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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="Content-Security-Policy"
content="default-src 'none'; script-src 'unsafe-inline'; style-src 'unsafe-inline'; img-src data:">
<title>HTML Table Builder — Outlook-safe tables for Power Automate</title>
<style>
/* ============================================================
DRAFTING ROOM — dark chrome, amber accent, blueprint grid
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #0f172a;
--surface: #1e293b;
--raised: #334155;
--line: #2c3a50;
--text: #f8fafc;
--text-2: #94a3b8;
--text-3: #64748b;
--amber: #f59e0b;
--amber-soft: rgba(245,158,11,0.14);
--blue: #3b82f6;
--blue-soft: rgba(59,130,246,0.14);
--cyan: #06b6d4;
--green: #10b981;
--red: #ef4444;
--mono: 'Cascadia Code', 'Cascadia Mono', Consolas, 'Courier New', monospace;
--sans: 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, sans-serif;
--r-sm: 6px;
--r-md: 10px;
--r-lg: 14px;
}
body {
font-family: var(--sans);
background-color: var(--bg);
background-image:
linear-gradient(rgba(59,130,246,0.045) 1px, transparent 1px),
linear-gradient(90deg, rgba(59,130,246,0.045) 1px, transparent 1px);
background-size: 28px 28px;
color: var(--text);
min-height: 100vh;
font-size: 15px;
line-height: 1.5;
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
transition-duration: 0.01ms !important;
}
}
/* ===== HEADER ===== */
.app-header {
display: flex;
align-items: center;
gap: 16px;
padding: 18px 28px;
border-bottom: 1px solid var(--line);
background: rgba(15,23,42,0.85);
flex-wrap: wrap;
}
.brand-mark {
width: 40px; height: 40px;
border: 2px solid var(--amber);
border-radius: var(--r-sm);
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-rows: 12px 1fr 1fr;
overflow: hidden;
flex-shrink: 0;
}
.brand-mark span { border: 1px solid rgba(245,158,11,0.55); }
.brand-mark span:nth-child(-n+3) { background: var(--amber); }
.app-header h1 {
font-size: 21px;
font-weight: 700;
letter-spacing: -0.01em;
}
.app-header h1 em {
font-style: normal;
color: var(--amber);
}
.tagline {
color: var(--text-2);
font-size: 13px;
border-left: 1px solid var(--line);
padding-left: 16px;
}
.header-actions { margin-left: auto; display: flex; gap: 8px; }
/* ===== BUTTONS ===== */
button {
font-family: var(--sans);
font-size: 13px;
font-weight: 600;
cursor: pointer;
border: none;
border-radius: var(--r-sm);
transition: filter 150ms ease, background-color 150ms ease;
}
button:hover { filter: brightness(1.15); }
button:active { filter: brightness(0.92); }
.btn-ghost {
background: transparent;
color: var(--text-2);
border: 1px solid var(--raised);
padding: 7px 14px;
min-height: 34px;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-3); }
.btn-amber {
background: var(--amber);
color: #1c1303;
padding: 7px 16px;
min-height: 34px;
}
.btn-danger-ghost {
background: transparent;
color: var(--text-3);
border: 1px solid transparent;
padding: 4px 8px;
}
.btn-danger-ghost:hover { color: var(--red); }
/* ===== LAYOUT ===== */
.workspace {
display: grid;
grid-template-columns: 400px minmax(0, 1fr);
gap: 20px;
padding: 20px 28px 40px;
align-items: start;
}
@media (max-width: 1080px) {
.workspace { grid-template-columns: 1fr; }
}
/* ===== PANELS ===== */
.panel {
background: var(--surface);
border: 1px solid var(--line);
border-radius: var(--r-lg);
overflow: hidden;
}
.tab-strip {
display: flex;
border-bottom: 1px solid var(--line);
background: rgba(15,23,42,0.4);
}
.tab-strip button {
flex: 1;
background: transparent;
color: var(--text-2);
padding: 12px 6px;
font-size: 12px;
font-weight: 600;
letter-spacing: 0.07em;
text-transform: uppercase;
border-bottom: 2px solid transparent;
border-radius: 0;
min-height: 42px;
}
.tab-strip button[aria-selected="true"] {
color: var(--amber);
border-bottom-color: var(--amber);
background: var(--amber-soft);
}
.tab-body { padding: 18px; display: none; }
.tab-body.active { display: block; }
/* ===== FORM CONTROLS ===== */
label.field-label, .field-label {
display: block;
font-size: 11px;
font-weight: 600;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--text-2);
margin-bottom: 5px;
}
input[type="text"], input[type="number"], select, textarea {
font-family: var(--sans);
width: 100%;
background: var(--bg);
border: 1px solid var(--raised);
