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if (typeof fetch === "function") {
// Web version of reading a wasm file into an array buffer.
let mappingsWasmUrl = null;
module.exports = function readWasm() {
if (typeof mappingsWasmUrl !== "string") {
throw new Error("You must provide the URL of lib/mappings.wasm by calling " +
"SourceMapConsumer.initialize({ 'lib/mappings.wasm': ... }) " +
"before using SourceMapConsumer");
}
return fetch(mappingsWasmUrl)
.then(response => response.arrayBuffer());
};
module.exports.initialize = url => mappingsWasmUrl = url;
} else {
// Node version of reading a wasm file into an array buffer.
const fs = require("fs");
const path = require("path");
module.exports = function readWasm() {
return new Promise((resolve, reject) => {
const wasmPath = path.join(__dirname, "mappings.wasm");
fs.readFile(wasmPath, null, (error, data) => {
if (error) {
reject(error);
return;
}
resolve(data.buffer);
});
});
};
module.exports.initialize = _ => {
console.debug("SourceMapConsumer.initialize is a no-op when running in node.js");
};
}