@data-client/normalizr
Version:
Normalizes and denormalizes JSON according to schema for Redux and Flux applications
79 lines (76 loc) • 11 kB
JavaScript
import { addEntities } from './addEntities.js';
import { getVisit } from './getVisit.js';
import { createGetEntity } from '../memo/MemoCache.js';
export const normalize = (schema, input, args = [], {
entities,
indexes,
entityMeta
} = emptyStore, meta = {
fetchedAt: 0,
date: Date.now(),
expiresAt: Infinity
}) => {
// no schema means we don't process at all
if (schema === undefined || schema === null) return {
result: input,
entities,
indexes,
entityMeta
};
const schemaType = expectedSchemaType(schema);
if (input === null || typeof input !== schemaType &&
// we will allow a Delete schema to be a string or object
!(schema.key !== undefined && schema.pk === undefined && typeof input === 'string')) {
/* istanbul ignore else */
if (process.env.NODE_ENV !== 'production') {
const parseWorks = input => {
try {
return typeof JSON.parse(input) !== 'string';
} catch (e) {
return false;
}
};
if (typeof input === 'string' && parseWorks(input)) {
throw new Error(`Normalizing a string, but this does match schema.
Parsing this input string as JSON worked. This likely indicates fetch function did not parse
the JSON. By default, this only happens if "content-type" header includes "json".
See https://dataclient.io/rest/api/RestEndpoint#parseResponse for more information
Schema: ${JSON.stringify(schema, undefined, 2)}
Input: "${input}"`);
} else {
throw new Error(`Unexpected input given to normalize. Expected type to be "${schemaType}", found "${input === null ? 'null' : typeof input}".
Schema: ${JSON.stringify(schema, undefined, 2)}
Input: "${input}"`);
}
} else {
throw new Error(`Unexpected input given to normalize. Expected type to be "${schemaType}", found "${input === null ? 'null' : typeof input}".`);
}
}
const newEntities = new Map();
const newIndexes = new Map();
const ret = {
result: '',
entities: {
...entities
},
indexes: {
...indexes
},
entityMeta: {
...entityMeta
}
};
const addEntity = addEntities(newEntities, newIndexes, ret.entities, ret.indexes, ret.entityMeta, meta);
const visit = getVisit(addEntity, createGetEntity(entities));
ret.result = visit(schema, input, input, undefined, args);
return ret;
};
function expectedSchemaType(schema) {
return ['object', 'function'].includes(typeof schema) ? 'object' : typeof schema;
}
const emptyStore = {
entities: {},
indexes: {},
entityMeta: {}
};
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["addEntities","getVisit","createGetEntity","normalize","schema","input","args","entities","indexes","entityMeta","emptyStore","meta","fetchedAt","date","Date","now","expiresAt","Infinity","undefined","result","schemaType","expectedSchemaType","key","pk","process","env","NODE_ENV","parseWorks","JSON","parse","e","Error","stringify","newEntities","Map","newIndexes","ret","addEntity","visit","includes"],"sources":["../../src/normalizr/normalize.ts"],"sourcesContent":["import { addEntities } from './addEntities.js';\nimport { getVisit } from './getVisit.js';\nimport type { Schema, NormalizedIndex } from '../interface.js';\nimport { createGetEntity } from '../memo/MemoCache.js';\nimport type {\n  NormalizeMeta,\n  NormalizeNullable,\n  NormalizedSchema,\n  StoreData,\n} from '../types.js';\n\nexport const normalize = <\n  S extends Schema = Schema,\n  E extends Record<string, Record<string, any> | undefined> = Record<\n    string,\n    Record<string, any>\n  >,\n  R = NormalizeNullable<S>,\n>(\n  schema: S | undefined,\n  input: any,\n  args: readonly any[] = [],\n  { entities, indexes, entityMeta }: StoreData<E> = emptyStore,\n  meta: NormalizeMeta = { fetchedAt: 0, date: Date.now(), expiresAt: Infinity },\n): NormalizedSchema<E, R> => {\n  // no schema means we don't process at all\n  if (schema === undefined || schema === null)\n    return {\n      result: input,\n      entities,\n      indexes,\n      entityMeta,\n    };\n\n  const schemaType = expectedSchemaType(schema);\n  if (\n    input === null ||\n    (typeof input !== schemaType &&\n      // we will allow a Delete schema to be a string or object\n      !(\n        (schema as any).key !== undefined &&\n        (schema as any).pk === undefined &&\n        typeof input === 'string'\n      ))\n  ) {\n    /* istanbul ignore else */\n    if (process.env.NODE_ENV !== 'production') {\n      const parseWorks = (input: string) => {\n        try {\n          return typeof JSON.parse(input) !== 'string';\n        } catch (e) {\n          return false;\n        }\n      };\n      if (typeof input === 'string' && parseWorks(input)) {\n        throw new Error(`Normalizing a string, but this does match schema.\n\nParsing this input string as JSON worked. This likely indicates fetch function did not parse\nthe JSON. By default, this only happens if \"content-type\" header includes \"json\".\nSee https://dataclient.io/rest/api/RestEndpoint#parseResponse for more information\n\n  Schema: ${JSON.stringify(schema, undefined, 2)}\n  Input: \"${input}\"`);\n      } else {\n        throw new Error(\n          `Unexpected input given to normalize. Expected type to be \"${schemaType}\", found \"${\n            input === null ? 'null' : typeof input\n          }\".\n\n          Schema: ${JSON.stringify(schema, undefined, 2)}\n          Input: \"${input}\"`,\n        );\n      }\n    } else {\n      throw new Error(\n        `Unexpected input given to normalize. Expected type to be \"${schemaType}\", found \"${\n          input === null ? 'null' : typeof input\n        }\".