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packager: ResolutionRequest.js: sync _resolveFileOrDir 

Reviewed By: davidaurelio

Differential Revision: D4754138

fbshipit-source-id: d19792a726220a673dead1c8c6cdf487e34a6808
This commit is contained in:
Jean Lauliac 2017-03-23 11:07:10 -07:00 committed by Facebook Github Bot
parent f06384b1b7
commit 3f0f7357cf
1 changed files with 96 additions and 101 deletions
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197
packager/src/node-haste/DependencyGraph/ResolutionRequest.js
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@ -302,120 +302,115 @@ class ResolutionRequest {
});
}
_redirectRequire(fromModule: Module, modulePath: string) {
return Promise.resolve(fromModule.getPackage()).then(p => {
if (p) {
return p.redirectRequire(modulePath);
}
return modulePath;
});
_redirectRequire(fromModule: Module, modulePath: string): string | false {
const pck = fromModule.getPackage();
if (pck) {
return pck.redirectRequire(modulePath);
}
return modulePath;
}
_resolveFileOrDir(fromModule: Module, toModuleName: string) {
_resolveFileOrDir(fromModule: Module, toModuleName: string): Module {
const potentialModulePath = isAbsolutePath(toModuleName) ?
resolveWindowsPath(toModuleName) :
path.join(path.dirname(fromModule.path), toModuleName);
resolveWindowsPath(toModuleName) :
path.join(path.dirname(fromModule.path), toModuleName);
return this._redirectRequire(fromModule, potentialModulePath).then(
realModuleName => {
if (realModuleName === false) {
return this._loadAsFile(
ResolutionRequest.emptyModule,
fromModule,
toModuleName,
);
}
const realModuleName = this._redirectRequire(fromModule, potentialModulePath);
if (realModuleName === false) {
return this._loadAsFile(
ResolutionRequest.emptyModule,
fromModule,
toModuleName,
);
}
return tryResolveSync(
() => this._loadAsFile(realModuleName, fromModule, toModuleName),
() => this._loadAsDir(realModuleName, fromModule, toModuleName)
);
}
return tryResolveSync(
() => this._loadAsFile(realModuleName, fromModule, toModuleName),
() => this._loadAsDir(realModuleName, fromModule, toModuleName)
);
}
_resolveNodeDependency(fromModule: Module, toModuleName: string) {
if (isRelativeImport(toModuleName) || isAbsolutePath(toModuleName)) {
return this._resolveFileOrDir(fromModule, toModuleName);
} else {
return this._redirectRequire(fromModule, toModuleName).then(
realModuleName => {
// exclude
if (realModuleName === false) {
return this._loadAsFile(
ResolutionRequest.emptyModule,
fromModule,
toModuleName,
);
}
_resolveNodeDependency(fromModule: Module, toModuleName: string): Promise<Module> {
return Promise.resolve().then(() => {
if (isRelativeImport(toModuleName) || isAbsolutePath(toModuleName)) {
return this._resolveFileOrDir(fromModule, toModuleName);
}
const realModuleName = this._redirectRequire(fromModule, toModuleName);
// exclude
if (realModuleName === false) {
return this._loadAsFile(
ResolutionRequest.emptyModule,
fromModule,
toModuleName,
);
}
if (isRelativeImport(realModuleName) || isAbsolutePath(realModuleName)) {
// derive absolute path /.../node_modules/fromModuleDir/realModuleName
const fromModuleParentIdx = fromModule.path.lastIndexOf('node_modules' + path.sep) + 13;
const fromModuleDir = fromModule.path.slice(
0,
fromModule.path.indexOf(path.sep, fromModuleParentIdx),
);
const absPath = path.join(fromModuleDir, realModuleName);
return this._resolveFileOrDir(fromModule, absPath);
}
if (isRelativeImport(realModuleName) || isAbsolutePath(realModuleName)) {
// derive absolute path /.../node_modules/fromModuleDir/realModuleName
const fromModuleParentIdx = fromModule.path.lastIndexOf('node_modules' + path.sep) + 13;
const fromModuleDir = fromModule.path.slice(
