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shapefile - npm Package Compare versions

Comparing version 0.5.9 to 0.5.10

2

dist/shapefile.js

@@ -1,2 +0,2 @@

// https://github.com/mbostock/shapefile Version 0.5.9. Copyright 2016 Mike Bostock.
// https://github.com/mbostock/shapefile Version 0.5.10. Copyright 2017 Mike Bostock.
(function (global, factory) {

@@ -3,0 +3,0 @@ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :

2

dist/shapefile.min.js

@@ -1,2 +0,2 @@

// https://github.com/mbostock/shapefile Version 0.5.9. Copyright 2016 Mike Bostock.
// https://github.com/mbostock/shapefile Version 0.5.10. Copyright 2017 Mike Bostock.
!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(e.shapefile=e.shapefile||{})}(this,function(e){"use strict";function n(e){return new t(e instanceof Uint8Array?e:new Uint8Array(e))}function t(e){this._array=e}function r(e){return("function"==typeof fetch?x:m)(e)}function o(e){return"function"==typeof e.read?e:e.getReader()}function i(e,n){if(!e.length)return n;if(!n.length)return e;var t=new Uint8Array(e.length+n.length);return t.set(e),t.set(n,e.length),t}function u(e){return"function"==typeof e.slice?e:new a("function"==typeof e.read?e:e.getReader())}function a(e){this._source=e,this._array=A,this._index=0}function f(e,n,t,r){this._source=e,this._decode=n.decode.bind(n),this._recordLength=t.getUint16(10,!0),this._fields=[];for(var o=0;13!==r.getUint8(o);o+=32){for(var i=0;i<11&&0!==r.getUint8(o+i);++i);this._fields.push({name:this._decode(new Uint8Array(r.buffer,r.byteOffset+o,i)),type:String.fromCharCode(r.getUint8(o+11)),length:r.getUint8(o+16)})}}function c(){return this._source.cancel()}function s(e){if((n=e.length)<4)return!1;for(var n,t=0,r=e[n-1][1]*e[0][0]-e[n-1][0]*e[0][1];++t<n;)r+=e[t-1][1]*e[t][0]-e[t-1][0]*e[t][1];return r>=0}function l(e,n){for(var t,r=-1,o=n.length;++r<o;)if(t=h(e,n[r]))return t>0;return!1}function h(e,n){for(var t=n[0],r=n[1],o=-1,i=0,u=e.length,a=u-1;i<u;a=i++){var f=e[i],c=f[0],s=f[1],l=e[a],h=l[0],y=l[1];if(d(f,l,n))return 0;s>r!=y>r&&t<(h-c)*(r-s)/(y-s)+c&&(o=-o)}return o}function d(e,n,t){var r=t[0]-e[0],o=t[1]-e[1];if(0===r&&0===o)return!0;var i=n[0]-e[0],u=n[1]-e[1];if(0===i&&0===u)return!1;var a=(r*i+o*u)/(i*i+u*u);return!(a<0||a>1)&&(0===a||1===a||a*i===r&&a*u===o)}function y(e,n){var t=n.getInt32(32,!0);if(!(t in H))throw new Error("unsupported shape type: "+t);this._source=e,this._type=H[t],this.bbox=[n.getFloat64(36,!0),n.getFloat64(44,!0),n.getFloat64(52,!0),n.getFloat64(60,!0)]}function g(){}function p(e,n){this._shp=e,this._dbf=n,this.bbox=e.bbox}function v(e,t,i){return"string"==typeof t?(/\.dbf$/.test(t)||(t+=".dbf"),t=r(t,i)):t instanceof ArrayBuffer||t instanceof Uint8Array?t=n(t):null!=t&&(t=o(t)),"string"==typeof e?(/\.shp$/.test(e)||(e+=".shp"),void 0===t&&(t=r(e.substring(0,e.length-4)+".dbf",i).catch(function(){})),e=r(e,i)):e=e instanceof ArrayBuffer||e instanceof Uint8Array?n(e):o(e),Promise.all([e,t]).then(function(e){var n=e[0],t=e[1],r="windows-1252";return i&&null!=i.encoding&&(r=i.encoding),J(n,t,t&&new TextDecoder(r))})}function _(e,n,t){return v(e,n,t).then(function(e){var n=[],t={type:"FeatureCollection",features:n,bbox:e.bbox};return e.read().then(function r(o){return o.done?t:(n.push(o.value),e.read().then(r))})})}var b=function(){return this._array=null,Promise.resolve()},w=function(){var e=this._array;return this._array=null,Promise.resolve(e?{done:!1,value:e}:{done:!0,value:void 0})};t.prototype.read=w,t.prototype.cancel=b;var x=function(e){return fetch(e).then(function(e){return e.body&&e.body.getReader?e.body.getReader():e.arrayBuffer().then(n)})},m=function(e){return new Promise(function(t,r){var o=new XMLHttpRequest;o.responseType="arraybuffer",o.onload=function(){t(n(o.response))},o.onerror=r,o.ontimeout=r,o.open("GET",e,!0),o.send()})},A=new Uint8Array(0),F=function(){return this._source.cancel()},U=function(){var e=this,n=e._array.subarray(e._index);return e._source.read().then(function(t){return e._array=A,e._index=0,t.done?n.length>0?