@loaders.gl/schema - npm Package Compare versions

Comparing version 4.3.0-alpha.3 to 4.3.0-alpha.4

dist/dist.dev.js

@@ -103,2 +103,3 @@ (function webpackUniversalModuleDefinition(root, factory) {
     deduceTableSchema: () => deduceTableSchema,
+    getArrayTypeFromDataType: () => getArrayTypeFromDataType,
     getDataTypeFromArray: () => getDataTypeFromArray,
@@ -127,2 +128,78 @@ getMeshBoundingBox: () => getMeshBoundingBox,
 
+  // src/lib/table/simple-table/data-type.ts
+  function getDataTypeFromValue(value, defaultNumberType = "float32") {
+    if (value instanceof Date) {
+      return "date-millisecond";
+    }
+    if (value instanceof Number) {
+      return defaultNumberType;
+    }
+    if (typeof value === "string") {
+      return "utf8";
+    }
+    if (value === null || value === "undefined") {
+      return "null";
+    }
+    return "null";
+  }
+  function getDataTypeFromArray(array) {
+    let type = getDataTypeFromTypedArray(array);
+    if (type !== "null") {
+      return { type, nullable: false };
+    }
+    if (array.length > 0) {
+      type = getDataTypeFromValue(array[0]);
+      return { type, nullable: true };
+    }
+    return { type: "null", nullable: true };
+  }
+  function getDataTypeFromTypedArray(array) {
+    switch (array.constructor) {
+      case Int8Array:
+        return "int8";
+      case Uint8Array:
+      case Uint8ClampedArray:
+        return "uint8";
+      case Int16Array:
+        return "int16";
+      case Uint16Array:
+        return "uint16";
+      case Int32Array:
+        return "int32";
+      case Uint32Array:
+        return "uint32";
+      case Float32Array:
+        return "float32";
+      case Float64Array:
+        return "float64";
+      default:
+        return "null";
+    }
+  }
+  function getArrayTypeFromDataType(type, nullable) {
+    if (!nullable) {
+      switch (type) {
+        case "int8":
+          return Int8Array;
+        case "uint8":
+          return Uint8Array;
+        case "int16":
+          return Int16Array;
+        case "uint16":
+          return Uint16Array;
+        case "int32":
+          return Int32Array;
+        case "uint32":
+          return Uint32Array;
+        case "float32":
+          return Float32Array;
+        case "float64":
+          return Float64Array;
+        default:
+          break;
+      }
+    }
+    return Array;
+  }
+
   // src/lib/table/batches/base-table-batch-aggregator.ts
@@ -845,78 +922,2 @@ var DEFAULT_ROW_COUNT = 100;
 
-  // src/lib/table/simple-table/data-type.ts
-  function getDataTypeFromValue(value, defaultNumberType = "float32") {
-    if (value instanceof Date) {
-      return "date-millisecond";
-    }
-    if (value instanceof Number) {
-      return defaultNumberType;
-    }
-    if (typeof value === "string") {
-      return "utf8";
-    }
-    if (value === null || value === "undefined") {
-      return "null";
-    }
-    return "null";
-  }
-  function getDataTypeFromArray(array) {
-    let type = getDataTypeFromTypedArray(array);
-    if (type !== "null") {
-      return { type, nullable: false };
-    }
-    if (array.length > 0) {
-      type = getDataTypeFromValue(array[0]);
-      return { type, nullable: true };
-    }
-    return { type: "null", nullable: true };
-  }
-  function getDataTypeFromTypedArray(array) {
-    switch (array.constructor) {
-      case Int8Array:
-        return "int8";
-      case Uint8Array:
-      case Uint8ClampedArray:
-        return "uint8";
-      case Int16Array:
-        return "int16";
-      case Uint16Array:
-        return "uint16";
-      case Int32Array:
-        return "int32";
-      case Uint32Array:
-        return "uint32";
-      case Float32Array:
-        return "float32";
-      case Float64Array:
-        return "float64";
-      default:
-        return "null";
-    }
-  }
-  function getArrayTypeFromDataType(type, nullable) {
-    if (!nullable) {
-      switch (type) {
-        case "int8":
-          return Int8Array;
-        case "uint8":
-          return Uint8Array;
-        case "int16":
-          return Int16Array;
-        case "uint16":
-          return Uint16Array;
-        case "int32":
-          return Int32Array;
-        case "uint32":
-          return Uint32Array;
-        case "float32":
-          return Float32Array;
-        case "float64":
-          return Float64Array;
-        default:
-          break;
-      }
-    }
-    return Array;
-  }
-
   // src/lib/table/simple-table/table-schema.ts
@@ -923,0 +924,0 @@ function deduceTableSchema(table) {

