Gemini.render to create/update DOM for a Gemini.line
Gemini.contentFrom to normalize newlines vs HTML junk
This commit is contained in:
Talon Poole
parent
9d2bbfef0a
commit
4aa3547e11
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@ -38,7 +38,6 @@
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=> //talon.computer/gmi.css gmi.css
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=> //talon.computer/gmi.min.css gmi.min.css
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Psst! gmi.js enables light and dark mode toggling as well as custom themes– check it out!
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=> /js/ gmi.js
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=> /js/ Psst! gmi.js might be interesting to you as well– check it out! :)
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CC0
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@ -47,6 +47,4 @@ window.gmi.source = window.gmi.lines[0].content
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window.gmi.download()
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```
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=> /gmi.js view/download (minified version available via .min.js)
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CC0
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=> /gmi.js view/download (minified version available via .min.js) CC0
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245
gmi.js
245
gmi.js
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@ -1,84 +1,96 @@
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/* gmi.js is licensed under CC0 */
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class Gemini {
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static line(line = {}) {
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let dom = line.nodeName ? line : document.createElement(line.type || Gemini.type.TEXT)
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if (line.editable) dom.contentEditable = line.editable
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switch (line.type) {
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(line.content).groups
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dom.href = line.href || href || content
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dom.innerHTML = Gemini.innerHTML(Object.assign(line, { content, href }))
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break
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default:
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dom.innerHTML = line.innerHTML || Gemini.innerHTML(line)
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}
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static line(line) {
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let dom = Gemini.render(line).dom
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return {
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get dom() { return dom },
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get type() { return this.dom.nodeName },
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set type(type) {
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let replacement
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switch (line.type) {
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(this.content).groups
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replacement = {type, href, content, editable: this.editable }
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break
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default:
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replacement = {type, content: this.content, editable: this.editable}
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}
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const line = Gemini.line(replacement)
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this.dom.replaceWith(line.dom)
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dom = line.dom
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},
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get content() {
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switch (this.type) {
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case Gemini.type.QUOTE:
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return Array.from(this.dom.childNodes).map(child => child.textContent).join("\n")
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case Gemini.type.LIST:
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return Array.from(this.dom.children).map(child => child.textContent).join("\n")
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(this.dom.textContent).groups
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return `${href || this.dom.href} ${content}`
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case Gemini.type.PREFORMATTED:
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return this.dom.textContent
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default:
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return this.dom.innerHTML.replace(/<br>/g, "\n").replace(/\n?$/, "")
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}
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},
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set content(value) {
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switch (this.type) {
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(value).groups
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this.dom.innerHTML = Gemini.innerHTML({ type: this.type, content, href })
