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import IMask from './holder.js'; |
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|
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/** Provides details of changing model value */ |
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class ChangeDetails { |
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/** Inserted symbols */ |
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|
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/** Additional offset if any changes occurred before tail */ |
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|
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/** Raw inserted is used by dynamic mask */ |
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|
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/** Can skip chars */ |
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|
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static normalize(prep) { |
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return Array.isArray(prep) ? prep : [prep, new ChangeDetails()]; |
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} |
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constructor(details) { |
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Object.assign(this, { |
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inserted: '', |
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rawInserted: '', |
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tailShift: 0, |
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skip: false |
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}, details); |
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} |
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|
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/** Aggregate changes */ |
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aggregate(details) { |
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this.inserted += details.inserted; |
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this.rawInserted += details.rawInserted; |
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this.tailShift += details.tailShift; |
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this.skip = this.skip || details.skip; |
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return this; |
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} |
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|
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/** Total offset considering all changes */ |
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get offset() { |
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return this.tailShift + this.inserted.length; |
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} |
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get consumed() { |
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return Boolean(this.rawInserted) || this.skip; |
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} |
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equals(details) { |
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return this.inserted === details.inserted && this.tailShift === details.tailShift && this.rawInserted === details.rawInserted && this.skip === details.skip; |
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} |
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} |
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IMask.ChangeDetails = ChangeDetails; |
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|
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export { ChangeDetails as default }; |
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