dist/dist.min.js

@@ -7,4 +7,4 @@ (function webpackUniversalModuleDefinition(root, factory) {
   else root['loaders'] = factory();})(globalThis, function () {
-"use strict";var __exports__=(()=>{var Kt=Object.create;var F=Object.defineProperty;var Qt=Object.getOwnPropertyDescriptor;var te=Object.getOwnPropertyNames;var ee=Object.getPrototypeOf,re=Object.prototype.hasOwnProperty;var se=(t,e,r)=>e in t?F(t,e,{enumerable:!0,configurable:!0,writable:!0,value:r}):t[e]=r;var ae=(t,e)=>()=>(e||t((e={exports:{}}).exports,e),e.exports),oe=(t,e)=>{for(var r in e)F(t,r,{get:e[r],enumerable:!0})},M=(t,e,r,s)=>{if(e&&typeof e=="object"||typeof e=="function")for(let a of te(e))!re.call(t,a)&&a!==r&&F(t,a,{get:()=>e[a],enumerable:!(s=Qt(e,a))||s.enumerable});return t},U=(t,e,r)=>(M(t,e,"default"),r&&M(r,e,"default")),ne=(t,e,r)=>(r=t!=null?Kt(ee(t)):{},M(e||!t||!t.__esModule?F(r,"default",{value:t,enumerable:!0}):r,t)),ie=t=>M(F({},"__esModule",{value:!0}),t);var Et=(t,e,r)=>(se(t,typeof e!="symbol"?e+"":e,r),r);var Ct=ae((Se,Bt)=>{Bt.exports=globalThis.loaders});var C={};oe(C,{ArrowLikeDataType:()=>m,ArrowLikeField:()=>p,ArrowLikeSchema:()=>d,ArrowLikeTable:()=>P,AsyncQueue:()=>B,Binary:()=>at,Bool:()=>H,ColumnarTableBatchAggregator:()=>S,Date:()=>I,DateDay:()=>nt,DateMillisecond:()=>it,FixedSizeList:()=>gt,Float:()=>x,Float16:()=>et,Float32:()=>rt,Float64:()=>st,Int:()=>f,Int16:()=>V,Int32:()=>G,Int64:()=>X,Int8:()=>J,Interval:()=>O,IntervalDayTime:()=>ft,IntervalYearMonth:()=>pt,Null:()=>q,RowTableBatchAggregator:()=>A,Struct:()=>wt,TableBatchBuilder:()=>R,Time:()=>T,TimeMillisecond:()=>lt,TimeSecond:()=>ct,Timestamp:()=>b,TimestampMicrosecond:()=>mt,TimestampMillisecond:()=>ht,TimestampNanosecond:()=>dt,TimestampSecond:()=>ut,Uint16:()=>K,Uint32:()=>Q,Uint64:()=>tt,Uint8:()=>Z,Utf8:()=>ot,convertTable:()=>Jt,convertToArrayRow:()=>L,convertToObjectRow:()=>v,deduceMeshField:()=>Tt,deduceMeshSchema:()=>Xt,deduceTableSchema:()=>w,getDataTypeFromArray:()=>Y,getMeshBoundingBox:()=>Gt,getMeshSize:()=>Vt,getTableCell:()=>j,getTableColumnIndex:()=>xt,getTableColumnName:()=>vt,getTableLength:()=>h,getTableNumCols:()=>$,getTableRowAsArray:()=>E,getTableRowAsObject:()=>N,getTableRowShape:()=>kt,getTypeInfo:()=>Zt,isTable:()=>Ut,makeArrayRowIterator:()=>At,makeBatchFromTable:()=>Pt,makeMeshAttributeMetadata:()=>Ot,makeObjectRowIterator:()=>St,makeRowIterator:()=>Lt,makeTableFromBatches:()=>qt,makeTableFromData:()=>Yt});U(C,ne(Ct(),1));var k=class{schema;options;shape;length=0;rows=null;cursor=0;_headers=[];constructor(e,r){if(this.options=r,this.schema=e,!Array.isArray(e)){this._headers=[];for(let s in e)this._headers[e[s].index]=e[s].name}}rowCount(){return this.length}addArrayRow(e,r){Number.isFinite(r)&&(this.cursor=r),this.shape="array-row-table",this.rows=this.rows||new Array(100),this.rows[this.length]=e,this.length++}addObjectRow(e,r){Number.isFinite(r)&&(this.cursor=r),this.shape="object-row-table",this.rows=this.rows||new Array(100),this.rows[this.length]=e,this.length++}getBatch(){let e=this.rows;return e?(e=e.slice(0,this.length),this.rows=null,{shape:this.shape||"array-row-table",batchType:"data",data:e,length:this.length,schema:this.schema,cursor:this.cursor}):null}};function v(t,e){if(!t)throw new Error("null row");let r={};if(e)for(let s=0;s<e.length;s++)r[e[s]]=t[s];else for(let s=0;s<t.length;s++){let a=`column-${s}`;r[a]=t[s]}return r}function L(t,e){if(!t)throw new Error("null row");if(e){let r=new Array(e.length);for(let s=0;s<e.length;s++)r[s]=t[e[s]];return r}return Object.values(t)}function Dt(t){let e=[];for(let r=0;r<t.length;r++){let s=`column-${r}`;e.push(s)}return e}function _t(t){return Object.keys(t)}var Mt=100,A=class{schema;options;length=0;objectRows=null;arrayRows=null;cursor=0;_headers=null;constructor(e,r){if(this.options=r,this.schema=e,e){this._headers=[];for(let s in e)this._headers[e[s].index]=e[s].name}}rowCount(){return this.length}addArrayRow(e,r){switch(Number.isFinite(r)&&(this.cursor=r),this._headers||=Dt(e),this.options.shape){case"object-row-table":let s=v(e,this._headers);this.addObjectRow(s,r);break;case"array-row-table":this.arrayRows=this.arrayRows||new Array(Mt),this.arrayRows[this.length]=e,this.length++;break}}addObjectRow(e,r){switch(Number.isFinite(r)&&(this.cursor=r),this._headers||=_t(e),this.options.shape){case"array-row-table":let s=L(e,this._headers);this.addArrayRow(s,r);break;case"object-row-table":this.objectRows=this.objectRows||new Array(Mt),this.objectRows[this.length]=e,this.length++;break}}getBatch(){let e=this.arrayRows||this.objectRows;return e?