Skip to content

Commit

Permalink
fix: onerror/onload memory leak (#640)
Browse files Browse the repository at this point in the history
  • Loading branch information
@dgeibi
dgeibi committed Oct 27, 2020
1 parent f448ee1 commit 2b6fcf2
Show file tree
Hide file tree
Showing 9 changed files with 139 additions and 83 deletions.
28 changes: 17 additions & 11 deletions src/CssLoadingRuntimeModule.js
View file
Expand Up @@ -60,17 +60,23 @@ module.exports = class CssLoadingRuntimeModule extends RuntimeModule {
this.runtimeOptions.linkType
? `linkTag.type = ${JSON.stringify(this.runtimeOptions.linkType)};`
: '',
'linkTag.onload = resolve;',
'linkTag.onerror = function(event) {',
Template.indent([
'var request = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + request + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.request = request;',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
]),
'};',
`var onLinkComplete = ${runtimeTemplate.basicFunction('event', [
'// avoid mem leaks.',
'linkTag.onerror = linkTag.onload = null;',
"if (event.type === 'load') {",
Template.indent(['resolve();']),
'} else {',
Template.indent([
'var request = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + request + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.request = request;',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
]),
'}',
])}`,
'linkTag.onerror = linkTag.onload = onLinkComplete;',
'linkTag.href = fullhref;',
crossOriginLoading
? Template.asString([
Expand Down
26 changes: 17 additions & 9 deletions src/index.js
View file
Expand Up @@ -405,18 +405,26 @@ class MiniCssExtractPlugin {
this.runtimeOptions.linkType
)};`
: '',
'linkTag.onload = resolve;',
'linkTag.onerror = function(event) {',
'var onLinkComplete = function (event) {',
Template.indent([
'var request = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + request + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.request = request;',
'delete installedCssChunks[chunkId]',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
'// avoid mem leaks.',
'linkTag.onerror = linkTag.onload = null;',
"if (event.type === 'load') {",
Template.indent(['resolve();']),
'} else {',
Template.indent([
'var request = event && event.target && event.target.href || fullhref;',
'var err = new Error("Loading CSS chunk " + chunkId + " failed.\\n(" + request + ")");',
'err.code = "CSS_CHUNK_LOAD_FAILED";',
'err.request = request;',
'delete installedCssChunks[chunkId]',
'linkTag.parentNode.removeChild(linkTag)',
'reject(err);',
]),
'}',
]),
'};',
'linkTag.onerror = linkTag.onload = onLinkComplete;',
'linkTag.href = fullhref;',
crossOriginLoading
? Template.asString([
Expand Down
24 changes: 15 additions & 9 deletions test/cases/hmr/expected/webpack-5/main.js
View file
Expand Up @@ -827,15 +827,21 @@ module.exports = function (urlString) {
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ };
/******/ var onLinkComplete = (event) => {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ }
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ document.head.appendChild(linkTag);
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-function/expected/webpack-4/main.js
View file
Expand Up @@ -104,16 +104,22 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ var onLinkComplete = function (event) {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ };
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ (function (linkTag) {
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-function/expected/webpack-5/main.js
View file
Expand Up @@ -162,15 +162,21 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ };
/******/ var onLinkComplete = (event) => {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ }
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ (function (linkTag) {
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-string/expected/webpack-4/main.js
View file
Expand Up @@ -104,16 +104,22 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ var onLinkComplete = function (event) {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ };
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ var target = document.querySelector("script[src='1.js']");
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-string/expected/webpack-5/main.js
View file
Expand Up @@ -162,15 +162,21 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ };
/******/ var onLinkComplete = (event) => {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ }
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ var target = document.querySelector("script[src='1.js']");
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-undefined/expected/webpack-4/main.js
View file
Expand Up @@ -104,16 +104,22 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ var onLinkComplete = function (event) {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ delete installedCssChunks[chunkId]
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ };
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ document.head.appendChild(linkTag);
Expand Down
24 changes: 15 additions & 9 deletions test/cases/insert-undefined/expected/webpack-5/main.js
View file
Expand Up @@ -162,15 +162,21 @@
/******/
/******/ linkTag.rel = "stylesheet";
/******/ linkTag.type = "text/css";
/******/ linkTag.onload = resolve;
/******/ linkTag.onerror = function(event) {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ };
/******/ var onLinkComplete = (event) => {
/******/ // avoid mem leaks.
/******/ linkTag.onerror = linkTag.onload = null;
/******/ if (event.type === 'load') {
/******/ resolve();
/******/ } else {
/******/ var request = event && event.target && event.target.href || fullhref;
/******/ var err = new Error("Loading CSS chunk " + chunkId + " failed.\n(" + request + ")");
/******/ err.code = "CSS_CHUNK_LOAD_FAILED";
/******/ err.request = request;
/******/ linkTag.parentNode.removeChild(linkTag)
/******/ reject(err);
/******/ }
/******/ }
/******/ linkTag.onerror = linkTag.onload = onLinkComplete;
/******/ linkTag.href = fullhref;
/******/
/******/ document.head.appendChild(linkTag);
Expand Down

0 comments on commit 2b6fcf2

Please sign in to comment.