blob: 75d7bd54153ad8ca80df637daf60d729423883de (
plain)
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"use strict";
const isNode =
typeof process !== "undefined" &&
process.versions != null &&
process.versions.node != null;
let mappingsWasm = null;
if (isNode) {
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);
});
});
};
} else {
module.exports = function readWasm() {
if (typeof mappingsWasm === "string") {
return fetch(mappingsWasm)
.then(response => response.arrayBuffer());
}
if (mappingsWasm instanceof ArrayBuffer) {
return Promise.resolve(mappingsWasm);
}
throw new Error("You must provide the string URL or ArrayBuffer contents " +
"of lib/mappings.wasm by calling " +
"SourceMapConsumer.initialize({ 'lib/mappings.wasm': ... }) " +
"before using SourceMapConsumer");
};
}
module.exports.initialize = input => {
mappingsWasm = input;
};
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