(e=e.slice(0,this.length),this.arrayRows=null,this.objectRows=null,{shape:this.options.shape,batchType:"data",data:e,length:this.length,schema:this.schema,cursor:this.cursor}):null}};var S=class{schema;length=0;allocated=0;columns={};constructor(e,r){this.schema=e,this._reallocateColumns()}rowCount(){return this.length}addArrayRow(e){this._reallocateColumns();let r=0;for(let s in this.columns)this.columns[s][this.length]=e[r++];this.length++}addObjectRow(e){this._reallocateColumns();for(let r in e)this.columns[r][this.length]=e[r];this.length++}getBatch(){this._pruneColumns();let e=Array.isArray(this.schema)?this.columns:{};if(!Array.isArray(this.schema))for(let s in this.schema){let a=this.schema[s];e[a.name]=this.columns[a.index]}return this.columns={},{shape:"columnar-table",batchType:"data",data:e,schema:this.schema,length:this.length}}_reallocateColumns(){if(!(this.length<this.allocated)){this.allocated=this.allocated>0?this.allocated*=2:100,this.columns={};for(let e in this.schema){let r=this.schema[e],s=r.type||Float32Array,a=this.columns[r.index];if(a&&ArrayBuffer.isView(a)){let u=new s(this.allocated);u.set(a),this.columns[r.index]=u}else a?(a.length=this.allocated,this.columns[r.index]=a):this.columns[r.index]=new s(this.allocated)}}}_pruneColumns(){for(let[e,r]of Object.entries(this.columns))this.columns[e]=r.slice(0,this.length)}};var ce={shape:void 0,batchSize:"auto",batchDebounceMs:0,limit:0,_limitMB:0},le="TableBatchBuilder",z=class{schema;options;aggregator=null;batchCount=0;bytesUsed=0;isChunkComplete=!1;lastBatchEmittedMs=Date.now();totalLength=0;totalBytes=0;rowBytes=0;constructor(e,r){this.schema=e,this.options={...ce,...r}}limitReached(){return!!(Boolean(this.options?.limit)&&this.totalLength>=this.options.limit||Boolean(this.options?._limitMB)&&this.totalBytes/1e6>=this.options._limitMB)}addRow(e){this.limitReached()||(this.totalLength++,this.rowBytes=this.rowBytes||this._estimateRowMB(e),this.totalBytes+=this.rowBytes,Array.isArray(e)?this.addArrayRow(e):this.addObjectRow(e))}addArrayRow(e){if(!this.aggregator){let r=this._getTableBatchType();this.aggregator=new r(this.schema,this.options)}this.aggregator.addArrayRow(e)}addObjectRow(e){if(!this.aggregator){let r=this._getTableBatchType();this.aggregator=new r(this.schema,this.options)}this.aggregator.addObjectRow(e)}chunkComplete(e){e instanceof ArrayBuffer&&(this.bytesUsed+=e.byteLength),typeof e=="string"&&(this.bytesUsed+=e.length),this.isChunkComplete=!0}getFullBatch(e){return this._isFull()?this._getBatch(e):null}getFinalBatch(e){return this._getBatch(e)}_estimateRowMB(e){return Array.isArray(e)?e.length*8:Object.keys(e).length*8}_isFull(){if(!this.aggregator||this.aggregator.rowCount()===0)return!1;if(this.options.batchSize==="auto"){if(!this.isChunkComplete)return!1}else if(this.options.batchSize>this.aggregator.rowCount())return!1;return this.options.batchDebounceMs>Date.now()-this.lastBatchEmittedMs?!1:(this.isChunkComplete=!1,this.lastBatchEmittedMs=Date.now(),!0)}_getBatch(e){if(!this.aggregator)return null;e?.bytesUsed&&(this.bytesUsed=e.bytesUsed);let r=this.aggregator.getBatch();return r.count=this.batchCount,r.bytesUsed=this.bytesUsed,Object.assign(r,e),this.batchCount++,this.aggregator=null,r}_getTableBatchType(){switch(this.options.shape){case"array-row-table":case"object-row-table":return A;case"columnar-table":return S;case"arrow-table":if(!z.ArrowBatch)throw new Error(le);return z.ArrowBatch;default:return k}}},R=z;Et(R,"ArrowBatch");function Ut(t){switch(typeof t=="object"&&t?.shape){case"array-row-table":case"object-row-table":return Array.isArray(t.data);case"geojson-table":return Array.isArray(t.features);case"columnar-table":return t.data&&typeof t.data=="object";case"arrow-table":return Boolean(t?.data?.numRows!==void 0);default:return!1}}function h(t){switch(t.shape){case"array-row-table":case"object-row-table":return t.data.length;case"geojson-table":return t.features.length;case"arrow-table":return t.data.numRows;case"columnar-table":for(let r of Object.values(t.data))return r.length||0;return 0;default:throw new Error("table")}}function $(t){if(t.schema)return t.schema.fields.length;if(h(t)===0)throw new Error("empty table");switch(t.shape){case"array-row-table":return t.data[0].length;case"object-row-table":return Object.keys(t.data[0]).length;case"geojson-table":return Object.keys(t.features[0]).length;case"columnar-table":return Object.keys(t.data).length;case"arrow-table":return t.data.numCols;default:throw new Error("table")}}function j(t,e,r){switch(t.shape){case"array-row-table":let s=xt(t,r);return t.data[e][s];case"object-row-table":return t.data[e][r];case"geojson-table":return t.features[e][r];case"columnar-table":return t.data[r][e];case"arrow-table":let u=t.data,c=u.schema.fields.findIndex(l=>l.name===r);return u.getChildAt(c)?.get(e);default:throw new Error("todo")}}function kt(t){switch(t.shape){case"array-row-table":case"object-row-table":return t.shape;case"geojson-table":return"object-row-table";case"columnar-table":default:throw new Error("Not a row table")}}function xt(t,e){let r=t.schema?.fields.findIndex(s=>s.name===e);if(r===void 0)throw new Error(e);return r}function vt(t,e){let r=t.schema?.fields[e]?.name;if(!r)throw new Error(`${e}`);return r}function N(t,e,r,s){switch(t.shape){case"object-row-table":return s?Object.fromEntries(Object.entries(t.data[e])):t.data[e];case"array-row-table":if(t.schema){let o=r||{};for(let n=0;n<t.schema.fields.length;n++)o[t.schema.fields[n].name]=t.data[e][n];return o}throw new Error("no schema");case"geojson-table":if(t.schema){let o=r||{};for(let n=0;n<t.schema.fields.length;n++)o[t.schema.fields[n].name]=t.features[e][n];return o}throw new Error("no schema");case"columnar-table":if(t.schema){let o=r||{};for(let n=0;n<t.schema.fields.length;n++)o[t.schema.fields[n].name]=t.data[t.schema.fields[n].name][e];return o}else{let o=r||{};for(let[n,g]of Object.entries(t.data))o[n]=g[e];return o}case"arrow-table":let a=t.data,u=r||{},c=a.get(e),l=a.schema;for(let o=0;o<l.fields.length;o++)u[l.fields[o].name]=c?.