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(core) Guess numeric formatting options

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Summary:
Change NumberParse.parse to return not just the parsed number but also information it gathered along the way about how the input string was formatted.

Use this in the new NumberParse.guessOptions to guess the actual widget options based on an array of strings.

Use NumberParse.guessOptions in TypeConversion (for when a user explicitly chooses to change type) and in ValueGuesser (for guesses about strings entered into empty columns).

Test Plan: Adds unit tests for NumberParse and ValueGuesser and updates the TypeChange2 nbrowser test.

Reviewers: georgegevoian

Reviewed By: georgegevoian

Differential Revision: https://phab.getgrist.com/D3294
This commit is contained in:
Alex Hall
2022-03-03 20:48:25 +02:00
parent cc1af85594
commit 5213972d24
5 changed files with 182 additions and 20 deletions
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6
app/common/ValueParser.ts
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@@ -6,7 +6,7 @@ import * as gristTypes from 'app/common/gristTypes';
import {getReferencedTableId, isFullReferencingType} from 'app/common/gristTypes';
import * as gutil from 'app/common/gutil';
import {safeJsonParse} from 'app/common/gutil';
import {getCurrency, NumberFormatOptions} from 'app/common/NumberFormat';
import {NumberFormatOptions} from 'app/common/NumberFormat';
import NumberParse from 'app/common/NumberParse';
import {parseDateStrict, parseDateTime} from 'app/common/parseDate';
import {MetaRowRecord, TableData} from 'app/common/TableData';
@@ -53,11 +53,11 @@ export class NumericParser extends ValueParser {
constructor(type: string, options: NumberFormatOptions, docSettings: DocumentSettings) {
super(type, options, docSettings);
this._parse = new NumberParse(docSettings.locale, getCurrency(options, docSettings));
this._parse = NumberParse.fromSettings(docSettings, options);
}
public parse(value: string): number | null {
return this._parse.parse(value);
return this._parse.parse(value)?.result ?? null;
}
}