From 9979c1c695b2a0b951fb1da8d435132fe69cec5d Mon Sep 17 00:00:00 2001
From: Rafael Rocha <rocha.rafaelsilva@gmail.com>
Date: Sun, 5 Jan 2020 02:18:31 -0300
Subject: [PATCH] Use AMD externs to keep compatibility with AMD

---
 dist/wavefile.js | 2 +-
 externs/amd.js   | 2 ++
 rollup.config.js | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 externs/amd.js

diff --git a/dist/wavefile.js b/dist/wavefile.js
index 7ef1660..a44e1e8 100644
--- a/dist/wavefile.js
+++ b/dist/wavefile.js
@@ -72,4 +72,4 @@ this.data.samples.length/(this.f.h/8),f=new Float64Array(e);e=new Float64Array(e
 0;p<c;p++)e[p]=h(f[p],l);if("8"==d)for(f=0;f<c;f++)e[f]=e[f]+=128;this.s(this.fmt.numChannels,this.fmt.sampleRate,a,e,{container:this.v()})};n.prototype.G=function(){this.N();"16"!=this.bitDepth&&this.toBitDepth("16")};n.prototype.N=function(){"8a"==this.bitDepth?this.fromALaw():"8m"==this.bitDepth?this.fromMuLaw():"4"==this.bitDepth&&this.fromIMAADPCM()};n.prototype.v=function(){return"RF64"==this.container?"RIFF":this.container};n.prototype.s=function(a,b,c,d,e){e=void 0===e?{}:e;var f=new k;Object.assign(this.fmt,
 f.fmt);Object.assign(this.fact,f.fact);Object.assign(this.ds64,f.ds64);Object.assign(this.data,f.data);this.R(a,b,c,d,e)};n.prototype.L=function(){var a=this.data.samples.length/2;a%2&&a++;return a};Q(m,n);m.prototype.fromBase64=function(a){this.fromBuffer(new Uint8Array(la(a)))};m.prototype.toBase64=function(){for(var a=this.toBuffer(),b="",c=0;c<a.length;c+=3)b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[c]>>2],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[c]&
 3)<<4|a[c+1]>>4],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[(a[c+1]&15)<<2|a[c+2]>>6],b+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"[a[c+2]&63];2===a.length%3?b=b.substring(0,b.length-1)+"=":1===a.length%3&&(b=b.substring(0,b.length-2)+"==");return b};m.prototype.toDataURI=function(){return"data:audio/wav;base64,"+this.toBase64()};m.prototype.fromDataURI=function(a){this.fromBase64(a.replace("data:audio/wav;base64,",""))};r.WaveFile=m;Object.defineProperty(r,
-"__esModule",{value:!0})}"object"===typeof exports&&"undefined"!==typeof module?Z(exports):"function"===typeof define&&define.Sa?define(["exports"],Z):(Y=Y||self,Z(Y.wavefile={}));
+"__esModule",{value:!0})}"object"===typeof exports&&"undefined"!==typeof module?Z(exports):"function"===typeof define&&define.amd?define(["exports"],Z):(Y=Y||self,Z(Y.wavefile={}));
diff --git a/externs/amd.js b/externs/amd.js
new file mode 100644
index 0000000..1526803
--- /dev/null
+++ b/externs/amd.js
@@ -0,0 +1,2 @@
+// To keep AMD compatibility
+var amd = {};
diff --git a/rollup.config.js b/rollup.config.js
index 8eddb48..9a7e36b 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -54,7 +54,7 @@ export default [
         compilation_level: 'ADVANCED',
         warning_level: 'VERBOSE',
         outputWrapper: polyfills + '%output%',
-        externs: ['externs/wavefile.js']
+        externs: ['externs/wavefile.js','externs/amd.js',]
       }),
       compiler({
         language_in: 'ECMASCRIPT3',