[l.fields[o].name];return u;default:throw new Error("shape")}}function E(t,e,r,s){switch(t.shape){case"array-row-table":return s?Array.from(t.data[e]):t.data[e];case"object-row-table":if(t.schema){let o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.data[e][t.schema.fields[n].name];return o}return Object.values(t.data[e]);case"geojson-table":if(t.schema){let o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.features[e][t.schema.fields[n].name];return o}return Object.values(t.features[e]);case"columnar-table":if(t.schema){let o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.data[t.schema.fields[n].name][e];return o}else{let o=r||[],n=0;for(let g of Object.values(t.data))o[n]=g[e],n++;return o}case"arrow-table":let a=t.data,u=r||[],c=a.get(e),l=a.schema;for(let o=0;o<l.fields.length;o++)u[o]=c?.[l.fields[o].name];return u;default:throw new Error("shape")}}function*Lt(t,e){switch(e){case"array-row-table":yield*At(t);break;case"object-row-table":yield*St(t);break;default:throw new Error(`Unknown row type ${e}`)}}function*At(t,e=[]){let r=h(t);for(let s=0;s<r;s++)yield E(t,s,e)}function*St(t,e={}){let r=h(t);for(let s=0;s<r;s++)yield N(t,s,e)}var p=class{name;type;nullable;metadata;constructor(e,r,s=!1,a=new Map){this.name=e,this.type=r,this.nullable=s,this.metadata=a}get typeId(){return this.type&&this.type.typeId}clone(){return new p(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return`${JSON.stringify(this.type)}${this.nullable?", nullable":""}${this.metadata?`, metadata: ${JSON.stringify(this.metadata)}`:""}`}};var d=class{fields;metadata;constructor(e,r=new Map){this.fields=e.map(s=>new p(s.name,s.type,s.nullable,s.metadata)),this.metadata=r instanceof Map?r:new Map(Object.entries(r))}compareTo(e){if(this.metadata!==e.metadata||this.fields.length!==e.fields.length)return!1;for(let r=0;r<this.fields.length;++r)if(!this.fields[r].compareTo(e.fields[r]))return!1;return!0}select(...e){let r=Object.create(null);for(let a of e)r[a]=!0;let s=this.fields.filter(a=>r[a.name]);return new d(s,this.metadata)}selectAt(...e){let r=e.map(s=>this.fields[s]).filter(Boolean);return new d(r,this.metadata)}assign(e){let r,s=this.metadata;if(e instanceof d){let c=e;r=c.fields,s=zt(zt(new Map,this.metadata),c.metadata)}else r=e;let a=Object.create(null);for(let c of this.fields)a[c.name]=c;for(let c of r)a[c.name]=c;let u=Object.values(a);return new d(u,s)}};function zt(t,e){return new Map([...t||new Map,...e||new Map])}function W(t,e="float32"){return t instanceof Date?"date-millisecond":t instanceof Number?e:typeof t=="string"?"utf8":(t===null||t==="undefined","null")}function Y(t){let e=jt(t);return e!=="null"?{type:e,nullable:!1}:t.length>0?(e=W(t[0]),{type:e,nullable:!0}):{type:"null",nullable:!0}}function jt(t){switch(t.constructor){case Int8Array:return"int8";case Uint8Array:case Uint8ClampedArray:return"uint8";case Int16Array:return"int16";case Uint16Array:return"uint16";case Int32Array:return"int32";case Uint32Array:return"uint32";case Float32Array:return"float32";case Float64Array:return"float64";default:return"null"}}function $t(t,e){if(!e)switch(t){case"int8":return Int8Array;case"uint8":return Uint8Array;case"int16":return Int16Array;case"uint16":return Uint16Array;case"int32":return Int32Array;case"uint32":return Uint32Array;case"float32":return Float32Array;case"float64":return Float64Array;default:break}return Array}function w(t){switch(t.shape){case"array-row-table":case"object-row-table":return he(t.data);case"geojson-table":return me(t.features);case"columnar-table":return ue(t.data);case"arrow-table":default:throw new Error("Deduce schema")}}function ue(t){let e=[];for(let[r,s]of Object.entries(t)){let a=de(s,r);e.push(a)}return{fields:e,metadata:{}}}function he(t){if(!t.length)throw new Error("deduce from empty table");let e=[],r=t[0];for(let[s,a]of Object.entries(r))e.push(Wt(a,s));return{fields:e,metadata:{}}}function me(t){if(!t.length)throw new Error("deduce from empty table");let e=[],r=t[0].properties||{};for(let[s,a]of Object.entries(r))e.push(Wt(a,s));return{fields:e,metadata:{}}}function de(t,e){if(ArrayBuffer.isView(t)){let r=Y(t);return{name:e,type:r.type||"null",nullable:r.nullable}}if(Array.isArray(t)&&t.length>0){let