rstacruz

Setting up Jest with ESM

Here are some different ways on how to set up Jest to support ESM. This applies for Jest v25, Node v13, and Babel v7.

Method A: Native Node.js support

Node v14 and Jest v26 support ESM natively with the --experimental-vm-modules flag.

Install cross-env:

IanColdwater

Mute these words in your settings here: https://twitter.com/settings/muted_keywords

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clhenrick

#!/usr/bin/env bash

URI="https://services1.arcgis.com/sTaVXkn06Nqew9yU/ArcGIS/rest/services/Political_Boundaries_Feb2016/FeatureServer/1/query?&outfields=*&f=geojson&where=objectid%20is%20not%20null"

ogr2ogr -f GeoJSON ca_assembly_districts.json $URI OGRGeoJSON

sndrs

export PATH := node_modules/.bin:$(PATH)
export SHELL := /usr/bin/env bash

.PHONY: dev
dev: check-nvm install # run `yarn dev` in .nvmrc-mandated node
	@bash -l -c 'nvm exec --silent yarn -s dev'

.PHONY: install
install: # install deps using yarn in .nvmrc-mandated node
	@bash -l -c 'nvm exec --silent yarn -s'

clhenrick

This is a demonstartion of how to align arbitrary GeoJSON data to the us-atlas topojson data.

It's important to note that the TopoJSON from us-atlas has it's map projection, (d3.geoAlbersUsa), built into it. In other words, it is considered "projected" geographic data.

This is an important distinction from GeoJSON data which is most typically stored in the unprojected Coordinate Reference System WGS84, also commonly referred to as "lat, lon" (though coordinates are most often stored in the order longitude, latitude).

johnniehard

I had a large dataset in postgis and wanted to avoid the hassle of first exporting it to a several GB geojson file before tiling it with Tippecanoe.

ogr2ogr -f GeoJSON /dev/stdout \                                                                            
PG:"host=localhost dbname=postgres user=postgres password=thepassword" \
-sql "select * from a, roi where a.geom && roi.geom" \
| docker run -i -v ${PWD}:/data tippecanoe:latest tippecanoe \
--output=/data/yourtiles.mbtiles

mohanpedala

Table of Contents

• set -e, -u, -x, -o pipefail
• set -e
• set -x
• set -u
• set -o pipefail
• Setting IFS
• Original Reference

set -e, -u, -x, -o pipefail

clhenrick

node_modules/
.DS_Store

perrygeo

FROM python:3.6-slim-stretch

ADD requirements.txt /tmp/requirements.txt

RUN apt-get update && \
    apt-get install -y \
        build-essential \
        make \
        gcc \
        locales \

mandymanda