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this.dom.href = href
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break
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default:
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this.dom.innerHTML = Gemini.innerHTML({ type: this.type, content: value })
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}
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},
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get gmi() {
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switch (this.type) {
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case Gemini.type.PREFORMATTED:
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return Gemini.syntax[this.type] + `\n${this.content}\n` + Gemini.syntax[this.type]
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break
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default:
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return this.content.split("\n").map(content => `${Gemini.syntax[this.type] !== "" ? Gemini.syntax[this.type] + " ": ""}${content}`).join("\n")
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}
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},
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set type(type) { dom = Gemini.render({dom, type, content: Gemini.contentFrom(dom)}).dom },
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get content() { return Gemini.contentFrom(dom) },
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set content(content) { dom = Gemini.render({dom, type: dom.nodeName, content}) },
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get editable() { return this.dom.contentEditable === "true" },
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set editable(value) {
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this.dom.contentEditable = value
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set editable(value) { Gemini.render({dom: this.dom, type: this.type, content: this.content, editable: value}) },
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delete() { return this.dom.remove() },
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get gmi() {
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const syntax = Gemini.syntax[this.type]
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const content = Gemini.contentFrom(this.dom).replace(/\n?$/, "")
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switch (this.type) {
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case Gemini.type.LINK:
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let {href, content} = Gemini.PARSE_LINK.exec(this.content).groups
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this.dom.innerHTML = Gemini.innerHTML({ type: this.type, editable: value, content, href })
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this.dom.href = href
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case Gemini.type.PREFORMATTED:
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return `${syntax}\n${content}\n${syntax}`
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break
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default:
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return content.split("\n").map(line =>
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`${syntax !== "" ? syntax + " " : ""}${line}`
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).join("\n")
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}
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},
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get before() { return Gemini.line(this.dom.previousElementSibling) },
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set before(line) { this.before.dom.after(line.dom) },
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get after() { return Gemini.line(this.dom.nextElementSibling) },
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set after(line) { this.after.dom.before(line.dom) },
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delete() { return this.dom.remove() },
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}
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}
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static render(line) {
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if (line.dom && line.dom.nodeName !== line.type) {
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const replacement = document.createElement(line.type)
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line.dom.replaceWith(replacement)
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line.dom = replacement
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} else if (line.nodeName) {
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line = {
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dom: line,
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type: line.nodeName,
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content: Gemini.contentFrom(line),
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editable: line.contentEditable
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}
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} else {
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line.dom = line.dom || document.createElement(line.type || Gemini.type.TEXT)
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}
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line.dom.contentEditable = line.editable || "inherit"
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switch (line.type) {
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(line.content).groups