r=t[0],s=W(r);return{name:e,type:s,nullable:!0}}throw new Error("empty table")}function Wt(t,e){let r=W(t);return{name:e,type:r,nullable:!0}}var It=class{table;columnName;constructor(e,r){this.table=e,this.columnName=r}get(e){return j(this.table,e,this.columnName)}toArray(){switch(this.table.shape){case"arrow-table":return this.table.data.getChild(this.columnName)?.toArray();case"columnar-table":return this.table.data[this.columnName];default:throw new Error(this.table.shape)}}},P=class{schema;table;constructor(e){let r=e.schema||w(e);this.schema=new d(r.fields,r.metadata),this.table={...e,schema:r}}get data(){return this.table.shape==="geojson-table"?this.table.features:this.table.data}get numCols(){return $(this.table)}get length(){return h(this.table)}getChild(e){return new 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o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.data[e][t.schema.fields[n].name];return o}return Object.values(t.data[e]);case"geojson-table":if(t.schema){let o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.features[e][t.schema.fields[n].name];return o}return Object.values(t.features[e]);case"columnar-table":if(t.schema){let o=r||[];for(let n=0;n<t.schema.fields.length;n++)o[n]=t.data[t.schema.fields[n].name][e];return o}else{let o=r||[],n=0;for(let g of Object.values(t.data))o[n]=g[e],n++;return o}case"arrow-table":let a=t.data,u=r||[],c=a.get(e),l=a.schema;for(let o=0;o<l.fields.length;o++)u[o]=c?.[l.fields[o].name];return u;default:throw new Error("shape")}}function*zt(t,e){switch(e){case"array-row-table":yield*jt(t);break;case"object-row-table":yield*It(t);break;default:throw new Error(`Unknown row type ${e}`)}}function*jt(t,e=[]){let r=h(t);for(let s=0;s<r;s++)yield E(t,s,e)}function*It(t,e={}){let r=h(t);for(let s=0;s<r;s++)yield N(t,s,e)}var p=class{name;type;nullable;metadata;constructor(e,r,s=!1,a=new Map){this.name=e,this.type=r,this.nullable=s,this.metadata=a}get typeId(){return this.type&&this.type.typeId}clone(){return new p(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return`${JSON.stringify(this.type)}${this.nullable?", nullable":""}${this.metadata?`, metadata: ${JSON.stringify(this.metadata)}`:""}`}};var d=class{fields;metadata;constructor(e,r=new Map){this.fields=e.map(s=>new p(s.name,s.type,s.nullable,s.metadata)),this.metadata=r instanceof Map?r:new Map(Object.entries(r))}compareTo(e){if(this.metadata!==e.metadata||this.fields.length!==e.fields.length)return!1;for(let r=0;r<this.fields.length;++r)if(!this.fields[r].compareTo(e.fields[r]))return!1;return!0}select(...e){let r=Object.create(null);for(let a of e)r[a]=!0;let s=this.fields.filter(a=>r[a.name]);return new d(s,this.metadata)}selectAt(...e){let r=e.map(s=>this.fields[s]).filter(Boolean);return new d(r,this.metadata)}assign(e){let r,s=this.metadata;if(e instanceof d){let c=e;r=c.fields,s=$t($t(new Map,this.metadata),c.metadata)}else r=e;let a=Object.create(null);for(let c of this.fields)a[c.name]=c;for(let c of r)a[c.name]=c;let u=Object.values(a);return new d(u,s)}};function $t(t,e){return new Map([...t||new Map,...e||new Map])}function w(t){switch(t.shape){case"array-row-table":case"object-row-table":return he(t.data);case"geojson-table":return me(t.features);case"columnar-table":return ue(t.data);case"arrow-table":default:throw new Error("Deduce schema")}}function ue(t){let e=[];for(let[r,s]of Object.entries(t)){let a=de(s,r);e.push(a)}return{fields:e,metadata:{}}}function he(t){if(!t.length)throw new Error("deduce from empty table");let e=[],r=t[0];for(let[s,a]of Object.entries(r))e.push(Wt(a,s));return{fields:e,metadata:{}}}function me(t){if(!t.length)throw new Error("deduce from empty table");let e=[],r=t[0].properties||{};for(let[s,a]of Object.entries(r))e.push(Wt(a,s));return{fields:e,metadata:{}}}function de(t,e){if(ArrayBuffer.isView(t)){let r=v(t);return{name:e,type:r.type||"null",nullable:r.nullable}}if(Array.isArray(t)&&t.length>0){let r=t[0],s=k(r);return{name:e,type:s,nullable:!0}}throw new Error("empty table")}function Wt(t,e){let r=k(t);return{name:e,type:r,nullable:!0}}var Tt=class{table;columnName;constructor(e,r){this.table=e,this.columnName=r}get(e){return j(this.table,e,this.columnName)}toArray(){switch(this.table.shape){case"arrow-table":return this.table.data.getChild(this.columnName)?.toArray();case"columnar-table":return this.table.data[this.columnName];default:throw new Error(this.table.shape)}}},q=class{schema;table;constructor(e){let r=e.schema||w(e);this.schema=new d(r.fields,r.metadata),this.table={...e,schema:r}}get data(){return this.table.shape==="geojson-table"?this.table.features:this.table.data}get numCols(){return P(this.table)}get length(){return h(this.table)}getChild(e){return new Tt(this.table,e)}};function Yt(t){let e;switch(fe(t)){case"array-row-table":e={shape:"array-row-table",data:t};break;case"object-row-table":e={shape:"object-row-table",data:t};break;case"columnar-table":e={shape:"columnar-table",data:t};break;default:throw