@zondax/ts-results/rxjs-operators/index.js

A typescript implementation of Rust's Result and Option objects. (Forked)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.tapResultOk = exports.tapResultErr = exports.filterResultErr = exports.filterResultOk = exports.resultMergeMap = exports.resultSwitchMap = exports.elseMapTo = exports.elseMap = exports.resultMapErrTo = exports.resultMapTo = exports.resultMapErr = exports.resultMap = void 0;
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var index_1 = require("../index");
function resultMap(mapper) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) { return result.map(mapper); }));
    };
}
exports.resultMap = resultMap;
function resultMapErr(mapper) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) { return result.mapErr(mapper); }));
    };
}
exports.resultMapErr = resultMapErr;
function resultMapTo(value) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) { return result.map(function () { return value; }); }));
    };
}
exports.resultMapTo = resultMapTo;
function resultMapErrTo(value) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) { return result.mapErr(function () { return value; }); }));
    };
}
exports.resultMapErrTo = resultMapErrTo;
function elseMap(mapper) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) {
            if (result.err) {
                return mapper(result.val);
            }
            else {
                return result.val;
            }
        }));
    };
}
exports.elseMap = elseMap;
function elseMapTo(value) {
    return function (source) {
        return source.pipe(operators_1.map(function (result) {
            if (result.err) {
                return value;
            }
            else {
                return result.val;
            }
        }));
    };
}
exports.elseMapTo = elseMapTo;
function resultSwitchMap(mapper) {
    return function (source) {
        return source.pipe(operators_1.switchMap(function (result) {
            if (result.ok) {
                return mapper(result.val);
            }
            else {
                return rxjs_1.of(result);
            }
        }), operators_1.map(function (result) {
            if (index_1.Result.isResult(result)) {
                return result;
            }
            else {
                return new index_1.Ok(result);
            }
        }));
    };
}
exports.resultSwitchMap = resultSwitchMap;
function resultMergeMap(mapper) {
    return function (source) {
        return source.pipe(operators_1.mergeMap(function (result) {
            if (result.ok) {
                return mapper(result.val);
            }
            else {
                return rxjs_1.of(result);
            }
        }), operators_1.map(function (result) {
            if (index_1.Result.isResult(result)) {
                return result;
            }
            else {
                return new index_1.Ok(result);
            }
        }));
    };
}
exports.resultMergeMap = resultMergeMap;
function filterResultOk() {
    return function (source) {
        return source.pipe(operators_1.filter(function (result) { return result.ok; }), operators_1.map(function (result) { return result.val; }));
    };
}
exports.filterResultOk = filterResultOk;
function filterResultErr() {
    return function (source) {
        return source.pipe(operators_1.filter(function (result) { return result.err; }), operators_1.map(function (result) { return result.val; }));
    };
}
exports.filterResultErr = filterResultErr;
function tapResultErr(tapFn) {
    return function (source) {
        return source.pipe(operators_1.tap(function (r) {
            if (!r.ok) {
                tapFn(r.val);
            }
        }));
    };
}
exports.tapResultErr = tapResultErr;
function tapResultOk(tapFn) {
    return function (source) {
        return source.pipe(operators_1.tap(function (r) {
            if (r.ok) {
                tapFn(r.val);
            }
        }));
    };
}
exports.tapResultOk = tapResultOk;
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