From 1ec3338d2e0a0286a86d766bce3edc87e8c9a158 Mon Sep 17 00:00:00 2001
From: marihachi <marihachi0620@gmail.com>
Date: Sun, 11 Apr 2021 00:18:29 +0900
Subject: [PATCH] update mfm.js (#7435)

* use mfm.js 0.14.0

* use mfm.extract

* use mfm.extract

* use mfm.extract
---
 package.json                               |  2 +-
 src/misc/extract-custom-emojis-from-mfm.ts | 10 +++-------
 src/misc/extract-hashtags.ts               | 11 +++--------
 src/misc/extract-mentions.ts               |  9 ++-------
 src/misc/extract-url-from-mfm.ts           | 13 +++----------
 5 files changed, 12 insertions(+), 33 deletions(-)

diff --git a/package.json b/package.json
index 954a8cc62..aaa3a4376 100644
--- a/package.json
+++ b/package.json
@@ -181,7 +181,7 @@
 		"markdown-it": "12.0.4",
 		"markdown-it-anchor": "7.1.0",
 		"matter-js": "0.16.1",
-		"mfm-js": "0.12.0",
+		"mfm-js": "0.14.0",
 		"mocha": "8.3.2",
 		"moji": "0.5.1",
 		"ms": "2.1.3",
diff --git a/src/misc/extract-custom-emojis-from-mfm.ts b/src/misc/extract-custom-emojis-from-mfm.ts
index ef2cb1fd6..b29ce281b 100644
--- a/src/misc/extract-custom-emojis-from-mfm.ts
+++ b/src/misc/extract-custom-emojis-from-mfm.ts
@@ -2,13 +2,9 @@ import * as mfm from 'mfm-js';
 import { unique } from '@/prelude/array';
 
 export function extractCustomEmojisFromMfm(nodes: mfm.MfmNode[]): string[] {
-	const emojis = [] as string[];
-
-	mfm.inspect(nodes, (node) => {
-		if (node.type === 'emojiCode' && node.props.name.length <= 100) {
-			emojis.push(node.props.name);
-		}
+	const emojiNodes = mfm.extract(nodes, (node) => {
+		return (node.type === 'emojiCode' && node.props.name.length <= 100);
 	});
 
-	return unique(emojis);
+	return unique(emojiNodes.map(x => x.props.name));
 }
diff --git a/src/misc/extract-hashtags.ts b/src/misc/extract-hashtags.ts
index f89b699a9..b0a74df21 100644
--- a/src/misc/extract-hashtags.ts
+++ b/src/misc/extract-hashtags.ts
@@ -2,13 +2,8 @@ import * as mfm from 'mfm-js';
 import { unique } from '@/prelude/array';
 
 export function extractHashtags(nodes: mfm.MfmNode[]): string[] {
-	const hashtags = [] as string[];
+	const hashtagNodes = mfm.extract(nodes, (node) => node.type === 'hashtag');
+	const hashtags = unique(hashtagNodes.map(x => x.props.hashtag));
 
-	mfm.inspect(nodes, (node) => {
-		if (node.type === 'hashtag') {
-			hashtags.push(node.props.hashtag);
-		}
-	});
-
-	return unique(hashtags);
+	return hashtags;
 }
diff --git a/src/misc/extract-mentions.ts b/src/misc/extract-mentions.ts
index a0e2fb6d5..cc19b161a 100644
--- a/src/misc/extract-mentions.ts
+++ b/src/misc/extract-mentions.ts
@@ -4,13 +4,8 @@ import * as mfm from 'mfm-js';
 
 export function extractMentions(nodes: mfm.MfmNode[]): mfm.MfmMention['props'][] {
 	// TODO: 重複を削除
-	const mentions = [] as mfm.MfmMention['props'][];
-
-	mfm.inspect(nodes, (node) => {
-		if (node.type === 'mention') {
-			mentions.push(node.props);
-		}
-	});
+	const mentionNodes = mfm.extract(nodes, (node) => node.type === 'mention');
+	const mentions = mentionNodes.map(x => x.props);
 
 	return mentions;
 }
diff --git a/src/misc/extract-url-from-mfm.ts b/src/misc/extract-url-from-mfm.ts
index ec3b019ea..e6d5d0104 100644
--- a/src/misc/extract-url-from-mfm.ts
+++ b/src/misc/extract-url-from-mfm.ts
@@ -6,17 +6,10 @@ import { unique } from '@/prelude/array';
 const removeHash = (x: string) => x.replace(/#[^#]*$/, '');
 
 export function extractUrlFromMfm(nodes: mfm.MfmNode[], respectSilentFlag = true): string[] {
-	let urls = [] as string[];
-
-	mfm.inspect(nodes, (node) => {
-		if (node.type === 'url') {
-			urls.push(node.props.url);
-		} else if (node.type === 'link' && (!respectSilentFlag || !node.props.silent)) {
-			urls.push(node.props.url);
-		}
+	const urlNodes = mfm.extract(nodes, (node) => {
+		return (node.type === 'url') || (node.type === 'link' && (!respectSilentFlag || !node.props.silent));
 	});
-
-	urls = unique(urls);
+	const urls: string[] = unique(urlNodes.map(x => x.props.url));
 
 	return urls.reduce((array, url) => {
 		const urlWithoutHash = removeHash(url);