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Output over 1MiB is passed back as an ArrayBuffer and an output file card is displayed.

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This commit is contained in:
n1474335 2017-12-26 00:44:40 +00:00
parent 0e7989111f
commit af71ca6a25
7 changed files with 130 additions and 35 deletions
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7
src/core/Chef.js
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@ -76,10 +76,15 @@ Chef.prototype.bake = async function(input, recipeConfig, options, progress, ste
progress = err.progress;
}
// Depending on the size of the output, we may send it back as a string or an ArrayBuffer.
// This can prevent unnecessary casting as an ArrayBuffer can be easily downloaded as a file.
// 1048576 bytes = 1 MiB
const returnType = this.dish.size() > 1048576 ? Dish.ARRAY_BUFFER : Dish.STRING;
return {
result: this.dish.type === Dish.HTML ?
this.dish.get(Dish.HTML) :
this.dish.get(Dish.STRING),
this.dish.get(returnType),
type: Dish.enumLookup(this.dish.type),
progress: progress,
duration: new Date().getTime() - startTime,

25
src/core/Utils.js
View file

@ -349,7 +349,14 @@ const Utils = {
* @returns {byteArray}
*
* @example
* // returns []
* // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
* Utils.convertToByteArray("Привет", "utf8");
*
* // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
* Utils.convertToByteArray("d097d0b4d180d0b0d0b2d181d182d0b2d183d0b9d182d0b5", "hex");
*
* // returns [208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130]
* Utils.convertToByteArray("0JfQtNGA0LDQstGB0YLQstGD0LnRgtC1", "base64");
*/
convertToByteArray: function(str, type) {
switch (type.toLowerCase()) {
@ -511,6 +518,22 @@ const Utils = {
},
/**
* Converts an ArrayBuffer to a string.
*
* @param {ArrayBuffer} arrayBuffer
* @returns {string}
*
* @example
* // returns "hello"
* Utils.arrayBufferToStr(Uint8Array.from([104,101,108,108,111]).buffer);
*/
arrayBufferToStr: function(arrayBuffer) {
const byteArray = Array.prototype.slice.call(new Uint8Array(arrayBuffer));
return Utils.byteArrayToUtf8(byteArray);
},
/**
* Base64's the input byte array using the given alphabet, returning a string.
*