Top 10 Examples of "vega-event-selector in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'vega-event-selector' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
export default function(spec, scope, target) {
var events = spec.events,
update = spec.update,
encode = spec.encode,
sources = [],
entry = {target: target};
if (!events) {
error('Signal update missing events specification.');
}
// interpret as an event selector string
if (isString(events)) {
events = selector(events, scope.isSubscope() ? Scope : View);
}
// separate event streams from signal updates
events = array(events)
.filter(s => s.signal || s.scale ? (sources.push(s), 0) : 1);
// merge internal operator listeners
if (sources.length > 1) {
sources = [mergeSources(sources)];
}
// merge event streams, include as source
if (events.length) {
sources.push(events.length > 1 ? {merge: events} : events[0]);
}// a property (e.g., "nearest": true).
for (const key in cfg) {
// A selection should contain either `encodings` or `fields`, only use
// default values for these two values if neither of them is specified.
if ((key === 'encodings' && selDef.fields) || (key === 'fields' && selDef.encodings)) {
continue;
}
if (key === 'mark') {
selDef[key] = Object.assign({}, cfg[key], selDef[key]);
}
if (selDef[key] === undefined || selDef[key] === true) {
selDef[key] = cfg[key] || selDef[key];
}
}
name = varName(name);
const selCmpt = (selCmpts[name] = Object.assign({}, selDef, { name: name, events: isString(selDef.on) ? parseSelector(selDef.on, 'scope') : selDef.on }));
forEachTransform(selCmpt, txCompiler => {
if (txCompiler.parse) {
txCompiler.parse(model, selDef, selCmpt);
}
});
}
return selCmpts;
}
export function assembleUnitSelectionSignals(model, signals) {}
if (key === 'mark') {
selDef[key] = {...cfg[key], ...selDef[key]};
}
if (selDef[key] === undefined || selDef[key] === true) {
selDef[key] = cfg[key] ?? selDef[key];
}
}
const safeName = varName(name);
const selCmpt = (selCmpts[safeName] = {
...selDef,
name: safeName,
events: isString(selDef.on) ? parseSelector(selDef.on, 'scope') : duplicate(selDef.on)
} as any);
forEachTransform(selCmpt, txCompiler => {
if (txCompiler.has(selCmpt) && txCompiler.parse) {
txCompiler.parse(model, selCmpt, selDef, selDefs[name]);
}
});
}
return selCmpts;
}signals: (model, selCmpt, signals) => {
const name = selCmpt.name;
const hasScales = scalesCompiler.has(selCmpt);
const delta = name + DELTA;
const { x, y } = selCmpt.project.has;
const sx = stringValue(model.scaleName(X));
const sy = stringValue(model.scaleName(Y));
let events = parseSelector(selCmpt.zoom, 'scope');
if (!hasScales) {
events = events.map(e => ((e.markname = name + INTERVAL_BRUSH), e));
}
signals.push({
name: name + ANCHOR,
on: [
{
events: events,
update: !hasScales
? `{x: x(unit), y: y(unit)}`
: '{' +
[sx ? `x: invert(${sx}, x(unit))` : '', sy ? `y: invert(${sy}, y(unit))` : '']
.filter(expr => !!expr)
.join(', ') +
'}'
}export function assembleFacetSignals(model: FacetModel, signals: Signal[]) {
if (model.component.selection && keys(model.component.selection).length) {
const name = stringValue(model.getName('cell'));
signals.unshift({
name: 'facet',
value: {},
on: [
{
events: parseSelector('mousemove', 'scope'),
update: `isTuple(facet) ? facet : group(${name}).datum`
}
]
});
}
return cleanupEmptyOnArray(signals);
}parse: (model, selDef, selCmpt) => {
if (selDef.clear) {
selCmpt.clear = parseSelector(selDef.clear, 'scope');
}
},signals: (model, selCmpt, signals) => {
const name = selCmpt.name;
const hasScales = scalesCompiler.has(selCmpt);
const anchor = name + ANCHOR;
const {x, y} = selCmpt.project.hasChannel;
let events = parseSelector(selCmpt.translate, 'scope');
if (!hasScales) {
events = events.map(e => ((e.between[0].markname = name + INTERVAL_BRUSH), e));
}
signals.push(
{
name: anchor,
value: {},
on: [
{
events: events.map(e => e.between[0]),
update:
'{x: x(unit), y: y(unit)' +
(x !== undefined ? ', extent_x: ' + (hasScales ? domain(model, X) : `slice(${x.signals.visual})`) : '') +
(y !== undefined ? ', extent_y: ' + (hasScales ? domain(model, Y) : `slice(${y.signals.visual})`) : '') +signals: (model, selCmpt, signals) => {
const name = selCmpt.name;
const hasScales = scalesCompiler.has(selCmpt);
const anchor = name + ANCHOR;
const { x, y } = selCmpt.project.has;
let events = parseSelector(selCmpt.translate, 'scope');
if (!hasScales) {
events = events.map(e => ((e.between[0].markname = name + INTERVAL_BRUSH), e));
}
signals.push({
name: anchor,
value: {},
on: [
{
events: events.map(e => e.between[0]),
update: '{x: x(unit), y: y(unit)' +
(x !== undefined ? ', extent_x: ' + (hasScales ? domain(model, X) : `slice(${x.signals.visual})`) : '') +
(y !== undefined ? ', extent_y: ' + (hasScales ? domain(model, Y) : `slice(${y.signals.visual})`) : '') +
'}'
}
]
}, {export function assembleFacetSignals(model, signals) {
if (model.component.selection && keys(model.component.selection).length) {
const name = stringValue(model.getName('cell'));
signals.unshift({
name: 'facet',
value: {},
on: [
{
events: parseSelector('mousemove', 'scope'),
update: `isTuple(facet) ? facet : group(${name}).datum`
}
]
});
}
return signals;
}
export function assembleTopLevelSignals(model, signals) {signals: (model, selCmpt, signals) => {
const name = selCmpt.name;
const hasScales = scalesCompiler.has(selCmpt);
const delta = name + DELTA;
const {x, y} = selCmpt.project.hasChannel;
const sx = stringValue(model.scaleName(X));
const sy = stringValue(model.scaleName(Y));
let events = parseSelector(selCmpt.zoom, 'scope');
if (!hasScales) {
events = events.map(e => ((e.markname = name + INTERVAL_BRUSH), e));
}
signals.push(
{
name: name + ANCHOR,
on: [
{
events: events,
update: !hasScales
? `{x: x(unit), y: y(unit)}`
: '{' +
[sx ? `x: invert(${sx}, x(unit))` : '', sy ? `y: invert(${sy}, y(unit))` : '']
.filter(expr => !!expr)