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added parsing of projjson
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@DanielJDufour
DanielJDufour committed Jul 4, 2023
1 parent a1d369d commit 28b3da3
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2 changes: 1 addition & 1 deletion README.md
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# get-epsg-code: *beta*
Gets the EPSG Code for Nearly All Coordinate Reference System Formats (including. OGC WKT, ESRI WKT, GeoServer Config, Mapfile, Mapnik Config, PostGIS Statement, PROJ String, Proj4js String)
Gets the EPSG Code for Nearly All Coordinate Reference System Formats (including OGC WKT, ESRI WKT, GeoServer Config, Mapfile, Mapnik Config, PostGIS Statement, PROJJSON, PROJ String, and Proj4JS String)

# usage
```javascript
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108 changes: 50 additions & 58 deletions demo/get-epsg-code.web.js
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Expand Up @@ -4,9 +4,9 @@
return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
};

// node_modules/.pnpm/b64ab@0.0.1/node_modules/b64ab/b64ab.js
// node_modules/b64ab/b64ab.js
var require_b64ab = __commonJS({
"node_modules/.pnpm/b64ab@0.0.1/node_modules/b64ab/b64ab.js"(exports, module) {
"node_modules/b64ab/b64ab.js"(exports, module) {
var b64ab = {};
b64ab.char2bits = {
0: "110100",
Expand Down Expand Up @@ -140,9 +140,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/index-of-match.js
// node_modules/xml-utils/index-of-match.js
var require_index_of_match = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/index-of-match.js"(exports, module) {
"node_modules/xml-utils/index-of-match.js"(exports, module) {
function indexOfMatch(xml, pattern, startIndex) {
const re = new RegExp(pattern);
const match = re.exec(xml.slice(startIndex));
Expand All @@ -156,9 +156,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/index-of-match-end.js
// node_modules/xml-utils/index-of-match-end.js
var require_index_of_match_end = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/index-of-match-end.js"(exports, module) {
"node_modules/xml-utils/index-of-match-end.js"(exports, module) {
function indexOfMatchEnd(xml, pattern, startIndex) {
const re = new RegExp(pattern);
const match = re.exec(xml.slice(startIndex));
Expand All @@ -172,9 +172,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/count-substring.js
// node_modules/xml-utils/count-substring.js
var require_count_substring = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/count-substring.js"(exports, module) {
"node_modules/xml-utils/count-substring.js"(exports, module) {
function countSubstring(string, substring) {
const pattern = new RegExp(substring, "g");
const match = string.match(pattern);
Expand All @@ -185,9 +185,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tag-by-name.js
// node_modules/xml-utils/find-tag-by-name.js
var require_find_tag_by_name = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tag-by-name.js"(exports, module) {
"node_modules/xml-utils/find-tag-by-name.js"(exports, module) {
var indexOfMatch = require_index_of_match();
var indexOfMatchEnd = require_index_of_match_end();
var countSubstring = require_count_substring();
Expand Down Expand Up @@ -244,9 +244,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tags-by-name.js
// node_modules/xml-utils/find-tags-by-name.js
var require_find_tags_by_name = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tags-by-name.js"(exports, module) {
"node_modules/xml-utils/find-tags-by-name.js"(exports, module) {
var findTagByName = require_find_tag_by_name();
function findTagsByName(xml, tagName, options) {
const tags = [];
Expand All @@ -271,9 +271,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tags-by-path.js
// node_modules/xml-utils/find-tags-by-path.js
var require_find_tags_by_path = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tags-by-path.js"(exports, module) {
"node_modules/xml-utils/find-tags-by-path.js"(exports, module) {
var findTagsByName = require_find_tags_by_name();
function findTagsByPath(xml, path, options) {
const debug = options && options.debug || false;
