42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package lipgloss
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import (
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"strings"
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"github.com/muesli/reflow/ansi"
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)
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// Width returns the cell width of characters in the string. ANSI sequences are
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// ignored and characters wider than one cell (such as Chinese characters and
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// emojis) are appropriately measured.
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//
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// You should use this instead of len(string) len([]rune(string) as neither
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// will give you accurate results.
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func Width(str string) (width int) {
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for _, l := range strings.Split(str, "\n") {
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w := ansi.PrintableRuneWidth(l)
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if w > width {
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width = w
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}
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}
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return width
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}
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// Height returns height of a string in cells. This is done simply by
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// counting \n characters. If your strings use \r\n for newlines you should
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// convert them to \n first, or simply write a separate function for measuring
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// height.
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func Height(str string) int {
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return strings.Count(str, "\n") + 1
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}
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// Size returns the width and height of the string in cells. ANSI sequences are
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// ignored and characters wider than one cell (such as Chinese characters and
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// emojis) are appropriately measured.
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func Size(str string) (width, height int) {
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width = Width(str)
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height = Height(str)
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return width, height
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}
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