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Webpack Loader API Support
Ahmad Amireh edited this page Sep 11, 2017
·
13 revisions
Compatible loader features:
-
this.emitWarning(String) -
this.emitError(String) -
this.emitFile(String, String, Object) -
this.addDependency(String) -
this.addContextDependency(String) -
this.clearDependencies() -
this.callback(err: String, code: String, map: Object)style for yielding code + map - async
this.callbackstyle for yielding code + map - synchronous return style for yielding code
- pitch loaders (
module.exports.pitch) (see #15) -
this.cacheable()(no op, we're always caching) -
this.exec -
this.resolve(module: String) -> String -
this.resolveSync -
this.loadModule(since 2.2.0)
Loader context:
-
this.context -
this.query -
this.resourcePath -
this.resourceQuery -
this.options(somewhat working, we don't serialize the plugins though or anything with cyclic dependencies) -
this.data(pitch) -
this.loaders -
this.loaderIndex -
this.values -
this.inputValues -
this.debug -
this.minimize -
this.sourceMap -
this.target -
this.webpack -
this._compilation -
this._compiler -
this._module
Striked out stuff won't be done.
You can generate this list by running NODE_PATH=upstream/webpack1/node_modules ./scripts/loader-support-status/index.js.
Supported properties:
-----------------------------------------------------------------------
1. "_compiler" of type "object"
2. "addContextDependency" of type "function"
3. "addDependency" of type "function"
4. "async" of type "function"
5. "cacheable" of type "function"
6. "callback" of type "function"
7. "clearDependencies" of type "function"
8. "context" of type "string"
9. "dependency" of type "function"
10. "emitError" of type "function"
11. "emitFile" of type "function"
12. "emitWarning" of type "function"
13. "exec" of type "function"
14. "fs" of type "object"
15. "loadModule" of type "function"
16. "loaderIndex" of type "number"
17. "loaders" of type "object"
18. "options" of type "object"
19. "query" of type "string"
20. "request" of type "string"
21. "resolve" of type "function"
22. "resolveSync" of type "function"
23. "resource" of type "string"
24. "resourcePath" of type "string"
25. "resourceQuery" of type "object"
26. "sourceMap" of type "boolean"
27. "target" of type "string"
28. "version" of type "number"
29. "webpack" of type "boolean"
Missing properties:
-----------------------------------------------------------------------
1. "_compilation" of type "object"
2. "_module" of type "object"
3. "debug" of type "boolean"
4. "inputValue" of type "undefined"
5. "value" of type "object"
Property type mismatch:
-----------------------------------------------------------------------
1. "data" is of type "undefined" in webpack, but "object" in happypack.
Extraneous properties (possibly deprecated?):
-----------------------------------------------------------------------
1. "_contextDependencies" is of type "undefined" in webpack, but "undefined" in happypack.
2. "_dependencies" is of type "undefined" in webpack, but "undefined" in happypack.
3. "_remoteLoaderId" is of type "undefined" in webpack, but "string" in happypack.
4. "getContextDependencies" is of type "undefined" in webpack, but "function" in happypack.
5. "getDependencies" is of type "undefined" in webpack, but "function" in happypack.
6. "inputValues" is of type "undefined" in webpack, but "object" in happypack.
7. "minimize" is of type "undefined" in webpack, but "undefined" in happypack.
8. "result" is of type "undefined" in webpack, but "object" in happypack.
You can generate this list by running NODE_PATH=upstream/webpack2/node_modules ./scripts/loader-support-status/index.js.
Supported properties:
-----------------------------------------------------------------------
1. "_compiler" of type "object"
2. "addContextDependency" of type "function"
3. "addDependency" of type "function"
4. "async" of type "function"
5. "cacheable" of type "function"
6. "callback" of type "function"
7. "clearDependencies" of type "function"
8. "context" of type "string"
9. "data" of type "object"
10. "dependency" of type "function"
11. "emitError" of type "function"
12. "emitFile" of type "function"
13. "emitWarning" of type "function"
14. "exec" of type "function"
15. "fs" of type "object"
16. "getContextDependencies" of type "function"
17. "getDependencies" of type "function"
18. "loadModule" of type "function"
19. "loaderIndex" of type "number"
20. "loaders" of type "object"
21. "options" of type "object"
22. "query" of type "string"
23. "request" of type "string"
24. "resolve" of type "function"
25. "resolveSync" of type "function"
26. "resource" of type "string"
27. "resourcePath" of type "string"
28. "resourceQuery" of type "string"
29. "sourceMap" of type "boolean"
30. "target" of type "string"
31. "version" of type "number"
32. "webpack" of type "boolean"
Missing properties:
-----------------------------------------------------------------------
1. "_compilation" of type "object"
2. "_module" of type "object"
3. "currentRequest" of type "string"
4. "previousRequest" of type "string"
5. "remainingRequest" of type "string"
Extraneous properties (possibly deprecated?):
-----------------------------------------------------------------------
1. "_contextDependencies" is of type "undefined" in webpack, but "object" in happypack.
2. "_dependencies" is of type "undefined" in webpack, but "object" in happypack.
3. "_remoteLoaderId" is of type "undefined" in webpack, but "string" in happypack.
4. "inputValues" is of type "undefined" in webpack, but "object" in happypack.
5. "minimize" is of type "undefined" in webpack, but "undefined" in happypack.
6. "result" is of type "undefined" in webpack, but "object" in happypack.
You can generate this list by running NODE_PATH=upstream/webpack3/node_modules ./scripts/loader-support-status/index.js.
Supported properties:
-----------------------------------------------------------------------
1. "_compiler" of type "object"
2. "addContextDependency" of type "function"
3. "addDependency" of type "function"
4. "async" of type "function"
5. "cacheable" of type "function"
6. "callback" of type "function"
7. "clearDependencies" of type "function"
8. "context" of type "string"
9. "data" of type "object"
10. "dependency" of type "function"
11. "emitError" of type "function"
12. "emitFile" of type "function"
13. "emitWarning" of type "function"
14. "exec" of type "function"
15. "fs" of type "object"
16. "getContextDependencies" of type "function"
17. "getDependencies" of type "function"
18. "loadModule" of type "function"
19. "loaderIndex" of type "number"
20. "loaders" of type "object"
21. "options" of type "object"
22. "query" of type "string"
23. "request" of type "string"
24. "resolve" of type "function"
25. "resolveSync" of type "function"
26. "resource" of type "string"
27. "resourcePath" of type "string"
28. "resourceQuery" of type "string"
29. "sourceMap" of type "boolean"
30. "target" of type "string"
31. "version" of type "number"
32. "webpack" of type "boolean"
Missing properties:
-----------------------------------------------------------------------
1. "_compilation" of type "object"
2. "_module" of type "object"
3. "currentRequest" of type "string"
4. "previousRequest" of type "string"
5. "remainingRequest" of type "string"
Extraneous properties (possibly deprecated?):
-----------------------------------------------------------------------
1. "_contextDependencies" is of type "undefined" in webpack, but "object" in happypack.
2. "_dependencies" is of type "undefined" in webpack, but "object" in happypack.
3. "_remoteLoaderId" is of type "undefined" in webpack, but "string" in happypack.
4. "inputValues" is of type "undefined" in webpack, but "object" in happypack.
5. "minimize" is of type "undefined" in webpack, but "undefined" in happypack.
6. "result" is of type "undefined" in webpack, but "object" in happypack.