54 行
1.6 KiB
Markdown
54 行
1.6 KiB
Markdown
utf8-typed
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==========
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Base64, TypedArrays, and UTF-8 / Unicode conversions in Browser (and Node) JavaScript
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This is based wholly on the work by good folks at the MDN.
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See <https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding>
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API
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===
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```javascript
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// TypedArray <--> UTF8
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var uint8Array = Unibabel.strToUtf8Arr(str);
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var str = Unibabel.utf8ArrToStr(uint8Array);
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// TypedArray <--> Base64
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var base64 = Unibabel.arrToBase64(uint8Array)
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var uint8Array = Unibabel.base64ToArr(base64)
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```
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Examples
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========
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```javascript
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// Base64
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var myArray = Unibabel.base64ToArr("QmFzZSA2NCDigJQgTW96aWxsYSBEZXZlbG9wZXIgTmV0d29yaw=="); // "Base 64 \u2014 Mozilla Developer Network"
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var myBuffer = Unibabel.base64ToArr("QmFzZSA2NCDigJQgTW96aWxsYSBEZXZlbG9wZXIgTmV0d29yaw==").buffer; // "Base 64 \u2014 Mozilla Developer Network"
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console.log(myBuffer.byteLength);
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// Crazy Unicode
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var sMyInput = "I'm a ☢ ☃ that plays 𝄢 guitar and spea̧͈͖ks Ar̽̾̈́͒͑ ̶̧̨̱̹̭̯ͧ̾ͬC̷̙̲̝͖ͭ̏ͥͮ͟Oͮ͏̮̪̝͍M̲̖͊̒ͪͩͬ̚̚͜!";
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var aMyUTF8Input = Unibabel.strToUtf8Arr(sMyInput);
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var sMyBase64 = Unibabel.arrToBase64(aMyUTF8Input);
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alert(sMyBase64);
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var aMyUTF8Output = Unibabel.base64ToArr(sMyBase64);
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var sMyOutput = Unibabel.utf8ArrToStr(aMyUTF8Output);
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alert(sMyOutput);
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```
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License
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=======
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Mozilla has licensed this code in the Public Domain, which means that I am at liberty to re-license my copy
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under the Apache 2, which is something that, general speaking, your legal department will feel more comfortable with.
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See <https://developer.mozilla.org/en-US/docs/MDN/About#Copyrights_and_licenses>
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