Converts some resource URL to a webpack module request.
i Before call
urlToRequestyou need callisUrlRequestto ensure it is requestable url
consturl="path/to/module.js";if(loaderUtils.isUrlRequest(url)){// Logic for requestable urlconstrequest=loaderUtils.urlToRequest(url);}else{// Logic for not requestable url}Simple example:
consturl="path/to/module.js";constrequest=loaderUtils.urlToRequest(url);// "./path/to/module.js"Any URL containing a ~ will be interpreted as a module request. Anything after the ~ will be considered the request path.
consturl="~path/to/module.js";constrequest=loaderUtils.urlToRequest(url);// "path/to/module.js"URLs that are root-relative (start with /) can be resolved relative to some arbitrary path by using the root parameter:
consturl="/path/to/module.js";constroot="./root";constrequest=loaderUtils.urlToRequest(url,root);// "./root/path/to/module.js"To convert a root-relative URL into a module URL, specify a root value that starts with ~:
consturl="/path/to/module.js";constroot="~";constrequest=loaderUtils.urlToRequest(url,root);// "path/to/module.js"Interpolates a filename template using multiple placeholders and/or a regular expression. The template and regular expression are set as query params called name and regExp on the current loader's context.
constinterpolatedName=loaderUtils.interpolateName(loaderContext,name,options);The following tokens are replaced in the name parameter:
[ext]the extension of the resource[name]the basename of the resource[path]the path of the resource relative to thecontextquery parameter or option.[folder]the folder the resource is in[query]the queryof the resource, i.e.?foo=bar[contenthash]the hash ofoptions.content(Buffer) (by default it's the hex digest of thexxhash64hash)[<hashType>:contenthash:<digestType>:<length>]optionally one can configure- other
hashTypes, i. e.xxhash64,sha1,md4(wasm version),native-md4(cryptomodule version),md5,sha256,sha512 - other
digestTypes, i. e.hex,base26,base32,base36,base49,base52,base58,base62,base64,base64safe - and
lengththe length in chars
- other
[hash]the hash ofoptions.content(Buffer) (by default it's the hex digest of thexxhash64hash)[<hashType>:hash:<digestType>:<length>]optionally one can configure- other
hashTypes, i. e.xxhash64,sha1,md4(wasm version),native-md4(cryptomodule version),md5,sha256,sha512 - other
digestTypes, i. e.hex,base26,base32,base36,base49,base52,base58,base62,base64,base64safe - and
lengththe length in chars
- other
[N]the N-th match obtained from matching the current file name againstoptions.regExp
In loader context [hash] and [contenthash] are the same, but we recommend using [contenthash] for avoid misleading.
digestType with base64safe don't contain /, + and = symbols.
Examples
// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"loaderUtils.interpolateName(loaderContext,"js/[hash].script.[ext]",{content: ... });// => js/9473fdd0d880a43c21b7778d34872157.script.js// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"// loaderContext.resourceQuery = "?foo=bar"loaderUtils.interpolateName(loaderContext,"js/[hash].script.[ext][query]",{content: ... });// => js/9473fdd0d880a43c21b7778d34872157.script.js?foo=bar// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"loaderUtils.interpolateName(loaderContext,"js/[contenthash].script.[ext]",{content: ... });// => js/9473fdd0d880a43c21b7778d34872157.script.js// loaderContext.resourcePath = "/absolute/path/to/app/page.html"loaderUtils.interpolateName(loaderContext,"html-[hash:6].html",{content: ... });// => html-9473fd.html// loaderContext.resourcePath = "/absolute/path/to/app/flash.txt"loaderUtils.interpolateName(loaderContext,"[hash]",{content: ... });// => c31e9820c001c9c4a86bce33ce43b679// loaderContext.resourcePath = "/absolute/path/to/app/img/image.png"loaderUtils.interpolateName(loaderContext,"[sha512:hash:base64:7].[ext]",{content: ... });// => 2BKDTjl.png// use sha512 hash instead of xxhash64 and with only 7 chars of base64// loaderContext.resourcePath = "/absolute/path/to/app/img/myself.png"// loaderContext.query.name =loaderUtils.interpolateName(loaderContext,"picture.png");// => picture.png// loaderContext.resourcePath = "/absolute/path/to/app/dir/file.png"loaderUtils.interpolateName(loaderContext,"[path][name].[ext]?[hash]",{content: ... });// => /app/dir/file.png?9473fdd0d880a43c21b7778d34872157// loaderContext.resourcePath = "/absolute/path/to/app/js/page-home.js"loaderUtils.interpolateName(loaderContext,"script-[1].[ext]",{regExp: "page-(.*)\\.js",content: ... });// => script-home.js// loaderContext.resourcePath = "/absolute/path/to/app/js/javascript.js"// loaderContext.resourceQuery = "?foo=bar"loaderUtils.interpolateName(loaderContext,(resourcePath,resourceQuery)=>{// resourcePath - `/app/js/javascript.js`// resourceQuery - `?foo=bar`return"js/[hash].script.[ext]";},{content: ... });// => js/9473fdd0d880a43c21b7778d34872157.script.jsconstdigestString=loaderUtils.getHashDigest(buffer,hashType,digestType,maxLength);bufferthe content that should be hashedhashTypeone ofxxhash64,sha1,md4,md5,sha256,sha512or any other node.js supported hash typedigestTypeone ofhex,base26,base32,base36,base49,base52,base58,base62,base64,base64safemaxLengththe maximum length in chars
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