ipfs storage for images and other nontext items. for use with etica - runs on etica network and currencys
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63 lines
1.9 KiB
63 lines
1.9 KiB
import { defineProperties } from "../../utils/properties.js"; |
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import { Typed } from "../typed.js"; |
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import { Coder } from "./abstract-coder.js"; |
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import { pack, unpack } from "./array.js"; |
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/** |
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* @_ignore |
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*/ |
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export class TupleCoder extends Coder { |
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coders; |
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constructor(coders, localName) { |
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let dynamic = false; |
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const types = []; |
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coders.forEach((coder) => { |
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if (coder.dynamic) { |
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dynamic = true; |
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} |
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types.push(coder.type); |
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}); |
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const type = ("tuple(" + types.join(",") + ")"); |
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super("tuple", type, localName, dynamic); |
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defineProperties(this, { coders: Object.freeze(coders.slice()) }); |
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} |
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defaultValue() { |
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const values = []; |
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this.coders.forEach((coder) => { |
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values.push(coder.defaultValue()); |
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}); |
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// We only output named properties for uniquely named coders |
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const uniqueNames = this.coders.reduce((accum, coder) => { |
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const name = coder.localName; |
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if (name) { |
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if (!accum[name]) { |
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accum[name] = 0; |
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} |
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accum[name]++; |
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} |
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return accum; |
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}, {}); |
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// Add named values |
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this.coders.forEach((coder, index) => { |
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let name = coder.localName; |
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if (!name || uniqueNames[name] !== 1) { |
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return; |
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} |
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if (name === "length") { |
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name = "_length"; |
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} |
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if (values[name] != null) { |
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return; |
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} |
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values[name] = values[index]; |
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}); |
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return Object.freeze(values); |
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} |
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encode(writer, _value) { |
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const value = Typed.dereference(_value, "tuple"); |
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return pack(writer, this.coders, value); |
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} |
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decode(reader) { |
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return unpack(reader, this.coders); |
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} |
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} |
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//# sourceMappingURL=tuple.js.map
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