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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Source = require("./Source");
class CompatSource extends Source {
static from(sourceLike) {
return sourceLike instanceof Source
? sourceLike
: new CompatSource(sourceLike);
}
constructor(sourceLike) {
super();
this._sourceLike = sourceLike;
}
source() {
return this._sourceLike.source();
}
buffer() {
if (typeof this._sourceLike.buffer === "function") {
return this._sourceLike.buffer();
}
return super.buffer();
}
size() {
if (typeof this._sourceLike.size === "function") {
return this._sourceLike.size();
}
return super.size();
}
map(options) {
if (typeof this._sourceLike.map === "function") {
return this._sourceLike.map(options);
}
return super.map(options);
}
sourceAndMap(options) {
if (typeof this._sourceLike.sourceAndMap === "function") {
return this._sourceLike.sourceAndMap(options);
}
return super.sourceAndMap(options);
}
updateHash(hash) {
if (typeof this._sourceLike.updateHash === "function") {
return this._sourceLike.updateHash(hash);
}
if (typeof this._sourceLike.map === "function") {
throw new Error(
"A Source-like object with a 'map' method must also provide an 'updateHash' method"
);
}
hash.update(this.buffer());
}
}
module.exports = CompatSource;
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