add day18

This commit is contained in:
Zoe
2022-10-10 21:06:46 -05:00
parent a977e76597
commit dcac066e2b
35 changed files with 6694 additions and 0 deletions

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export class Reactive {
constructor(obj) {
this.contents = obj;
this.listeners = {};
this.makeReactive(obj);
}
makeReactive(obj) {
Object.keys(obj).forEach(prop => this.makePropReactive(obj, prop));
}
makePropReactive(obj, key) {
let value = obj[key];
// Gotta be careful with this here
const that = this;
Object.defineProperty(obj, key, {
get() {
return value;
},
set(newValue) {
value = newValue;
that.notify(key)
}
})
}
listen(prop, handler) {
if (!this.listeners[prop]) this.listeners[prop] = [];
this.listeners[prop].push(handler);
}
notify(prop) {
if (!this.listeners[prop]) return
this.listeners[prop].forEach((listener) => listener(this.contents[prop]));
}
}

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export function setCookie(name, value, expires, path, domain) {
if (import.meta.env.SSR) return
var cookie = name.trimEnd() + "=" + escape(value) + ";";
if (expires) {
// If it's a date
if(expires instanceof Date) {
// If it isn't a valid date
if (isNaN(expires.getTime()))
expires = new Date();
}
else
expires = new Date(new Date().getTime() + parseInt(expires) * 1000 * 60 * 60 * 24);
cookie += "expires=" + expires.toGMTString() + ";";
}
if (path)
cookie += "path=" + path + ";";
if (domain)
cookie += "domain=" + domain + ";";
document.cookie = cookie;
}
export function getCookie(name) {
if (import.meta.env.SSR) return
let cname = name + "=";
let decodedCookie = decodeURIComponent(document.cookie);
let ca = decodedCookie.split(';');
for(let i = 0; i <ca.length; i++) {
let c = ca[i];
while (c.charAt(0) == ' ') {
c = c.substring(1);
}
if (c.indexOf(cname) == 0) {
return c.substring(cname.length, c.length);
}
}
return "";
}

