@steelbreeze/pivot
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Minimal TypeScript / JavaScript n-cube library
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<html class="default" lang="en" data-base="."><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>@steelbreeze/pivot</title><meta name="description" content="Documentation for @steelbreeze/pivot"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="assets/style.css"/><link rel="stylesheet" href="assets/highlight.css"/><script defer src="assets/main.js"></script><script async src="assets/icons.js" id="tsd-icons-script"></script><script async src="assets/search.js" id="tsd-search-script"></script><script async src="assets/navigation.js" id="tsd-nav-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><div class="table-cell" id="tsd-search"><div class="field"><label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-search"></use></svg></label><input type="text" id="tsd-search-field" aria-label="Search"/></div><div class="field"><div id="tsd-toolbar-links"></div></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="index.html" class="title">@steelbreeze/pivot</a></div><div class="table-cell" id="tsd-widgets"><a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-menu"></use></svg></a></div></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><h1>@steelbreeze/pivot</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>A minimal library for pivoting data by 1-n dimensions.</p>
<p>The <a href="functions/pivot.html" class="tsd-kind-function">pivot</a> function slices and dices data by one or more <a href="types/Dimension.html" class="tsd-kind-type-alias">dimensions</a>, returning a <a href="types/Matrix.html" class="tsd-kind-type-alias">Matrix</a> if one <a href="types/Dimension.html" class="tsd-kind-type-alias">Dimension</a> is passed, a <a href="types/Cube.html" class="tsd-kind-type-alias">Cube</a> if two
<a href="types/Dimension.html" class="tsd-kind-type-alias">dimensions</a> are passed, and a <a href="types/Hypercube.html" class="tsd-kind-type-alias">Hypercube</a> if more than two <a href="types/Dimension.html" class="tsd-kind-type-alias">dimensions</a> are passed.</p>
<p>Simple <a href="types/Dimension.html" class="tsd-kind-type-alias">dimensions</a> can be created by mapping a set of values using the <a href="functions/property.html" class="tsd-kind-function">property</a> function and a property name from the data set to be pivoted.</p>
<p>Once a <a href="types/Cube.html" class="tsd-kind-type-alias">Cube</a> is created, the <a href="functions/query.html" class="tsd-kind-function">query</a> function can be used to perform query operations on the subset of the source data in each cell.</p>
</div><div class="tsd-comment tsd-typography"></div></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Cube building"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg> Cube building</h2></summary><dl class="tsd-member-summaries"><dt class="tsd-member-summary"><a id="dimension" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/dimension-1.html">dimension</a><a href="#dimension" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="pivot" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/pivot.html">pivot</a><a href="#pivot" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="property" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/property.html">property</a><a href="#property" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="slice" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/slice.html">slice</a><a href="#slice" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd></dl></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Cube query"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg> Cube query</h2></summary><dl class="tsd-member-summaries"><dt class="tsd-member-summary"><a id="average" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/average.html">average</a><a href="#average" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="query" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/query.html">query</a><a href="#query" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="sum" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><a href="functions/sum.html">sum</a><a href="#sum" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd></dl></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Type declarations"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg> Type declarations</h2></summary><dl class="tsd-member-summaries"><dt class="tsd-member-summary"><a id="cube" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Cube.html">Cube</a><a href="#cube" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="dimension-1" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Dimension.html">Dimension</a><a href="#dimension-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="function" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Function.html">Function</a><a href="#function" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="hypercube" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Hypercube.html">Hypercube</a><a href="#hypercube" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="matrix" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Matrix.html">Matrix</a><a href="#matrix" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd><dt class="tsd-member-summary"><a id="predicate" class="tsd-anchor"></a><span class="tsd-member-summary-name"><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><a href="types/Predicate.html">Predicate</a><a href="#predicate" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24" aria-hidden="true"><use href="assets/icons.svg#icon-anchor"></use></svg></a></span></dt><dd class="tsd-member-summary"></dd></dl></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span class="settings-label">Member Visibility</span><ul id="tsd-filter-options"><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-protected" name="protected"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Protected</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-inherited" name="inherited" checked/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Inherited</span></label></li></ul></div><div class="tsd-theme-toggle"><label class="settings-label" for="tsd-theme">Theme</label><select id="tsd-theme"><option value="os">OS</option><option value="light">Light</option><option value="dark">Dark</option></select></div></div></details></div><details open class="tsd-accordion tsd-page-navigation"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg>On This Page</h3></summary><div class="tsd-accordion-details"><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="section-Cube building"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg>Cube building</summary><div><a href="#dimension" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>dimension</span></a><a href="#pivot" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>pivot</span></a><a href="#property" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>property</span></a><a href="#slice" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>slice</span></a></div></details><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="section-Cube query"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg>Cube query</summary><div><a href="#average" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>average</span></a><a href="#query" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>query</span></a><a href="#sum" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Function"><use href="assets/icons.svg#icon-64"></use></svg><span>sum</span></a></div></details><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="section-Type declarations"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" aria-hidden="true"><use href="assets/icons.svg#icon-chevronDown"></use></svg>Type declarations</summary><div><a href="#cube" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Cube</span></a><a href="#dimension-1" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Dimension</span></a><a href="#function" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Function</span></a><a href="#hypercube" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Hypercube</span></a><a href="#matrix" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Matrix</span></a><a href="#predicate" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24" aria-label="Type Alias"><use href="assets/icons.svg#icon-2097152"></use></svg><span>Predicate</span></a></div></details></div></details></div><div class="site-menu"><nav class="tsd-navigation"><a href="index.html" 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