border-radius: var(--r-sm);
color: var(--text);
font-size: 14px;
padding: 7px 10px;
min-height: 36px;
}
input[type="text"]:focus-visible, select:focus-visible, textarea:focus-visible, input[type="number"]:focus-visible {
outline: 2px solid var(--blue);
outline-offset: 0;
border-color: var(--blue);
}
input.code, textarea.code { font-family: var(--mono); font-size: 13px; }
input[type="color"] {
width: 36px; height: 36px;
padding: 2px;
border: 1px solid var(--raised);
border-radius: var(--r-sm);
background: var(--bg);
cursor: pointer;
flex-shrink: 0;
}
.ctl-row { display: flex; gap: 10px; margin-bottom: 14px; align-items: flex-end; }
.ctl-row > div { flex: 1; min-width: 0; }
.ctl-row > div.narrow { flex: 0 0 auto; }
.check-row {
display: flex;
align-items: center;
gap: 8px;
font-size: 13.5px;
color: var(--text);
margin-bottom: 10px;
cursor: pointer;
user-select: none;
}
.check-row input[type="checkbox"] {
width: 17px; height: 17px;
accent-color: var(--amber);
cursor: pointer;
}
.subhead {
font-size: 11px;
font-weight: 700;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--amber);
margin: 20px 0 10px;
padding-bottom: 5px;
border-bottom: 1px dashed var(--line);
}
.subhead:first-child { margin-top: 0; }
/* ===== COLUMN CARDS ===== */
.col-card {
background: var(--bg);
border: 1px solid var(--raised);
border-left: 3px solid var(--blue);
border-radius: var(--r-md);
padding: 12px;
margin-bottom: 10px;
}
.col-card-head {
display: flex;
align-items: center;
gap: 6px;
margin-bottom: 10px;
}
.col-card-head .col-num {
font-family: var(--mono);
font-size: 11px;
color: var(--bg);
background: var(--blue);
border-radius: 4px;
padding: 2px 7px;
font-weight: 700;
}
.col-card-head .spacer { flex: 1; }
.icon-btn {
background: transparent;
border: 1px solid var(--raised);
color: var(--text-2);
width: 28px; height: 28px;
border-radius: var(--r-sm);
font-size: 13px;
line-height: 1;
display: inline-flex;
align-items: center;
justify-content: center;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-3); }
.icon-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.col-grid .full { grid-column: 1 / -1; }
.col-grid label { font-size: 10px; }
.col-grid input, .col-grid select { min-height: 32px; font-size: 13px; padding: 5px 8px; }
.col-style-row { display: flex; gap: 8px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.col-style-row .check-row { margin-bottom: 0; font-size: 12.5px; }
.add-col-btn {
width: 100%;
background: transparent;
border: 1px dashed var(--raised);
color: var(--text-2);
padding: 11px;
font-size: 13.5px;
border-radius: var(--r-md);
}
.add-col-btn:hover { color: var(--amber); border-color: var(--amber); background: var(--amber-soft); }
/* ===== THEME SWATCHES ===== */
.theme-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.theme-swatch {
background: var(--bg);
border: 1px solid var(--raised);
border-radius: var(--r-md);
padding: 8px;
text-align: left;
color: var(--text-2);
font-size: 12px;
font-weight: 600;
display: flex;
align-items: center;
gap: 8px;
min-height: 40px;
}
.theme-swatch:hover { border-color: var(--text-3); color: var(--text); }
.theme-swatch.active { border-color: var(--amber); color: var(--text); background: var(--amber-soft); }
.swatch-chip {
width: 30px; height: 22px;
border-radius: 4px;
flex-shrink: 0;
display: flex;
flex-direction: column;
overflow: hidden;
border: 1px solid rgba(255,255,255,0.18);
}
.swatch-chip i { flex: 1; display: block; }
/* ===== SAMPLE DATA GRID ===== */
.data-grid { display: grid; gap: 6px; margin-bottom: 12px; }
.data-grid-row { display: grid; gap: 6px; align-items: center; }
.data-grid-row input { min-height: 32px; font-size: 13px; padding: 5px 8px; }
.data-grid-row .col-head-label {
font-size: 10px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.06em;
color: var(--text-2);
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/* ===== HINTS / NOTES ===== */
.hint {
font-size: 12.5px;
color: var(--text-2);
background: var(--blue-soft);
border: 1px solid rgba(59,130,246,0.3);
border-radius: var(--r-md);
padding: 10px 12px;
margin: 10px 0;
}
.hint strong { color: var(--text); }
.hint code { font-family: var(--mono); font-size: 11.5px; color: var(--cyan); }
.hint.amber { background: var(--amber-soft); border-color: rgba(245,158,11,0.35); }
