mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-08-30 12:12:40 +08:00
feat(图形界面): 将OFDGo编译为WASM提供WebUI
This commit is contained in:
@@ -0,0 +1,22 @@
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// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package webuiassets
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import "embed"
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// FS WebUI嵌入静态文件
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//
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//go:embed index.html ofdgo.js ofdgo.css wasm_exec.js ofdgo.wasm
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var FS embed.FS
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@@ -0,0 +1,111 @@
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<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>OFDGo WebUI</title>
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<link rel="stylesheet" href="./ofdgo.css">
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</head>
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<body>
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<div class="app">
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<header class="toolbar app-bar">
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<input id="ofdInput" class="file-input" type="file" accept=".ofd,application/ofd,application/zip">
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<button id="ofdButton" class="button primary" type="button" data-short="打开">打开 OFD</button>
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<input id="fontInput" class="file-input" type="file" accept=".ttf,.otf,.ttc,font/*" multiple>
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<button id="togglePagesButton" class="icon-button" type="button" title="页面栏" aria-label="页面栏" aria-pressed="true">☰</button>
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<button id="toggleMetaButton" class="icon-button" type="button" title="信息栏" aria-label="信息栏" aria-pressed="true">ⓘ</button>
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<div class="toolbar-space"></div>
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<button id="prevButton" class="icon-button" type="button" title="上一页" disabled>‹</button>
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<label class="page-control">
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<input id="pageInput" type="number" min="1" value="1" disabled>
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<span>/</span>
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<span id="pageTotal">0</span>
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</label>
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<button id="nextButton" class="icon-button" type="button" title="下一页" disabled>›</button>
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<div class="divider"></div>
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<button id="zoomOutButton" class="icon-button" type="button" title="缩小" disabled>-</button>
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<span id="zoomLabel" class="zoom-label">100%</span>
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<button id="zoomInButton" class="icon-button" type="button" title="放大" disabled>+</button>
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<button id="fitButton" class="button" type="button" data-short="宽" disabled>适宽</button>
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<button id="fitHeightButton" class="button" type="button" data-short="高" disabled>适高</button>
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<button id="exportButton" class="button" type="button" data-short="PDF" title="导出 PDF" aria-label="导出 PDF" disabled>PDF</button>
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</header>
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<main class="workspace">
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<aside class="page-list-panel">
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<div class="panel-title">页面</div>
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<div id="pageList" class="page-list"></div>
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</aside>
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<section class="viewer-panel" tabindex="0">
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<div id="emptyState" class="empty-state">选择 OFD 文件</div>
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<div id="progressPanel" class="progress-panel" hidden>
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<div class="progress-spinner"></div>
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<div id="progressLabel" class="progress-label">加载中</div>
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<div class="progress-track">
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<div id="progressBar" class="progress-bar"></div>
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</div>
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</div>
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<div id="pageFrame" class="page-frame" hidden>
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<div id="svgHost" class="svg-host"></div>
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</div>
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</section>
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<aside class="meta-panel">
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<div class="panel-title">文档</div>
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<dl class="meta-list">
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<div>
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<dt>标题</dt>
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<dd id="metaTitle">-</dd>
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</div>
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<div>
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<dt>作者</dt>
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<dd id="metaAuthor">-</dd>
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</div>
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<div>
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<dt>版本</dt>
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<dd id="metaVersion">-</dd>
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</div>
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<div>
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<dt>类型</dt>
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<dd id="metaType">-</dd>
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</div>
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<div>
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<dt>字体</dt>
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<dd id="metaFonts">0</dd>
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</div>
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</dl>
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<section class="doc-font-panel" aria-labelledby="docFontPanelTitle">