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line.dom.innerHTML = line.editable && href !== content ? `${href} ${content}` : content
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line.dom.href = href
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break
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case Gemini.type.LIST:
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line.dom.innerHTML = line.content.split("\n").map(content =>
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content.length > 0 ? `<li>${content}</li>` : ""
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).join("\n")
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break
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case Gemini.type.QUOTE:
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line.dom.innerHTML = line.content.split("\n").map(content =>
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`<div>${content}</div>`
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).join("\n")
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break
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case Gemini.type.PREFORMATTED:
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line.dom.textContent = line.content
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break
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default:
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line.dom.innerHTML = line.content.replace(/\n+/g, "<br>")
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}
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return line
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}
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static contentFrom(dom) {
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switch (dom.nodeName) {
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case Gemini.type.QUOTE:
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return Array.from(dom.childNodes).map(child =>
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child.textContent
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).join("\n")
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break
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case Gemini.type.LIST:
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return Array.from(dom.children).map(child =>
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child.textContent
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).join("\n")
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break
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case Gemini.type.LINK:
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const {href, content} = Gemini.PARSE_LINK.exec(dom.textContent).groups
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return `${href || dom.href} ${content}`
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break
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case Gemini.type.PREFORMATTED:
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return dom.textContent
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break
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default:
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return dom.innerHTML.replace(/<br>/g, "\n")
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}
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}
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get lines() {
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@ -91,6 +103,10 @@ class Gemini {
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this.root.append(...lines.map(line => line.dom))
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}
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get source() { return this.lines.map(line => line.gmi).join("\n") }
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set source(gmi) {
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this.lines = Gemini.parse(gmi).map(([content, type]) =>
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Gemini.line({type, content}))
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}
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download() {
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const el = document.createElement('a')
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el.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(this.source))
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@ -100,64 +116,6 @@ class Gemini {
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}
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// TODO: Refactor all of this into something cohesive
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// perserve newlines between link/heading and multiline types
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static innerHTML(line) {
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switch (line.type) {
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case Gemini.type.LINK:
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return line.editable && line.href !== line.content ? `${line.href} ${line.content}` : line.content
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case Gemini.type.LIST:
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return line.content.split("\n").map(content =>
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content.length > 0 ? `<li>${content}</li>` : ""
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).join("\n")
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case Gemini.type.QUOTE:
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return line.content.split("\n").map(content =>
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`<div>${content}</div>`
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).join("\n")
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case Gemini.type.PREFORMATTED:
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return line.content
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default:
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return line.content.replace(/\n+/g, "<br>")
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}
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}
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// TODO: pull parsing out and make it more useful
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set source(gmi) {
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let lines = gmi.split("\n")
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let parsed = []
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while (lines.length) {
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const line = lines.shift()
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const syntax = /^[^\s]+/
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const type = syntax.test(line) ? Gemini.nodeName[line.match(syntax)[0]] || Gemini.type.TEXT : Gemini.type.TEXT
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let content = ""
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let until
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switch (type) {
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case Gemini.type.PREFORMATTED:
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until = lines.findIndex(line => line === Gemini.syntax[Gemini.type.PREFORMATTED])
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content = lines.slice(0, until).join("\n")
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lines = lines.slice(until + 1)
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break
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case Gemini.type.QUOTE:
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until = lines.findIndex(line => /[^>]/.test(line))
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content = [line, ...lines].slice(0, until + 1).map(line => line.replace("> ", "")).join("\n")
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lines = lines.slice(until)
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break
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case Gemini.type.LIST:
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until = lines.findIndex(line => /[^\*]/.test(line))
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content = [line, ...lines].slice(0, until + 2).map(line => line.replace("* ", "")).join("\n")
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lines = lines.slice(until + 1)
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break
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case Gemini.type.TEXT:
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content = line
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break
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default:
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content = line.replace(syntax, "")
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}
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parsed.push({type, content: content.length === 0 ? "\n" : content.trim()})
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}
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this.lines = parsed.map(Gemini.line)
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}
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static PARSE_LINK = /((?<href>[^\s]+\/\/[^\s]+)\s)?(?<content>.+)/
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static type = {
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TEXT: "P",
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@ -186,6 +144,41 @@ class Gemini {
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return flipped
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}, {})
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}
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static parse(gmi) {
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let lines = gmi.split("\n")
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let parsed = []
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while (lines.length) {
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const line = lines.shift()
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const syntax = /^[^\s]+/
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const type = syntax.test(line) ? Gemini.nodeName[line.match(syntax)[0]] || Gemini.type.TEXT : Gemini.type.TEXT
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let content = ""
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let until
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switch (type) {
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case Gemini.type.PREFORMATTED:
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until = lines.findIndex(line => line === Gemini.syntax[Gemini.type.PREFORMATTED])
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content = lines.slice(0, until).join("\n")
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lines = lines.slice(until + 1)
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break
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case Gemini.type.QUOTE:
