mirror of https://github.com/zulip/zulip.git
emoji: Convert spritesheets to webp.
This provides significant size savings: | Emoji set | png size | webp size | webp/png percent | | ----------- | -------- | --------- | ---------------- | | google-blob | 1968954 | 1373350 | 69.75% | | twitter | 2972820 | 2149672 | 72.31% | | google | 3455270 | 2327834 | 67.37% | Since these are the largest assets that we ship to clients, it is worth shaving off every byte we can.
This commit is contained in:
Alex Vandiver
Tim Abbott
parent
a2517e1115
commit
38053e9c7c
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@ -28,6 +28,7 @@ VENV_DEPENDENCIES = [
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"jq", # No longer used in production (clean me up later)
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"libsasl2-dev", # For building python-ldap from source
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"libvips", # For thumbnailing
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"libvips-tools",
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]
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COMMON_YUM_VENV_DEPENDENCIES = [
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@ -46,6 +47,7 @@ COMMON_YUM_VENV_DEPENDENCIES = [
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"openssl-devel",
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"jq",
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"vips", # For thumbnailing
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"vips-tools",
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]
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REDHAT_VENV_DEPENDENCIES = [
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@ -4,6 +4,7 @@
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# works.
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import os
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import shutil
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import subprocess
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import sys
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from collections.abc import Iterator, Sequence
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from typing import Any
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@ -49,7 +50,7 @@ div.emoji,
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span.emoji
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{{
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display: inline-block;
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background-image: url(~emoji-datasource-{emojiset}/img/{alt_name}/sheets-256/64.png);
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background-image: url(../emoji/{emojiset}.webp);
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background-size: {background_size};
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background-repeat: no-repeat;
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@ -116,15 +117,16 @@ def main() -> None:
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# /srv/zulip-emoji-cache/*/web gets copied to ZULIP_PATH/web/generated
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# These must not be symlinked so webpack can resolve module references.
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TARGET_EMOJI_STYLES = os.path.join(ZULIP_PATH, "web", "generated", "emoji-styles")
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os.makedirs(TARGET_EMOJI_STYLES, exist_ok=True)
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to_remove = set(os.listdir(TARGET_EMOJI_STYLES))
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source_emoji_dump = os.path.join(emoji_cache_path, "web", "emoji-styles")
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for subdir in ("emoji", "emoji-styles"):
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target_dir = os.path.join(ZULIP_PATH, "web", "generated", subdir)
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os.makedirs(target_dir, exist_ok=True)
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to_remove = set(os.listdir(target_dir))
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source_emoji_dump = os.path.join(emoji_cache_path, "web", subdir)
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for filename in os.listdir(source_emoji_dump):
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shutil.copy2(os.path.join(source_emoji_dump, filename), TARGET_EMOJI_STYLES)
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shutil.copy2(os.path.join(source_emoji_dump, filename), target_dir)
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to_remove.discard(filename)
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for filename in to_remove:
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os.remove(os.path.join(TARGET_EMOJI_STYLES, filename))
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os.remove(os.path.join(target_dir, filename))
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def percent(f: float) -> str:
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@ -334,6 +336,26 @@ def setup_emoji_farms(cache_path: str, emoji_data: list[dict[str, Any]]) -> None
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generate_sprite_css_files(cache_path, emoji_data, emojiset, alt_name, fallback_emoji_data)
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print(f"Converting {emojiset} sheet to webp...")
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TARGET_EMOJI_SHEETS = os.path.join(cache_path, "web", "emoji")
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os.makedirs(TARGET_EMOJI_SHEETS, exist_ok=True)
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sheet_src = os.path.join(
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NODE_MODULES_PATH,
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f"emoji-datasource-{emojiset}",
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"img",
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alt_name,
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"sheets-256",
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"64.png",
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)
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sheet_dst = os.path.join(TARGET_EMOJI_SHEETS, f"{emojiset}.webp")
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# From libwebp: [Q is] between 0 and 100. For lossy, 0 gives
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# the smallest size and 100 the largest. For lossless, this
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# parameter is the amount of effort put into the
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# compression: 0 is the fastest but gives larger files
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# compared to the slowest, but best, 100.
