add preprocess step to copy topojson assets to dist/

Author: etpinard

package.json

@@ -63,6 +63,7 @@
     "delaunay-triangulate": "^1.1.6",
     "es6-promise": "^3.0.2",
     "fast-isnumeric": "^1.1.1",
+    "fs-extra": "^0.26.2",
     "gl-error2d": "^1.0.0",
     "gl-error3d": "^1.0.0",
     "gl-line2d": "^1.2.1",

tasks/preprocess.js

@@ -1,4 +1,4 @@
-var fs = require('fs');
+var fs = require('fs-extra');
 
 var sass = require('node-sass');
 
@@ -22,3 +22,10 @@ sass.render({
 fs.readFile(constants.pathToFontSVG, function(err, data) {
     pullFontSVG(data.toString(), constants.pathToFontSVGBuild);
 });
+
+// copy topojson from sane-topojson to dist/
+fs.copy(constants.pathToTopojsonSrc, constants.pathToTopojsonDest,
+    { clobber: true },
+    function(err) {
+        if(err) throw err;
+});

tasks/util/constants.js

@@ -15,6 +15,8 @@ module.exports = {
     pathToPlotlyDistMin: path.join(pathToDist, 'plotly.min.js'),
     pathToPlotlyDistWithMeta: path.join(pathToDist, 'plotly-with-meta.js'),
 
+    pathToTopojsonSrc: path.join(pathToRoot, 'node_modules/sane-topojson/dist/'),
+    pathToTopojsonDest: path.join(pathToDist, 'topojson/'),
     pathToPlotlyGeoAssetsSrc: path.join(pathToSrc, 'assets/geo_assets.js'),
     pathToPlotlyGeoAssetsDist: path.join(pathToDist, 'plotly-geo-assets.js'),