How to use the codemirror-graphql/utils/CharacterStream function in codemirror-graphql
To help you get started, we’ve selected a few codemirror-graphql examples, based on popular ways it is used in public projects.
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orionsoft / atom-graphql-autocomplete / lib / graphql / getToken.js View on Github 
const getToken = function (query, {row, column}) {
const parserOptions = {
eatWhitespace: stream => stream.eatWhile(isIgnored),
LexRules,
ParseRules
}
const parser = onlineParser(parserOptions)
const state = parser.startState()
const lines = query.split('\n')
for (let i = 0; i < lines.length; i++) {
const line = lines[i]
const stream = new CharacterStream(line)
let style = null
for (let i = 0; !stream.eol() && i < 1000; i++) {
style = parser.token(stream, state)
if (style === 'invalidchar') {
return {stream, state, style}
}
if (i === row && column === stream._pos) {
return {stream, state, style}
}
}
if (i === row) {
if (!style) return null
return {stream, state, style}
}
}
}codemirror-graphql
GraphQL mode and helpers for CodeMirror.
