55 lines
1.1 KiB
JavaScript
55 lines
1.1 KiB
JavaScript
// const debug = require("debug")("Eleventy:Image");
|
|
|
|
class DiskCache {
|
|
#existsCache;
|
|
|
|
constructor() {
|
|
this.hitCounter = 0;
|
|
this.missCounter = 0;
|
|
this.inputs = new Map();
|
|
}
|
|
|
|
setExistsCache(existsCache) {
|
|
this.#existsCache = existsCache;
|
|
}
|
|
|
|
resetCount() {
|
|
this.hitCounter = 0;
|
|
this.missCounter = 0;
|
|
}
|
|
|
|
getCount() {
|
|
return [this.hitCounter, this.missCounter];
|
|
}
|
|
|
|
isCached(targetFile, sourceInput, incrementCounts = true) {
|
|
if(!this.#existsCache) {
|
|
throw new Error("Missing `#existsCache`");
|
|
}
|
|
|
|
// Disk cache runs once per output file, so we only increment counts once per input
|
|
if(this.inputs.has(sourceInput)) {
|
|
incrementCounts = false;
|
|
}
|
|
|
|
this.inputs.set(sourceInput, true);
|
|
|
|
if(this.#existsCache?.exists(targetFile)) {
|
|
if(incrementCounts) {
|
|
this.hitCounter++;
|
|
}
|
|
|
|
// debug("Images re-used (via disk cache): %o", this.hitCounter);
|
|
return true;
|
|
}
|
|
|
|
if(incrementCounts) {
|
|
this.missCounter++;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
module.exports = DiskCache;
|