.hint.amber code { color: var(--amber); }
/* ===== PREVIEW (email canvas) ===== */
.preview-panel { margin-bottom: 20px; }
.email-chrome {
background: #f3f2f1;
border-radius: var(--r-md);
margin: 18px;
overflow: hidden;
border: 1px solid #d2d0ce;
box-shadow: 0 12px 36px rgba(0,0,0,0.45);
}
.email-toolbar {
background: #ffffff;
border-bottom: 1px solid #edebe9;
padding: 10px 16px;
display: flex;
align-items: center;
gap: 10px;
}
.email-toolbar .env-icon {
width: 26px; height: 26px;
background: #0f6cbd;
border-radius: 5px;
position: relative;
flex-shrink: 0;
}
.email-toolbar .env-icon::after {
content: '';
position: absolute;
inset: 7px 5px;
border: 1.5px solid #fff;
border-radius: 1px;
background: linear-gradient(to bottom right, transparent 44%, #fff 45%, #fff 55%, transparent 56%) top / 100% 60% no-repeat;
}
.email-meta { font-size: 12px; color: #605e5c; line-height: 1.35; min-width: 0; }
.email-meta b { color: #242424; font-size: 13px; display: block; }
.email-body {
background: #ffffff;
padding: 24px;
overflow-x: auto;
min-height: 180px;
}
.panel-caption {
display: flex;
align-items: center;
gap: 10px;
padding: 14px 18px 0;
}
.panel-caption h2 {
font-size: 13px;
font-weight: 700;
letter-spacing: 0.09em;
text-transform: uppercase;
color: var(--text-2);
}
.panel-caption .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.panel-caption .spacer { flex: 1; }
.row-count-note { font-size: 12px; color: var(--text-3); }
/* ===== OUTPUT ===== */
.out-step {
border: 1px solid var(--line);
border-radius: var(--r-md);
margin-bottom: 14px;
overflow: hidden;
background: var(--bg);
}
.out-step-head {
display: flex;
align-items: center;
gap: 10px;
padding: 10px 14px;
background: rgba(51,65,85,0.35);
border-bottom: 1px solid var(--line);
flex-wrap: wrap;
}
.step-badge {
font-family: var(--mono);
background: var(--amber);
color: #1c1303;
font-weight: 700;
font-size: 12px;
border-radius: 4px;
padding: 2px 8px;
flex-shrink: 0;
}
.out-step-head h3 { font-size: 13.5px; font-weight: 600; }
.out-step-head .where { font-size: 12px; color: var(--text-2); }
.out-step-head .spacer { flex: 1; }
.copy-btn {
background: var(--raised);
color: var(--text);
padding: 6px 14px;
font-size: 12px;
min-height: 30px;
display: inline-flex;
align-items: center;
gap: 6px;
}
.copy-btn.copied { background: var(--green); color: #042f1f; }
.out-code {
font-family: var(--mono);
font-size: 12px;
line-height: 1.55;
color: #c9d6e8;
padding: 12px 14px;
white-space: pre-wrap;
word-break: break-all;
max-height: 260px;
overflow: auto;
margin: 0;
}
.out-tip { font-size: 12.5px; color: var(--text-2); padding: 0 14px 12px; }
.out-tip code { font-family: var(--mono); font-size: 11.5px; color: var(--cyan); }
footer {
text-align: center;
color: var(--text-3);
font-size: 12px;
padding: 0 28px 28px;
}
.sr-only {
position: absolute; width: 1px; height: 1px;
padding: 0; margin: -1px; overflow: hidden;
clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
</style>
</head>
<body>
<header class="app-header">
<div class="brand-mark" aria-hidden="true">
<span></span><span></span><span></span>
<span></span><span></span><span></span>
<span></span><span></span><span></span>
</div>
<h1>HTML <em>Table</em> Builder</h1>
<p class="tagline">Design Outlook-safe tables for the Power Automate <strong>Send an email</strong> action</p>
<div class="header-actions">
<button class="btn-ghost" id="btnImport" type="button">Import design</button>
<button class="btn-ghost" id="btnExport" type="button">Export design</button>
<button class="btn-ghost" id="btnReset" type="button">Reset</button>
<input type="file" id="importFile" accept=".json,application/json" class="sr-only" aria-hidden="true" tabindex="-1">
</div>
</header>
<main class="workspace">
<!-- ================= LEFT: DESIGNER ================= -->
<div class="panel" id="designerPanel">
<div class="tab-strip" role="tablist" aria-label="Designer sections">
<button role="tab" aria-selected="true" data-tab="tabData" id="tabBtnData" type="button">Sample Data</button>
<button role="tab" aria-selected="false" data-tab="tabColumns" id="tabBtnColumns" type="button">Columns</button>
<button role="tab" aria-selected="false" data-tab="tabStyle" id="tabBtnStyle" type="button">Style</button>
</div>