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<div class="panel-row">
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<div id="docFontPanelTitle" class="panel-title compact">OFD 字体</div>
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<span id="docFontSummary" class="count-pill">0</span>
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</div>
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<div id="docFontList" class="doc-font-list"></div>
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</section>
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<section class="font-panel" aria-labelledby="fontPanelTitle">
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<div class="panel-row">
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<div id="fontPanelTitle" class="panel-title compact">可用字体</div>
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<div class="panel-actions">
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<span id="availableFontSummary" class="count-pill">0</span>
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<button id="localFontButton" class="small-button" type="button">系统字体</button>
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<button id="fontAddButton" class="small-button" type="button">添加</button>
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</div>
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</div>
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<div id="fontList" class="font-list"></div>
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</section>
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</aside>
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</main>
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<footer class="app-footer app-bar">
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<a class="footer-brand" href="https://github.com/xiaoqidun/ofdgo" target="_blank" rel="noreferrer">OFDGo</a>
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<div id="statusText" class="status-text">正在准备渲染引擎</div>
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<nav class="footer-links" aria-label="相关链接">
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<a href="https://aite.me/" target="_blank" rel="noreferrer">官方网站</a>
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</nav>
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</footer>
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</div>
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<script src="./wasm_exec.js"></script>
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<script type="module" src="./ofdgo.js"></script>
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</body>
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</html>
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@@ -0,0 +1,900 @@
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:root {
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color-scheme: light;
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font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
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background: #eef1f4;
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color: #1f2428;
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--line: #cfd7dd;
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--line-strong: #aab7c1;
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--panel: #f8fafb;
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--page: #ffffff;
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--text-muted: #66737f;
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--accent: #0f7b68;
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--accent-strong: #095c4e;
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--focus: #c9892b;
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--sidebar-width: clamp(220px, 20vw, 292px);
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--bar-bg: #fbfcfd;
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--bar-height: 40px;
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--bar-pad: 5px 10px;
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--control-height: 28px;
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--shadow-soft: 0 10px 28px rgba(31, 36, 40, 0.12);
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--shadow-page: 0 14px 30px rgba(31, 36, 40, 0.16);
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}
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* {
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box-sizing: border-box;
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}
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body {
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margin: 0;
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min-width: 320px;
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min-height: 100vh;
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background: #eef1f4;
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}
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button,
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input {
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font: inherit;
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}
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button {
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border: 1px solid var(--line-strong);
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background: #ffffff;
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color: #1f2428;
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cursor: pointer;
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transition: border-color 0.16s ease, background-color 0.16s ease, color 0.16s ease;
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}
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button:disabled,
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input:disabled {
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cursor: not-allowed;
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opacity: 0.48;
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}
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button:focus-visible,
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input:focus-visible,
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a:focus-visible {
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outline: 2px solid var(--focus);
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outline-offset: 2px;
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}
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.app {
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display: grid;
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grid-template-rows: auto minmax(0, 1fr) auto;
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width: 100vw;
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height: 100vh;
