Code coverage report for src/compiler/data.js

Statements: 100% (126 / 126)      Branches: 98.48% (65 / 66)      Functions: 100% (24 / 24)      Lines: 100% (126 / 126)      Ignored: none     

All files » src/compiler/ » data.js
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var vlEncDef = require('../encdef');
var util = require('../util');
var consts_1 = require('../consts');
var time = require('./time');
function default_1(encoding) {
    var def = [source.def(encoding)];
    var summaryDef = summary.def(encoding);
    if (summaryDef) {
        def.push(summaryDef);
    }
    filterNonPositive(def[def.length - 1], encoding);
    var stackCfg = encoding.stack();
    if (stackCfg) {
        def.push(stack.def(encoding, stackCfg));
    }
    return def;
}
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = default_1;
var source;
(function (source_1) {
    function def(encoding) {
        var source = { name: consts_1.Table.SOURCE };
        if (encoding.hasValues()) {
            source.values = encoding.data().values;
            source.format = { type: 'json' };
        }
        else {
            source.url = encoding.data().url;
            source.format = { type: encoding.data().formatType };
        }
        var parse = formatParse(encoding);
        if (parse) {
            source.format.parse = parse;
        }
        source.transform = transform(encoding);
        return source;
    }
    source_1.def = def;
    ;
    function formatParse(encoding) {
        var parse;
        encoding.forEach(function (encDef) {
            if (encDef.type == consts_1.Type.T) {
                parse = parse || {};
                parse[encDef.name] = 'date';
            }
            else if (encDef.type == consts_1.Type.Q) {
                if (vlEncDef.isCount(encDef))
                    return;
                parse = parse || {};
                parse[encDef.name] = 'number';
            }
        });
        return parse;
    }
    ;
    function transform(encoding) {
        return nullFilterTransform(encoding).concat(formulaTransform(encoding), timeTransform(encoding), binTransform(encoding), filterTransform(encoding));
    }
    source_1.transform = transform;
    ;
    function timeTransform(encoding) {
        return encoding.reduce(function (transform, encDef, encType) {
            if (encDef.type === consts_1.Type.T && encDef.timeUnit) {
                var fieldRef = encoding.fieldRef(encType, { nofn: true, datum: true });
                transform.push({
                    type: 'formula',
                    field: encoding.fieldRef(encType),
                    expr: time.formula(encDef.timeUnit, fieldRef)
                });
            }
            return transform;
        }, []);
    }
    source_1.timeTransform = timeTransform;
    ;
    function binTransform(encoding) {
        return encoding.reduce(function (transform, encDef, encType) {
            if (encoding.bin(encType)) {
                transform.push({
                    type: 'bin',
                    field: encDef.name,
                    output: {
                        start: encoding.fieldRef(encType, { bin_suffix: '_start' }),
                        end: encoding.fieldRef(encType, { bin_suffix: '_end' })
                    },
                    maxbins: encoding.bin(encType).maxbins
                });
                transform.push({
                    type: 'formula',
                    field: encoding.fieldRef(encType, { bin_suffix: '_mid' }),
                    expr: '(' + encoding.fieldRef(encType, { datum: 1, bin_suffix: '_start' }) + '+' + encoding.fieldRef(encType, { datum: 1, bin_suffix: '_end' }) + ')/2'
                });
            }
            return transform;
        }, []);
    }
    source_1.binTransform = binTransform;
    ;
    function nullFilterTransform(encoding) {
        var filteredFields = util.reduce(encoding.fields(), function (filteredFields, fieldList, fieldName) {
            if (fieldName === '*')
                return filteredFields;
            if ((encoding.config('filterNull').Q && fieldList.containsType[consts_1.Type.Q]) ||
                (encoding.config('filterNull').T && fieldList.containsType[consts_1.Type.T]) ||
                (encoding.config('filterNull').O && fieldList.containsType[consts_1.Type.O]) ||
                (encoding.config('filterNull').N && fieldList.containsType[consts_1.Type.N])) {
                filteredFields.push(fieldName);
            }
            return filteredFields;
        }, []);
        return filteredFields.length > 0 ?