<div class="tab-body" id="tabColumns" role="tabpanel" aria-labelledby="tabBtnColumns">
<div id="columnList"></div>
<button class="add-col-btn" id="btnAddColumn" type="button">＋ Add column</button>
</div>
<div class="tab-body" id="tabStyle" role="tabpanel" aria-labelledby="tabBtnStyle">
<p class="subhead">Theme presets</p>
<div class="theme-grid" id="themeGrid"></div>
<p class="subhead">Table</p>
<div class="ctl-row">
<div>
<label class="field-label" for="stTableWidth">Width</label>
<select id="stTableWidth">
<option value="100%">100% (fluid)</option>
<option value="480">480 px</option>
<option value="560">560 px</option>
<option value="640">640 px</option>
<option value="720">720 px</option>
</select>
</div>
<div>
<label class="field-label" for="stFont">Font</label>
<select id="stFont">
<option value="Segoe UI, Arial, sans-serif">Segoe UI</option>
<option value="Calibri, Arial, sans-serif">Calibri</option>
<option value="Arial, Helvetica, sans-serif">Arial</option>
<option value="Verdana, Geneva, sans-serif">Verdana</option>
<option value="Tahoma, Geneva, sans-serif">Tahoma</option>
<option value="Georgia, 'Times New Roman', serif">Georgia</option>
</select>
</div>
<div class="narrow" style="flex-basis:84px;">
<label class="field-label" for="stFontSize">Size px</label>
<input type="number" id="stFontSize" min="10" max="22" value="14">
</div>
</div>
<div class="ctl-row">
<div class="narrow"><label class="field-label" for="stTextColor">Text</label><input type="color" id="stTextColor"></div>
<div class="narrow"><label class="field-label" for="stRowBg">Row bg</label><input type="color" id="stRowBg"></div>
<div>
<label class="check-row" style="margin-bottom:6px;"><input type="checkbox" id="stAccentBar"> Accent bar on top</label>
<div style="display:flex;align-items:center;gap:8px;">
<input type="color" id="stAccentColor" aria-label="Accent bar color">
<span style="font-size:12px;color:var(--text-3);">4 px top border</span>
</div>
</div>
</div>
<p class="subhead">Header row</p>
<div class="ctl-row">
<div class="narrow"><label class="field-label" for="stHeaderBg">Bg</label><input type="color" id="stHeaderBg"></div>
<div class="narrow"><label class="field-label" for="stHeaderColor">Text</label><input type="color" id="stHeaderColor"></div>
<div class="narrow" style="flex-basis:84px;">
<label class="field-label" for="stHeaderSize">Size px</label>
<input type="number" id="stHeaderSize" min="10" max="22" value="13">
</div>
<div>
<label class="check-row"><input type="checkbox" id="stHeaderBold" checked> Bold</label>
<label class="check-row" style="margin-bottom:0;"><input type="checkbox" id="stHeaderUpper"> UPPERCASE</label>
</div>
</div>
<p class="subhead">Borders & rows</p>
<div class="ctl-row">
<div>
<label class="field-label" for="stBorderStyle">Border style</label>
<select id="stBorderStyle">
<option value="rows">Horizontal rules</option>
<option value="grid">Full grid</option>
<option value="outer">Outer frame only</option>
<option value="none">None</option>
</select>
</div>
<div class="narrow"><label class="field-label" for="stBorderColor">Color</label><input type="color" id="stBorderColor"></div>
</div>
<label class="check-row"><input type="checkbox" id="stZebra"> Zebra striping (banded rows)</label>
<div class="ctl-row" id="zebraColorRow">
<div class="narrow"><label class="field-label" for="stZebraColor">Band color</label><input type="color" id="stZebraColor"></div>
<div><p style="font-size:12px;color:var(--text-3);padding-bottom:8px;">Even rows keep the row background; odd rows use the band color.</p></div>
</div>
<p class="subhead">Cell padding</p>
<div class="ctl-row" style="margin-bottom:4px;">
<div class="narrow" style="flex-basis:100px;">
<label class="field-label" for="stPadV">Vertical px</label>
<input type="number" id="stPadV" min="0" max="30" value="8">
</div>
<div class="narrow" style="flex-basis:100px;">
<label class="field-label" for="stPadH">Horizontal px</label>
<input type="number" id="stPadH" min="0" max="40" value="12">
</div>
</div>
</div>
<div class="tab-body active" id="tabData" role="tabpanel" aria-labelledby="tabBtnData">
<p style="font-size:13px;color:var(--text-2);margin-bottom:12px;">
Paste a JSON array of objects. Keys become columns; only the first 5 objects are used for the live preview.
