96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
"use strict";
|
|
|
|
const path = require("path");
|
|
const emojisList = require("emojis-list");
|
|
const getHashDigest = require("./getHashDigest");
|
|
|
|
const emojiRegex = /[\uD800-\uDFFF]./;
|
|
const emojiList = emojisList.filter(emoji => emojiRegex.test(emoji));
|
|
const emojiCache = {};
|
|
|
|
function encodeStringToEmoji(content, length) {
|
|
if(emojiCache[content]) return emojiCache[content];
|
|
length = length || 1;
|
|
const emojis = [];
|
|
do {
|
|
const index = Math.floor(Math.random() * emojiList.length);
|
|
emojis.push(emojiList[index]);
|
|
emojiList.splice(index, 1);
|
|
} while(--length > 0);
|
|
const emojiEncoding = emojis.join("");
|
|
emojiCache[content] = emojiEncoding;
|
|
return emojiEncoding;
|
|
}
|
|
|
|
function interpolateName(loaderContext, name, options) {
|
|
let filename;
|
|
if(typeof name === "function") {
|
|
filename = name(loaderContext.resourcePath);
|
|
} 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 = "";
|
|
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);
|
|
}
|
|
}
|
|
let url = filename;
|
|
if(content) {
|
|
// Match hash template
|
|
url = url
|
|
.replace(
|
|
/\[(?:(\w+):)?hash(?::([a-z]+\d*))?(?::(\d+))?\]/ig,
|
|
(all, hashType, digestType, maxLength) => getHashDigest(content, hashType, digestType, parseInt(maxLength, 10))
|
|
)
|
|
.replace(
|
|
/\[emoji(?::(\d+))?\]/ig,
|
|
(all, length) => encodeStringToEmoji(content, length)
|
|
);
|
|
}
|
|
url = url
|
|
.replace(/\[ext\]/ig, () => ext)
|
|
.replace(/\[name\]/ig, () => basename)
|
|
.replace(/\[path\]/ig, () => directory)
|
|
.replace(/\[folder\]/ig, () => folder);
|
|
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;
|