            [{
                    type: 'filter',
                    test: filteredFields.map(function (fieldName) {
                        return 'datum.' + fieldName + '!==null';
                    }).join(' && ')
                }] : [];
    }
    source_1.nullFilterTransform = nullFilterTransform;
    ;
    function filterTransform(encoding) {
        var filter = encoding.data().filter;
        return filter ? [{
                type: 'filter',
                test: filter
            }] : [];
    }
    source_1.filterTransform = filterTransform;
    ;
    function formulaTransform(encoding) {
        var formulas = encoding.data().formulas;
        if (formulas === undefined) {
            return [];
        }
        return formulas.reduce(function (transform, formula) {
            formula.type = 'formula';
            transform.push(formula);
            return transform;
        }, []);
    }
    source_1.formulaTransform = formulaTransform;
    ;
})(source = exports.source || (exports.source = {}));
var summary;
(function (summary) {
    function def(encoding) {
        var dims = {};
        var meas = {};
        var hasAggregate = false;
        encoding.forEach(function (encDef, encType) {
            if (encDef.aggregate) {
                hasAggregate = true;
                if (encDef.aggregate === 'count') {
                    meas['*'] = meas['*'] || {};
                    meas['*'].count = true;
                }
                else {
                    meas[encDef.name] = meas[encDef.name] || {};
                    meas[encDef.name][encDef.aggregate] = true;
                }
            }
            else {
                if (encDef.bin) {
                    dims[encoding.fieldRef(encType, { bin_suffix: '_start' })] = encoding.fieldRef(encType, { bin_suffix: '_start' });
                    dims[encoding.fieldRef(encType, { bin_suffix: '_mid' })] = encoding.fieldRef(encType, { bin_suffix: '_mid' });
                    dims[encoding.fieldRef(encType, { bin_suffix: '_end' })] = encoding.fieldRef(encType, { bin_suffix: '_end' });
                }
                else {
                    dims[encDef.name] = encoding.fieldRef(encType);
                }
            }
        });
        var groupby = util.vals(dims);
        var summarize = util.reduce(meas, function (summarize, fnDictSet, field) {
            summarize[field] = util.keys(fnDictSet);
            return summarize;
        }, {});
        if (hasAggregate) {
            return {
                name: consts_1.Table.SUMMARY,
                source: consts_1.Table.SOURCE,
                transform: [{
                        type: 'aggregate',
                        groupby: groupby,
                        summarize: summarize
                    }]
            };
        }
        return null;
    }
    summary.def = def;
    ;
})(summary = exports.summary || (exports.summary = {}));
var stack;
(function (stack) {
    function def(encoding, stackCfg) {
        var dim = stackCfg.groupby;
        var val = stackCfg.value;
        var facets = encoding.facets();
        var stacked = {
            name: consts_1.Table.STACKED,
            source: encoding.dataTable(),
            transform: [{
                    type: 'aggregate',
                    groupby: [encoding.fieldRef(dim)].concat(facets),
                    summarize: [{ ops: ['sum'], field: encoding.fieldRef(val) }]
                }]
        };
        if (facets && facets.length > 0) {
            stacked.transform.push({
                type: 'aggregate',
                groupby: facets,
                summarize: [{
                        ops: ['max'],
                        field: encoding.fieldRef(val, { prefn: 'sum_' })
                    }]
            });
        }
        return stacked;
    }
    stack.def = def;
    ;
})(stack = exports.stack || (exports.stack = {}));
function filterNonPositive(dataTable, encoding) {
    encoding.forEach(function (encDef, encType) {
        if (encoding.scale(encType).type === 'log') {
            dataTable.transform.push({
                type: 'filter',
                test: encoding.fieldRef(encType, { datum: 1 }) + ' > 0'
            });
        }
    });
}
exports.filterNonPositive = filterNonPositive;
;
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