@neo-one/smart-contract-compiler-esnext-esm/compile/builtins/map/has.js

NEO•ONE TypeScript smart contract compiler.

import { tsUtils } from '@neo-one/ts-utils-esnext-esm';
import { BuiltinInstanceMemberCall } from '../BuiltinInstanceMemberCall';
export class MapHas extends BuiltinInstanceMemberCall {
    canCall(_sb, _func, node) {
        return tsUtils.argumented.getArguments(node).length === 1;
    }
    emitCall(sb, func, node, optionsIn, visited) {
        const options = sb.pushValueOptions(optionsIn);
        if (!visited) {
            sb.visit(tsUtils.expression.getExpression(func), options);
        }
        if (tsUtils.argumented.getArguments(node).length < 1) {
            return;
        }
        sb.emitHelper(node, options, sb.helpers.unwrapMap);
        sb.visit(tsUtils.argumented.getArguments(node)[0], options);
        sb.emitOp(node, 'HASKEY');
        sb.emitHelper(node, options, sb.helpers.wrapBoolean);
        if (!optionsIn.pushValue) {
            sb.emitOp(node, 'DROP');
        }
    }
}

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