{done:!1,value:n}:{done:!0,value:void 0}:{done:!1,value:i(n,t.value)}})},P=function(e){if((e|=0)<0)throw new Error("invalid length");var n=this,t=this._array.length-this._index;if(this._index+e<=this._array.length)return Promise.resolve(this._array.subarray(this._index,this._index+=e));var r=new Uint8Array(e);return r.set(this._array.subarray(this._index)),function o(){return n._source.read().then(function(i){return i.done?(n._array=A,n._index=0,t>0?r.subarray(0,t):null):t+i.value.length>=e?(n._array=i.value,n._index=e-t,r.set(i.value.subarray(0,e-t),t),r):(r.set(i.value,t),t+=i.value.length,o())})}()};a.prototype.read=U,a.prototype.slice=P,a.prototype.cancel=F;var I=function(){return this._source.cancel()},L=function(e){return!/^[nf]$/i.test(e)&&(!!/^[yt]$/i.test(e)||null)},M=function(e){return new Date(+e.substring(0,4),e.substring(4,6)-1,+e.substring(6,8))},E=function(e){return isNaN(e=+e)?null:e},R=function(e){return e.trim()||null},B={B:E,C:R,D:M,F:E,L:L,M:E,N:E},C=function(){var e=this,n=1;return e._source.slice(e._recordLength).then(function(t){return t?{done:!1,value:e._fields.reduce(function(r,o){return r[o.name]=B[o.type](e._decode(t.subarray(n,n+=o.length))),r},{})}:{done:!0,value:void 0}})},D=function(e){return new DataView(e.buffer,e.byteOffset,e.byteLength)},$=function(e,n){return e=u(e),e.slice(32).then(function(t){var r=D(t);return e.slice(r.getUint16(8,!0)-32).then(function(t){return new f(e,n,r,D(t))})})},N=f.prototype;N.read=C,N.cancel=I;var O=function(e){var n,t=40,r=e.getInt32(36,!0),o=new Array(r);for(n=0;n<r;++n,t+=16)o[n]=[e.getFloat64(t,!0),e.getFloat64(t+8,!0)];return{type:"MultiPoint",coordinates:o}},S=function(){return null},T=function(e){return{type:"Point",coordinates:[e.getFloat64(4,!0),e.getFloat64(12,!0)]}},j=function(e){var n,t=44,r=e.getInt32(36,!0),o=e.getInt32(40,!0),i=new Array(r),u=new Array(o),a=[],f=[];for(n=0;n<r;++n,t+=4)i[n]=e.getInt32(t,!0);for(n=0;n<o;++n,t+=16)u[n]=[e.getFloat64(t,!0),e.getFloat64(t+8,!0)];return i.forEach(function(e,n){var t=u.slice(e,i[n+1]);s(t)?a.push([t]):f.push(t)}),f.forEach(function(e){a.some(function(n){if(l(n[0],e))return n.push(e),!0})||a.push([e])}),1===a.length?{type:"Polygon",coordinates:a[0]}:{type:"MultiPolygon",coordinates:a}},q=function(e){var n,t=44,r=e.getInt32(36,!0),o=e.getInt32(40,!0),i=new Array(r),u=new Array(o);for(n=0;n<r;++n,t+=4)i[n]=e.getInt32(t,!0);for(n=0;n<o;++n,t+=16)u[n]=[e.getFloat64(t,!0),e.getFloat64(t+8,!0)];return 1===r?{type:"LineString",coordinates:u}:{type:"MultiLineString",coordinates:i.map(function(e,n){return u.slice(e,i[n+1])})}},G=function(){var e=this;return e._source.slice(8).then(function(n){if(null==n)return{done:!0,value:void 0};var t=D(n);return e._source.slice(2*t.getInt32(4,!1)).then(function(n){var t=D(n);return{done:!1,value:t.getInt32(0,!0)?e._type(t):S()}})})},H={0:S,1:T,3:q,5:j,8:O,11:T,13:q,15:j,18:O},V=function(e){return e=u(e),e.slice(100).then(function(n){return new y(e,D(n))})},X=y.prototype;X.read=G,X.cancel=c;var k=function(){return Promise.all([this._dbf&&this._dbf.cancel(),this._shp.cancel()]).then(g)},z=function(){var e=this;return Promise.all([e._dbf?e._dbf.read():{value:{}},e._shp.read()]).then(function(e){var n=e[0],t=e[1];return t.done?t:{done:!1,value:{type:"Feature",properties:n.value,geometry:t.value}}})},J=function(e,n,t){return Promise.all([V(e),n&&$(n,t)]).then(function(e){return new p(e[0],e[1])})},K=p.prototype;K.read=z,K.cancel=k,e.open=v,e.read=_,Object.defineProperty(e,"__esModule",{value:!0})});