</p>
<textarea id="sampleJsonInput" class="code" spellcheck="false"
style="min-height:160px;resize:vertical;"
placeholder='[{"Column1":"Value","Column2":"Value"},…]'></textarea>
<div id="sampleJsonStatus" style="font-size:12.5px;margin-top:8px;min-height:18px;"></div>
</div>
</div>
<!-- ================= RIGHT: PREVIEW + OUTPUT ================= -->
<div>
<div class="panel preview-panel">
<div class="panel-caption">
<span class="dot" aria-hidden="true"></span>
<h2>Live preview</h2>
<span class="spacer"></span>
<span class="row-count-note" id="rowCountNote"></span>
</div>
<div class="email-chrome">
<div class="email-body" id="previewBody"></div>
</div>
</div>
<div class="panel">
<div class="tab-strip" role="tablist" aria-label="Output formats">
<button role="tab" aria-selected="true" data-tab="outFlow" id="outBtnFlow" type="button">Power Automate setup</button>
<button role="tab" aria-selected="false" data-tab="outStatic" id="outBtnStatic" type="button">Static HTML</button>
</div>
<div class="tab-body active" id="outFlow" role="tabpanel" aria-labelledby="outBtnFlow">
<div class="out-step">
<div class="out-step-head">
<span class="step-badge">1</span>
<h3>Select action — <span class="where">From</span></h3>
<span class="spacer"></span>
<button class="copy-btn" data-copy="outFrom" type="button">Copy</button>
</div>
<pre class="out-code" id="outFrom"></pre>
<p class="out-tip">Add a <strong>Select</strong> action after the action that returns your items. Put this expression in <strong>From</strong>.</p>
</div>
<div class="out-step">
<div class="out-step-head">
<span class="step-badge">2</span>
<h3>Select action — <span class="where">Map (text mode → fx)</span></h3>
<span class="spacer"></span>
<button class="copy-btn" data-copy="outMap" type="button">Copy</button>
</div>
<pre class="out-code" id="outMap"></pre>
<p class="out-tip">Click the <strong>switch-to-text-mode</strong> toggle on the right of Map (icon top-right). Then click into the Map field, open the <strong>Expression editor (<code>fx</code>)</strong>, and paste this <code>concat(…)</code> there — <em>not</em> directly into the field. The <code>fx</code> editor takes it as an expression, so the Select outputs one HTML row string per item; pasting plain text into the field instead makes Power Automate read it as JSON and split it into one field per character.</p>
</div>
<div class="out-step">
<div class="out-step-head">
<span class="step-badge">3</span>
<h3>Compose action — <span class="where">Inputs (fx)</span></h3>
<span class="spacer"></span>
<button class="copy-btn" data-copy="outCompose" type="button">Copy</button>
</div>
<pre class="out-code" id="outCompose"></pre>
<p class="out-tip">Add a <strong>Compose</strong> action after the Select. Click its <strong>Inputs</strong> field, open the <strong>Expression editor (<code>fx</code>)</strong>, and paste this. It builds the entire table — header plus <code>join(…)</code>'d rows — as one HTML string.</p>
</div>
<div class="out-step">
<div class="out-step-head">
<span class="step-badge">4</span>
<h3>Send an email (V2) — <span class="where">Body</span></h3>
<span class="spacer"></span>
<button class="copy-btn" data-copy="outEmailRef" type="button">Copy</button>
</div>
<pre class="out-code" id="outEmailRef"></pre>
<p class="out-tip">In the email <strong>Body</strong>, insert the <strong>Compose</strong> action's <strong>Outputs</strong> from the dynamic-content picker (or paste the expression above). <strong>Do not use code view</strong> — a single dynamic value drops the whole table in as-is, so Power Automate can't hoist the rows out of the table (which is what left your <code><tbody></code> empty). Adjust the action name if your Compose isn't named <code>Compose</code>.</p>
</div>
</div>
<div class="tab-body" id="outStatic" role="tabpanel" aria-labelledby="outBtnStatic">
<div class="out-step">
<div class="out-step-head">
<span class="step-badge">⧉</span>
<h3>Complete table with sample data</h3>
<span class="spacer"></span>
<button class="copy-btn" data-copy="outStaticCode" type="button">Copy</button>
