33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
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// A block is an operation removing, adding, or changing a group of items.
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// Basically, this is just a list of changes, where each change adds or
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// deletes a single item. Used by bin/ldiff.
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var Block = exports.Block = function(chunk) {
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this.changes = [];
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this.insert = [];
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this.remove = [];
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var self = this;
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chunk.forEach(function(item) {
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self.changes.push(item);
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if(item.is_deleting()) self.remove.push(item);
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if(item.is_adding()) self.insert.push(item);
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})
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Object.defineProperty(this, "diff_size", { get: function() { return self.insert.length - self.remove.length; }, enumerable: true});
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Object.defineProperty(this, "op", { get: function() {
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var result = [self.remove.length == 0, self.insert.length == 0];
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if(!result[0] && !result[1]) {
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return "!";
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} else if(!result[0] && result[1]) {
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return "-";
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} else if(result[0] && result[1]) {
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return "+";
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} else {
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return "^";
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}
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}, enumerable: true});
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}
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Block.prototype.op = function() {
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}
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