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JSON literals which are null. #348

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Merged
merged 2 commits into from
Jan 7, 2020
Merged

JSON literals which are null. #348

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e59eb7c
JSON literals which are null.
gkellogg Dec 30, 2019
b76a3b2
Consolodate test for JSON Literal type.
gkellogg Jan 3, 2020
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31 changes: 25 additions & 6 deletions lib/expand.js
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Original file line number Diff line number Diff line change
Expand Up @@ -213,12 +213,16 @@ api.expand = async ({
// set the type-scoped context to the context on input, for use later
typeScopedContext = activeCtx;

// Remember the first key found expanding to @type
let typeKey = null;

// look for scoped contexts on `@type`
for(const key of keys) {
const expandedProperty = _expandIri(activeCtx, key, {vocab: true}, options);
if(expandedProperty === '@type') {
// set scoped contexts from @type
// avoid sorting if possible
typeKey = typeKey || key;
const value = element[key];
const types =
Array.isArray(value) ?
Expand Down Expand Up @@ -248,6 +252,7 @@ api.expand = async ({
options,
insideList,
typeScopedContext,
typeKey,
expansionMap});

// get property count on expanded output
Expand Down Expand Up @@ -283,7 +288,10 @@ api.expand = async ({
const types = _getValues(rval, '@type');

// drop null @values unless custom mapped
if(values.length === 0) {
if(_processingMode(activeCtx, 1.1) && types.includes('@json') &&
types.length === 1) {
// Any value of @value is okay if @type: @json
} else if(values.length === 0) {
const mapped = await expansionMap({
unmappedValue: rval,
activeCtx,
Expand All @@ -304,9 +312,6 @@ api.expand = async ({
'Invalid JSON-LD syntax; only strings may be language-tagged.',
'jsonld.SyntaxError',
{code: 'invalid language-tagged value', element: rval});
} else if(_processingMode(activeCtx, 1.1) && types.includes('@json') &&
types.length === 1) {
// Any value of @value is okay if @type: @json
} else if(!types.every(t =>
(_isAbsoluteIri(t) && !(_isString(t) && t.indexOf('_:') === 0) ||
_isEmptyObject(t)))) {
Expand Down Expand Up @@ -402,11 +407,19 @@ async function _expandObject({
options = {},
insideList,
typeScopedContext,
typeKey,
expansionMap
}) {
const keys = Object.keys(element).sort();
const nests = [];
let unexpandedValue;

// Figure out if this is the type for a JSON literal
const isJsonType = element[typeKey] &&
_expandIri(activeCtx,
(_isArray(element[typeKey]) ? element[typeKey][0] : element[typeKey]),
{vocab: true}, options) == '@json';

for(const key of keys) {
let value = element[key];
let expandedValue;
Expand Down Expand Up @@ -517,8 +530,13 @@ async function _expandObject({
// capture value for later
// "colliding keywords" check prevents this from being set twice
unexpandedValue = value;
_addValue(
expandedParent, '@value', value, {propertyIsArray: options.isFrame});
if(isJsonType && _processingMode(activeCtx, 1.1)) {
// no coercion to array, and retain all values
expandedParent['@value'] = value;
} else {
_addValue(
expandedParent, '@value', value, {propertyIsArray: options.isFrame});
}
continue;
}

Expand Down Expand Up @@ -803,6 +821,7 @@ async function _expandObject({
expandedParent,
options,
insideList,
typeKey,
expansionMap});
}
}
Expand Down
7 changes: 0 additions & 7 deletions tests/test-common.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,6 @@ const TEST_TYPES = {
/compact-manifest.jsonld#tin03$/,
/compact-manifest.jsonld#tin04$/,
/compact-manifest.jsonld#tin05$/,
// @json null
/compact-manifest.jsonld#tjs11$/,
// direction
/compact-manifest.jsonld#tdi01$/,
/compact-manifest.jsonld#tdi02$/,
Expand Down Expand Up @@ -113,8 +111,6 @@ const TEST_TYPES = {
/expand-manifest.jsonld#te044$/,
/expand-manifest.jsonld#te048$/,
/expand-manifest.jsonld#te049$/,
/expand-manifest.jsonld#tjs22$/,
/expand-manifest.jsonld#tjs23$/,
// protected null IRI mapping
/expand-manifest.jsonld#tpr28$/,
// remote
Expand Down Expand Up @@ -440,9 +436,6 @@ const TEST_TYPES = {
/toRdf-manifest.jsonld#tdi10$/,
/toRdf-manifest.jsonld#tdi11$/,
/toRdf-manifest.jsonld#tdi12$/,
// JSON literal
/toRdf-manifest.jsonld#tjs22$/,
/toRdf-manifest.jsonld#tjs23$/,
]
},
fn: 'toRDF',
Expand Down