forked from mystiq/hydrogen-web
75 lines
2.5 KiB
JavaScript
75 lines
2.5 KiB
JavaScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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function htmlEscape(string) {
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return string.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
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}
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function fallbackForNonTextualMessage(msgtype) {
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switch (msgtype) {
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case "m.file":
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return "sent a file.";
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case "m.image":
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return "sent an image.";
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case "m.video":
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return "sent a video.";
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case "m.audio":
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return "sent an audio file.";
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}
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return null;
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}
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function fallbackPrefix(msgtype) {
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return msgtype === "m.emote" ? "* " : "";
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}
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function _createReplyContent(targetId, msgtype, body, formattedBody) {
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return {
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msgtype,
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body,
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"format": "org.matrix.custom.html",
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"formatted_body": formattedBody,
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"m.relates_to": {
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"m.in_reply_to": {
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"event_id": targetId
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}
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}
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};
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}
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export function createReplyContent(entry, msgtype, body) {
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// TODO check for absense of sender / body / msgtype / etc?
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const nonTextual = fallbackForNonTextualMessage(entry.content.msgtype);
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const prefix = fallbackPrefix(entry.content.msgtype);
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const sender = entry.sender;
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const name = entry.displayName || sender;
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const formattedBody = nonTextual || entry.content.formatted_body ||
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(entry.content.body && htmlEscape(entry.content.body)) || "";
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const formattedFallback = `<mx-reply><blockquote>In reply to ${prefix}` +
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`<a href="https://matrix.to/#/${sender}">${name}</a><br />` +
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`${formattedBody}</blockquote></mx-reply>`;
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const plainBody = nonTextual || entry.content.body || "";
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const bodyLines = plainBody.split("\n");
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bodyLines[0] = `> ${prefix}<${sender}> ${bodyLines[0]}`
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const plainFallback = bodyLines.join("\n> ");
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const newBody = plainFallback + '\n\n' + body;
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const newFormattedBody = formattedFallback + htmlEscape(body);
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return _createReplyContent(entry.id, msgtype, newBody, newFormattedBody);
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}
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