backoffice/node_modules/source-map-url/source-map-url.js

79 lines
2.1 KiB
JavaScript

// Copyright 2014 Simon Lydell
void (function(root, factory) {
if (typeof define === "function" && define.amd) {
define(factory)
} else if (typeof exports === "object") {
module.exports = factory()
} else {
root.sourceMappingURL = factory()
}
}(this, function(undefined) {
var innerRegex = /[#@] sourceMappingURL=([^\s'"]*)/
var newlineRegex = /\r\n?|\n/
var regex = RegExp(
"(^|(?:" + newlineRegex.source + "))" +
"(?:" +
"/\\*" +
"(?:\\s*(?:" + newlineRegex.source + ")(?://)?)?" +
"(?:" + innerRegex.source + ")" +
"\\s*" +
"\\*/" +
"|" +
"//(?:" + innerRegex.source + ")" +
")" +
"\\s*$"
)
function SourceMappingURL(commentSyntax) {
this._commentSyntax = commentSyntax
}
SourceMappingURL.prototype.regex = regex
SourceMappingURL.prototype._innerRegex = innerRegex
SourceMappingURL.prototype._newlineRegex = newlineRegex
SourceMappingURL.prototype.get = function(code) {
var match = code.match(this.regex)
if (!match) {
return null
}
return match[2] || match[3] || ""
}
SourceMappingURL.prototype.set = function(code, url, commentSyntax) {
if (!commentSyntax) {
commentSyntax = this._commentSyntax
}
// Use a newline present in the code, or fall back to '\n'.
var newline = String(code.match(this._newlineRegex) || "\n")
var open = commentSyntax[0], close = commentSyntax[1] || ""
code = this.remove(code)
return code + newline + open + "# sourceMappingURL=" + url + close
}
SourceMappingURL.prototype.remove = function(code) {
return code.replace(this.regex, "")
}
SourceMappingURL.prototype.insertBefore = function(code, string) {
var match = code.match(this.regex)
if (match) {
var hasNewline = Boolean(match[1])
return code.slice(0, match.index) +
string +
(hasNewline ? "" : "\n") +
code.slice(match.index)
} else {
return code + string
}
}
SourceMappingURL.prototype.SourceMappingURL = SourceMappingURL
return new SourceMappingURL(["/*", " */"])
}));