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{
"version": 8,
"glyphs": "https://example.com/{fontstack}/{range}",
"sources": {
"vector": {
"type": "vector",
"url": "mapbox://mapbox.mapbox-streets-v5"
}
},
"layers": [
{
"id": "minimum",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["Helvetica"],
"text-field": "{foo}"
}
},
{
"id": "valid expression - case",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["case", ["==", "a", ["string", ["get", "text-font"]]], ["literal", ["Arial"]], ["literal", ["Helvetica"]]],
"text-field": "{foo}"
}
},
{
"id": "valid expression - match",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["match", ["get", "text-font"], "a", ["literal", ["Arial"]], ["literal", ["Helvetica"]]],
"text-field": "{foo}"
}
},
{
"id": "valid expression - step",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["array", "string", ["step", ["get", "text-font"], ["literal", ["Arial"]], 0, ["literal", ["Helvetica"]]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - get",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["array", "string", ["get", "text-font"]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - case",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["case", ["==", "a", ["string", ["get", "text-font"]]], ["array", "string", ["get", "text-font-a"]], ["literal", ["Helvetica"]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - match",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["match", ["get", "text-font"], "a", ["array", "string", ["get", "text-font-a"]], ["literal", ["Helvetica"]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - at",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["array", "string", ["at", 0, ["array", ["get", "text-font"]]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - coalesce",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["array", "string", ["coalesce", ["get", "text-font"]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - step",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["step", ["zoom"], ["array", "string", ["get", "text-font-0"]], 0, ["array", "string", ["get", "text-font-1"]]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - let/var",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": ["let", "p", ["array", "string", ["get", "text-font"]], ["var", "p"]],
"text-field": "{foo}"
}
},
{
"id": "invalid expression - identity function",
"type": "symbol",
"source": "vector",
"source-layer": "layer",
"layout": {
"text-font": {
"type": "identity",
"property": "text-font"
},
"text-field": "{foo}"
}
}
]
}
|
