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24 changes: 22 additions & 2 deletions assets/javascripts/swift-evolution.js
Original file line number Diff line number Diff line change
Expand Up @@ -158,8 +158,16 @@ function init() {
var req = new window.XMLHttpRequest()

req.addEventListener('load', function() {
proposals = JSON.parse(req.responseText)

let evolutionMetadata = JSON.parse(req.responseText, flattenStatus)

// Temporary conditional to allow script to work with old and new schemas
if (Array.isArray(evolutionMetadata)) { // current schema
proposals = evolutionMetadata
} else { // new schema
proposals = evolutionMetadata.proposals
languageVersions = evolutionMetadata.implementationVersions
}

// Don't display malformed proposals
proposals = proposals.filter(function (proposal) {
return !proposal.errors
Expand Down Expand Up @@ -201,6 +209,18 @@ function init() {
req.send()
}

/**
* Reviver function passed to JSON.parse() to convert new status field structure to old structure.
*/
function flattenStatus(key, value) {
if (key == "status" && value !== "" && !value.state) {
let [subkey, subvalue] = Object.entries(value)[0]
subvalue.state = "." + subkey
return subvalue
}
return value
}

/**
* Creates an Element. Convenience wrapper for `document.createElement`.
*
Expand Down