set.js

var applyPatch = require("./apply-patch.js")
var setNonEnumerable = require("./lib/set-non-enumerable.js")
var adiff = require("adiff")

module.exports = set

function set(rawList) {
    if (!Array.isArray(rawList)) rawList = []

    var obs = this
    var changes = adiff.diff(obs._list, rawList)
    var valueList = obs().slice()

    var valueChanges = changes.map(applyPatch.bind(obs, valueList))

    setNonEnumerable(valueList, "_diff", valueChanges)

    obs._observSet(valueList)
    return changes
}