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Basic configuration for the CodeMirror code editor

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import StringStream from "../../util/StringStream.js"
import * as modeMethods from "../../modes.js"
import {countColumn} from "../../util/misc.js"

// Copy StringStream and mode methods into exports (CodeMirror) object.
exports.StringStream = StringStream
exports.countColumn = countColumn
for (var exported in modeMethods) exports[exported] = modeMethods[exported]

// Shim library CodeMirror with the minimal CodeMirror defined above.
require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")]
require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")]

// Minimal default mode.
exports.defineMode("null", () => ({token: stream => stream.skipToEnd()}))
exports.defineMIME("text/plain", "null")

exports.registerHelper = exports.registerGlobalHelper = Math.min
exports.splitLines = function(string) { return string.split(/\r?\n|\r/) }

exports.defaults = { indentUnit: 2 }