4

package.json
{
"name": "shapefile",
"version": "0.5.9",
"version": "0.5.10",
"description": "An implementation of the shapefile (.shp) spatial data format.",

@@ -37,3 +37,3 @@ "keywords": [

"stream-source": "0.3",
"text-encoding": "0.6"
"text-encoding": "0.6.1"
},

@@ -40,0 +40,0 @@ "devDependencies": {

2

README.md

@@ -43,3 +43,3 @@ # Streaming Shapefile Parser

For a live example, see [bl.ocks.org/2dd741099154a4da55a7db31fd96a892](http://bl.ocks.org/mbostock/2dd741099154a4da55a7db31fd96a892). See also [ndjson-cli](https://github.com/mbostock/ndjson-cli) for examples of manipulating GeoJSON using newline-delimited JSON streams.
For a live example, see [bl.ocks.org/2dd741099154a4da55a7db31fd96a892](http://bl.ocks.org/mbostock/2dd741099154a4da55a7db31fd96a892). See also [ndjson-cli](https://github.com/mbostock/ndjson-cli) for examples of manipulating GeoJSON using newline-delimited JSON streams. See [Command-Line Cartography](https://medium.com/@mbostock/command-line-cartography-part-1-897aa8f8ca2c) for a longer introduction.

@@ -46,0 +46,0 @@ This parser implementation is based on the [ESRI Shapefile Technical Description](http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf) and [dBASE Table File Format](http://www.digitalpreservation.gov/formats/fdd/fdd000325.shtml). Caveat emptor: this is a work in progress and does not currently support all shapefile geometry types. It only supports dBASE III and has little error checking. Please contribute if you want to help!

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