.id} name={user.name} />;
});

////////add key//////keyを設定して返しているコード///
const users = this.state.users.map(function (user){
  return <User id={user.id} key={user.id} name={user.name} />;
});

kenmori

import React, { Component } from 'hogehogefolder/react';//error react. Required module not found 

const MailToBtn = ({mailAddress, addClass, children }: Props) => (
   <a className='block w100 ' href={mailAddress}>
      <button className={`${addClass} appearanceNone outlineNone btnMain btnShadow1 size1 type1 btn100 pad0`} type='button'>
            {children}
      </button>
   </a>
)
export default MailToBtn

kenmori

[ignore]
.*/node_modules/.*

[include]
./resources/es6

[libs]//add flowtyed folder
./resources/decls

[options]

kenmori

declare module 'hogehogefolder/react' {
    declare module.exports: any;
}

kenmori

resources/es6/hogehoge/components/stateless/Button/MailToBtn.js:3
3: import React, { Component } from 'tel_fortune_lib/react';
^^^^^^^^^^^^^^^^^^^^^^^ hogehogefolder/react. Required module not found

kenmori

////error
this._increment = this._increment.bind(this);
                  ^^^^^^^^^^ property `_increment`. Covariant property `_increment` incompatible with contravariant use in
 27:         this._increment = this._increment.bind(this);
             ^^^^^^^^^^^^^^^ assignment of property `_increment`

/////// code ////////
    constructor(props: Props){
        super(props);
        this.state = {

kenmori

constructor(props: Props){
    super(props);
    this.state = {
        value : this.props.value
    }
    const self: any = this
    self._increment = this._increment.bind(this);
    self._decrement = this._decrement.bind(this);
};

kenmori

/* @flow */
//https://github.com/facebook/flow/issues/1517
import React, {Component} from 'react';

type Props = {
    title: string,
    visited: boolean,
    value: number
}

kenmori

問327

下記のような減算する関数subtractと加算する関数addがあります。

function add (x, y){
 return x + y;
}

function subtract(x, y){