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Updated readme for transformAll example #632

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13 changes: 10 additions & 3 deletions README.md
Expand Up @@ -757,10 +757,17 @@ module.exports = {
to: "dest/file.txt",
// The `assets` argument is an assets array for the pattern.from ("src/**/*.txt")
transformAll(assets) {
// The assets parameter contains an array of assets
const result = assets.reduce((accumulator, asset) => {
// The asset content can be obtained from `asset.source` using `source` method.
// The asset content is a [`Buffer`](https://nodejs.org/api/buffer.html) object, it could be converted to a `String` to be processed using `content.toString()`
const content = asset.data;
// Each `asset` contains the following data structure:
// {
// data: [`Buffer`], // asset text content can be obtained via asset.data.toString()
// sourceFilename: [`String`],
// absoluteFilename: [`String`],
// }
// The asset content can be obtained from `asset.data`.
// The asset content is a [`Buffer`](https://nodejs.org/api/buffer.html) object, it could be converted to a `String` to be processed using `data.toString()`
const content = asset.data.toString();

accumulator = `${accumulator}${content}\n`;
return accumulator;
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