An ES2019-spec-compliant String.prototype.trimStart shim. Invoke its "shim" method to shim String.prototype.trimStart if it is unavailable.
This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec. In an ES6 environment, it will also work properly with Symbols.
Most common usage:
vartrimStart=require('string.prototype.trimstart');assert(trimStart(' \t\na \t\n')==='a \t\n');if(!String.prototype.trimStart){trimStart.shim();}assert(trimStart(' \t\na \t\n')===' \t\na \t\n'.trimStart());Simply clone the repo, npm install, and run npm test
