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38 lines
896 B
JavaScript
38 lines
896 B
JavaScript
'use strict';
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const defaultValue = require("default-value");
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const createEventEmitter = require("create-event-emitter");
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const pruneArray = require("./prune-array");
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const clampZero = require("./clamp-zero");
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module.exports = function createPasteStore(options = {}) {
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let pastes = [];
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let counter = 0;
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let pasteLimit = defaultValue(options.pasteLimit, 250);
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return createEventEmitter({
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add: function addPaste(pasteData) {
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let paste = Object.assign({
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counter: counter++
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}, pasteData);
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pastes.push(paste);
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this.emit("added", paste);
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pruneArray(pastes, pasteLimit);
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},
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since: function getPastesSince(counter) {
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return pastes.filter((paste) => {
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return (paste.counter > counter);
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});
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},
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all: function getAllPastes() {
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return pastes;
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},
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last: function getLastPastes(count) {
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return pastes.slice(clampZero(pastes.length - count));
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}
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});
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};
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