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neo4-js

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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 neo4js/_book/src/utils/QueryHelper.js</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">neo4js/_book/src/utils</a> QueryHelper.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">93.65% </span> <span class="quiet">Statements</span> <span class='fraction'>59/63</span> </div> <div class='fl pad1y space-right2'> <span class="strong">78.57% </span> <span class="quiet">Branches</span> <span class='fraction'>22/28</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Functions</span> <span class='fraction'>6/6</span> </div> <div class='fl pad1y space-right2'> <span class="strong">96.72% </span> <span class="quiet">Lines</span> <span class='fraction'>59/61</span> </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122</td><td class="line-coverage quiet"><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-neutral">&nbsp;</span> <span 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class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">4x</span> <span class="cline-any cline-yes">4x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">4x</span> <span class="cline-any cline-yes">6x</span> <span class="cline-any cline-yes">6x</span> <span class="cline-any cline-yes">6x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">4x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">4x</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">// @flow &nbsp; 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;", $lte: "&lt;=", }; &nbsp; function _prepareWhere( props: any, variable: string ): { where: string[], flatProps: any } { const where = []; let flatProps = {}; &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (!props) { <span class="cstat-no" title="statement not covered" > return { where: [], flatProps: {} };</span> } &nbsp; forIn(props, (v, k) =&gt; { const propChar = CharGenerator.next(); let found = false; &nbsp; if (v.$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;= {${b}}`); flatProps[a] = num1 &gt; num2 ? num2 : num1; flatProps[b] = num1 &gt; num2 ? num1 : num2; } // TODO error? flow should actually be able to handle this... } else { forIn(singlePredicates, (predicateString, predicateKey) =&gt; { if (v[predicateKey]) { found = true; where.push(`${variable}.${k} ${predicateString} {${propChar}}`); flatProps[propChar] = v[predicateKey]; } }); } &nbsp; if (!found) { where.push(`${variable}.${k} = {${propChar}}`); flatProps[propChar] = v; } }); &nbsp; return { where, flatProps }; } &nbsp; export function prepareWhere( props: any, variable: string ): { where: string, flatProps: any } { CharGenerator.start("a"); const { where, flatProps } = _prepareWhere(props, variable); &nbsp; <span class="missing-if-branch" title="if path not taken" >I</span>if (where.length === 0) { <span class="cstat-no" title="statement not covered" > return { where: "", flatProps: undefined };</span> } &nbsp; return { where: "WHERE " + where.join(" AND "), flatProps }; } &nbsp; export function prepareSet( variable: string, props: any ): { str: string, newProps: any } { const sets = []; const newProps: any = {}; &nbsp; forIn(props, (v, k) =&gt; { <span class="missing-if-branch" title="if path not taken" >I</span>if (k === "guid") <span class="cstat-no" title="statement not covered" >return null;</span> sets.push(`${variable}.${k}={_u${k}}`); newProps[`_u${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 Sat Aug 05 2017 16:27:39 GMT+0200 (CEST) </div> </div> <script src="../../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../../sorter.js"></script> </body> </html>