Expand Down Expand Up @@ -312,9 +312,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tag-by-path.js
// node_modules/xml-utils/find-tag-by-path.js
var require_find_tag_by_path = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/find-tag-by-path.js"(exports, module) {
"node_modules/xml-utils/find-tag-by-path.js"(exports, module) {
var findTagsByPath = require_find_tags_by_path();
function findTagByPath(xml, path, options) {
const debug = options && options.debug || false;
Expand All @@ -329,9 +329,9 @@
}
});

// node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/get-attribute.js
// node_modules/xml-utils/get-attribute.js
var require_get_attribute = __commonJS({
"node_modules/.pnpm/xml-utils@1.7.0/node_modules/xml-utils/get-attribute.js"(exports, module) {
"node_modules/xml-utils/get-attribute.js"(exports, module) {
function getAttribute(tag, attributeName, options) {
const debug = options && options.debug || false;
if (debug)
Expand All @@ -357,9 +357,9 @@
}
});

// node_modules/.pnpm/wkt-parser@1.3.3/node_modules/wkt-parser/wkt.build.js
// node_modules/wkt-parser/wkt.build.js
var require_wkt_build = __commonJS({
"node_modules/.pnpm/wkt-parser@1.3.3/node_modules/wkt-parser/wkt.build.js"(exports, module) {
"node_modules/wkt-parser/wkt.build.js"(exports, module) {
"use strict";
var NEUTRAL = 1;
var KEYWORD = 2;
Expand Down Expand Up @@ -828,9 +828,9 @@
}
});

// node_modules/.pnpm/utm-utils@0.6.0/node_modules/utm-utils/src/getCodeFromEsriWKT.js
// node_modules/utm-utils/src/getCodeFromEsriWKT.js
var require_getCodeFromEsriWKT = __commonJS({
"node_modules/.pnpm/utm-utils@0.6.0/node_modules/utm-utils/src/getCodeFromEsriWKT.js"(exports, module) {
"node_modules/utm-utils/src/getCodeFromEsriWKT.js"(exports, module) {
function getCodeFromEsriWKT(esri_wkt) {
if (!esri_wkt)
return;
Expand All @@ -850,9 +850,9 @@
}
}
if (typeof define === "function" && define.amd) {
return function() {
define(function() {
return getCodeFromEsriWKT;
};
});
}
if (typeof module === "object") {
module.exports = getCodeFromEsriWKT;
Expand All @@ -861,9 +861,9 @@
}
});

// node_modules/.pnpm/utm-utils@0.6.0/node_modules/utm-utils/src/getCodeFromProjString.js
// node_modules/utm-utils/src/getCodeFromProjString.js
var require_getCodeFromProjString = __commonJS({
"node_modules/.pnpm/utm-utils@0.6.0/node_modules/utm-utils/src/getCodeFromProjString.js"(exports, module) {
"node_modules/utm-utils/src/getCodeFromProjString.js"(exports, module) {
function getCodeFromProjString(proj) {
if (proj.includes("+proj=utm") && proj.includes("+zone=")) {
const parts = proj.split(" ");
Expand All @@ -881,9 +881,9 @@
}
}
if (typeof define === "function" && define.amd) {
return function() {
define(function() {
return getCodeFromProjString;
};
});
}
if (typeof module === "object") {
module.exports = getCodeFromProjString;
Expand Down Expand Up @@ -918,9 +918,9 @@
}
});

// node_modules/.pnpm/wkt-crs@0.2.0/node_modules/wkt-crs/wkt-crs.js
// node_modules/wkt-crs/wkt-crs.js
var require_wkt_crs = __commonJS({
"node_modules/.pnpm/wkt-crs@0.2.0/node_modules/wkt-crs/wkt-crs.js"(exports, module) {
"node_modules/wkt-crs/wkt-crs.js"(exports, module) {
function sort(data, { keywords } = {}) {
const keys = Object.keys(data).filter((k) => !/\d+/.test(k));
if (!keywords) {
Expand Down Expand Up @@ -1119,9 +1119,9 @@
}
});

// node_modules/.pnpm/is-wkt@0.2.0/node_modules/is-wkt/is-wkt.js
// node_modules/is-wkt/is-wkt.js
var require_is_wkt = __commonJS({
"node_modules/.pnpm/is-wkt@0.2.0/node_modules/is-wkt/is-wkt.js"(exports, module) {
"node_modules/is-wkt/is-wkt.js"(exports, module) {
var keywords = [
"PROJECTEDCRS",
"PROJCRS",
Expand Down Expand Up @@ -1166,9 +1166,9 @@
}
});

// enums.js
// lib/enums.js
var require_enums = __commonJS({
"enums.js"(exports, module) {
"lib/enums.js"(exports, module) {
var FORMATS = {
ESRI_WKT: "esriwkt",
GEOSERVER: "geoserver",
Expand Down Expand Up @@ -1249,28 +1249,6 @@
}
});

// lib/enums.js
var require_enums2 = __commonJS({
"lib/enums.js"(exports, module) {
var FORMATS = {
ESRI_WKT: "esriwkt",
GEOSERVER: "geoserver",
MAPFILE: "mapfile",
MAPNIK: "mapnik",
OGC_GML: "gml",
OGC_XML: "xml",
OGC_WKT: "wkt",
POSTGIS: "postgis",
PROJ_4: "proj4",
PROJ_4_JS: "js",
PROJJSON: "PROJJSON"
