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33 lines
856 B
TypeScript
33 lines
856 B
TypeScript
///<reference path="./diff-match-patch.d.ts" />
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import DiffMatchPatch = require("diff-match-patch");
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var oldValue = "hello world, how are you?";
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var newValue = "hello again world. how have you been?";
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var diffEngine = new DiffMatchPatch.diff_match_patch();
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var diffs = diffEngine.diff_main(oldValue, newValue);
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diffEngine.diff_cleanupSemantic(diffs);
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var changes = "";
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var pattern = "";
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diffs.forEach(function(diff) {
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var operation = diff[0]; // Operation (insert, delete, equal)
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var text = diff[1]; // Text of change
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switch (operation) {
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case DiffMatchPatch.DIFF_INSERT:
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pattern += "I";
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break;
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case DiffMatchPatch.DIFF_DELETE:
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pattern += "D";
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break;
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case DiffMatchPatch.DIFF_EQUAL:
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pattern += "E";
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break;
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}
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changes += text;
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});
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