new Error("table")}let r=w(e);return{...e,schema:r}}function fe(t){if(Array.isArray(t)){if(t.length===0)throw new Error("cannot deduce type of empty table");let e=t[0];if(Array.isArray(e))return"array-row-table";if(e&&typeof e=="object")return"object-row-table"}if(t&&typeof t=="object")return"columnar-table";throw new Error("invalid table")}function Pt(t){return{...t,length:h(t),batchType:"data"}}async function qt(t){let e,r,s,a=null,u;for await(let c of t)switch(a=a||c.shape,u=u||c.schema,c.shape){case"array-row-table":e=e||[];for(let l=0;l<h(c);l++){let o=c.data[l];e.push(o)}break;case"object-row-table":r=r||[];for(let l=0;l<h(c);l++){let o=c.data[l];r.push(o)}break;case"geojson-table":s=s||[];for(let l=0;l<h(c);l++){let o=c.features[l];s.push(o)}break;case"columnar-table":case"arrow-table":default:throw new Error("shape")}if(!a)return null;switch(a){case"array-row-table":return{shape:"array-row-table",data:e,schema:u};case"object-row-table":return{shape:"object-row-table",data:r,schema:u};case"geojson-table":return{shape:"geojson-table",type:"FeatureCollection",features:s,schema:u};default:return null}}function Ht(t,e){let r=L(t.type,t.nullable);return new r(e)}function Jt(t,e){switch(e){case"object-row-table":return be(t);case"array-row-table":return we(t);case"columnar-table":return ge(t);case"arrow-table":return pe(t);default:throw new Error(e)}}function pe(t){let e=globalThis.__loaders?._makeArrowTable;if(!e)throw new Error("");return e(t)}function ge(t){let e=t.schema||w(t),r=t.schema?.fields||[];if(t.shape==="columnar-table")return{...t,schema:e};let s=h(t),a={};for(let u of r){let c=Ht(u,s);a[u.name]=c;for(let l=0;l<s;l++)c[l]=j(t,l,u.name)}return{shape:"columnar-table",schema:e,data:a}}function we(t){if(t.shape==="array-row-table")return t;let e=h(t),r=new Array(e);for(let s=0;s<e;s++)r[s]=E(t,s);return{shape:"array-row-table",schema:t.schema,data:r}}function be(t){if(t.shape==="object-row-table")return t;let e=h(t),r=new Array(e);for(let s=0;s<e;s++)r[s]=N(t,s);return{shape:"object-row-table",schema:t.schema,data:r}}function Vt(t){let e=0;for(let r in t){let s=t[r];ArrayBuffer.isView(s)&&(e+=s.byteLength*s.BYTES_PER_ELEMENT)}return e}function Gt(t){let e=1/0,r=1/0,s=1/0,a=-1/0,u=-1/0,c=-1/0,l=t.POSITION?t.POSITION.value:[],o=l&&l.length;for(let n=0;n<o;n+=3){let g=l[n],D=l[n+1],_=l[n+2];e=g<e?g:e,r=D<r?D:r,s=_<s?_:s,a=g>a?g:a,u=D>u?D:u,c=_>c?_:c}return[[e,r,s],[a,u,c]]}function Xt(t,e={}){return{fields:ye(t),metadata:e}}function Ot(t,e,r){let s=At(e.value),a=r||Ft(e);return{name:t,type:{type:"fixed-size-list",listSize:e.size,children:[{name:"value",type:s}]},nullable:!1,metadata:a}}function ye(t){let e=[];for(let r in t){let s=t[r];e.push(Ot(r,s))}return e}function Ft(t){let e={};return"byteOffset"in t&&(e.byteOffset=t.byteOffset.toString(10)),"byteStride"in t&&(e.byteStride=t.byteStride.toString(10)),"normalized"in t&&(e.normalized=t.normalized.toString()),e}var i;(function(t){t[t.NONE=0]="NONE",t[t.Null=1]="Null",t[t.Int=2]="Int",t[t.Float=3]="Float",t[t.Binary=4]="Binary",t[t.Utf8=5]="Utf8",t[t.Bool=6]="Bool",t[t.Decimal=7]="Decimal",t[t.Date=8]="Date",t[t.Time=9]="Time",t[t.Timestamp=10]="Timestamp",t[t.Interval=11]="Interval",t[t.List=12]="List",t[t.Struct=13]="Struct",t[t.Union=14]="Union",t[t.FixedSizeBinary=15]="FixedSizeBinary",t[t.FixedSizeList=16]="FixedSizeList",t[t.Map=17]="Map",t[t.Dictionary=-1]="Dictionary",t[t.Int8=-2]="Int8",t[t.Int16=-3]="Int16",t[t.Int32=-4]="Int32",t[t.Int64=-5]="Int64",t[t.Uint8=-6]="Uint8",t[t.Uint16=-7]="Uint16",t[t.Uint32=-8]="Uint32",t[t.Uint64=-9]="Uint64",t[t.Float16=-10]="Float16",t[t.Float32=-11]="Float32",t[t.Float64=-12]="Float64",t[t.DateDay=-13]="DateDay",t[t.DateMillisecond=-14]="DateMillisecond",t[t.TimestampSecond=-15]="TimestampSecond",t[t.TimestampMillisecond=-16]="TimestampMillisecond",t[t.TimestampMicrosecond=-17]="TimestampMicrosecond",t[t.TimestampNanosecond=-18]="TimestampNanosecond",t[t.TimeSecond=-19]="TimeSecond",t[t.TimeMillisecond=-20]="TimeMillisecond",t[t.TimeMicrosecond=-21]="TimeMicrosecond",t[t.TimeNanosecond=-22]="TimeNanosecond",t[t.DenseUnion=-23]="DenseUnion",t[t.SparseUnion=-24]="SparseUnion",t[t.IntervalDayTime=-25]="IntervalDayTime",t[t.IntervalYearMonth=-26]="IntervalYearMonth"})(i||(i={}));var m=class{static isNull(e){return e&&e.typeId===i.Null}static isInt(e){return e&&e.typeId===i.Int}static isFloat(e){return e&&e.typeId===i.Float}static isBinary(e){return e&&e.typeId===i.Binary}static isUtf8(e){return e&&e.typeId===i.Utf8}static isBool(e){return e&&e.typeId===i.Bool}static isDecimal(e){return e&&e.typeId===i.Decimal}static isDate(e){return e&&e.typeId===i.Date}static isTime(e){return e&&e.typeId===i.Time}static isTimestamp(e){return e&&e.typeId===i.Timestamp}static isInterval(e){return e&&e.typeId===i.Interval}static isList(e){return e&&e.typeId===i.List}static isStruct(e){return e&&e.typeId===i.Struct}static isUnion(e){return e&&e.typeId===i.Union}static isFixedSizeBinary(e){return e&&e.typeId===i.