初始化

uni_modules/UniDevTools/node_modules/loader-utils/lib/interpolateName.js

@@ -0,0 +1,116 @@
+"use strict";
+
+const path = require("path");
+const getHashDigest = require("./getHashDigest");
+
+function interpolateName(loaderContext, name, options = {}) {
+  let filename;
+
+  const hasQuery =
+    loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1;
+
+  if (typeof name === "function") {
+    filename = name(
+      loaderContext.resourcePath,
+      hasQuery ? loaderContext.resourceQuery : undefined
+    );
+  } else {
+    filename = name || "[hash].[ext]";
+  }
+
+  const context = options.context;
+  const content = options.content;
+  const regExp = options.regExp;
+
+  let ext = "bin";
+  let basename = "file";
+  let directory = "";
+  let folder = "";
+  let query = "";
+
+  if (loaderContext.resourcePath) {
+    const parsed = path.parse(loaderContext.resourcePath);
+    let resourcePath = loaderContext.resourcePath;
+
+    if (parsed.ext) {
+      ext = parsed.ext.substr(1);
+    }
+
+    if (parsed.dir) {
+      basename = parsed.name;
+      resourcePath = parsed.dir + path.sep;
+    }
+
+    if (typeof context !== "undefined") {
+      directory = path
+        .relative(context, resourcePath + "_")
+        .replace(/\\/g, "/")
+        .replace(/\.\.(\/)?/g, "_$1");
+      directory = directory.substr(0, directory.length - 1);
+    } else {
+      directory = resourcePath.replace(/\\/g, "/").replace(/\.\.(\/)?/g, "_$1");
+    }
+
+    if (directory.length === 1) {
+      directory = "";
+    } else if (directory.length > 1) {
+      folder = path.basename(directory);
+    }
+  }
+
+  if (loaderContext.resourceQuery && loaderContext.resourceQuery.length > 1) {
+    query = loaderContext.resourceQuery;
+
+    const hashIdx = query.indexOf("#");
+
+    if (hashIdx >= 0) {
+      query = query.substr(0, hashIdx);
+    }
+  }
+
+  let url = filename;
+
+  if (content) {
+    // Match hash template
+    url = url
+      // `hash` and `contenthash` are same in `loader-utils` context
+      // let's keep `hash` for backward compatibility
+      .replace(
+        /\[(?:([^[:\]]+):)?(?:hash|contenthash)(?::([a-z]+\d*))?(?::(\d+))?\]/gi,
+        (all, hashType, digestType, maxLength) =>
+          getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
+      );
+  }
+
+  url = url
+    .replace(/\[ext\]/gi, () => ext)
+    .replace(/\[name\]/gi, () => basename)
+    .replace(/\[path\]/gi, () => directory)
+    .replace(/\[folder\]/gi, () => folder)
+    .replace(/\[query\]/gi, () => query);
+
+  if (regExp && loaderContext.resourcePath) {
+    const match = loaderContext.resourcePath.match(new RegExp(regExp));
+
+    match &&
+      match.forEach((matched, i) => {
+        url = url.replace(new RegExp("\\[" + i + "\\]", "ig"), matched);
+      });
+  }
+
+  if (
+    typeof loaderContext.options === "object" &&
+    typeof loaderContext.options.customInterpolateName === "function"
+  ) {
+    url = loaderContext.options.customInterpolateName.call(
+      loaderContext,
+      url,
+      name,
+      options
+    );
+  }
+
+  return url;
+}
+
+module.exports = interpolateName;