</div>
<pre class="out-code" id="outStaticCode" style="max-height:420px;"></pre>
<p class="out-tip">Fully inlined, Outlook-safe HTML. Use it to test the look in a real email, or as a static table with hand-typed content.</p>
</div>
</div>
</div>
</div>
</main>
<footer>Everything runs locally in your browser — no data leaves this page. Designs autosave to localStorage.</footer>
<script>
'use strict';
/* ============================== STATE ============================== */
const STORAGE_KEY = 'html-table-builder-design-v1';
let uidCounter = 0;
const uid = () => 'c' + (++uidCounter) + '_' + Date.now().toString(36);
const THEMES = {
slate: { label: 'Slate', headerBg: '#334155', headerColor: '#ffffff', rowBg: '#ffffff', textColor: '#1f2937', borderColor: '#cbd5e1', zebraColor: '#f1f5f9', accentColor: '#334155' },
office: { label: 'Corporate Blue', headerBg: '#1f4e79', headerColor: '#ffffff', rowBg: '#ffffff', textColor: '#222222', borderColor: '#c9d7e4', zebraColor: '#eef3f8', accentColor: '#1f4e79' },
forest: { label: 'Forest', headerBg: '#2f5233', headerColor: '#ffffff', rowBg: '#ffffff', textColor: '#24301f', borderColor: '#cdd9cd', zebraColor: '#eff5ef', accentColor: '#2f5233' },
burgundy: { label: 'Burgundy', headerBg: '#7a1f2b', headerColor: '#ffffff', rowBg: '#ffffff', textColor: '#2b2222', borderColor: '#e0cdd0', zebraColor: '#f9eff0', accentColor: '#7a1f2b' },
graphite: { label: 'Graphite', headerBg: '#222222', headerColor: '#f5b80c', rowBg: '#ffffff', textColor: '#222222', borderColor: '#d4d4d4', zebraColor: '#f5f5f5', accentColor: '#f5b80c' },
minimal: { label: 'Minimal', headerBg: '#ffffff', headerColor: '#111827', rowBg: '#ffffff', textColor: '#374151', borderColor: '#9ca3af', zebraColor: '#f9fafb', accentColor: '#111827' }
};
function defaultState() {
return {
columns: [
{ id: uid(), header: 'Title', field: 'Title', format: 'text', fmt: '', align: 'left', width: '', bold: true, nowrap: false },
{ id: uid(), header: 'Status', field: 'Status', format: 'text', fmt: '', align: 'left', width: '110', bold: false, nowrap: true },
{ id: uid(), header: 'Due date', field: 'DueDate',format: 'date', fmt: 'yyyy-MM-dd', align: 'left', width: '110', bold: false, nowrap: true },
{ id: uid(), header: 'Amount', field: 'Amount', format: 'currency', fmt: 'C2', align: 'right', width: '100', bold: false, nowrap: true }
],
sampleRows: [
['Annual security review', 'In progress', '2026-06-30', '1250'],
['Server migration', 'Completed', '2026-05-15', '8400'],
['License renewal', 'Not started', '2026-07-12', '1999.5'],
['Quarterly audit', 'In progress', '2026-08-01', '560']
],
style: {
theme: 'slate',
tableWidth: '640',
font: 'Segoe UI, Arial, sans-serif',
fontSize: 14,
textColor: '#1f2937',
rowBg: '#ffffff',
headerBg: '#334155',
headerColor: '#ffffff',
headerSize: 13,
headerBold: true,
headerUpper: false,
borderStyle: 'rows',
borderColor: '#cbd5e1',
zebra: false,
zebraColor: '#f1f5f9',
accentBar: false,
accentColor: '#334155',
padV: 8,
padH: 12
},
pa: {
source: "outputs('Get_items')?['body/value']",
selectName: 'Select table rows',
nullSafe: true
},
sampleJson: '[{"Title":"Annual security review","Status":"In progress","DueDate":"2026-06-30","Amount":"1250"},{"Title":"Server migration","Status":"Completed","DueDate":"2026-05-15","Amount":"8400"},{"Title":"License renewal","Status":"Not started","DueDate":"2026-07-12","Amount":"1999.5"},{"Title":"Quarterly audit","Status":"In progress","DueDate":"2026-08-01","Amount":"560"}]',
sampleCount: 4
};
}
let state = loadState();
function loadState() {
try {
const raw = localStorage.getItem(STORAGE_KEY);
if (raw) {
const parsed = JSON.parse(raw);
if (parsed && Array.isArray(parsed.columns) && parsed.style && parsed.pa) {
if (!parsed.sampleJson && Array.isArray(parsed.sampleRows)) {
parsed.sampleJson = JSON.stringify(parsed.sampleRows.map(row =>
Object.fromEntries(parsed.columns.map((c, i) => [c.field, row[i] ?? '']))
));
}
return parsed;
}
}
} catch (e) { /* corrupted save — fall through to defaults */ }
return defaultState();
}
let saveTimer = null;
function persist() {