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import { appState } from '../../main.js'
import { isSSR } from '../../entry-client.js'
// function to turn the template into reactive content "hydating" a page
export async function hydratePage() {
if (import.meta.env.SSR) return
const documentBody = document.getElementById('app')
if (!documentBody) {
throw new Error('Fatal Error: element with id app not found')
}
console.log(documentBody)
// for every item in the appState lets check for any element with the "checksum", a hex code equivalent of the item name
Object.keys(appState.contents).forEach((e) => {
if (e === undefined) return
// here we check for elements with the name of "data-token-<hex code of the item name>"
const uuid = e.split("").map(c => c.charCodeAt(0).toString(16).padStart(2, "0")).join("")
const listeningElements = document.querySelectorAll(`[${"data-token-" + uuid}]`)
listeningElements.forEach((elm) => {
if (elm.parentElement?.getAttribute('d-once') !== null) {
elm.parentElement?.removeAttribute('d-once');
return;
}
if (elm.parentElement?.getAttribute('d-html') !== null) {
appState.listen(e, (change) => elm.innerHTML = change);
elm.parentElement?.removeAttribute('d-html')
} else {
appState.listen(e, (change) => elm.textContent = change);
}
})
})
// here we look for elements with the d-on:click attribute and on click run the function in the attribute
let elms = documentBody.querySelectorAll('*[d-on\\3A click]')
elms.forEach((e) => {
const clickFunction = e.getAttribute("d-on\:click")
e.removeAttribute('d-on\:click')
if (!clickFunction) return;
e.addEventListener('click', () => {
eval(clickFunction)
})
})
document.body.addEventListener('keydown', (e) => {
ctrlPressed = e.ctrlKey
})
document.body.addEventListener('keyup', (e) => {
ctrlPressed = e.ctrlKey
})
// here we determine if an element should be deleted form the DOM via the d-if directive
let conditionalElms = document.querySelectorAll('*[d-if]')
conditionalElms.forEach(async (e) => {
const condition = e.getAttribute('d-if')
let siblingConditionalElms = []
// recursively check for subsequent elements with the d-else of d-else-if attribute
function checkForConditionSibling(elm) {
if (elm.nextElementSibling?.getAttribute('d-else-if') !== null) {
siblingConditionalElms.push(elm.nextElementSibling)
checkForConditionSibling(elm.nextElementSibling)
}
if (elm.nextElementSibling?.getAttribute('d-else') !== null) {
siblingConditionalElms.push(elm.nextElementSibling)
}
}
checkForConditionSibling(e)
function resetHTML() {
e.innerHTML = '<!-- d-if -->'
for (let i = 0; i < siblingConditionalElms.length; i++) {
siblingConditionalElms[i].innerHTML = '<!-- d-if -->'
}
}
let ifStatement = `if (!!eval(condition)) {
e.innerHTML = originalHTML
} `
for (let i = 0; i < siblingConditionalElms.length; i++) {
const originHTML = siblingConditionalElms[i].innerHTML
siblingConditionalElms[i].innerHTML = '<!-- d-if -->'
let statementDirective = 'else'
if (siblingConditionalElms[i].getAttribute('d-else-if') !== null) {
statementDirective = 'else if'
}
const condition = eval(`siblingConditionalElms[i].getAttribute('d-' + statementDirective.split(' ').join('-'))`)
if (statementDirective == 'else if') {
statementDirective = 'else if (' + condition + ')'
}
ifStatement = ifStatement + statementDirective + `{
siblingConditionalElms[${i}].innerHTML = "${originHTML}"
}`
}
e.removeAttribute('d-if')
const originalHTML = e.innerHTML
if (!condition) return;
if (condition.includes("appState.contents.")) {
let reactiveProp = /appState\.contents\.[a-zA-Z]+/.exec(condition)
if (!reactiveProp) return;
reactiveProp = reactiveProp[0].split('.')[2]
appState.listen(reactiveProp, () => {
resetHTML()
eval(ifStatement)
})
}
eval(ifStatement)
})
let pointerEnterElms = document.querySelectorAll('*[d-on\\3A pointerEnter]')
pointerEnterElms.forEach((e) => {
const enterFunction = e.getAttribute('d-on\:pointerEnter')
e.removeAttribute('d-on\:pointerEnter')
if (!enterFunction) return;
e.addEventListener('pointerenter', (event) => {
eval(enterFunction)
})
})
let pointerExitElms = document.querySelectorAll('*[d-on\\3A pointerExit]')
pointerExitElms.forEach((e) => {
const exitFunction = e.getAttribute('d-on\:pointerExit')
e.removeAttribute('d-on\:pointerExit')
if (!exitFunction) return;
e.addEventListener('pointerleave', (event) => {
eval(exitFunction)
})
})
let mouseDownElms = document.querySelectorAll('*[d-on\\3A mouseDown]')
mouseDownElms.forEach((e) => {
const downFunction = e.getAttribute('d-on\:mouseDown')
e.removeAttribute('d-on\:mouseDown')
if (!downFunction) return;
e.addEventListener('mousedown', (event) => {
eval(downFunction)
})
})
let mouseUpElms = document.querySelectorAll('*[d-on\\3A mouseUp]')
mouseUpElms.forEach((e) => {
const dupFunction = e.getAttribute('d-on\:mouseUp')
e.removeAttribute('d-on\:mouseUp')
if (!dupFunction) return;
e.addEventListener('mouseup', (event) => {
eval(dupFunction)
})
})
// here we look for elements with the d-model attribute and if there is any input in the element then we update the appState item with the name
// of the attribute value
// example: if the user types "hello" into a text field with the d-model attribute of "text" then we update the appState item with the name "text"
// to "hello"
// similar to vue.js v-model attribute
let modelElms = document.querySelectorAll('input[d-model], textarea[d-model]');
modelElms.forEach((e) => {
const modelName = e.getAttribute("d-model")
if (!modelName) return;
e.addEventListener('input', (event) => {
appState.contents[modelName] = event.target.value
})
})
let anchorElms = document.querySelectorAll('a');
anchorElms.forEach((e) => {
e.addEventListener('click', async (click) => {
event.preventDefault()
let { renderPage } = await import('./pageRenderer')
renderPage(click.target.getAttribute('href'));
})
})
// if SSR is enabled then we should prefetch pages so that they will render instantly when navigated to
if (isSSR()) {
let linkPrefetcher = await import('./linkPrefetcher.js');
linkPrefetcher.default(anchorElms)
}
}