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===i.FixedSizeList}static isMap(e){return e&&e.typeId===i.Map}static isDictionary(e){return e&&e.typeId===i.Dictionary}get typeId(){return i.NONE}compareTo(e){return this===e}},H=class extends m{get typeId(){return i.Null}get[Symbol.toStringTag](){return"Null"}toString(){return"Null"}},J=class extends m{get typeId(){return i.Bool}get[Symbol.toStringTag](){return"Bool"}toString(){return"Bool"}},f=class extends m{isSigned;bitWidth;constructor(e,r){super(),this.isSigned=e,this.bitWidth=r}get typeId(){return i.Int}get[Symbol.toStringTag](){return"Int"}toString(){return`${this.isSigned?"I":"Ui"}nt${this.bitWidth}`}},V=class extends f{constructor(){super(!0,8)}},G=class extends f{constructor(){super(!0,16)}},X=class extends f{constructor(){super(!0,32)}},Z=class extends f{constructor(){super(!0,64)}},K=class extends f{constructor(){super(!1,8)}},Q=class extends f{constructor(){super(!1,16)}},tt=class extends f{constructor(){super(!1,32)}},et=class extends f{constructor(){super(!1,64)}},Rt={HALF:16,SINGLE:32,DOUBLE:64},x=class extends m{precision;constructor(e){super(),this.precision=e}get typeId(){return i.Float}get[Symbol.toStringTag](){return"Float"}toString(){return`Float${this.precision}`}},rt=class extends x{constructor(){super(Rt.HALF)}},st=class extends x{constructor(){super(Rt.SINGLE)}},at=class extends x{constructor(){super(Rt.DOUBLE)}},ot=class extends m{constructor(){super()}get typeId(){return i.Binary}toString(){return"Binary"}get[Symbol.toStringTag](){return"Binary"}},nt=class extends m{get typeId(){return i.Utf8}get[Symbol.toStringTag](){return"Utf8"}toString(){return"Utf8"}},Nt={DAY:0,MILLISECOND:1},I=class extends m{unit;constructor(e){super(),this.unit=e}get typeId(){return i.Date}get[Symbol.toStringTag](){return"Date"}toString(){return`Date${(this.unit+1)*32}<${Nt[this.unit]}>`}},it=class extends I{constructor(){super(Nt.DAY)}},ct=class extends I{constructor(){super(Nt.MILLISECOND)}},y={SECOND:1,MILLISECOND:1e3,MICROSECOND:1e6,NANOSECOND:1e9},T=class extends m{unit;bitWidth;constructor(e,r){super(),this.unit=e,this.bitWidth=r}get typeId(){return i.Time}toString(){return`Time${this.bitWidth}<${y[this.unit]}>`}get[Symbol.toStringTag](){return"Time"}},lt=class extends T{constructor(){super(y.SECOND,32)}},ut=class extends T{constructor(){super(y.MILLISECOND,32)}},b=class extends m{unit;timezone;constructor(e,r=null){super(),this.unit=e,this.timezone=r}get typeId(){return i.Timestamp}get[Symbol.toStringTag](){return"Timestamp"}toString(){return`Timestamp<${y[this.unit]}${this.timezone?`, ${this.timezone}`:""}>`}},ht=class extends b{constructor(e=null){super(y.SECOND,e)}},mt=class extends b{constructor(e=null){super(y.MILLISECOND,e)}},dt=class extends b{constructor(e=null){super(y.MICROSECOND,e)}},ft=class extends b{constructor(e=null){super(y.NANOSECOND,e)}},Et={DAY_TIME:0,YEAR_MONTH:1},O=class extends m{unit;constructor(e){super(),this.unit=e}get typeId(){return i.Interval}get[Symbol.toStringTag](){return"Interval"}toString(){return`Interval<${Et[this.unit]}>`}},pt=class extends O{constructor(){super(Et.DAY_TIME)}},gt=class extends O{constructor(){super(Et.YEAR_MONTH)}},wt=class extends m{listSize;children;constructor(e,r){super(),this.listSize=e,this.children=[r]}get typeId(){return i.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[Symbol.toStringTag](){return"FixedSizeList"}toString(){return`FixedSizeList[${this.listSize}]<${JSON.stringify(this.valueType)}>`}},bt=class extends m{children;constructor(e){super(),this.children=e}get typeId(){return i.Struct}toString(){return`Struct<{${this.children.map(e=>`${e.name}:${JSON.stringify(e.type)}`).join(", ")}}>`}get[Symbol.toStringTag](){return"Struct"}};function Zt(t){return{typeId:t.typeId,ArrayType:t.ArrayType,typeName:t.toString(),typeEnumName:xe(t.typeId),precision:t.precision}}var yt=null;function xe(t){if(!yt){yt={};for(let e in i)yt[i[e]]=e}return yt[t]}var xt=class extends Array{enqueue(e){return this.push(e)}dequeue(){return this.shift()}},B=class{_values;_settlers;_closed;constructor(){this._values=new xt,this._settlers=new xt,this._closed=!1}close(){for(;this._settlers.length>0;)this._settlers.dequeue().resolve({done:!0});this._closed=!0}[Symbol.asyncIterator](){return this}enqueue(e){if(this._closed)throw new Error("Closed");if(this._settlers.length>0){if(this._values.length>0)throw new Error("Illegal internal state");let r=this._settlers.dequeue();e instanceof Error?r.reject(e):r.resolve({value:e})}else this._values.enqueue(e)}next(){if(this._values.length>0){let e=this._values.dequeue();return e instanceof Error?Promise.reject(e):Promise.resolve({value:e})}if(this._closed){if(this._settlers.length>0)throw new Error("Illegal internal state");return Promise.resolve({done:!0})}return new Promise((e,r)=>{this._settlers.enqueue({resolve:e,reject:r})})}};return ie(C);})();
       return __exports__;
       });