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overflow: hidden;
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}
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.app-bar {
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display: flex;
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align-items: center;
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flex-wrap: nowrap;
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gap: 8px;
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width: 100%;
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min-width: 0;
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height: var(--bar-height);
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min-height: var(--bar-height);
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flex: 0 0 var(--bar-height);
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padding: var(--bar-pad);
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background: var(--bar-bg);
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box-shadow: 0 1px 0 rgba(255, 255, 255, 0.68) inset;
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}
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.toolbar {
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position: relative;
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z-index: 12;
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border-bottom: 1px solid var(--line);
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font-size: 14px;
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overflow-x: auto;
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overflow-y: hidden;
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scrollbar-width: none;
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-ms-overflow-style: none;
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}
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.toolbar::-webkit-scrollbar {
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display: none;
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}
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.file-input {
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position: absolute;
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width: 1px;
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height: 1px;
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overflow: hidden;
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clip: rect(0, 0, 0, 0);
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}
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.button,
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.icon-button {
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height: var(--control-height);
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border-radius: 0;
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}
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.button {
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padding: 0 10px;
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white-space: nowrap;
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}
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.button.primary {
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border-color: var(--accent);
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background: var(--accent);
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color: #ffffff;
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}
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.button.primary:hover {
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background: var(--accent-strong);
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}
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button:not(:disabled):hover {
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border-color: var(--accent);
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background: #f2faf7;
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}
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.button[aria-pressed="true"],
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.icon-button[aria-pressed="true"] {
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border-color: var(--accent);
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background: #e4f3ef;
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color: var(--accent-strong);
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}
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.icon-button {
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display: inline-grid;
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place-items: center;
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width: var(--control-height);
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padding: 0;
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font-size: 14px;
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line-height: 1;
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}
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.toolbar-space {
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flex: 1 1 auto;
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}
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.divider {
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width: 1px;
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height: 22px;
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background: var(--line);
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}
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.page-control {
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display: inline-flex;
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align-items: center;
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gap: 6px;
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height: var(--control-height);
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padding: 0 7px;
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border: 1px solid var(--line);
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border-radius: 0;
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background: #ffffff;
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color: var(--text-muted);
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}
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.page-control input {
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width: 48px;
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border: 0;
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outline: 0;
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text-align: right;
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color: #1f2428;
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background: transparent;
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}
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.zoom-label {
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min-width: 42px;
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text-align: center;
