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Working on UmiJS

chencheng (云谦) sorrycc

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Working on UmiJS
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Idea: Flat file system for file-based routing

Personally I've never liked how tools like Remix or NextJS have mapped a nested file system to routes. Simple things like "I want to put this component in its own file" become annoying tasks.

I've always been a fan of "flatter" file systems, my files often look like this:

/App/

finally-polyfill

A tiny ~150-byte polyfill for Promise.prototype.finally.

Useful for browsers that support Promise but not the .finally() method.

Usage

npm install finally-polyfill

@developit
developit / *String.prototype.replaceAll() Ponyfill.md
Last active October 11, 2020 23:32
~80b ponyfill for String.prototype.replaceAll()

@developit/replaceall NPM

~80b ponyfill for String.prototype.replaceAll() with good performance.

Why ponyfill? Because this is a proposal for a spec, and polyfilling it in-place before it gets solidified could break code that relies on an incorrect implementation.

Alternate Version

Strings

String.prototype.*

None of the string methods modify this – they always return fresh strings.

  • charAt(pos: number): string ES1

    Returns the character at index pos, as a string (JavaScript does not have a datatype for characters). str[i] is equivalent to str.charAt(i) and more concise (caveat: may not work on old engines).

@ebidel
ebidel / coverage.js
Last active April 27, 2024 04:13
CSS/JS code coverage during lifecycle of page load
Moved to https://github.com/ebidel/puppeteer-examples
@kitze
kitze / store.js
Created January 24, 2018 13:14
simplified redux
import produce from 'immer';
import {createStore} from 'redux';
const handleActions = (actionsMap, defaultState) => (
state = defaultState,
{type, payload}
) =>
produce(state, draft => {
const action = actionsMap[type];
action && action(draft, payload);
@ceejbot
ceejbot / esm_in_node_proposal.md
Last active June 20, 2024 10:45
npm's proposal for supporting ES modules in node

ESM modules in node: npm edition

The proposal you’re about to read is not just a proposal. We have a working implementation of almost everything we discussed here. We encourage you to checkout and build our branch: our fork, with the relevant branch selected. Building and using the implementation will give you a better understanding of what using it as a developer is like.

Our implementation ended up differing from the proposal on some minor points. As our last action item before making a PR, we’re writing documentation on what we did. While I loathe pointing to tests in lieu of documentation, they will be helpful until we complete writing docs: the unit tests.

This repo also contains a bundled version of npm that has a new command, asset. You can read the documentation for and goals of that comma

/* eslint no-undef: 0*/
/* eslint react/jsx-no-undef: 0*/
import React from "react"
const chart = {
id: "purchase",
initial: "fetchingWorkshopData",
states: {
fetchingWorkshopData: {
on: {
@tomkis
tomkis / redux-saga-confirmation-dialog.js
Last active March 14, 2019 15:02
Implementing confirmation dialog via redux-saga
import { select, put, take } from 'redux-saga/effects';
function* emptySaga() {}
export function* withConfirmation(text, onConfirm, onCancel = emptySaga) {
yield put({ type: 'ShowConfirmationDialog', payload: text });
const { type } = yield take([
'ConfirmationDialogConfirmed',
'ConfirmationDialogCanceled'