feat: type-friendly export mode

hujiulong · Jan 16, 2023 · dc48766 · dc48766
1 parent a6155e8
commit dc48766
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Showing 3 changed files with 66 additions and 136 deletions.
diff --git a/src/crs/BD09MC.ts b/src/crs/BD09MC.ts
@@ -6,150 +6,66 @@ const MCBAND = [12890594.86, 8362377.87, 5591021, 3481989.83, 1678043.12, 0];
 const LLBAND = [75, 60, 45, 30, 15, 0];
 const MC2LL = [
   [
-    1.410526172116255e-8,
-    0.00000898305509648872,
-    -1.9939833816331,
-    200.9824383106796,
-    -187.2403703815547,
-    91.6087516669843,
-    -23.38765649603339,
-    2.57121317296198,
-    -0.03801003308653,
-    17337981.2,
+    1.410526172116255e-8, 0.00000898305509648872, -1.9939833816331,
+    200.9824383106796, -187.2403703815547, 91.6087516669843, -23.38765649603339,
+    2.57121317296198, -0.03801003308653, 17337981.2,
   ],
   [
-    -7.435856389565537e-9,
-    0.000008983055097726239,
-    -0.78625201886289,
-    96.32687599759846,
-    -1.85204757529826,
-    -59.36935905485877,
-    47.40033549296737,
-    -16.50741931063887,
-    2.28786674699375,
-    10260144.86,
+    -7.435856389565537e-9, 0.000008983055097726239, -0.78625201886289,
+    96.32687599759846, -1.85204757529826, -59.36935905485877, 47.40033549296737,
+    -16.50741931063887, 2.28786674699375, 10260144.86,
   ],
   [
-    -3.030883460898826e-8,
-    0.00000898305509983578,
-    0.30071316287616,
-    59.74293618442277,
-    7.357984074871,
-    -25.38371002664745,
-    13.45380521110908,
-    -3.29883767235584,
-    0.32710905363475,
-    6856817.37,
+    -3.030883460898826e-8, 0.00000898305509983578, 0.30071316287616,
+    59.74293618442277, 7.357984074871, -25.38371002664745, 13.45380521110908,
+    -3.29883767235584, 0.32710905363475, 6856817.37,
   ],
   [
-    -1.981981304930552e-8,
-    0.000008983055099779535,
-    0.03278182852591,
-    40.31678527705744,
-    0.65659298677277,
-    -4.44255534477492,
-    0.85341911805263,
-    0.12923347998204,
-    -0.04625736007561,
-    4482777.06,
+    -1.981981304930552e-8, 0.000008983055099779535, 0.03278182852591,
+    40.31678527705744, 0.65659298677277, -4.44255534477492, 0.85341911805263,
+    0.12923347998204, -0.04625736007561, 4482777.06,
   ],
   [
-    3.09191371068437e-9,
-    0.000008983055096812155,
-    0.00006995724062,
-    23.10934304144901,
-    -0.00023663490511,
-    -0.6321817810242,
-    -0.00663494467273,
-    0.03430082397953,
-    -0.00466043876332,
-    2555164.4,
+    3.09191371068437e-9, 0.000008983055096812155, 0.00006995724062,
+    23.10934304144901, -0.00023663490511, -0.6321817810242, -0.00663494467273,
+    0.03430082397953, -0.00466043876332, 2555164.4,
   ],
   [
-    2.890871144776878e-9,
-    0.000008983055095805407,
-    -3.068298e-8,
-    7.47137025468032,
-    -0.00000353937994,
-    -0.02145144861037,
-    -0.00001234426596,
-    0.00010322952773,
-    -0.00000323890364,
-    826088.5,
+    2.890871144776878e-9, 0.000008983055095805407, -3.068298e-8,
+    7.47137025468032, -0.00000353937994, -0.02145144861037, -0.00001234426596,
+    0.00010322952773, -0.00000323890364, 826088.5,
   ],
 ];
 const LL2MC = [
   [
-    -0.0015702102444,
-    111320.7020616939,
-    1704480524535203,
-    -10338987376042340,
-    26112667856603880,
-    -35149669176653700,
-    26595700718403920,
-    -10725012454188240,
-    1800819912950474,
-    82.5,
+    -0.0015702102444, 111320.7020616939, 1704480524535203, -10338987376042340,
+    26112667856603880, -35149669176653700, 26595700718403920,
+    -10725012454188240, 1800819912950474, 82.5,
   ],
   [
-    0.0008277824516172526,
-    111320.7020463578,
-    647795574.6671607,
-    -4082003173.641316,
-    10774905663.51142,
-    -15171875531.51559,
-    12053065338.62167,
-    -5124939663.577472,
-    913311935.9512032,
-    67.5,
+    0.0008277824516172526, 111320.7020463578, 647795574.6671607,
+    -4082003173.641316, 10774905663.51142, -15171875531.51559,
+    12053065338.62167, -5124939663.577472, 913311935.9512032, 67.5,
   ],
   [
-    0.00337398766765,
-    111320.7020202162,
-    4481351.045890365,
-    -23393751.19931662,
-    79682215.47186455,
-    -115964993.2797253,
-    97236711.15602145,
-    -43661946.33752821,
-    8477230.501135234,
-    52.5,
+    0.00337398766765, 111320.7020202162, 4481351.045890365, -23393751.19931662,
+    79682215.47186455, -115964993.2797253, 97236711.15602145,
+    -43661946.33752821, 8477230.501135234, 52.5,
   ],
   [
-    0.00220636496208,
-    111320.7020209128,
-    51751.86112841131,
-    3796837.749470245,
-    992013.7397791013,
-    -1221952.21711287,
-    1340652.697009075,
-    -620943.6990984312,
-    144416.9293806241,
-    37.5,
+    0.00220636496208, 111320.7020209128, 51751.86112841131, 3796837.749470245,
+    992013.7397791013, -1221952.21711287, 1340652.697009075, -620943.6990984312,
+    144416.9293806241, 37.5,
   ],
   [
-    -0.0003441963504368392,
-    111320.7020576856,
-    278.2353980772752,
-    2485758.690035394,
-    6070.750963243378,
-    54821.18345352118,
-    9540.606633304236,
-    -2710.55326746645,
-    1405.483844121726,
-    22.5,
+    -0.0003441963504368392, 111320.7020576856, 278.2353980772752,
+    2485758.690035394, 6070.750963243378, 54821.18345352118, 9540.606633304236,
+    -2710.55326746645, 1405.483844121726, 22.5,
   ],
   [
-    -0.0003218135878613132,
-    111320.7020701615,
-    0.00369383431289,
-    823725.6402795718,
-    0.46104986909093,
-    2351.343141331292,
-    1.58060784298199,
-    8.77738589078284,
-    0.37238884252424,
-    7.45,
+    -0.0003218135878613132, 111320.7020701615, 0.00369383431289,
+    823725.6402795718, 0.46104986909093, 2351.343141331292, 1.58060784298199,
+    8.77738589078284, 0.37238884252424, 7.45,
   ],
 ];
 