clearTimeout(saveTimer);
saveTimer = setTimeout(() => {
try { localStorage.setItem(STORAGE_KEY, JSON.stringify(state)); } catch (e) { /* quota — ignore */ }
}, 250);
}
/* ============================== HELPERS ============================== */
const $ = id => document.getElementById(id);
function escHtml(s) {
return String(s)
.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>')
.replace(/"/g, '"').replace(/'/g, ''');
}
function el(tag, attrs, ...children) {
const node = document.createElement(tag);
for (const [k, v] of Object.entries(attrs || {})) {
if (k === 'class') node.className = v;
else if (k === 'text') node.textContent = v;
else if (k.startsWith('on')) node.addEventListener(k.slice(2), v);
else if (v !== false && v != null) node.setAttribute(k, v === true ? '' : v);
}
for (const c of children) if (c != null) node.append(c);
return node;
}
/* ====================== EMAIL HTML GENERATION ====================== */
/* Outlook desktop renders email HTML with the Word engine: no <style>
blocks, no CSS classes, no text-transform, patchy margin support.
Everything below is inlined per-cell, with legacy attributes
(align, width, bgcolor, cellpadding) doubled up where they help. */
function borderFor(kind, pos) {
const s = state.style;
const c = s.borderColor;
switch (s.borderStyle) {
case 'grid': return `border:1px solid ${c};`;
case 'rows': return kind === 'th' ? `border-bottom:2px solid ${c};` : `border-bottom:1px solid ${c};`;
case 'outer': return '';
default: return '';
}
}
function thHtml(col) {
const s = state.style;
const align = col.align === 'auto' || !col.align ? 'left' : col.align;
let style = `padding:${s.padV}px ${s.padH}px;` +
`font-family:${s.font};font-size:${s.headerSize}px;` +
`color:${s.headerColor};background-color:${s.headerBg};` +
`text-align:${align};vertical-align:bottom;` +
(s.headerBold ? 'font-weight:bold;' : 'font-weight:normal;') +
(s.headerUpper ? 'letter-spacing:0.05em;' : '') +
borderFor('th');
const widthAttr = col.width ? ` width="${escHtml(col.width)}"` : '';
// text-transform is unsupported in Outlook's Word engine — bake the case in.
const label = s.headerUpper ? col.header.toUpperCase() : col.header;
return `<th align="${align}"${widthAttr} bgcolor="${s.headerBg}" style="${style}">${escHtml(label)}</th>`;
}
function tdOpenTag(col) {
const s = state.style;
const align = col.align === 'auto' || !col.align
? (col.format === 'number' || col.format === 'currency' ? 'right' : 'left')
: col.align;
let style = `padding:${s.padV}px ${s.padH}px;` +
`font-family:${s.font};font-size:${s.fontSize}px;` +
`color:${col.color || s.textColor};` +
`text-align:${align};vertical-align:top;` +
(col.bold ? 'font-weight:bold;' : '') +
(col.nowrap ? 'white-space:nowrap;' : '') +
borderFor('td');
return `<td align="${align}" style="${style}">`;
}
function tdHtml(col, content) {
return tdOpenTag(col) + content + '</td>';
}
function tableOpen() {
const s = state.style;
const isFluid = s.tableWidth === '100%';
const widthAttr = isFluid ? '100%' : s.tableWidth;
let style = 'border-collapse:collapse;' +
(isFluid ? 'width:100%;' : `width:${s.tableWidth}px;`) +
`font-family:${s.font};`;
if (s.accentBar) style += `border-top:4px solid ${s.accentColor};`;
if (s.borderStyle === 'outer' || s.borderStyle === 'grid') style += `border:1px solid ${s.borderColor};` + (s.accentBar ? `border-top:4px solid ${s.accentColor};` : '');
return `<table role="presentation" border="0" cellpadding="0" cellspacing="0" width="${widthAttr}" style="${style}">`;
}
function headerRowHtml() {
return '<tr>' + state.columns.map(thHtml).join('') + '</tr>';
}
/* -------- Power Automate expression generation -------- */
function paFieldRef(col, indexed) {
if (col.field.trim().startsWith('=')) return col.field.trim().slice(1).trim();
const f = col.field.trim().replace(/'/g, "''");
return indexed
? `${state.pa.source.trim()}[item()]?['${f}']`
: `item()?['${f}']`;
}
// Inner PA expression for a cell value (no @{…} wrapper). Always coerced to a
// string so it can sit inside concat(); empty fields fall back to ''.