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color: var(--text-muted);
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font-variant-numeric: tabular-nums;
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}
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.workspace {
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display: grid;
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grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--sidebar-width);
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min-height: 0;
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}
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body[data-hide-pages] .workspace {
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grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
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}
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body[data-hide-meta] .workspace {
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grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
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}
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body[data-hide-pages][data-hide-meta] .workspace {
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grid-template-columns: minmax(0, 1fr);
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}
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body[data-hide-pages] .page-list-panel,
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body[data-hide-meta] .meta-panel {
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display: none;
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}
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.page-list-panel,
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.meta-panel {
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min-height: 0;
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padding: 12px;
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border-right: 1px solid var(--line);
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background: var(--panel);
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overflow: auto;
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}
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.meta-panel {
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border-right: 0;
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border-left: 1px solid var(--line);
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}
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.panel-title {
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margin-bottom: 10px;
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font-size: 12px;
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font-weight: 700;
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color: var(--text-muted);
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text-transform: uppercase;
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letter-spacing: 0;
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}
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.panel-title.compact {
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margin-bottom: 0;
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}
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.panel-row {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 8px;
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margin-bottom: 10px;
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flex-wrap: wrap;
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}
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.panel-actions {
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display: inline-flex;
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align-items: center;
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gap: 6px;
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flex-wrap: wrap;
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justify-content: flex-end;
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}
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.small-button {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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height: 26px;
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padding: 0 8px;
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border-radius: 0;
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font-size: 12px;
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white-space: nowrap;
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}
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.page-list {
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display: grid;
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gap: 8px;
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}
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.page-list-item {
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display: grid;
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gap: 6px;
|
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width: 100%;
|
||||
height: auto;
|
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padding: 8px;
|
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font-variant-numeric: tabular-nums;
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text-align: left;
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transition: border-color 0.16s ease, background-color 0.16s ease;
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}
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.page-list-item[aria-current] {
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border-color: var(--accent);
|
||||
background: #e4f3ef;
|
||||
color: var(--accent-strong);
|
||||
font-weight: 700;
|
||||
}
|
||||
|
||||
.thumb-paper {
|
||||
display: grid;
|
||||
place-items: center;
|
||||
width: 100%;
|
||||
aspect-ratio: var(--thumb-ratio, 0.707 / 1);
|
||||
overflow: hidden;
|
||||
border: 1px solid var(--line);
|
||||
background: #ffffff;
|
||||
box-shadow: 0 2px 7px rgba(31, 36, 40, 0.1);
|
||||
color: #9aa6b1;
|
||||
font-size: 20px;
|
||||
line-height: 1;
|
||||
}
|
||||
|
||||
.thumb-paper.pending,
|
||||
.thumb-paper.error {
|
||||
background:
|
||||
linear-gradient(90deg, rgba(31, 36, 40, 0.04) 1px, transparent 1px),
|
||||
linear-gradient(0deg, rgba(31, 36, 40, 0.04) 1px, transparent 1px),
|
||||
#ffffff;
|
||||
background-size: 12px 12px;
|
||||
}
|
||||
|
||||
.thumb-svg {
|
||||
display: block;
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||||
width: 100%;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.thumb-label,
|
||||
.thumb-size {
|
||||
display: block;
|
||||
overflow: hidden;
|
||||
text-overflow: ellipsis;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.thumb-label {
|
||||
font-size: 13px;
|
||||
color: #1f2428;
|
||||
}
|
||||
|
||||
.thumb-size {
|
||||
font-size: 11px;
|
||||
color: var(--text-muted);
|
||||
font-weight: 400;
|
||||
}
|
||||
|