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until = lines.findIndex(line => /[^>]/.test(line))
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content = [line, ...lines].slice(0, until + 1).map(line => line.replace("> ", "")).join("\n")
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lines = lines.slice(until)
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break
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case Gemini.type.LIST:
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until = lines.findIndex(line => /[^\*]/.test(line))
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content = [line, ...lines].slice(0, until + 2).map(line => line.replace("* ", "")).join("\n")
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lines = lines.slice(until + 1)
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break
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case Gemini.type.TEXT:
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content = line
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break
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default:
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content = line.replace(syntax, "")
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}
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parsed.push([content.length === 0 ? "\n" : content.trim(), type])
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}
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return parsed
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}
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constructor(root) {
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this.root = root
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// TODO: reference gmi2html implementation, fix these quirks
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2
min/gmi.min.js
vendored
2
min/gmi.min.js
vendored
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@ -1 +1 @@
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class Gemini{static line(e={}){let t=e.nodeName?e:document.createElement(e.type||Gemini.type.TEXT);switch(e.editable&&(t.contentEditable=e.editable),e.type){case Gemini.type.LINK:const{href:n,content:i}=Gemini.PARSE_LINK.exec(e.content).groups;t.href=e.href||n||i,t.innerHTML=Gemini.innerHTML(Object.assign(e,{content:i,href:n}));break;default:t.innerHTML=e.innerHTML||Gemini.innerHTML(e)}return{get dom(){return t},get type(){return this.dom.nodeName},set type(e){let n;switch(i.type){case Gemini.type.LINK:const{href:t,content:i}=Gemini.PARSE_LINK.exec(this.content).groups;n={type:e,href:t,content:i,editable:this.editable};break;default:n={type:e,content:this.content,editable:this.editable}}const i=Gemini.line(n);this.dom.replaceWith(i.dom),t=i.dom},get content(){switch(this.type){case Gemini.type.QUOTE:return Array.from(this.dom.childNodes).map((e=>e.textContent)).join("\n");case Gemini.type.LIST:return Array.from(this.dom.children).map((e=>e.textContent)).join("\n");case Gemini.type.LINK:const{href:e,content:t}=Gemini.PARSE_LINK.exec(this.dom.textContent).groups;return`${e||this.dom.href} ${t}`;case Gemini.type.PREFORMATTED:return this.dom.textContent;default:return this.dom.innerHTML.replace(/<br>/g,"\n").replace(/\n?$/,"")}},set content(e){switch(this.type){case Gemini.type.LINK:const{href:t,content:n}=Gemini.PARSE_LINK.exec(e).groups;this.dom.innerHTML=Gemini.innerHTML({type:this.type,content:n,href:t}),this.dom.href=t;break;default:this.dom.innerHTML=Gemini.innerHTML({type:this.type,content:e})}},get gmi(){switch(this.type){case Gemini.type.PREFORMATTED:return Gemini.syntax[this.type]+`\n${this.content}\n`+Gemini.syntax[this.type];default:return this.content.split("\n").map((e=>`${""!==Gemini.syntax[this.type]?Gemini.syntax[this.type]+" ":""}${e}`)).join("\n")}},get editable(){return"true"===this.dom.contentEditable},set editable(e){switch(this.dom.contentEditable=e,this.type){case Gemini.type.LINK:let{href:t,content:n}=Gemini.PARSE_LINK.exec(this.content).groups;this.dom.innerHTML=Gemini.innerHTML({type:this.type,editable:e,content:n,href:t}),this.dom.href=t}},get before(){return Gemini.line(this.dom.previousElementSibling)},set before(e){this.before.dom.after(e.dom)},get after(){return Gemini.line(this.dom.nextElementSibling)},set after(e){this.after.dom.before(e.dom)},delete(){return this.dom.remove()}}}get lines(){return Array.from(this.root.children).filter((e=>Object.values(Gemini.type).includes(e.nodeName))).map(Gemini.line)}set lines(e){this.root.textContent="",this.root.append(...e.map((e=>e.dom)))}get source(){return this.lines.map((e=>e.gmi)).join("\n")}download(){const e=document.createElement("a");e.setAttribute("href","data:text/plain;charset=utf-8,"+encodeURIComponent(this.source)),e.setAttribute("download",this.lines[0].content.replace(/\s/g,"_")+".gmi"),e.style.display="none",document.body.appendChild(e),e.click(),document.body.removeChild(e)}static innerHTML(e){switch(e.type){case Gemini.type.LINK:return e.editable&&e.href!==e.content?`${e.href} ${e.content}`:e.content;case Gemini.type.LIST:return e.content.split("\n").map((e=>e.length>0?`<li>${e}</li>`:"")).join("\n");case Gemini.type.QUOTE:return e.content.split("\n").map((e=>`<div>${e}</div>`)).join("\n");case Gemini.type.PREFORMATTED:return e.content;default:return e.content.replace(/\n+/g,"<br>")}}set source(e){let t=e.split("\n"),n=[];for(;t.length;){const e=t.shift(),i=/^[^\s]+/,s=i.test(e)&&Gemini.nodeName[e.match(i)[0]]||Gemini.type.TEXT;let r,o="";switch(s){case Gemini.type.PREFORMATTED:r=t.findIndex((e=>e===Gemini.syntax[Gemini.type.PREFORMATTED])),o=t.slice(0,r).join("\n"),t=t.slice(r+1);break;case Gemini.type.QUOTE:r=t.findIndex((e=>/[^>]/.test(e))),o=[e,...t].slice(0,r+1).map((e=>e.replace("> ",""))).join("\n"),t=t.slice(r);break;case Gemini.type.LIST:r=t.findIndex((e=>/[^\*]/.test(e))),o=[e,...t].slice(0,r+2).map((e=>e.replace("* ",""))).join("\n"),t=t.slice(r+1);break;case Gemini.type.TEXT:o=e;break;default:o=e.replace(i,"")}n.push({type:s,content:0===o.length?"