Skip to content
Permalink
d9f4e23cf4
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
151 lines (119 sloc) 3.69 KB
'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 {
if (!emojiList.length) {
throw new Error('Ran out of emoji');
}
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;
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))
)
.replace(/\[emoji(?::(\d+))?\]/gi, (all, length) =>
encodeStringToEmoji(content, parseInt(length, 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;