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export default (anchorElms) => {
let prefetchedPages = []
function prefetchLink(url) {
const prefetchElm = document.createElement('link')
prefetchElm.rel = 'prefetch'
prefetchElm.href = url
prefetchElm.as = 'document'
if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD) {
prefetchElm.onload = () => { console.log('prefetched url: ' + url) }
prefetchElm.onerror = (err) => { console.error('cant prefetch url: ' + url, err) }
}
document.head.appendChild(prefetchElm)
prefetchedPages.push(url)
}
if (!('IntersectionObserver' in window)) return
const visibleObserver = new IntersectionObserver((entries, observer) => {
entries.forEach((entry) => {
const url = entry.target.getAttribute('href')
if (prefetchedPages.includes(url)) {
observer.unobserve(entry.target);
return
}
if (entry.isIntersecting) {
prefetchLink(url)
observer.unobserve(entry.target)
}
});
})
anchorElms.forEach((e) => {
const prefetch = e.getAttribute('client\:prefetch');
let method
if (prefetch == null) return
if (!!prefetch) method = prefetch
if (e.href.includes(document.location.origin) && !e.href.includes('#') && !e.href !== (document.location.href || document.location.href + '/')) {
// page would be a valid prefetch
if (method == 'hover') {
const url = e.getAttribute('href')
e.addEventListener('pointerenter', () => prefetchLink(url), { once: true })
} else {
// method is empty, visible, or invalid, either way we so the default of visible
visibleObserver.observe(e)
}
}
})
}

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import { compileToString } from '../templateRenderer'
import { isSSR } from '../../entry-client'
import { appState } from '../../main'
const tags = ["a", "abbr", "acronym", "address", "applet", "area", "article", "aside", "audio", "b", "base", "basefont", "bdi", "bdo", "bgsound", "big", "blink", "blockquote", "body", "br", "button", "canvas", "caption", "center", "cite", "code", "col", "colgroup", "content", "data", "datalist", "dd", "decorator", "del", "details", "dfn", "dir", "div", "dl", "dt", "element", "em", "embed", "fieldset", "figcaption", "figure", "font", "footer", "form", "frame", "frameset", "h1", "h2", "h3", "h4", "h5", "h6", "head", "header", "hgroup", "hr", "html", "i", "iframe", "img", "input", "ins", "isindex", "kbd", "keygen", "label", "legend", "li", "link", "listing", "main", "map", "mark", "marquee", "menu", "menuitem", "meta", "meter", "nav", "nobr", "noframes", "noscript", "object", "ol", "optgroup", "option", "output", "p", "param", "plaintext", "pre", "progress", "q", "rp", "rt", "ruby", "s", "samp", "script", "section", "select", "shadow", "small", "source", "spacer", "span", "strike", "strong", "style", "sub", "summary", "sup", "table", "tbody", "td", "template", "textarea", "tfoot", "th", "thead", "time", "title", "tr", "track", "tt", "u", "ul", "var", "video", "wbr", "xmp"]
let enabled = true;
let ctrlPressed = false;
function isHTML(tag) {
return tags.indexOf(tag.trim().toLowerCase()) > -1;
}
let documentBody
if (import.meta.env.SSR) {
const fs = await import('fs')
const path = await import('path')
documentBody = fs.readFileSync(
path.resolve('index.html'),
'utf-8'
)
} else {
documentBody = document.getElementById('app')
}
// Global function to handle rendering a page and navigation
export async function renderPage(route) {
if (ctrlPressed && route) {
window.open(route, '__blank')
return
}
if (isSSR() && route) {
window.location.href = route
return
}
if (isSSR()) return;
// Gotta remove all the style and script tags from this page so they dont leak into other pages
let decimateMode = false
document.head.childNodes.forEach((e, i, arr) => {
if (!arr[i - 2]) return
if (decimateMode) {
document.head.removeChild(e)
}
if (arr[i - 2].nodeName == '#comment' && arr[i - 2].textContent == `style-outlet`) {
decimateMode = true
}
})
if (!window.history) {
enabled = false;
return;
}
if (!documentBody) {
throw new Error('Fatal Error: element with id app not found')
}
if (route) history.pushState('', '', route);
let fileName = window.location.pathname.split('/');
if (fileName[1] === '') {
fileName = '/index';
} else {
fileName = fileName.join('/').toLowerCase().trim();
}
const page = await loadPage(fileName);
// tell the web page that the router has loaded a new page, SSR is unaffected
document.dispatchEvent(new CustomEvent('router:load', {
detail: {
page: fileName,
url: window.location.pathname,
tempalte: page,
timeStamp: new Date().getTime()
}
}))
const stringifiedTemplate = await compileToString(page);
if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD && !import.meta.env.SSR) {
console.groupCollapsed('Loaded page ' + fileName);
console.info('Template: ' + page)
console.info('stringified template: ' + stringifiedTemplate.fnStr)
console.groupEnd()
}
documentBody.innerHTML = await eval(stringifiedTemplate.fnStr);
if (stringifiedTemplate.styles) {
const cssElement = document.createElement('style')
cssElement.type = 'text/css'
cssElement.innerHTML = stringifiedTemplate.styles
document.head.appendChild(cssElement)
}
if (stringifiedTemplate.script) {
const scriptElement = document.createElement('script')
scriptElement.type = 'text/javascript'
scriptElement.innerHTML = stringifiedTemplate.script
document.head.appendChild(scriptElement)
}
// here we hydrate/re-hydrate the page content
const { hydratePage} = await import('./hydrationManager')
await hydratePage()
}
async function loadPage(page) {
if (import.meta.env.SSR) return;
if (isSSR()) return;
const file = await fetchPage(page)
return file;
}
async function fetchPage(url) {
let file
let path
(import.meta.env.PROD) ? path = '/' : path = '/src/'
await fetch(path + `pages${url}.devto`).then((response) => {
if (response.ok) {
return response.text();
}
throw new Error('Something went wrong');
})
.then((data) => {
file = data
})
.catch(async (error) => {
await fetch(path + 'layouts/404.devto').then((response) => {
if (response.ok) {
return response.text();
}
throw new Error('Something went wrong');
})
.then((data) => {
file = data
})
});
let template = file
let elements = file.split('<')
await Promise.all(elements.map(async (component) => {
component = component.split(' ')[0]
if (component.includes('/') || component.includes('{') || !component) return
component = component.split('>')[0]
if (isHTML(component)) return
await fetch(path + `components/${component}.devto`).then((response) => {
if (response.ok) {
return response.text();
}
throw new Error('Something went wrong');
})
.then((data) => {
file = data
})
template = template.replace('<' + component + ' />', file)
})
)
return template
}