||||
.viewer-panel {
|
||||
position: relative;
|
||||
min-width: 0;
|
||||
min-height: 0;
|
||||
overflow: auto;
|
||||
background:
|
||||
linear-gradient(90deg, rgba(31, 36, 40, 0.05) 1px, transparent 1px),
|
||||
linear-gradient(0deg, rgba(31, 36, 40, 0.05) 1px, transparent 1px),
|
||||
#e5e9ed;
|
||||
background-size: 24px 24px;
|
||||
}
|
||||
|
||||
.empty-state {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
display: grid;
|
||||
place-items: center;
|
||||
padding: 24px;
|
||||
color: var(--text-muted);
|
||||
font-size: 14px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.empty-state[hidden],
|
||||
.page-frame[hidden],
|
||||
.progress-panel[hidden] {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.progress-panel {
|
||||
position: fixed;
|
||||
left: 50%;
|
||||
bottom: calc(var(--bar-height) + 14px);
|
||||
z-index: 20;
|
||||
display: grid;
|
||||
grid-template-columns: auto minmax(0, 1fr);
|
||||
align-items: center;
|
||||
gap: 8px 10px;
|
||||
width: min(420px, calc(100vw - 32px));
|
||||
padding: 10px 12px;
|
||||
border: 1px solid rgba(170, 183, 193, 0.82);
|
||||
background: rgba(251, 252, 253, 0.96);
|
||||
box-shadow: var(--shadow-soft);
|
||||
transform: translateX(-50%);
|
||||
backdrop-filter: blur(8px);
|
||||
}
|
||||
|
||||
.progress-spinner {
|
||||
width: 18px;
|
||||
height: 18px;
|
||||
border: 2px solid #d5dde3;
|
||||
border-top-color: var(--accent);
|
||||
border-radius: 50%;
|
||||
animation: spin 0.8s linear infinite;
|
||||
}
|
||||
|
||||
.progress-label {
|
||||
min-width: 0;
|
||||
overflow: hidden;
|
||||
color: #1f2428;
|
||||
font-size: 13px;
|
||||
text-overflow: ellipsis;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.progress-track {
|
||||
grid-column: 1 / -1;
|
||||
width: 100%;
|
||||
height: 4px;
|
||||
overflow: hidden;
|
||||
background: #dbe2e7;
|
||||
}
|
||||
|
||||
.progress-bar {
|
||||
width: 0;
|
||||
height: 100%;
|
||||
background: var(--accent);
|
||||
transition: width 0.18s ease;
|
||||
}
|
||||
|
||||
@keyframes spin {
|
||||
to {
|
||||
transform: rotate(360deg);
|
||||
}
|
||||
}
|
||||
|
||||
.page-frame {
|
||||
min-width: 100%;
|
||||
min-height: 100%;
|
||||
padding: 34px 28px;
|
||||
}
|
||||
|
||||
.svg-host {
|
||||
display: grid;
|
||||
justify-items: center;
|
||||
gap: 28px;
|
||||
width: max-content;
|
||||
margin: 0 auto;
|
||||
}
|
||||
|
||||
.page-shell {
|
||||
position: relative;
|
||||
overflow: hidden;
|
||||
border: 1px solid rgba(170, 183, 193, 0.55);
|
||||
box-shadow: var(--shadow-page);
|
||||
background: var(--page);
|
||||
}
|
||||
|
||||
.page-shell.error {
|
||||
background: #fff8f7;
|
||||
}
|
||||
|
||||
.page-surface {
|
||||
transform-origin: 0 0;
|
||||
}
|
||||
|
||||
.page-placeholder {
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
display: grid;
|
||||
place-items: center;
|
||||
color: var(--text-muted);
|
||||
font-size: 13px;
|
||||
background:
|
||||
linear-gradient(90deg, rgba(31, 36, 40, 0.04) 1px, transparent 1px),
|
||||
linear-gradient(0deg, rgba(31, 36, 40, 0.04) 1px, transparent 1px),
|
||||
#ffffff;
|
||||
background-size: 18px 18px;
|
||||
}
|
||||
|
||||
.page-shell.rendered .page-placeholder {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.ofd-svg {
|
||||
display: block;
|
||||
max-width: none;
|
||||
transform-origin: 0 0;
|
||||
}
|
||||
|
||||
.meta-list {
|
||||
display: grid;
|
||||
gap: 12px;
|
||||
margin: 0;
|
||||
}
|
||||
|
||||
.meta-list div {
|
||||
display: grid;
|
||||
gap: 3px;
|
||||
}
|
||||
|
||||
.meta-list dt {
|
||||
font-size: 12px;
|
||||
color: var(--text-muted);
|
||||
}
|
||||
|
||||
.meta-list dd {
|
||||
margin: 0;
|
||||
overflow-wrap: anywhere;
|
||||
line-height: 1.35;
|
||||
}
|
||||
|
||||
.font-panel,
|
||||
.doc-font-panel {
|
||||
margin-top: 18px;
|
||||
padding-top: 12px;
|
||||
border-top: 1px solid var(--line);
|
||||
}
|
||||
|
||||
.count-pill {
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
min-width: 28px;
|
||||
height: 26px;
|
||||
padding: 0 7px;
|
||||
border: 1px solid var(--line);
|
||||
background: #ffffff;
|
||||
color: var(--text-muted);
|
||||
font-size: 11px;
|
||||
text-align: center;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.doc-font-list {
|
||||
display: grid;
|
||||
gap: 8px;
|
||||
}
|
||||
|
||||
.doc-font-row {
|
||||
display: grid;
|
||||
gap: 6px;
|
||||
padding: 9px;
|
||||
border: 1px solid var(--line);
|
||||
background: #ffffff;
|
||||
transition: border-color 0.16s ease, background-color 0.16s ease;
|
||||
}
|
||||
|
||||
.page-list-item:not(:disabled):hover,
|
||||
.doc-font-row:hover,
|
||||
.font-row:hover {
|
||||
border-color: var(--line-strong);
|
||||
background: #ffffff;
|
||||
}
|
||||
|
||||
.doc-font-row.missing {
|
||||
border-color: #e2c7c4;
|
||||
background: #fffdfc;
|
||||
}
|
||||
|
||||
.doc-font-row.fallback {
|
||||
border-color: #ded0a6;
|
||||
background: #fffdf7;
|
||||
}
|
||||
|
||||
.doc-font-head {
|
||||
display: grid;
|
||||
grid-template-columns: minmax(0, 1fr) auto;
|
||||
align-items: start;
|
||||
gap: 8px;
|
||||
}
|
||||
|
||||
.doc-font-name {
|
||||
overflow: hidden;
|
||||
color: #1f2428;
|
||||
font-size: 13px;
|
||||
font-weight: 600;
|
||||
text-overflow: ellipsis;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.doc-font-badges {
|
||||
display: flex;
|
||||
flex-wrap: wrap;
|
||||
justify-content: flex-end;
|
||||
gap: 4px;
|
||||
}
|
||||
|
||||
.font-badge {
|
||||
padding: 3px 6px;
|
||||
background: #eef1f4;
|
||||
color: var(--text-muted);
|
||||
font-size: 11px;
|
||||
line-height: 1.35;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.font-badge.embedded,
|
||||
.font-badge.matched {
|
||||
background: #e4f3ef;
|
||||
color: var(--accent-strong);
|
||||
}
|
||||
|
||||
.font-badge.fallback {
|
||||
background: #fbefd3;
|
||||
color: #705719;
|
||||
}
|
||||
|
||||
.font-badge.missing {
|
||||
background: #f9e8e5;
|
||||
color: #803f38;
|
||||
}
|
||||
|
||||
.doc-font-detail {
|
||||
color: var(--text-muted);
|
||||
font-size: 11px;
|
||||
line-height: 1.35;
|
||||
overflow-wrap: anywhere;
|
||||
}
|
||||
|
||||
.font-list {
|
||||
display: grid;
|
||||
gap: 8px;
|
||||
}
|
||||
|
||||
.font-row {
|
||||
display: grid;
|
||||
grid-template-columns: minmax(0, 1fr) auto;
|
||||
align-items: center;
|
||||
gap: 6px;
|
||||
padding: 6px;
|
||||
border: 1px solid var(--line);
|
||||
background: #ffffff;
|
||||
}
|
||||
|
||||
.font-main {
|
||||
display: grid;
|
||||
grid-template-columns: auto minmax(0, 1fr);
|
||||
align-items: center;
|
||||
gap: 7px;
|
||||
min-width: 0;
|
||||
}
|
||||
|
||||
.font-actions {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: flex-end;
|
||||
gap: 5px;
|
||||
min-width: max-content;
|
||||
}
|
||||
|
||||
.font-row input[type="checkbox"] {
|
||||
width: 16px;
|
||||
height: 16px;
|
||||
margin: 0;
|
||||
accent-color: var(--accent);
|
||||
}
|
||||
|
||||
.font-name-input {
|
||||
width: 100%;
|
||||
min-width: 0;
|
||||
height: 26px;
|
||||
padding: 0 6px;
|
||||
border: 1px solid var(--line);
|
||||
