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Neo4j graphdb object graph mapper for javascript

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for _book/src/utils/QueryHelper.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">All files</a> / <a href="index.html">_book/src/utils</a> QueryHelper.ts </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">97.78% </span> <span class="quiet">Statements</span> <span class='fraction'>88/90</span> </div> <div class='fl pad1y space-right2'> <span class="strong">84.62% </span> <span class="quiet">Branches</span> <span class='fraction'>33/39</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Functions</span> <span class='fraction'>8/8</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Lines</span> <span class='fraction'>88/88</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a 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cline-yes">19x</span> <span class="cline-any cline-yes">20x</span> <span class="cline-any cline-yes">20x</span> <span class="cline-any cline-yes">20x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">14x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">14x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import { forIn } from "lodash"; import { CharGenerator } from "./CharGenerator"; &nbsp; const singlePredicates = { $sw: "STARTS WITH", $ew: "ENDS WITH", $contains: "CONTAINS", $reg: "=~", &nbsp; $eq: "=", $in: "IN", &nbsp; $gt: "&gt;", $gte: "&gt;=", $lt: "&lt;", $lte: "&lt;=", }; &nbsp; function _prepareWhere( props: any, variable: string ): { where: string[]; flatProps: any } { const where = []; let flatProps = {}; &nbsp; if (!props) { return { where: [], flatProps: {} }; } &nbsp; forIn(props, (v, k) =&gt; { const propChar = CharGenerator.next(); let found = false; &nbsp; if (v.$or) { found = true; const whereOr = []; for (const predicate of v.$or) { const tmp = _prepareWhere({ [k]: predicate }, variable); whereOr.push(...tmp.where); flatProps = { ...flatProps, ...tmp.flatProps }; } where.push(`(${whereOr.join(" OR ")})`); } else if (v.$and) { found = true; const whereAnd = []; for (const predicate of v.$and) { const tmp = _prepareWhere({ [k]: predicate }, variable); whereAnd.push(...tmp.where); flatProps = { ...flatProps, ...tmp.flatProps }; } where.push(`(${whereAnd.join(" AND ")})`); } else if (v.$not) { found = true; const tmp = _prepareWhere({ [k]: v.$not }, variable); <span class="missing-if-branch" title="else path not taken" >E</span>if (tmp.where.length) { where.push(`NOT ${tmp.where[0]}`); flatProps = { ...flatProps, ...tmp.flatProps }; } } else if (v.$between) { found = true; <span class="missing-if-branch" title="else path not taken" >E</span>if (v.$between.length === 2) { const [num1, num2] = v.$between; const a = propChar; const b = CharGenerator.next(); where.push(`{${a}} &lt;= ${variable}.${k} &lt;= {${b}}`); flatProps[a] = num1 &gt; num2 ? num2 : num1; flatProps[b] = num1 &gt; num2 ? num1 : num2; } } else { forIn(singlePredicates, (predicateString, predicateKey) =&gt; { const val = v[predicateKey]; if (val || typeof val === "number" || typeof val === "string") { found = true; where.push(`${variable}.${k} ${predicateString} {${propChar}}`); flatProps[propChar] = v[predicateKey]; } }); } &nbsp; if (!found) { where.push(`${variable}.${k} = {${propChar}}`); flatProps[propChar] = v; } }); &nbsp; return { where, flatProps }; } &nbsp; export function prepareWhere( properties: any, variables: string | string[] ): { where: string; flatProps: any } { CharGenerator.start("a"); let vars: string[] = []; let props: any = {}; if (typeof variables === "string") { vars = [variables]; props[variables] = properties; } else <span class="missing-if-branch" title="else path not taken" >E</span>if (Array.isArray(variables)) { vars = variables; props = properties; } &nbsp; let where = []; let flatProps = {}; vars.forEach(variable =&gt; { const result = _prepareWhere(props[variable], variable); where = where.concat(result.where); Object.assign(flatProps, result.flatProps); }); &nbsp; if (where.length === 0) { return { where: "", flatProps: undefined }; } &nbsp; return { where: "WHERE " + where.join(" AND "), flatProps }; } &nbsp; export function prepareSet( properties: any, variables: string | string[] ): { str: string; newProps: any } { const sets = []; const newProps: any = {}; let vars: string[] = []; let props: any = {}; if (typeof variables === "string") { vars = [variables]; props[variables] = properties; } else <span class="missing-if-branch" title="else path not taken" >E</span>if (Array.isArray(variables)) { vars = variables; props = properties; } &nbsp; vars.forEach(variable =&gt; { forIn(props[variable], (v, k) =&gt; { <span class="missing-if-branch" title="if path not taken" >I</span>if (k === "guid") <span class="cstat-no" title="statement not covered" >return null;</span> sets.push(`${variable}.${k}={_u_${variable}_${k}}`); newProps[`_u_${variable}_${k}`] = v; }); }); &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (!sets.length) <span class="cstat-no" title="statement not covered" >throw new Error(`Nothing to update`);</span> &nbsp; return { str: sets.join(", "), newProps }; } &nbsp;</pre></td></tr> </table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Thu May 17 2018 11:20:06 GMT+0200 (CEST) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = 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