nexpr / evlogger.js

Created July 10, 2021 12:53

イベントリスナ形式のロガー

	export const createLogger = (id, parent) => {
	const listeners = parent?.listeners \|\| {}
	const logger = {}

	const on = (type, fn) => {
	if (!listeners[type]) {
	listeners[type] = new Set()
	}
	listeners[type].add(fn)
	}

nexpr / index.html

Last active June 26, 2021 11:38

nexpr / lcsv.js

Created June 26, 2021 08:35

制限付き CSV パーサ / 列情報が必要 / 列数は固定 / 列ごとにクオートの有無と変換する型を指定

	const lcsvp = (cols, opt) => {
	const cols_def = cols.map((c) => (typeof c === "boolean" ? { quote: c } : c))
	const cols_restr = cols_def.map((c) => (c.quote ? `"((?:[^"]\|"")?)"` : "([^,]?)")).join(opt?.space ? " , " : ",")
	const row_re = new RegExp(`^${cols_restr}(?:\r?\n\|$)`)
	const cols_formatter = cols_def.map((x) => (x.type === JSON ? JSON.parse : x.type \|\| String))
	const unescape = (str, ci) => (cols_def[ci].quote ? str.replace(/""/g, '"') : str)

	return (text) => {
	const rows = []
	while (text) {

nexpr / get-namespace-items.php

Last active June 8, 2021 08:38

指定の名前空間に定義・宣言されたものの一覧を取得

	<?php

	function get_namespace_items($namespace, $include_sub_namespaces = false) {
	$namespace = trim($namespace, '\\') . '\\';

	$classes = get_declared_classes();
	$interfaces = get_declared_interfaces();
	$traits = get_declared_traits();
	$functions = get_defined_functions();
	$constants = get_defined_constants();

nexpr / 01.js

Created June 5, 2021 02:59

CustomElement の属性でプロパティを渡す / 属性ではプロパティ名の指定 / getRootNode() で取得できる Node の context オブジェクトから検索

	class Base extends HTMLElement {
	constructor() {
	super()
	const root = this.attachShadow({ mode: "open" })
	root.context = {}

	for (const name of this.bind_properties) {
	Object.defineProperty(this, name, {
	get() {
	const attr = this.getAttribute(name)

nexpr / example.html

Last active June 4, 2021 11:15

leaflet map に多くの位置を表示するを CustomElement 化したもの

nexpr / enex-to-html.html

Last active June 2, 2021 12:30

	<!DOCTYPE html>
	<meta charset="utf-8" />
	<title>enex preview and convert</title>

	<style>
	* {
	box-sizing: border-box;
	}

	body {

nexpr / prevent-navigation.js

Last active June 2, 2021 15:56

prevent navigation module

	const set = new Set()

	window.addEventListener("beforeunload", (event) => {
	if (set.size) {
	event.returnValue = "prevent"
	}
	})

	export const prevent = (key) => {
	set.add(key)

nexpr / 3d.html

Created May 30, 2021 04:42

3d example

nexpr / example.md

Last active May 17, 2021 07:20

縦書き

Example

let text = `
あいう
えお
かきくけこ
`.trim()

console.log(text)

NER nexpr