convert heatmap/, contour/, waterfall/, funnel/, ohlc/, funnelarea/ to TypeScript

81 files with real types (GraphDiv, FullTrace, FullLayout, FullAxis,
PlotInfo, CalcDatum, InputTrace).

Total: 438 .ts / 397 .js (52% converted — now majority TypeScript).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ryan-williams

perf/thresholds.json

@@ -1,7 +1,7 @@
 {
     "bundleSize": {
         "lite": {
-            "expected_bytes": 1786972
+            "expected_bytes": 1786976
         },
         "lite-min": {
             "expected_bytes": 916326

src/traces/contour/attributes.js src/traces/contour/attributes.tssrc/traces/contour/attributes.js renamed to src/traces/contour/attributes.ts

@@ -1,9 +1,10 @@
+import type { FullTrace, GraphDiv } from '../../../types/core';
 import Colorscale from '../../components/colorscale/index.js';
 import heatmapCalc from '../heatmap/calc.js';
 import setContours from './set_contours.js';
 import endPlus from './end_plus.js';
 
-export default function calc(gd, trace) {
+export default function calc(gd: GraphDiv,  trace: FullTrace) {
     var cd = heatmapCalc(gd, trace);
 
     var zOut = cd[0].z;

src/traces/contour/calc.js src/traces/contour/calc.tssrc/traces/contour/calc.js renamed to src/traces/contour/calc.ts

@@ -1,13 +1,14 @@
+import type { FullTrace, GraphDiv } from '../../../types/core';
 import Colorscale from '../../components/colorscale/index.js';
 import makeColorMap from './make_color_map.js';
 import endPlus from './end_plus.js';
 
-function calc(gd, trace, opts) {
+function calc(gd: GraphDiv,  trace: FullTrace,  opts) {
     var contours = trace.contours;
     var line = trace.line;
     var cs = contours.size || 1;
     var coloring = contours.coloring;
-    var colorMap = makeColorMap(trace, {isColorbar: true});
+    var colorMap = (makeColorMap as any)(trace, {isColorbar: true});
 
     if(coloring === 'heatmap') {
         var cOpts = Colorscale.extractOpts(trace);

src/traces/contour/close_boundaries.js src/traces/contour/close_boundaries.tssrc/traces/contour/close_boundaries.js renamed to src/traces/contour/close_boundaries.ts

@@ -1,3 +1,4 @@
+import type { FullLayout, FullTrace, InputTrace } from '../../../types/core';
 import isNumeric from 'fast-isnumeric';
 import handleLabelDefaults from './label_defaults.js';
 import Color from '../../components/color/index.js';
@@ -10,7 +11,7 @@ var opacity = Color.opacity;
 var CONSTRAINT_REDUCTION = filterOps.CONSTRAINT_REDUCTION;
 var COMPARISON_OPS2 = filterOps.COMPARISON_OPS2;
 
-export default function handleConstraintDefaults(traceIn, traceOut, coerce, layout, defaultColor, opts) {
+export default function handleConstraintDefaults(traceIn: InputTrace, traceOut: FullTrace, coerce: any, layout: FullLayout, defaultColor: string, opts?: any) {
     var contours = traceOut.contours;
     var showLines, lineColor, fillColor;
 
@@ -42,7 +43,7 @@ export default function handleConstraintDefaults(traceIn, traceOut, coerce, layo
     handleLabelDefaults(coerce, layout, lineColor, opts);
 }
 
-function handleConstraintValueDefaults(coerce, contours) {
+function handleConstraintValueDefaults(coerce,  contours) {
     var zvalue;
 
     if(COMPARISON_OPS2.indexOf(contours.operation) === -1) {

src/traces/contour/colorbar.js src/traces/contour/colorbar.tssrc/traces/contour/colorbar.js renamed to src/traces/contour/colorbar.ts

@@ -11,12 +11,12 @@ export default {
 
 // This does not in any way shape or form support calendars. It's adapted from
 // transforms/filter.js.
-function coerceValue(operation, value) {
+function coerceValue(operation,  value) {
     var hasArrayValue = Array.isArray(value);
 
     var coercedValue;
 
-    function coerce(value) {
+    function coerce(value: any) {
         return isNumeric(value) ? (+value) : null;
     }
 

src/traces/contour/constants.js src/traces/contour/constants.tssrc/traces/contour/constants.js renamed to src/traces/contour/constants.ts

@@ -1,4 +1,5 @@
-export default function handleContourDefaults(traceIn, traceOut, coerce, coerce2) {
+import type { FullTrace, InputTrace } from '../../../types/core';
+export default function handleContourDefaults(traceIn: InputTrace, traceOut: FullTrace, coerce: any, coerce2: any) {
     var contourStart = coerce2('contours.start');
     var contourEnd = coerce2('contours.end');
     var missingEnd = (contourStart === false) || (contourEnd === false);