background: #ffffff;
|
||||
color: #1f2428;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.font-source {
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
min-width: 32px;
|
||||
height: 20px;
|
||||
padding: 0 6px;
|
||||
border: 1px solid var(--line);
|
||||
background: #f8fafb;
|
||||
color: var(--text-muted);
|
||||
font-size: 11px;
|
||||
text-align: center;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.font-toggle {
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
gap: 3px;
|
||||
height: 26px;
|
||||
color: var(--text-muted);
|
||||
font-size: 11px;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.font-delete {
|
||||
display: inline-grid;
|
||||
place-items: center;
|
||||
width: 26px;
|
||||
height: 26px;
|
||||
padding: 0;
|
||||
color: #7c3333;
|
||||
font-size: 18px;
|
||||
line-height: 1;
|
||||
}
|
||||
|
||||
.font-empty {
|
||||
padding: 10px;
|
||||
border: 1px dashed var(--line-strong);
|
||||
color: var(--text-muted);
|
||||
font-size: 13px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
body[aria-busy="true"] .viewer-panel {
|
||||
cursor: progress;
|
||||
}
|
||||
|
||||
.app-footer {
|
||||
justify-content: space-between;
|
||||
border-top: 1px solid var(--line);
|
||||
color: var(--text-muted);
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.footer-brand {
|
||||
flex: 0 0 var(--sidebar-width);
|
||||
font-weight: 400;
|
||||
color: var(--accent-strong);
|
||||
text-decoration: none;
|
||||
}
|
||||
|
||||
.status-text {
|
||||
flex: 1 1 auto;
|
||||
min-width: 0;
|
||||
overflow: hidden;
|
||||
color: var(--text-muted);
|
||||
line-height: 1.35;
|
||||
text-align: center;
|
||||
text-overflow: ellipsis;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.footer-links {
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
gap: 12px;
|
||||
flex: 0 0 var(--sidebar-width);
|
||||
justify-content: flex-end;
|
||||
min-width: 0;
|
||||
}
|
||||
|
||||
.app-footer a {
|
||||
color: var(--accent-strong);
|
||||
font-weight: 400;
|
||||
text-decoration: none;
|
||||
}
|
||||
|
||||
.app-footer a:hover {
|
||||
text-decoration: underline;
|
||||
}
|
||||
|
||||
@media (max-width: 900px) {
|
||||
:root {
|
||||
--sidebar-width: min(78vw, 292px);
|
||||
}
|
||||
|
||||
.toolbar {
|
||||
flex-wrap: nowrap;
|
||||
overflow-x: auto;
|
||||
gap: 6px;
|
||||
}
|
||||
|
||||
.toolbar > * {
|
||||
flex: 0 0 auto;
|
||||
}
|
||||
|
||||
.toolbar-space {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.app-footer {
|
||||
flex-wrap: nowrap;
|
||||
}
|
||||
|
||||
.footer-brand,
|
||||
.footer-links {
|
||||
flex: 0 1 auto;
|
||||
}
|
||||
|
||||
.status-text {
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.workspace {
|
||||
position: relative;
|
||||
grid-template-columns: minmax(0, 1fr);
|
||||
}
|
||||
|
||||
body[data-hide-pages] .workspace,
|
||||
body[data-hide-meta] .workspace,
|
||||
body[data-hide-pages][data-hide-meta] .workspace {
|
||||
grid-template-columns: minmax(0, 1fr);
|
||||
}
|
||||
|
||||
.page-list-panel,
|
||||
.meta-panel {
|
||||
position: absolute;
|
||||
top: 0;
|
||||
bottom: 0;
|
||||
z-index: 8;
|
||||
width: var(--sidebar-width);
|
||||
box-shadow: 0 16px 32px rgba(31, 36, 40, 0.18);
|
||||
transition: transform 0.18s ease;
|
||||
}
|
||||
|
||||
body[data-hide-pages] .page-list-panel,
|
||||
body[data-hide-meta] .meta-panel {
|
||||
display: block;
|
||||
}
|
||||
|
||||
.page-list-panel {
|
||||
left: 0;
|
||||
}
|
||||
|
||||
.meta-panel {
|
||||
right: 0;
|
||||
}
|
||||
|
||||
body[data-hide-pages] .page-list-panel {
|
||||
transform: translateX(-100%);
|
||||
pointer-events: none;
|
||||
}
|
||||
|
||||
body[data-hide-meta] .meta-panel {
|
||||
transform: translateX(100%);
|
||||
pointer-events: none;
|
||||
}
|
||||
}
|
||||
|
||||
@media (max-width: 640px) {
|
||||
:root {
|
||||
--bar-height: 42px;
|
||||
--control-height: 28px;
|
||||
--bar-pad: 5px 8px;
|
||||
}
|
||||
|
||||
.workspace {
|
||||
grid-template-columns: 1fr;
|
||||
}
|
||||
|
||||
.toolbar {
|
||||
height: var(--bar-height);
|
||||
min-height: var(--bar-height);
|
||||
flex-wrap: nowrap;
|
||||
align-content: center;
|
||||
overflow-x: auto;
|
||||
overflow-y: hidden;
|
||||
row-gap: 0;
|
||||
}
|
||||
|
||||
.divider {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.toolbar-space {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.button {
|
||||
padding: 0 7px;
|
||||
}
|
||||
|
||||
.button[data-short] {
|
||||
min-width: var(--control-height);
|
||||
font-size: 0;
|
||||
}
|
||||
|
||||
.button[data-short]::after {
|
||||
content: attr(data-short);
|
||||
font-size: 12px;
|
||||
font-weight: 500;
|
||||
}
|
||||
|
||||
.button.primary[data-short] {
|
||||
min-width: 42px;
|
||||
}
|
||||
|
||||
.icon-button {
|
||||
font-size: 13px;
|
||||
}
|
||||
|
||||
.page-control {
|
||||
gap: 4px;
|
||||
padding: 0 6px;
|
||||
}
|
||||
|
||||
.page-control input {
|
||||
width: 38px;
|
||||
}
|
||||
|
||||
.page-frame {
|
||||
padding: 22px 14px;
|
||||
}
|
||||
|
||||
.zoom-label {
|
||||
min-width: 34px;
|
||||
}
|
||||
|
||||
#exportButton {
|
||||
padding-inline: 8px;
|
||||
}
|
||||
|
||||
.footer-links {
|
||||
justify-content: flex-end;
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,575 @@
|
||||
// Copyright 2018 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
"use strict";
|
||||
|
||||
(() => {
|
||||
const enosys = () => {
|
||||
const err = new Error("not implemented");
|
||||
err.code = "ENOSYS";
|
||||
return err;
|
||||
};
|
||||
|
||||
if (!globalThis.fs) {
|
||||
let outputBuf = "";
|
||||
globalThis.fs = {
|
||||
constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1, O_DIRECTORY: -1 }, // unused
|
||||
writeSync(fd, buf) {
|
||||
outputBuf += decoder.decode(buf);
|
||||
const nl = outputBuf.lastIndexOf("\n");
|
||||
if (nl != -1) {
|
||||
console.log(outputBuf.substring(0, nl));
|
||||
outputBuf = outputBuf.substring(nl + 1);
|
||||
}
|
||||
return buf.length;
|
||||
},
|
||||
write(fd, buf, offset, length, position, callback) {
|
||||
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||
callback(enosys());
|
||||
return;
|
||||
}
|
||||
const n = this.writeSync(fd, buf);
|
||||
callback(null, n);
|
||||
},
|
||||
chmod(path, mode, callback) { callback(enosys()); },
|
||||
chown(path, uid, gid, callback) { callback(enosys()); },
|
||||
close(fd, callback) { callback(enosys()); },
|
||||
fchmod(fd, mode, callback) { callback(enosys()); },
|
||||
fchown(fd, uid, gid, callback) { callback(enosys()); },
|
||||
fstat(fd, callback) { callback(enosys()); },
|
||||
fsync(fd, callback) { callback(null); },
|
||||
ftruncate(fd, length, callback) { callback(enosys()); },
|
||||
lchown(path, uid, gid, callback) { callback(enosys()); },
|
||||
link(path, link, callback) { callback(enosys()); },
|
||||
lstat(path, callback) { callback(enosys()); },
|
||||
mkdir(path, perm, callback) { callback(enosys()); },
|
||||
open(path, flags, mode, callback) { callback(enosys()); },
|
||||
read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
|
||||