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subprocess.check_call(["vips", "copy", sheet_src, f"{sheet_dst}[lossless=true,Q=100]"])
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# Set up standard emoji sets.
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for emojiset in ["google", "twitter"]:
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setup_emoji_farm(emojiset, emoji_data)
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@ -1,4 +1,5 @@
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# From emoji
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/generated/emoji
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/generated/emoji-styles
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# From passing pygments data to the frontend
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/generated/pygments_data.json
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@ -13,6 +13,11 @@ declare module "*.png" {
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export default url;
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}
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declare module "*.webp" {
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const url: string;
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export default url;
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}
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// Declare the style loader for CSS files. This is used in the
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// `import` statements in the `emojisets.ts` file.
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declare module "!style-loader?*" {
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@ -1,8 +1,7 @@
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import google_sheet from "emoji-datasource-google/img/google/sheets-256/64.png";
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import google_blob_sheet from "emoji-datasource-google-blob/img/google/sheets-256/64.png";
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import twitter_sheet from "emoji-datasource-twitter/img/twitter/sheets-256/64.png";
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import octopus_url from "../../static/generated/emoji/images-google-64/1f419.png";
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import google_blob_sheet from "../generated/emoji/google-blob.webp";
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import google_sheet from "../generated/emoji/google.webp";
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import twitter_sheet from "../generated/emoji/twitter.webp";
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import * as blueslip from "./blueslip";
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import {user_settings} from "./user_settings";
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@ -147,7 +147,7 @@ run_test("paste_handler_converter", () => {
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// Emojis
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input =
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'<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">emojis:<span> </span></span><span aria-label="smile" class="emoji emoji-1f642" role="img" title="smile" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 55% 46.667%; display: inline-block; background-image: url("http://localhost:9991/webpack/files/srv/zulip-npm-cache/287cb53c1a095fe79651f095d5d8d60f7060baa7/node_modules/emoji-datasource-google/img/google/sheets-256/64.png"); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:smile:</span><span style="color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span> </span></span><span aria-label="family man woman girl" class="emoji emoji-1f468-200d-1f469-200d-1f467" role="img" title="family man woman girl" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 23.333% 75%; display: inline-block; background-image: url("http://localhost:9991/webpack/files/srv/zulip-npm-cache/287cb53c1a095fe79651f095d5d8d60f7060baa7/node_modules/emoji-datasource-google/img/google/sheets-256/64.png"); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:family_man_woman_girl:</span>';
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'<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">emojis:<span> </span></span><span aria-label="smile" class="emoji emoji-1f642" role="img" title="smile" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 55% 46.667%; display: inline-block; background-image: url("http://localhost:9991/webpack/files/generated/emoji/google.webp"); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:smile:</span><span style="color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span> </span></span><span aria-label="family man woman girl" class="emoji emoji-1f468-200d-1f469-200d-1f467" role="img" title="family man woman girl" style="height: 20px; width: 20px; position: relative; margin-top: -7px; vertical-align: middle; top: 3px; background-position: 23.333% 75%; display: inline-block; background-image: url("http://localhost:9991/webpack/files/generated/emoji/google.webp"); background-size: 6100%; background-repeat: no-repeat; text-indent: 100%; white-space: nowrap; overflow: hidden; color: rgb(221, 222, 238); font-family: "Source Sans 3", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(33, 45, 59); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">:family_man_woman_girl:</span>';
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assert.equal(
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copy_and_paste.paste_handler_converter(input),
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"emojis: :smile: :family_man_woman_girl:",
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@ -192,7 +192,7 @@ const config = (
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},
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// load fonts and files
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{
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test: /\.(eot|jpg|svg|ttf|otf|png|woff2?)$/,
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test: /\.(eot|jpg|svg|ttf|otf|png|webp|woff2?)$/,
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type: "asset/resource",
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},
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],
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