diff --git a/src/helper.ts b/src/helper.ts
@@ -3,6 +3,8 @@ import {
   Feature,
   FeatureCollection,
   GeometryCollection,
+  Geometry,
+  Position,
   Point,
   LineString,
   MultiPoint,
@@ -67,11 +69,8 @@ export function isString(input: any): input is string {
 
 /**
  * compose
- *
- * @param {function[]} functions
- * @returns {function}
  */
-export function compose(...funcs: Function[]) {
+export function compose(...funcs: Function[]): Function {
   const start = funcs.length - 1;
   /* eslint-disable func-names */
   return function (...args: any[]) {
@@ -108,22 +107,32 @@ export function compose(...funcs: Function[]) {
 /* eslint-disable no-param-reassign */
 export function coordEach(
   geojson: GeoJSON,
-  callback: Function,
+  callback: (
+    currentCoord: Position,
+    coordIndex: number,
+    featureIndex: number,
+    multiFeatureIndex: number,
+    geometryIndex: number
+  ) => any,
   excludeWrapCoord = false
 ): boolean | void | never {
   // Handles null Geometry -- Skips this GeoJSON
   if (geojson === null) return;
   /* eslint-disable-next-line */
-  let j,
-    k,
-    l,
-    geometry,
-    stopG,
-    coords,
-    geometryMaybeCollection,
-    wrapShrink = 0,
-    coordIndex = 0,
-    isGeometryCollection;
+
+  let j: number;
+  let k: number;
+  let l: number;
+  let geometry: Geometry | GeometryCollection | null;
+  let coords: Position | Position[] | Position[][] | Position[][][];
+  let stopG: number;
+
+  let wrapShrink = 0;
+  let coordIndex = 0;
+
+  let geometryMaybeCollection: any;
+
+  let isGeometryCollection: boolean;
 
   const { type } = geojson;
   const isFeatureCollection = type === 'FeatureCollection';

diff --git a/src/index.ts b/src/index.ts
@@ -1,7 +1,12 @@
 import { CRSTypes } from './crs';
-
 import transform from './transform';
 
+export { GeoJSON } from './geojson';
+
+export { CRSTypes };
+
+export { transform };
+
 const exported = {
   ...CRSTypes, // 兼容原来gcoord.WGS84的使用方式
   CRSTypes,