{"record":{"id":"c45dcdd972b43f05","repo":"plotly/plotly.js","slug":"too-many-name-warnings-additional-warnings","errorCode":null,"errorMessage":"Too many '${name}' warnings - additional warnings will be suppressed.","messagePattern":"Too many '(.+?)' warnings - additional warnings will be suppressed\\.","errorType":"console","errorClass":null,"httpStatus":null,"severity":"info","filePath":"src/lib/index.js","lineNumber":1151,"sourceCode":"                    value = lib.nestedProperty(obj, key).get(true);\n                }\n                if (value !== undefined) break;\n            }\n        }\n\n        if (value === undefined) {\n            const { count, max, name } = opts;\n            const fallbackValue = fallback === false ? match : fallback;\n            if (count < max) {\n                lib.warn(\n                    [\n                        `Variable '${key}' in ${name} could not be found!`,\n                        'Please verify that the template is correct.',\n                        `Using value: '${fallbackValue}'.`\n                    ].join(' ')\n                );\n            }\n            if (count === max) lib.warn(`Too many '${name}' warnings - additional warnings will be suppressed.`);\n            opts.count++;\n\n            return fallbackValue;\n        }\n\n        if (parsedOp === '*') value *= parsedNumber;\n        if (parsedOp === '/') value /= parsedNumber;\n\n        if (format) {\n            var fmt;\n            if (format[0] === ':') {\n                fmt = locale ? locale.numberFormat : lib.numberFormat;\n                if (value !== '') {\n                    // e.g. skip missing data on heatmap\n                    value = fmt(format.replace(TEMPLATE_STRING_FORMAT_SEPARATOR, ''))(value);\n                }\n            }\n","sourceCodeStart":1133,"sourceCodeEnd":1169,"githubUrl":"https://github.com/plotly/plotly.js/blob/1d090e0b5ffb8d0fdf6e0e4ff51d3f3cf67f1314/src/lib/index.js#L1133-L1169","documentation":"The templater counts how many times it has warned about missing variables per template name (`opts.count`) and caps it at `opts.max`. When the cap is reached it emits this suppression notice so repeated identical warnings do not flood the console; subsequent missing-variable warnings for that template are silenced.","triggerScenarios":"Rendering many strings (or one string many times, e.g. ticks/labels) through the same templater with missing variables, so the missing-variable warning for that `name` fires `max` times in a row.","commonSituations":"Axis tick templates like %{x} applied to hundreds of ticks where the referenced variable is undefined, batch relayout operations re-rendering templated text, or data arrays where a field is undefined on many points.","solutions":["Fix the underlying missing variable (see error 21) so the warnings stop.","Pass explicit `max`/`count` options to raise or lower the warning cap when debugging.","Pre-validate your data so the templated variable is defined for every rendered item.","Ignore the suppression notice itself; it is informational and points to the earlier warnings."],"exampleFix":"// before\ntemplate('tick: ${v}', undefined); // per-tick, hundreds of warnings\n// after\nticks.map(t => template('tick: ${v}', { v: t ?? 0 }));","handlingStrategy":"validation","validationCode":"// ensure every rendered item has the templated field defined\nconst safe = items.every(it => it && it.v !== undefined);\nif (!safe) console.warn('some items lack the templated variable');","typeGuard":"function allHaveField(items, key) { return Array.isArray(items) && items.every(it => it != null && it[key] !== undefined); }","tryCatchPattern":null,"preventionTips":["Treat this suppression notice as a signal to fix the missing-variable warnings it caps.","Pre-normalize data so templated fields are always defined.","When debugging, render one item first instead of hundreds to see the raw warnings."],"tags":["templating","warning-suppression","console-spam"],"backgroundTag":"warning-suppression-threshold","analyzedSha":"1d090e0b5ffb8d0fdf6e0e4ff51d3f3cf67f1314","analyzedAt":"2026-09-02T22:03:39.906Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-10T02:17:09.455Z"}