function paCellExprInner(col, indexed) {
const ref = paFieldRef(col, indexed);
let expr;
switch (col.format) {
case 'date': expr = `formatDateTime(${ref}, '${col.fmt || 'yyyy-MM-dd'}')`; break;
case 'currency': expr = `formatNumber(${ref}, '${col.fmt || 'C2'}')`; break;
case 'number': expr = col.fmt ? `formatNumber(${ref}, '${col.fmt}')` : ref; break;
default: expr = ref;
}
if (state.pa.nullSafe) {
expr = expr === ref
? `coalesce(${ref}, '')`
: `if(empty(${ref}), '', ${expr})`;
}
return expr;
}
function paCellExpr(col, indexed) {
return '@{' + paCellExprInner(col, indexed) + '}';
}
// A PA single-quoted string literal (embedded ' is escaped by doubling).
function paStr(literal) {
return "'" + String(literal).replace(/'/g, "''") + "'";
}
function zebraIndexed() { return !!state.style.zebra; }
// The Select "Map" (text mode) needs a real Power Automate *expression*, not a
// raw HTML string with @{…} tokens. A bare/quoted string gets char-split by the
// Select action; an expression is evaluated to one HTML string per item. So we
// emit a single concat(…) that interleaves literal HTML fragments with the cell
// expressions, then join() in the email body stitches the rows together.
function rowTemplate() {
const s = state.style;
const indexed = zebraIndexed();
const args = []; // finished concat() arguments
let lit = ''; // pending literal HTML being accumulated
const pushLit = str => { lit += str; };
const flushLit = () => { if (lit) { args.push(paStr(lit)); lit = ''; } };
const pushExpr = expr => { flushLit(); args.push(expr); };
if (s.zebra) {
const bgExpr = `if(equals(mod(item(), 2), 0), '${s.rowBg}', '${s.zebraColor}')`;
pushLit('<tr bgcolor="'); pushExpr(bgExpr);
pushLit('" style="background-color:'); pushExpr(bgExpr);
pushLit(';">');
} else {
pushLit(`<tr bgcolor="${s.rowBg}" style="background-color:${s.rowBg};">`);
}
state.columns.forEach(c => {
pushLit(tdOpenTag(c));
pushExpr(paCellExprInner(c, indexed));
pushLit('</td>');
});
pushLit('</tr>');
flushLit();
return 'concat(' + args.join(', ') + ')';
}
function selectFromExpr() {
if (!zebraIndexed()) return state.pa.source.trim();
const count = state.sampleCount != null ? state.sampleCount : `length(${state.pa.source.trim()})`;
return `range(0, ${count})`;
}
// The whole table built as ONE Power Automate expression for a Compose action.
// Building it as a single string (rather than literal <table> HTML with a
// @{join(…)} token inside <tbody>) avoids HTML5 foster-parenting: the email
// editor would otherwise hoist that bare token out of the table, leaving an
// empty <tbody> and the rows dumped before the table.
function composeTableExpr() {
const name = (state.pa.selectName.trim() || 'Select').replace(/\s+/g, '_');
const head = tableOpen() + '<thead>' + headerRowHtml() + '</thead><tbody>';
const tail = '</tbody></table>';
return `concat(${paStr(head)}, join(body('${name}'), ''), ${paStr(tail)})`;
}
// What goes in the email Body: a single dynamic value (the Compose output).
function emailBodyRef() {
return "@{outputs('Compose')}";
}
/* -------- Static HTML with sample data -------- */
function previewDateFormat(value, fmt) {
const d = new Date(value);
if (isNaN(d)) return value;
const months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
const pad = n => String(n).padStart(2, '0');
return (fmt || 'yyyy-MM-dd')
.replace(/yyyy/g, d.getFullYear())
.replace(/MMM/g, months[d.getMonth()])
.replace(/MM/g, pad(d.getMonth() + 1))