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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/enhanced-resolve/lib/AliasPlugin.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
switch to vuepress
Diffstat (limited to 'node_modules/enhanced-resolve/lib/AliasPlugin.js')
| -rw-r--r-- | node_modules/enhanced-resolve/lib/AliasPlugin.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/node_modules/enhanced-resolve/lib/AliasPlugin.js b/node_modules/enhanced-resolve/lib/AliasPlugin.js new file mode 100644 index 00000000..c9af4f56 --- /dev/null +++ b/node_modules/enhanced-resolve/lib/AliasPlugin.js @@ -0,0 +1,56 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra +*/ +"use strict"; + +function startsWith(string, searchString) { + const stringLength = string.length; + const searchLength = searchString.length; + + // early out if the search length is greater than the search string + if(searchLength > stringLength) { + return false; + } + let index = -1; + while(++index < searchLength) { + if(string.charCodeAt(index) !== searchString.charCodeAt(index)) { + return false; + } + } + return true; +} + +module.exports = class AliasPlugin { + constructor(source, options, target) { + this.source = source; + this.options = Array.isArray(options) ? options : [options]; + this.target = target; + } + + apply(resolver) { + const target = resolver.ensureHook(this.target); + resolver.getHook(this.source).tapAsync("AliasPlugin", (request, resolveContext, callback) => { + const innerRequest = request.request || request.path; + if(!innerRequest) return callback(); + for(const item of this.options) { + if(innerRequest === item.name || (!item.onlyModule && startsWith(innerRequest, item.name + "/"))) { + if(innerRequest !== item.alias && !startsWith(innerRequest, item.alias + "/")) { + const newRequestStr = item.alias + innerRequest.substr(item.name.length); + const obj = Object.assign({}, request, { + request: newRequestStr + }); + return resolver.doResolve(target, obj, "aliased with mapping '" + item.name + "': '" + item.alias + "' to '" + newRequestStr + "'", resolveContext, (err, result) => { + if(err) return callback(err); + + // Don't allow other aliasing or raw request + if(result === undefined) return callback(null, null); + callback(null, result); + }); + } + } + } + return callback(); + }); + } +}; |
