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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- var SourceNode = require("source-map").SourceNode;
- var SourceMapConsumer = require("source-map").SourceMapConsumer;
-
- class Source {
-
- source() {
- throw new Error("Abstract");
- }
-
- size() {
- if(Buffer.from.length === 1) return new Buffer(this.source()).length;
- return Buffer.byteLength(this.source())
- }
-
- map(options) {
- return null;
- }
-
- sourceAndMap(options) {
- return {
- source: this.source(),
- map: this.map()
- };
- }
-
- node() {
- throw new Error("Abstract");
- }
-
- listNode() {
- throw new Error("Abstract");
- }
-
- updateHash(hash) {
- var source = this.source();
- hash.update(source || "");
- }
- }
-
- module.exports = Source;
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