0,
fromModule.path.indexOf(path.sep, fromModuleParentIdx),
);
const absPath = path.join(fromModuleDir, realModuleName);
return this._resolveFileOrDir(fromModule, absPath);
}
const searchQueue = [];
for (let currDir = path.dirname(fromModule.path);
currDir !== '.' && currDir !== realPath.parse(fromModule.path).root;
currDir = path.dirname(currDir)) {
const searchPath = path.join(currDir, 'node_modules');
if (this._dirExists(searchPath)) {
searchQueue.push(
path.join(searchPath, realModuleName)
);
}
}
const searchQueue = [];
for (let currDir = path.dirname(fromModule.path);
currDir !== '.' && currDir !== realPath.parse(fromModule.path).root;
currDir = path.dirname(currDir)) {
const searchPath = path.join(currDir, 'node_modules');
if (this._dirExists(searchPath)) {
searchQueue.push(
path.join(searchPath, realModuleName)
);
}
}
if (this._extraNodeModules) {
const {_extraNodeModules} = this;
const bits = toModuleName.split(path.sep);
const packageName = bits[0];
if (_extraNodeModules[packageName]) {
bits[0] = _extraNodeModules[packageName];
searchQueue.push(path.join.apply(path, bits));
}
}
if (this._extraNodeModules) {
const {_extraNodeModules} = this;
const bits = toModuleName.split(path.sep);
const packageName = bits[0];
if (_extraNodeModules[packageName]) {
bits[0] = _extraNodeModules[packageName];
searchQueue.push(path.join.apply(path, bits));
}
}
let p = Promise.reject(new UnableToResolveError(fromModule, toModuleName));
searchQueue.forEach(potentialModulePath => {
p = this._tryResolve(
() => this._tryResolve(
() => p,
() => Promise.resolve().then(
() => this._loadAsFile(potentialModulePath, fromModule, toModuleName),
),
),
() => Promise.resolve().then(
() => this._loadAsDir(potentialModulePath, fromModule, toModuleName),
),
);
});
let p = Promise.reject(new UnableToResolveError(fromModule, toModuleName));
searchQueue.forEach(potentialModulePath => {
p = this._tryResolve(
() => this._tryResolve(
() => p,
() => Promise.resolve().then(
() => this._loadAsFile(potentialModulePath, fromModule, toModuleName),
),
),
() => Promise.resolve().then(
() => this._loadAsDir(potentialModulePath, fromModule, toModuleName),
),
);
});
return p.catch(error => {
if (error.type !== 'UnableToResolveError') {
throw error;
}
const hint = searchQueue.length ? ' or in these directories:' : '';
throw new UnableToResolveError(
fromModule,
toModuleName,
`Module does not exist in the module map${hint}\n` +
searchQueue.map(searchPath => ` ${path.dirname(searchPath)}\n`).join(', ') + '\n' +
`This might be related to https://github.com/facebook/react-native/issues/4968\n` +
`To resolve try the following:\n` +
` 1. Clear watchman watches: \`watchman watch-del-all\`.\n` +
` 2. Delete the \`node_modules\` folder: \`rm -rf node_modules && npm install\`.\n` +
' 3. Reset packager cache: `rm -fr $TMPDIR/react-*` or `npm start -- --reset-cache`.'
);
});
});
}
return p.catch(error => {
if (error.type !== 'UnableToResolveError') {
throw error;
}
const hint = searchQueue.length ? ' or in these directories:' : '';
throw new UnableToResolveError(
fromModule,
toModuleName,
`Module does not exist in the module map${hint}\n` +
searchQueue.map(searchPath => ` ${path.dirname(searchPath)}\n`).join(', ') + '\n' +
`This might be related to https://github.com/facebook/react-native/issues/4968\n` +
`To resolve try the following:\n` +
` 1. Clear watchman watches: \`watchman watch-del-all\`.\n` +
` 2. Delete the \`node_modules\` folder: \`rm -rf node_modules && npm install\`.\n` +
' 3. Reset packager cache: `rm -fr $TMPDIR/react-*` or `npm start -- --reset-cache`.'
);
});
});
}
_loadAsFile(potentialModulePath: string, fromModule: Module, toModule: string): Module {