readdir(path, callback) { callback(enosys()); },
|
||||
readlink(path, callback) { callback(enosys()); },
|
||||
rename(from, to, callback) { callback(enosys()); },
|
||||
rmdir(path, callback) { callback(enosys()); },
|
||||
stat(path, callback) { callback(enosys()); },
|
||||
symlink(path, link, callback) { callback(enosys()); },
|
||||
truncate(path, length, callback) { callback(enosys()); },
|
||||
unlink(path, callback) { callback(enosys()); },
|
||||
utimes(path, atime, mtime, callback) { callback(enosys()); },
|
||||
};
|
||||
}
|
||||
|
||||
if (!globalThis.process) {
|
||||
globalThis.process = {
|
||||
getuid() { return -1; },
|
||||
getgid() { return -1; },
|
||||
geteuid() { return -1; },
|
||||
getegid() { return -1; },
|
||||
getgroups() { throw enosys(); },
|
||||
pid: -1,
|
||||
ppid: -1,
|
||||
umask() { throw enosys(); },
|
||||
cwd() { throw enosys(); },
|
||||
chdir() { throw enosys(); },
|
||||
}
|
||||
}
|
||||
|
||||
if (!globalThis.path) {
|
||||
globalThis.path = {
|
||||
resolve(...pathSegments) {
|
||||
return pathSegments.join("/");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!globalThis.crypto) {
|
||||
throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
|
||||
}
|
||||
|
||||
if (!globalThis.performance) {
|
||||
throw new Error("globalThis.performance is not available, polyfill required (performance.now only)");
|
||||
}
|
||||
|
||||
if (!globalThis.TextEncoder) {
|
||||
throw new Error("globalThis.TextEncoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
if (!globalThis.TextDecoder) {
|
||||
throw new Error("globalThis.TextDecoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
const encoder = new TextEncoder("utf-8");
|
||||
const decoder = new TextDecoder("utf-8");
|
||||
|
||||
globalThis.Go = class {
|
||||
constructor() {
|
||||
this.argv = ["js"];
|
||||
this.env = {};
|
||||
this.exit = (code) => {
|
||||
if (code !== 0) {
|
||||
console.warn("exit code:", code);
|
||||
}
|
||||
};
|
||||
this._exitPromise = new Promise((resolve) => {
|
||||
this._resolveExitPromise = resolve;
|
||||
});
|
||||
this._pendingEvent = null;
|
||||
this._scheduledTimeouts = new Map();
|
||||
this._nextCallbackTimeoutID = 1;
|
||||
|
||||
const setInt64 = (addr, v) => {
|
||||
this.mem.setUint32(addr + 0, v, true);
|
||||
this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
|
||||
}
|
||||
|
||||
const setInt32 = (addr, v) => {
|
||||
this.mem.setUint32(addr + 0, v, true);
|
||||
}
|
||||
|
||||
const getInt64 = (addr) => {
|
||||
const low = this.mem.getUint32(addr + 0, true);
|
||||
const high = this.mem.getInt32(addr + 4, true);
|
||||
return low + high * 4294967296;
|
||||
}
|
||||
|
||||
const loadValue = (addr) => {
|
||||
const f = this.mem.getFloat64(addr, true);
|
||||
if (f === 0) {
|
||||
return undefined;
|
||||
}
|
||||
if (!isNaN(f)) {
|
||||
return f;
|
||||
}
|
||||
|
||||
const id = this.mem.getUint32(addr, true);
|
||||
return this._values[id];
|
||||
}
|
||||
|
||||
const storeValue = (addr, v) => {
|
||||
const nanHead = 0x7FF80000;
|
||||
|
||||
if (typeof v === "number" && v !== 0) {
|
||||
if (isNaN(v)) {
|
||||
this.mem.setUint32(addr + 4, nanHead, true);
|
||||
this.mem.setUint32(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
this.mem.setFloat64(addr, v, true);
|
||||
return;
|
||||
}
|
||||
|
||||
if (v === undefined) {
|
||||
this.mem.setFloat64(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
|
||||
let id = this._ids.get(v);
|
||||
if (id === undefined) {
|
||||
id = this._idPool.pop();
|
||||
if (id === undefined) {
|
||||
id = this._values.length;
|
||||
}
|
||||
this._values[id] = v;
|
||||
this._goRefCounts[id] = 0;
|
||||
this._ids.set(v, id);
|
||||
}
|
||||
this._goRefCounts[id]++;
|
||||
let typeFlag = 0;
|
||||
switch (typeof v) {
|
||||
case "object":
|
||||
if (v !== null) {
|
||||
typeFlag = 1;
|
||||
}
|
||||
break;
|
||||
case "string":
|
||||
typeFlag = 2;
|
||||
break;
|
||||
case "symbol":
|
||||
typeFlag = 3;
|
||||
break;
|
||||
case "function":
|
||||
typeFlag = 4;
|
||||
break;
|
||||
}
|
||||
this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
|
||||
this.mem.setUint32(addr, id, true);
|
||||
}
|
||||
|
||||
const loadSlice = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return new Uint8Array(this._inst.exports.mem.buffer, array, len);
|
||||
}
|
||||
|
||||
const loadSliceOfValues = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
const a = new Array(len);
|
||||
for (let i = 0; i < len; i++) {
|
||||
a[i] = loadValue(array + i * 8);
|
||||
}
|
||||
return a;
|
||||
}
|
||||
|
||||
const loadString = (addr) => {
|
||||
const saddr = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
|
||||
}
|
||||
|
||||
const testCallExport = (a, b) => {
|
||||
this._inst.exports.testExport0();
|
||||
return this._inst.exports.testExport(a, b);
|
||||
}
|
||||
|
||||
const timeOrigin = Date.now() - performance.now();
|
||||
this.importObject = {
|
||||
_gotest: {
|
||||
add: (a, b) => a + b,
|
||||
callExport: testCallExport,
|
||||
},
|
||||
gojs: {
|
||||
// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
|
||||
// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
|
||||
// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
|
||||
// This changes the SP, thus we have to update the SP used by the imported function.
|
||||
|
||||
// func wasmExit(code int32)
|
||||
"runtime.wasmExit": (sp) => {
|
||||
sp >>>= 0;
|
||||
const code = this.mem.getInt32(sp + 8, true);
|
||||
this.exited = true;
|
||||
delete this._inst;
|
||||
delete this._values;
|
||||
delete this._goRefCounts;
|
||||
delete this._ids;
|
||||
delete this._idPool;
|
||||
this.exit(code);
|
||||
},
|
||||
|
||||
// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
|
||||
"runtime.wasmWrite": (sp) => {
|
||||
sp >>>= 0;
|
||||
const fd = getInt64(sp + 8);
|
||||
const p = getInt64(sp + 16);
|
||||
const n = this.mem.getInt32(sp + 24, true);
|
||||
fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
|
||||
},
|
||||
|
||||
// func resetMemoryDataView()
|
||||
"runtime.resetMemoryDataView": (sp) => {
|
||||
sp >>>= 0;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
},
|
||||
|
||||
// func nanotime1() int64
|
||||
"runtime.nanotime1": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
|
||||
},
|
||||
|
||||
// func walltime() (sec int64, nsec int32)
|
||||
"runtime.walltime": (sp) => {
|
||||
sp >>>= 0;
|
||||
const msec = (new Date).getTime();
|
||||
setInt64(sp + 8, msec / 1000);
|
||||
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
|
||||
},
|
||||
|
||||
// func scheduleTimeoutEvent(delay int64) int32
|
||||
"runtime.scheduleTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this._nextCallbackTimeoutID;
|
||||
this._nextCallbackTimeoutID++;
|
||||
this._scheduledTimeouts.set(id, setTimeout(
|
||||
() => {
|
||||
this._resume();
|
||||
while (this._scheduledTimeouts.has(id)) {
|
||||
// for some reason Go failed to register the timeout event, log and try again
|
||||
// (temporary workaround for https://github.com/golang/go/issues/28975)
|
||||
