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json-joy

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Collection of libraries for building collaborative editing apps.

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import { AbstractPredicateOp } from './AbstractPredicateOp'; import { find, formatJsonPointer } from '@jsonjoy.com/json-pointer'; import { OPCODE } from '../constants'; /** * @category JSON Predicate */ export class OpLess extends AbstractPredicateOp { value; constructor(path, value) { super(path); this.value = value; } op() { return 'less'; } code() { return OPCODE.less; } test(doc) { const { val } = find(doc, this.path); if (typeof val !== 'number') return false; const test = val < this.value; return test; } toJson(parent) { const op = { op: 'less', path: formatJsonPointer(parent ? this.path.slice(parent.path.length) : this.path), value: this.value, }; return op; } toCompact(parent, verbose) { const opcode = verbose ? 'less' : OPCODE.less; return [opcode, parent ? this.path.slice(parent.path.length) : this.path, this.value]; } encode(encoder, parent) { encoder.encodeArrayHeader(3); encoder.writer.u8(OPCODE.less); encoder.encodeArray(parent ? this.path.slice(parent.path.length) : this.path); encoder.encodeNumber(this.value); } }