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reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cypher","gql","graph-database","neo4j","nodejs","typescript"],"created_at":"2024-10-03T13:16:52.188Z","updated_at":"2026-03-06T17:05:31.363Z","avatar_url":"https://github.com/adam-cowley.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# neode-querybuilder\n\nThis package provides a fluent interface for building cypher queries - and is heavily used in [Neode](https://github.com/adam-cowley/neode).  It will take care of parameterisation for you so your queries will be safe.\n\n\n## Getting Started\n\n### Installation\n\nYou can install this package using your favourite package manager:\n\n```\nnpm install --save @neode/querybuilder\n```\n\n### Usage\n\nThe builder has a number of methods that can be used to build up a cypher query.  Say you want a query like:\n\n```cypher\nMATCH (p:Person)-[:ACTED_IN]-\u003e(m:Movie)\nWHERE m.released \u003e= 2003\nRETURN p, m\nLIMIT 10\n```\n\nThe javascript code would look something like:\n\n\n```js\nimport Builder, { Direction } from '@neode/querybuilder'\n\nconst builder = new Builder\n\n// Create a statement\nbuilder.match('p', 'Person', { name: 'Keanu Reeves' })\n    .relationship('ACTED_IN', Direction.OUTGOING)\n    .to('m', 'Movie')\n    .whereGreaterThanOrEqual('m.released', 2003)\n    .return('p', 'm')\n    .limit(10)\n\n// Get the Cypher statement as a string\nconst queryAsString = builder.toString()\n\n// Get the query and the params built up by the instance\nconst { cypher, params } = builder.build()\n````\n\n#### Using with Neode\n\nYou can pass the cypher and params straight into `.cypher` and then use `.hydrate` to convert the result into a Neode model.\n\n```js\nconst { cypher, params } = (new Builder())\n    .match('n', 'Node')\n    .where('n.id', 1)\n    .return('n')\n    .build()\n\nneode.cypher(query, params)\n    .then(res =\u003e neode.hydrateFirst('n'))\n    .then(node =\u003e console.log( node.id() ))\n```\n\n### Simple Queries\n\nBy default, the builder will produce a single where clause:\n\n```js\nbuilder.match('n', 'Person')\n    .where('n.name', 'Keanu Reeves')\n    .or('n.name', 'Laurence Fishburn')\n    .toString()\n```\n\nWill produce something along the lines of:\n\n```cypher\nMATCH (p:Person)-[:ACTED_IN]-\u003e(m:Movie)\nWHERE (n.name = $n_name1 OR n.name = $n_name2)\nRETURN p, m\nLIMIT 10\n```\n\n### More complex Where clauses\n\nIf you need something more complex, you can also pass an instance of the `WhereStatement`:\n\n```js\n// First add the parameters to the builder\nbuilder.setParam('matrixReleasedAfter', 2000)\nbuilder.setParam('atlasReleasedBefore', 2000)\n\n// Then create new instances of WhereStatement using those parameters\nbuilder\n    .match('p', 'Person', { name: 'Keanu Reeves' })\n    .relationship('ACTED_IN', Direction.OUTGOING)\n    .to('m', 'Movie')\n    .where(\n        (new WhereStatement())\n            .whereContains('m.title', 'Matrix')\n            .whereGreaterThan('m.released', 'matrixReleasedBefore') // Reference set above\n    )\n    .or(\n        (new WhereStatement())\n            .whereEndsWith('m.title', 'Atlas')\n            .whereLessThanOrEqual('m.released', 'atlasReleasedBefore') // Reference set above\n    )\n    .return('p', 'm')\n    .limit(10)\n```\n\nThis will produce:\n\n```cypher\nMATCH (p:Person {name: $p_name})-[:ACTED_IN]-\u003e(m:Movie)\nWHERE ((m.title CONTAINS $Matrix AND m.released \u003e $matrixReleasedBefore))\nOR ((m.title ENDS WITH $Atlas AND m.released \u003c= $atlasReleasedBefore))\nRETURN p, m\nLIMIT 10\n```\n\n## Reference\n\n```ts\nexport default class Builder\u003cT\u003e {\n    setParam(key: string, value: any): Builder\u003cT\u003e;\n    match\u003cT\u003e(alias: string, labels?: Array\u003cstring\u003e | string, properties?: object): Builder\u003cT\u003e;\n    call(fn: string, ...parameters: any[]): Builder\u003cT\u003e;\n    yield(...items: string[]): Builder\u003cT\u003e;\n    optionalMatch\u003cT\u003e(alias: string, labels?: Array\u003cstring\u003e | string, properties?: object): Builder\u003cT\u003e;\n    create\u003cT\u003e(alias: string, labels?: Array\u003cstring\u003e | string, properties?: object): Builder\u003cT\u003e;\n    merge\u003cT\u003e(alias: string, labels?: Array\u003cstring\u003e | string, properties?: object): Builder\u003cT\u003e;\n    relationship(type: string | string[], direction?: Direction, alias?: string | null, properties?: object | undefined, degrees?: number | string): Builder\u003cT\u003e;\n    to(alias?: string | undefined, labels?: Array\u003cstring\u003e | string, properties?: object | undefined): Builder\u003cT\u003e;\n    onCreateSet(key: string, value: any): Builder\u003cT\u003e;\n    onMatchSet(key: string, value: any): Builder\u003cT\u003e;\n    set(key: string, value: any): Builder\u003cT\u003e;\n    remove(...values: string[]): this;\n    setAppend(key: string, value: object): Builder\u003cT\u003e;\n    where(key: string | WhereStatement | object, value?: any | undefined): Builder\u003cT\u003e;\n    whereNot(key: string | object, value?: any | undefined): Builder\u003cT\u003e;\n    whereId(alias: string, id: number): Builder\u003cT\u003e;\n    whereNotId(alias: string, id: number): Builder\u003cT\u003e;\n    whereRaw(predicate: string): Builder\u003cT\u003e;\n    whereLike(key: string, value: any): Builder\u003cT\u003e;\n    whereNotLike(key: string, value: any): Builder\u003cT\u003e;\n    whereStartsWith(key: string, value: any): Builder\u003cT\u003e;\n    whereNotStartsWith(key: string, value: any): Builder\u003cT\u003e;\n    whereEndsWith(key: string, value: any): Builder\u003cT\u003e;\n    whereNotEndsWith(key: string, value: any): Builder\u003cT\u003e;\n    whereContains(key: string, value: any): Builder\u003cT\u003e;\n 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string;\n}\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadam-cowley%2Fneode-querybuilder","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fadam-cowley%2Fneode-querybuilder","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadam-cowley%2Fneode-querybuilder/lists"}