Package Exports

google-polyline

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (google-polyline) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

google-polyline

Encodes and decodes Google's polyline format

Install via npm

$ npm install --save google-polyline

Usage

var polyline = require( 'google-polyline' )

polyline.encode([
  [ 38.5, -120.2 ],
  [ 40.7, -120.95 ],
  [ 43.252, -126.453 ]
])

> '_p~iF~ps|U_ulLnnqC_mqNvxq`@'

polyline.decode( '_p~iF~ps|U_ulLnnqC_mqNvxq`@' )

> [
  [ 38.5, -120.2 ],
  [ 40.7, -120.95 ],
  [ 43.252, -126.453 ]
]

Benchmarks

$ npm run benchmark

# decode: 3 points ⨉ 1000
ok ~9.03 ms (0 s + 9026482 ns)

# decode: ~350 points ⨉ 1000
ok ~34 ms (0 s + 33985497 ns)

# encode: 3 points ⨉ 1000
ok ~16 ms (0 s + 15696046 ns)

# encode: ~350 points ⨉ 1000
ok ~80 ms (0 s + 80340403 ns)