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export const compileToString = async (template) => {
let styles = ``
const style = parseFromRegex(template, /<style>|<\/style>/g)
style.map(async (style, i, arr) => {
if (!style || !arr[i + 2]) return
if (style.startsWith('<style>') && arr[i + 2].startsWith('</style>')) {
styles += arr[i + 1]
}
// remove the style from the body
template = template.split('<style>' + styles + '</style>').join('')
})
let script = ``
const scriptContent = parseFromRegex(template, /<script>|<\/script>/g)
scriptContent.map(async (scriptData, i, arr) => {
if (!scriptData || !arr[i + 2]) return
if (scriptData.startsWith('<script') && arr[i + 2].startsWith('</script>')) {
script += arr[i + 1]
}
// remove the style from the body
template = template.split('<script>' + script + '</script>').join('')
})
let ast = parseFromRegex(template, /{(.*?)}/g);
let fnStr = `\`\``;
ast.map(async t => {
// checking to see if it is an interpolation
if (t.startsWith("{") && t.endsWith("}")) {
// TODO: rewrite comment
let bracketVariable = t.split(/{|}/).filter(Boolean)[0].trim();
const parentElement = fnStr.split(t)[0].split('>')
const isRawHTML = parentElement[parentElement.length - 2].includes('d-html')
if (bracketVariable.startsWith("appState.contents.")) {
const uuid = bracketVariable.substring(bracketVariable.length, 18).split('').map(c => c.charCodeAt(0).toString(16).padStart(2, "0")).join("");
fnStr = fnStr.substring(0, fnStr.length - 1) + `<span data-token-${uuid}>\``;
} else {
fnStr = fnStr.substring(0, fnStr.length - 1) + `<span>\``;
}
let runVar = `((${bracketVariable}).toString().replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'))`
if (isRawHTML) {
runVar = `(${bracketVariable})`
}
fnStr += `+ (${runVar})` + `+\`</span>\``;
} else {
// append the string to the fnStr
fnStr += `+\`${t}\``;
}
});
if (import.meta.env.VITE_VERBOSE && !import.meta.env.PROD && !import.meta.env.SSR) {
console.groupCollapsed('Compiled tempalte to String')
console.info('Template String: ' + fnStr)
console.groupEnd()
}
return { fnStr, styles, script };
}
const parseFromRegex = (template, regex) => {
let result = regex.exec(template);
const arr = []
let firstPos
while (result) {
firstPos = result.index
if (firstPos !== 0) {
arr.push(template.substr(0, firstPos))
template = template.slice(firstPos)
}
arr.push(result[0])
template = template.slice(result[0].length)
result = regex.exec(template)
}
if (template) arr.push(template)
return arr
}
export const render = (template) => {
return compileToString(template)
}