2022-06-01 22:59:29 +00:00
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---
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sidebar_position: 2
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---
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# Cell Object
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Cell objects are plain JS objects with keys and values following the convention:
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| Key | Description |
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| --- | ---------------------------------------------------------------------- |
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| | **Core Cell Properties** ([More Info](#data-types)) |
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| `v` | raw value (number, string, Date object, boolean) |
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| `t` | type: `b` Boolean, `e` Error, `n` Number, `d` Date, `s` Text, `z` Stub |
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| | **Number Formats** ([More Info](./features#number-formats)) |
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| `z` | number format string associated with the cell (if requested) |
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| `w` | formatted text (if applicable) |
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| | **Formulae** ([More Info](./features/formulae)) |
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| `f` | cell formula encoded as an A1-style string (if applicable) |
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| `F` | range of enclosing array if formula is array formula (if applicable) |
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| `D` | if true, array formula is dynamic (if applicable) |
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| | **Other Cell Properties** ([More Info](./features)) |
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| `l` | cell hyperlink and tooltip ([More Info](./features/hyperlinks)) |
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| `c` | cell comments ([More Info](./features#cell-comments)) |
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| `r` | rich text encoding (if applicable) |
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| `h` | HTML rendering of the rich text (if applicable) |
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| `s` | the style/theme of the cell (if applicable) |
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Built-in export utilities (such as the CSV exporter) will use the `w` text if it
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is available. To change a value, be sure to delete `cell.w` (or set it to
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`undefined`) before attempting to export. The utilities will regenerate the `w`
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text from the number format (`cell.z`) and the raw value if possible.
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The actual array formula is stored in the `f` field of the first cell in the
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array range. Other cells in the range will omit the `f` field.
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### Data Types
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The raw value is stored in the `v` value property, interpreted based on the `t`
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type property. This separation allows for representation of numbers as well as
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numeric text. There are 6 valid cell types:
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| Type | Description |
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| :--: | :-------------------------------------------------------------------- |
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| `b` | Boolean: value interpreted as JS `boolean` |
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| `e` | Error: value is a numeric code and `w` property stores common name ** |
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| `n` | Number: value is a JS `number` ** |
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| `d` | Date: value is a JS `Date` object or string to be parsed as Date ** |
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| `s` | Text: value interpreted as JS `string` and written as text ** |
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| `z` | Stub: blank stub cell that is ignored by data processing utilities ** |
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<details>
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<summary><b>Error values and interpretation</b> (click to show)</summary>
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| Value | Error Meaning |
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| -----: | :-------------- |
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| `0x00` | `#NULL!` |
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| `0x07` | `#DIV/0!` |
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| `0x0F` | `#VALUE!` |
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| `0x17` | `#REF!` |
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| `0x1D` | `#NAME?` |
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| `0x24` | `#NUM!` |
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| `0x2A` | `#N/A` |
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| `0x2B` | `#GETTING_DATA` |
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</details>
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Type `n` is the Number type. This includes all forms of data that Excel stores
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as numbers, such as dates/times and Boolean fields. Excel exclusively uses data
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that can be fit in an IEEE754 floating point number, just like JS Number, so the
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`v` field holds the raw number. The `w` field holds formatted text. Dates are
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stored as numbers by default and converted with `XLSX.SSF.parse_date_code`.
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Type `d` is the Date type, generated only when the option `cellDates` is passed.
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Since JSON does not have a natural Date type, parsers are generally expected to
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store ISO 8601 Date strings like you would get from `date.toISOString()`. On
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the other hand, writers and exporters should be able to handle date strings and
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JS Date objects. Note that Excel disregards timezone modifiers and treats all
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dates in the local timezone. The library does not correct for this error.
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2022-06-09 21:43:33 +00:00
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Dates are covered in more detail [in the Dates section](./features/dates)
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2022-06-01 22:59:29 +00:00
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Type `s` is the String type. Values are explicitly stored as text. Excel will
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interpret these cells as "number stored as text". Generated Excel files
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automatically suppress that class of error, but other formats may elicit errors.
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Type `z` represents blank stub cells. They are generated in cases where cells
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have no assigned value but hold comments or other metadata. They are ignored by
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the core library data processing utility functions. By default these cells are
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not generated; the parser `sheetStubs` option must be set to `true`.
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