27 lines
875 B
JavaScript
27 lines
875 B
JavaScript
// Apply the paper editing trace to an Automerge.Text object, one char at a time
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const { edits, finalText } = require('./editing-trace')
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const Automerge = require('../automerge-js')
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const wasm_api = require('../automerge-wasm')
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Automerge.use(wasm_api)
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const start = new Date()
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let state = Automerge.from({text: new Automerge.Text()})
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state = Automerge.change(state, doc => {
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for (let i = 0; i < edits.length; i++) {
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if (i % 10000 === 0) {
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console.log(`Processed ${i} edits in ${new Date() - start} ms`)
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}
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let edit = edits[i]
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if (edit[1] > 0) doc.text.deleteAt(edit[0], edit[1])
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if (edit.length > 2) doc.text.insertAt(edit[0], ...edit.slice(2))
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}
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})
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let _ = Automerge.save(state)
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console.log(`Done in ${new Date() - start} ms`)
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if (state.text.join('') !== finalText) {
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throw new RangeError('ERROR: final text did not match expectation')
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}
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