`,\n      );\n    }\n  }\n\n  const newEntities = new Map<string, Map<string, any>>();\n  const newIndexes = new Map<string, Map<string, any>>();\n  const ret: NormalizedSchema<E, R> = {\n    result: '' as any,\n    entities: { ...entities },\n    indexes: { ...indexes },\n    entityMeta: { ...entityMeta },\n  };\n  const addEntity = addEntities(\n    newEntities,\n    newIndexes,\n    ret.entities,\n    ret.indexes,\n    ret.entityMeta,\n    meta,\n  );\n\n  const visit = getVisit(addEntity, createGetEntity(entities));\n  ret.result = visit(schema, input, input, undefined, args);\n  return ret;\n};\n\nfunction expectedSchemaType(schema: Schema) {\n  return ['object', 'function'].includes(typeof schema) ? 'object' : (\n      typeof schema\n    );\n}\n\nconst emptyStore: StoreData<any> = {\n  entities: {},\n  indexes: {},\n  entityMeta: {},\n};\n"],"mappings":"AAAA,SAASA,WAAW,QAAQ,kBAAkB;AAC9C,SAASC,QAAQ,QAAQ,eAAe;AAExC,SAASC,eAAe,QAAQ,sBAAsB;AAQtD,OAAO,MAAMC,SAAS,GAAGA,CAQvBC,MAAqB,EACrBC,KAAU,EACVC,IAAoB,GAAG,EAAE,EACzB;EAAEC,QAAQ;EAAEC,OAAO;EAAEC;AAAyB,CAAC,GAAGC,UAAU,EAC5DC,IAAmB,GAAG;EAAEC,SAAS,EAAE,CAAC;EAAEC,IAAI,EAAEC,IAAI,CAACC,GAAG,CAAC,CAAC;EAAEC,SAAS,EAAEC;AAAS,CAAC,KAClD;EAC3B;EACA,IAAIb,MAAM,KAAKc,SAAS,IAAId,MAAM,KAAK,IAAI,EACzC,OAAO;IACLe,MAAM,EAAEd,KAAK;IACbE,QAAQ;IACRC,OAAO;IACPC;EACF,CAAC;EAEH,MAAMW,UAAU,GAAGC,kBAAkB,CAACjB,MAAM,CAAC;EAC7C,IACEC,KAAK,KAAK,IAAI,IACb,OAAOA,KAAK,KAAKe,UAAU;EAC1B;EACA,EACGhB,MAAM,CAASkB,GAAG,KAAKJ,SAAS,IAChCd,MAAM,CAASmB,EAAE,KAAKL,SAAS,IAChC,OAAOb,KAAK,KAAK,QAAQ,CACzB,EACJ;IACA;IACA,IAAImB,OAAO,CAACC,GAAG,CAACC,QAAQ,KAAK,YAAY,EAAE;MACzC,MAAMC,UAAU,GAAItB,KAAa,IAAK;QACpC,IAAI;UACF,OAAO,OAAOuB,IAAI,CAACC,KAAK,CAACxB,KAAK,CAAC,KAAK,QAAQ;QAC9C,CAAC,CAAC,OAAOyB,CAAC,EAAE;UACV,OAAO,KAAK;QACd;MACF,CAAC;MACD,IAAI,OAAOzB,KAAK,KAAK,QAAQ,IAAIsB,UAAU,CAACtB,KAAK,CAAC,EAAE;QAClD,MAAM,IAAI0B,KAAK,CAAC;AACxB;AACA;AACA;AACA;AACA;AACA,YAAYH,IAAI,CAACI,SAAS,CAAC5B,MAAM,EAAEc,SAAS,EAAE,CAAC,CAAC;AAChD,YAAYb,KAAK,GAAG,CAAC;MACf,CAAC,MAAM;QACL,MAAM,IAAI0B,KAAK,CACb,6DAA6DX,UAAU,aACrEf,KAAK,KAAK,IAAI,GAAG,MAAM,GAAG,OAAOA,KAAK;AAClD;AACA,oBACoBuB,IAAI,CAACI,SAAS,CAAC5B,MAAM,EAAEc,SAAS,EAAE,CAAC,CAAC;AACxD,oBAAoBb,KAAK,GACjB,CAAC;MACH;IACF,CAAC,MAAM;MACL,MAAM,IAAI0B,KAAK,CACb,6DAA6DX,UAAU,aACrEf,KAAK,KAAK,IAAI,GAAG,MAAM,GAAG,OAAOA,KAAK,IAE1C,CAAC;IACH;EACF;EAEA,MAAM4B,WAAW,GAAG,IAAIC,GAAG,CAA2B,CAAC;EACvD,MAAMC,UAAU,GAAG,IAAID,GAAG,CAA2B,CAAC;EACtD,MAAME,GAA2B,GAAG;IAClCjB,MAAM,EAAE,EAAS;IACjBZ,QAAQ,EAAE;MAAE,GAAGA;IAAS,CAAC;IACzBC,OAAO,EAAE;MAAE,GAAGA;IAAQ,CAAC;IACvBC,UAAU,EAAE;MAAE,GAAGA;IAAW;EAC9B,CAAC;EACD,MAAM4B,SAAS,GAAGrC,WAAW,CAC3BiC,WAAW,EACXE,UAAU,EACVC,GAAG,CAAC7B,QAAQ,EACZ6B,GAAG,CAAC5B,OAAO,EACX4B,GAAG,CAAC3B,UAAU,EACdE,IACF,CAAC;EAED,MAAM2B,KAAK,GAAGrC,QAAQ,CAACoC,SAAS,EAAEnC,eAAe,CAACK,QAAQ,CAAC,CAAC;EAC5D6B,GAAG,CAACjB,MAAM,GAAGmB,KAAK,CAAClC,MAAM,EAAEC,KAAK,EAAEA,KAAK,EAAEa,SAAS,EAAEZ,IAAI,CAAC;EACzD,OAAO8B,GAAG;AACZ,CAAC;AAED,SAASf,kBAAkBA,CAACjB,MAAc,EAAE;EAC1C,OAAO,CAAC,QAAQ,EAAE,UAAU,CAAC,CAACmC,QAAQ,CAAC,OAAOnC,MAAM,CAAC,GAAG,QAAQ,GAC5D,OAAOA,MACR;AACL;AAEA,MAAMM,UAA0B,GAAG;EACjCH,QAAQ,EAAE,CAAC,CAAC;EACZC,OAAO,EAAE,CAAC,CAAC;EACXC,UAAU,EAAE,CAAC;AACf,CAAC","ignoreList":[]}