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44 lines
961 B
44 lines
961 B
1 month ago
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'use strict';
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const stream = require('stream');
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const Transform = stream.Transform;
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/**
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* Ensures that only <LF> is used for linebreaks
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*
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* @param {Object} options Stream options
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*/
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class LeWindows extends Transform {
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constructor(options) {
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super(options);
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// init Transform
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this.options = options || {};
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}
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/**
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* Escapes dots
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*/
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_transform(chunk, encoding, done) {
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let buf;
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let lastPos = 0;
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for (let i = 0, len = chunk.length; i < len; i++) {
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if (chunk[i] === 0x0d) {
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// \n
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buf = chunk.slice(lastPos, i);
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lastPos = i + 1;
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this.push(buf);
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}
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}
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if (lastPos && lastPos < chunk.length) {
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buf = chunk.slice(lastPos);
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this.push(buf);
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} else if (!lastPos) {
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this.push(chunk);
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}
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done();
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}
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}
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module.exports = LeWindows;
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