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Fix more edge-case embed formatting

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Cadence Ember 2023-10-28 00:24:42 +13:00
commit afbbe0da3d
12 changed files with 428 additions and 127 deletions
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65
m2d/converters/utils.js
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@ -16,6 +16,7 @@ const BLOCK_ELEMENTS = [
"NOSCRIPT", "OL", "OUTPUT", "P", "PRE", "SECTION", "SUMMARY", "TABLE", "TBODY", "TD",
"TFOOT", "TH", "THEAD", "TR", "UL"
]
const NEWLINE_ELEMENTS = BLOCK_ELEMENTS.concat(["BR"])
/**
* Determine whether an event is the bridged representation of a discord message.
@ -63,7 +64,71 @@ function getEventIDHash(eventID) {
return signedHash
}
class MatrixStringBuilder {
constructor() {
this.body = ""
this.formattedBody = ""
}
/**
* @param {string} body
* @param {string} formattedBody
* @param {any} [condition]
*/
add(body, formattedBody, condition = true) {
if (condition) {
if (formattedBody == undefined) formattedBody = body
this.body += body
this.formattedBody += formattedBody
}
return this
}
/**
* @param {string} body
* @param {string} [formattedBody]
* @param {any} [condition]
*/
addLine(body, formattedBody, condition = true) {
if (condition) {
if (formattedBody == undefined) formattedBody = body
if (this.body.length && this.body.slice(-1) !== "\n") this.body += "\n"
this.body += body
const match = this.formattedBody.match(/<\/?([a-zA-Z]+[a-zA-Z0-9]*)[^>]*>\s*$/)
if (this.formattedBody.length && (!match || !NEWLINE_ELEMENTS.includes(match[1].toUpperCase()))) this.formattedBody += "<br>"
this.formattedBody += formattedBody
}
return this
}
/**
* @param {string} body
* @param {string} [formattedBody]
* @param {any} [condition]
*/
addParagraph(body, formattedBody, condition = true) {
if (condition) {
if (formattedBody == undefined) formattedBody = body
if (this.body.length && this.body.slice(-1) !== "\n") this.body += "\n\n"
this.body += body
formattedBody = `<p>${formattedBody}</p>`
this.formattedBody += formattedBody
}
return this
}
get() {
return {
msgtype: "m.text",
body: this.body,
format: "org.matrix.custom.html",
formatted_body: this.formattedBody
}
}
}
module.exports.BLOCK_ELEMENTS = BLOCK_ELEMENTS
module.exports.eventSenderIsFromDiscord = eventSenderIsFromDiscord
module.exports.getPublicUrlForMxc = getPublicUrlForMxc
module.exports.getEventIDHash = getEventIDHash
module.exports.MatrixStringBuilder = MatrixStringBuilder