console.warn("scheduleTimeoutEvent: missed timeout event");
|
||||
this._resume();
|
||||
}
|
||||
},
|
||||
getInt64(sp + 8),
|
||||
));
|
||||
this.mem.setInt32(sp + 16, id, true);
|
||||
},
|
||||
|
||||
// func clearTimeoutEvent(id int32)
|
||||
"runtime.clearTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getInt32(sp + 8, true);
|
||||
clearTimeout(this._scheduledTimeouts.get(id));
|
||||
this._scheduledTimeouts.delete(id);
|
||||
},
|
||||
|
||||
// func getRandomData(r []byte)
|
||||
"runtime.getRandomData": (sp) => {
|
||||
sp >>>= 0;
|
||||
crypto.getRandomValues(loadSlice(sp + 8));
|
||||
},
|
||||
|
||||
// func finalizeRef(v ref)
|
||||
"syscall/js.finalizeRef": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getUint32(sp + 8, true);
|
||||
this._goRefCounts[id]--;
|
||||
if (this._goRefCounts[id] === 0) {
|
||||
const v = this._values[id];
|
||||
this._values[id] = null;
|
||||
this._ids.delete(v);
|
||||
this._idPool.push(id);
|
||||
}
|
||||
},
|
||||
|
||||
// func stringVal(value string) ref
|
||||
"syscall/js.stringVal": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, loadString(sp + 8));
|
||||
},
|
||||
|
||||
// func valueGet(v ref, p string) ref
|
||||
"syscall/js.valueGet": (sp) => {
|
||||
sp >>>= 0;
|
||||
const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 32, result);
|
||||
},
|
||||
|
||||
// func valueSet(v ref, p string, x ref)
|
||||
"syscall/js.valueSet": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
|
||||
},
|
||||
|
||||
// func valueDelete(v ref, p string)
|
||||
"syscall/js.valueDelete": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
|
||||
},
|
||||
|
||||
// func valueIndex(v ref, i int) ref
|
||||
"syscall/js.valueIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
|
||||
},
|
||||
|
||||
// valueSetIndex(v ref, i int, x ref)
|
||||
"syscall/js.valueSetIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
|
||||
},
|
||||
|
||||
// func valueCall(v ref, m string, args []ref) (ref, bool)
|
||||
"syscall/js.valueCall": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const m = Reflect.get(v, loadString(sp + 16));
|
||||
const args = loadSliceOfValues(sp + 32);
|
||||
const result = Reflect.apply(m, v, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 56, result);
|
||||
this.mem.setUint8(sp + 64, 1);
|
||||
} catch (err) {
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 56, err);
|
||||
this.mem.setUint8(sp + 64, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueInvoke(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueInvoke": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.apply(v, undefined, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueNew(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueNew": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.construct(v, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueLength(v ref) int
|
||||
"syscall/js.valueLength": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
|
||||
},
|
||||
|
||||
// valuePrepareString(v ref) (ref, int)
|
||||
"syscall/js.valuePrepareString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = encoder.encode(String(loadValue(sp + 8)));
|
||||
storeValue(sp + 16, str);
|
||||
setInt64(sp + 24, str.length);
|
||||
},
|
||||
|
||||
// valueLoadString(v ref, b []byte)
|
||||
"syscall/js.valueLoadString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = loadValue(sp + 8);
|
||||
loadSlice(sp + 16).set(str);
|
||||
},
|
||||
|
||||
// func valueInstanceOf(v ref, t ref) bool
|
||||
"syscall/js.valueInstanceOf": (sp) => {
|
||||
sp >>>= 0;
|
||||
this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
|
||||
},
|
||||
|
||||
// func copyBytesToGo(dst []byte, src ref) (int, bool)
|
||||
"syscall/js.copyBytesToGo": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadSlice(sp + 8);
|
||||
const src = loadValue(sp + 32);
|
||||
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
// func copyBytesToJS(dst ref, src []byte) (int, bool)
|
||||
"syscall/js.copyBytesToJS": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadValue(sp + 8);
|
||||
const src = loadSlice(sp + 16);
|
||||
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
"debug": (value) => {
|
||||
console.log(value);
|
||||
},
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
async run(instance) {
|
||||
if (!(instance instanceof WebAssembly.Instance)) {
|
||||
throw new Error("Go.run: WebAssembly.Instance expected");
|
||||
}
|
||||
this._inst = instance;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
this._values = [ // JS values that Go currently has references to, indexed by reference id
|
||||
NaN,
|
||||
0,
|
||||
null,
|
||||
true,
|
||||
false,
|
||||
globalThis,
|
||||
this,
|
||||
];
|
||||
this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
|
||||
this._ids = new Map([ // mapping from JS values to reference ids
|
||||
[0, 1],
|
||||
[null, 2],
|
||||
[true, 3],
|
||||
[false, 4],
|
||||
[globalThis, 5],
|
||||
[this, 6],
|
||||
]);
|
||||
this._idPool = []; // unused ids that have been garbage collected
|
||||
this.exited = false; // whether the Go program has exited
|
||||
|
||||
// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
|
||||
let offset = 4096;
|
||||
|
||||
const strPtr = (str) => {
|
||||
const ptr = offset;
|
||||
const bytes = encoder.encode(str + "\0");
|
||||
new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
|
||||
offset += bytes.length;
|
||||
if (offset % 8 !== 0) {
|
||||
offset += 8 - (offset % 8);
|
||||
}
|
||||
return ptr;
|
||||
};
|
||||
|
||||
const argc = this.argv.length;
|
||||
|
||||
const argvPtrs = [];
|
||||
this.argv.forEach((arg) => {
|
||||
argvPtrs.push(strPtr(arg));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const keys = Object.keys(this.env).sort();
|
||||
keys.forEach((key) => {
|
||||
argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const argv = offset;
|
||||
argvPtrs.forEach((ptr) => {
|
||||
this.mem.setUint32(offset, ptr, true);
|
||||
this.mem.setUint32(offset + 4, 0, true);
|
||||
offset += 8;
|
||||
});
|
||||
|
||||
// The linker guarantees global data starts from at least wasmMinDataAddr.
|
||||
// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
|
||||
const wasmMinDataAddr = 4096 + 8192;
|
||||
if (offset >= wasmMinDataAddr) {
|
||||
throw new Error("total length of command line and environment variables exceeds limit");
|
||||
}
|
||||
|
||||
this._inst.exports.run(argc, argv);
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
await this._exitPromise;
|
||||
}
|
||||
|
||||
_resume() {
|
||||
if (this.exited) {
|
||||
throw new Error("Go program has already exited");
|
||||
}
|
||||
this._inst.exports.resume();
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
}
|
||||
|
||||
_makeFuncWrapper(id) {
|
||||
const go = this;
|
||||
return function () {
|
||||
const event = { id: id, this: this, args: arguments };
|
||||
go._pendingEvent = event;
|
||||
go._resume();
|
||||
return event.result;
|
||||
};
|
||||
}
|
||||
}
|
||||
})();
|
||||
Reference in New Issue
Block a user