rustdoc: sort deprecated items lower in search

serialize `q` (`itemPaths`) sparsely
overall 4% reduction in search index size
This commit is contained in:
Peter Jaszkowiak 2023-02-03 00:08:57 -07:00
parent 6c991b0740
commit d2e4b59e60
5 changed files with 50 additions and 9 deletions

View file

@ -811,6 +811,13 @@ function initSearch(rawSearchIndex) {
return a - b;
}
// sort deprecated items later
a = aaa.item.deprecated;
b = bbb.item.deprecated;
if (a !== b) {
return a - b;
}
// sort by crate (current crate comes first)
a = (aaa.item.crate !== preferredCrate);
b = (bbb.item.crate !== preferredCrate);
@ -1170,6 +1177,7 @@ function initSearch(rawSearchIndex) {
parent: item.parent,
type: item.type,
is_alias: true,
deprecated: item.deprecated,
};
}
@ -1965,10 +1973,11 @@ function initSearch(rawSearchIndex) {
* n: Array<string>,
* t: Array<Number>,
* d: Array<string>,
* q: Array<string>,
* q: Array<[Number, string]>,
* i: Array<Number>,
* f: Array<RawFunctionSearchType>,
* p: Array<Object>,
* c: Array<Number>
* }}
*/
const crateCorpus = rawSearchIndex[crate];
@ -1987,6 +1996,7 @@ function initSearch(rawSearchIndex) {
type: null,
id: id,
normalizedName: crate.indexOf("_") === -1 ? crate : crate.replace(/_/g, ""),
deprecated: null,
};
id += 1;
searchIndex.push(crateRow);
@ -1996,14 +2006,20 @@ function initSearch(rawSearchIndex) {
const itemTypes = crateCorpus.t;
// an array of (String) item names
const itemNames = crateCorpus.n;
// an array of (String) full paths (or empty string for previous path)
const itemPaths = crateCorpus.q;
// an array of [(Number) item index,
// (String) full path]
// an item whose index is not present will fall back to the previous present path
// i.e. if indices 4 and 11 are present, but 5-10 and 12-13 are not present,
// 5-10 will fall back to the path for 4 and 12-13 will fall back to the path for 11
const itemPaths = new Map(crateCorpus.q);
// an array of (String) descriptions
const itemDescs = crateCorpus.d;
// an array of (Number) the parent path index + 1 to `paths`, or 0 if none
const itemParentIdxs = crateCorpus.i;
// an array of (Object | null) the type of the function, if any
const itemFunctionSearchTypes = crateCorpus.f;
// an array of (Number) indices for the deprecated items
const deprecatedItems = new Set(crateCorpus.c);
// an array of [(Number) item type,
// (String) name]
const paths = crateCorpus.p;
@ -2045,12 +2061,13 @@ function initSearch(rawSearchIndex) {
crate: crate,
ty: itemTypes[i],
name: itemNames[i],
path: itemPaths[i] ? itemPaths[i] : lastPath,
path: itemPaths.has(i) ? itemPaths.get(i) : lastPath,
desc: itemDescs[i],
parent: itemParentIdxs[i] > 0 ? paths[itemParentIdxs[i] - 1] : undefined,
type: buildFunctionSearchType(itemFunctionSearchTypes[i], lowercasePaths),
id: id,
normalizedName: word.indexOf("_") === -1 ? word : word.replace(/_/g, ""),
deprecated: deprecatedItems.has(i),
};
id += 1;
searchIndex.push(row);