};
module.exports = {
FORMATS
};
}
});

// lib/data/esriwkt-mapfile-proj4.json
var require_esriwkt_mapfile_proj4 = __commonJS({
"lib/data/esriwkt-mapfile-proj4.json"(exports, module) {
Expand Down Expand Up @@ -1305,7 +1283,7 @@
var normalize_proj4 = require_proj4();
var getProjType = require_get_proj_type();
var parseProj4JS = require_proj4js();
var { FORMATS } = require_enums2();
var { FORMATS } = require_enums();
var data = require_esriwkt_mapfile_proj4();
var getDefault = (fn) => fn.default || fn;
var rows = [];
Expand Down Expand Up @@ -1342,9 +1320,11 @@
console.log("[get-epsg-code] found:", found);
return found.map((row) => row.epsg_code);
}
var { ESRI_WKT, GEOSERVER, MAPFILE, MAPNIK, OGC_GML, OGC_XML, OGC_WKT, POSTGIS, PROJ_4, PROJ_4_JS } = FORMATS;
var { ESRI_WKT, GEOSERVER, MAPFILE, MAPNIK, OGC_GML, OGC_XML, OGC_WKT, POSTGIS, PROJJSON, PROJ_4, PROJ_4_JS } = FORMATS;
function getEPSGCodes(input, options) {
var debug = options && options.debug ? options.debug : false;
if (typeof input === "string")
input = input.trim();
const dataType = getProjType(input, { debug });
if (debug)
console.log("dataType:", dataType);
Expand Down Expand Up @@ -1423,6 +1403,18 @@
type: dataType,
codes: [Number(input.substring(input.indexOf("values (") + 8, input.indexOf("EPSG") - 3).trim())]
};
} else if (dataType === PROJJSON) {
const data2 = JSON.parse(input);
if (typeof data2.id === "object") {
if (data2.id.authority === "EPSG" || !("authority" in data2.id)) {
if (typeof data2.id.code === "number") {
return {
type: dataType,
codes: [data2.id.code]
};
}
}
}
}
}
function getEPSGCode(input, options) {
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7 changes: 6 additions & 1 deletion demo/index.html
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Expand Up @@ -14,7 +14,12 @@ <h1>EPSG Code(s): <span id="result-text"></span></h1>
document.getElementById("arbitrary-input").addEventListener("keyup", function(event) {
const textValue = event.target.value;
console.log("textValue:", [textValue]);
const result = getEPSGCodes(textValue, { debug: true });
let result;
try {
result = getEPSGCodes(textValue, { debug: true });
} catch (error) {
result = null;
}
console.log("codes:", result?.codes);
document.getElementById("result-data-type").textContent = result?.type || "";
document.getElementById("result-text").textContent = result?.codes?.join(",") || "";
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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -36,7 +36,7 @@
"test:main": "node ./test/test.js",
"test:normalize": "node ./normalize/test",
"test:parse": "node ./parse/test",
"test:html": "npm run build:web:dev && http-server",
"test:html": "npm run build:dev:web && http-server",
"update-docs": "npm run test && npm run build:everything && npm run create-build-list"
},
"repository": {
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16 changes: 15 additions & 1 deletion src/index.js
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Expand Up @@ -58,12 +58,14 @@ function lookup(input, dataType, debug = false) {
return found.map(row => row.epsg_code);
}

const { ESRI_WKT, GEOSERVER, MAPFILE, MAPNIK, OGC_GML, OGC_XML, OGC_WKT, POSTGIS, PROJ_4, PROJ_4_JS } = FORMATS;
const { ESRI_WKT, GEOSERVER, MAPFILE, MAPNIK, OGC_GML, OGC_XML, OGC_WKT, POSTGIS, PROJJSON, PROJ_4, PROJ_4_JS } = FORMATS;

function getEPSGCodes(input, options) {
//console.log("starting get-epsg-code with", input, options);
var debug = options && options.debug ? options.debug : false;

if (typeof input === "string") input = input.trim();

const dataType = getProjType(input, { debug });
if (debug) console.log("dataType:", dataType);

Expand Down Expand Up @@ -143,6 +145,18 @@ function getEPSGCodes(input, options) {
type: dataType,
codes: [Number(input.substring(input.indexOf("values (") + 8, input.indexOf("EPSG") - 3).trim())]
};
} else if (dataType === PROJJSON) {
const data = JSON.parse(input);
if (typeof data.id === "object") {
if (data.id.authority === "EPSG" || !("authority" in data.id)) {
if (typeof data.id.code === "number") {
return {
type: dataType,
codes: [data.id.code]
};
}
}
}
}
}

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