diff options
| author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
|---|---|---|
| committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
| commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
| tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/webpack/lib/CachePlugin.js | |
| parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) | |
node_modules
Diffstat (limited to 'node_modules/webpack/lib/CachePlugin.js')
| -rw-r--r-- | node_modules/webpack/lib/CachePlugin.js | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/CachePlugin.js b/node_modules/webpack/lib/CachePlugin.js new file mode 100644 index 000000000..1b8d6a30e --- /dev/null +++ b/node_modules/webpack/lib/CachePlugin.js @@ -0,0 +1,79 @@ +/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const asyncLib = require("async");
+
+class CachePlugin {
+ constructor(cache) {
+ this.cache = cache || {};
+ this.FS_ACCURENCY = 2000;
+ }
+
+ apply(compiler) {
+ if(Array.isArray(compiler.compilers)) {
+ compiler.compilers.forEach((c, idx) => {
+ c.apply(new CachePlugin(this.cache[idx] = this.cache[idx] || {}));
+ });
+ } else {
+ compiler.plugin("compilation", compilation => {
+ if(!compilation.notCacheable) {
+ compilation.cache = this.cache;
+ } else if(this.watching) {
+ compilation.warnings.push(
+ new Error(`CachePlugin - Cache cannot be used because of: ${compilation.notCacheable}`)
+ );
+ }
+ });
+ compiler.plugin("watch-run", (compiler, callback) => {
+ this.watching = true;
+ callback();
+ });
+ compiler.plugin("run", (compiler, callback) => {
+ if(!compiler._lastCompilationFileDependencies) return callback();
+ const fs = compiler.inputFileSystem;
+ const fileTs = compiler.fileTimestamps = {};
+ asyncLib.forEach(compiler._lastCompilationFileDependencies, (file, callback) => {
+ fs.stat(file, (err, stat) => {
+ if(err) {
+ if(err.code === "ENOENT") return callback();
+ return callback(err);
+ }
+
+ if(stat.mtime)
+ this.applyMtime(+stat.mtime);
+
+ fileTs[file] = +stat.mtime || Infinity;
+ callback();
+ });
+ }, err => {
+ if(err) return callback(err);
+ Object.keys(fileTs).forEach(key => {
+ fileTs[key] += this.FS_ACCURENCY;
+ });
+ callback();
+ });
+ });
+ compiler.plugin("after-compile", function(compilation, callback) {
+ compilation.compiler._lastCompilationFileDependencies = compilation.fileDependencies;
+ compilation.compiler._lastCompilationContextDependencies = compilation.contextDependencies;
+ callback();
+ });
+ }
+ }
+
+ /* istanbul ignore next */
+ applyMtime(mtime) {
+ if(this.FS_ACCURENCY > 1 && mtime % 2 !== 0)
+ this.FS_ACCURENCY = 1;
+ else if(this.FS_ACCURENCY > 10 && mtime % 20 !== 0)
+ this.FS_ACCURENCY = 10;
+ else if(this.FS_ACCURENCY > 100 && mtime % 200 !== 0)
+ this.FS_ACCURENCY = 100;
+ else if(this.FS_ACCURENCY > 1000 && mtime % 2000 !== 0)
+ this.FS_ACCURENCY = 1000;
+ }
+}
+module.exports = CachePlugin;
|