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Add comments regarding object shapes in buildIndex

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This commit is contained in:
Michael Howell 2021-03-13 10:12:17 -07:00
parent b7d14b1b4d
commit 7834aeb95c
1 changed files with 5 additions and 0 deletions
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5
src/librustdoc/html/static/main.js
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@ -1852,6 +1852,9 @@ function defocusSearchBar() {
var crateSize = 0; var crateSize = 0;
searchWords.push(crate); searchWords.push(crate);
// This object should have exactly the same set of fields as the "row"
// object defined below. Your JavaScript runtime will thank you.
// https://mathiasbynens.be/notes/shapes-ics
var crateRow = { var crateRow = {
crate: crate, crate: crate,
ty: 1, // == ExternCrate ty: 1, // == ExternCrate
@ -1902,6 +1905,8 @@ function defocusSearchBar() {
len = itemTypes.length; len = itemTypes.length;
var lastPath = ""; var lastPath = "";
for (i = 0; i < len; ++i) { for (i = 0; i < len; ++i) {
// This object should have exactly the same set of fields as the "crateRow"
// object defined above.
var row = { var row = {
crate: crate, crate: crate,
ty: itemTypes[i], ty: itemTypes[i],