\n":o.trim()})}this.lines=n.map(Gemini.line)}static PARSE_LINK=/((?<href>[^\s]+\/\/[^\s]+)\s)?(?<content>.+)/;static type={TEXT:"P",LINK:"A",LIST:"UL",QUOTE:"BLOCKQUOTE",PREFORMATTED:"PRE",H1:"H1",H2:"H2",H3:"H3"};static syntax={[Gemini.type.TEXT]:"",[Gemini.type.LINK]:"=>",[Gemini.type.LIST]:"*",[Gemini.type.QUOTE]:">",[Gemini.type.PREFORMATTED]:"```",[Gemini.type.H1]:"#",[Gemini.type.H2]:"##",[Gemini.type.H3]:"###"};static get nodeName(){return Object.entries(Gemini.syntax).reduce(((e,t)=>{const[n,i]=t;return e[i]=n,e}),{})}constructor(e){this.root=e;for(let e of this.root.childNodes){if("BR"===e.nodeName){let t=document.createElement(Gemini.type.TEXT);t.innerHTML="<br>",e.replaceWith(t)}"P"===e.nodeName&&e.firstChild.nodeName===Gemini.type.LINK&&e.replaceWith(e.firstChild)}}}
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class Gemini{static line(e){let t=Gemini.render(e).dom;return{get dom(){return t},get type(){return this.dom.nodeName},set type(e){t=Gemini.render({dom:t,type:e,content:Gemini.contentFrom(t)}).dom},get content(){return Gemini.contentFrom(t)},set content(e){t=Gemini.render({dom:t,type:t.nodeName,content:e})},get editable(){return"true"===this.dom.contentEditable},set editable(e){Gemini.render({dom:this.dom,type:this.type,content:this.content,editable:e})},delete(){return this.dom.remove()},get gmi(){const e=Gemini.syntax[this.type],t=Gemini.contentFrom(this.dom).replace(/\n?$/,"");switch(this.type){case Gemini.type.PREFORMATTED:return`${e}\n${t}\n${e}`;default:return t.split("\n").map((t=>`${""!==e?e+" ":""}${t}`)).join("\n")}},get before(){return Gemini.line(this.dom.previousElementSibling)},set before(e){this.before.dom.after(e.dom)},get after(){return Gemini.line(this.dom.nextElementSibling)},set after(e){this.after.dom.before(e.dom)}}}static render(e){if(e.dom&&e.dom.nodeName!==e.type){const t=document.createElement(e.type);e.dom.replaceWith(t),e.dom=t}else e.nodeName?e={dom:e,type:e.nodeName,content:Gemini.contentFrom(e),editable:e.contentEditable}:e.dom=e.dom||document.createElement(e.type||Gemini.type.TEXT);switch(e.dom.contentEditable=e.editable||"inherit",e.type){case Gemini.type.LINK:const{href:t,content:n}=Gemini.PARSE_LINK.exec(e.content).groups;e.dom.innerHTML=e.editable&&t!==n?`${t} ${n}`:n,e.dom.href=t;break;case Gemini.type.LIST:e.dom.innerHTML=e.content.split("\n").map((e=>e.length>0?`<li>${e}</li>`:"")).join("\n");break;case Gemini.type.QUOTE:e.dom.innerHTML=e.content.split("\n").map((e=>`<div>${e}</div>`)).join("\n");break;case Gemini.type.PREFORMATTED:e.dom.textContent=e.content;break;default:e.dom.innerHTML=e.content.replace(/\n+/g,"<br>")}return e}static contentFrom(e){switch(e.nodeName){case Gemini.type.QUOTE:return Array.from(e.childNodes).map((e=>e.textContent)).join("\n");case Gemini.type.LIST:return Array.from(e.children).map((e=>e.textContent)).join("\n");case Gemini.type.LINK:const{href:t,content:n}=Gemini.PARSE_LINK.exec(e.textContent).groups;return`${t||e.href} ${n}`;case Gemini.type.PREFORMATTED:return e.textContent;default:return e.innerHTML.replace(/<br>/g,"\n")}}get lines(){return Array.from(this.root.children).filter((e=>Object.values(Gemini.type).includes(e.nodeName))).map(Gemini.line)}set lines(e){this.root.textContent="",this.root.append(...e.map((e=>e.dom)))}get source(){return this.lines.map((e=>e.gmi)).join("\n")}set source(e){this.lines=Gemini.parse(e).map((([e,t])=>Gemini.line({type:t,content:e})))}download(){const e=document.createElement("a");e.setAttribute("href","data:text/plain;charset=utf-8,"+encodeURIComponent(this.source)),e.setAttribute("download",this.lines[0].content.replace(/\s/g,"_")+".gmi"),e.style.display="none",document.body.appendChild(e),e.click(),document.body.removeChild(e)}static PARSE_LINK=/((?<href>[^\s]+\/\/[^\s]+)\s)?(?<content>.+)/;static type={TEXT:"P",LINK:"A",LIST:"UL",QUOTE:"BLOCKQUOTE",PREFORMATTED:"PRE",H1:"H1",H2:"H2",H3:"H3"};static syntax={[Gemini.type.TEXT]:"",[Gemini.type.LINK]:"=>",[Gemini.type.LIST]:"*",[Gemini.type.QUOTE]:">",[Gemini.type.PREFORMATTED]:"```",[Gemini.type.H1]:"#",[Gemini.type.H2]:"##",[Gemini.type.H3]:"###"};static get nodeName(){return Object.entries(Gemini.syntax).reduce(((e,t)=>{const[n,i]=t;return e[i]=n,e}),{})}static parse(e){let t=e.split("\n"),n=[];for(;t.length;){const e=t.shift(),i=/^[^\s]+/,o=i.test(e)&&Gemini.nodeName[e.match(i)[0]]||Gemini.type.TEXT;let r,m="";switch(o){case Gemini.type.PREFORMATTED:r=t.findIndex((e=>e===Gemini.syntax[Gemini.type.PREFORMATTED])),m=t.slice(0,r).join("\n"),t=t.slice(r+1);break;case Gemini.type.QUOTE:r=t.findIndex((e=>/[^>]/.test(e))),m=[e,...t].slice(0,r+1).map((e=>e.replace("> ",""))).join("\n"),t=t.slice(r);break;case Gemini.type.LIST:r=t.findIndex((e=>/[^\*]/.test(e))),m=[e,...t].slice(0,r+2).map((e=>e.replace("* ",""))).join("\n"),t=t.slice(r+1);break;case Gemini.type.TEXT:m=e;break;default:m=e.replace(i,"")}n.push([0===m.length?"\n":m.trim(),o])}return n}constructor(e){this.root=e;for(let e of this.root.childNodes){if("BR"===e.nodeName){let t=document.createElement(Gemini.type.TEXT);t.innerHTML="<br>",e.replaceWith(t)}"P"===e.nodeName&&e.firstChild.nodeName===Gemini.type.LINK&&e.replaceWith(e.firstChild)}}}
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Reference in a new issue