dist/index.d.ts

 export type { TypedArray, BigTypedArray, TypedArrayConstructor, BigTypedArrayConstructor, NumberArray, ArrayType, AnyArray } from "./types/types.js";
 export type { Schema, Field, DataType, SchemaMetadata, FieldMetadata } from "./types/schema.js";
 export type { Batch } from "./types/batch.js";
+export { getArrayTypeFromDataType } from "./lib/table/simple-table/data-type.js";
 export type { Table, RowTable, ArrayRowTable, ObjectRowTable, GeoJSONTable, ColumnarTable, ArrowTable, Tables } from "./types/category-table.js";
@@ -5,0 +6,0 @@ export type { TableBatch, ArrayRowTableBatch, ObjectRowTableBatch, GeoJSONTableBatch, ColumnarTableBatch, ArrowTableBatch } from "./types/category-table.js";

dist/index.js

 // loaders.gl
 // SPDX-License-Identifier: MIT
 // Copyright (c) vis.gl contributors
+export { getArrayTypeFromDataType } from "./lib/table/simple-table/data-type.js";
 // TABLE CATEGORY UTILS
@@ -5,0 +6,0 @@ export { TableBatchBuilder } from "./lib/table/batches/table-batch-builder.js";

package.json

 {
   "name": "@loaders.gl/schema",
-  "version": "4.3.0-alpha.3",
+  "version": "4.3.0-alpha.4",
   "description": "Table format APIs for JSON, CSV, etc...",
@@ -49,3 +49,3 @@ "license": "MIT",
   },
-  "gitHead": "3213679d79e6ff2814d48fd3337acfa446c74099"
+  "gitHead": "4900ac4c4de20366c050b80cef04dc5b52d167af"
 }

src/index.ts

@@ -16,6 +16,9 @@ // loaders.gl
 
+// SCHEMAS AND DATA TYPES
+
 export type {Schema, Field, DataType, SchemaMetadata, FieldMetadata} from './types/schema';
-
 export type {Batch} from './types/batch';
 
+export {getArrayTypeFromDataType} from './lib/table/simple-table/data-type';
+
 // TABLE CATEGORY TYPES
@@ -22,0 +25,0 @@ export type {

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Lines of code

10604

increased by0.06%

No dependency changes