{"version":3,"file":"taiga-ui-cdk-directives-truncate.mjs","sources":["../../../projects/cdk/directives/truncate/truncate.service.ts","../../../projects/cdk/directives/truncate/truncate.directive.ts","../../../projects/cdk/directives/truncate/taiga-ui-cdk-directives-truncate.ts"],"sourcesContent":["import {DOCUMENT, isPlatformBrowser} from '@angular/common';\nimport {inject, Injectable, PLATFORM_ID} from '@angular/core';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\n\nconst ELLIPSIS = '\\u2026';\n\n@Injectable()\nexport class TuiTruncateService {\n    private readonly el = tuiInjectElement();\n    private readonly ctx = isPlatformBrowser(inject(PLATFORM_ID))\n        ? inject(DOCUMENT).createElement('canvas').getContext('2d')\n        : null;\n\n    public truncate(text: string, lines: number): string {\n        if (!this.ctx || !text || lines < 1) {\n            return text;\n        }\n\n        const style = getComputedStyle(this.el);\n        const fontFamily = style.fontFamily || 'sans-serif';\n        const fontSize = style.fontSize || '14px';\n        const fontWeight = style.fontWeight || '400';\n        const paddingLeft = Number.parseFloat(style.paddingLeft) || 0;\n        const paddingRight = Number.parseFloat(style.paddingRight) || 0;\n        const availableWidth = this.el.clientWidth - paddingLeft - paddingRight;\n        const safeWidth = Math.max(1, availableWidth - 4);\n\n        this.ctx.font = `${fontWeight} ${fontSize} ${fontFamily}`;\n\n        if (this.getLines(text, safeWidth).length <= lines) {\n            return text;\n        }\n\n        let low = 1;\n        let high = Math.max(1, text.length - ELLIPSIS.length);\n        let best = truncate(text, 1, 0);\n\n        while (low <= high) {\n            const keepLength = Math.floor((low + high) / 2);\n            const normalized = Math.max(1, keepLength);\n            const left = Math.ceil(normalized / 2);\n            const right = Math.floor(normalized / 2);\n            const candidate = truncate(text, left, right);\n            const candidateLines = this.getLines(candidate, safeWidth).length;\n\n            if (candidateLines <= lines) {\n                best = candidate;\n                low = keepLength + 1;\n            } else {\n                high = keepLength - 1;\n            }\n        }\n\n        return this.getLines(best, safeWidth).slice(0, lines).join(' ');\n    }\n\n    private getLines(text: string, maxWidth: number): string[] {\n        if (!this.ctx || !text) {\n            return [];\n        }\n\n        const words = text.split(' ');\n        const lines: string[] = [];\n        let currentLine = '';\n\n        for (const word of words) {\n            const candidate = currentLine ? `${currentLine} ${word}` : word;\n\n            if (this.ctx.measureText(candidate).width <= maxWidth) {\n                currentLine = candidate;\n                continue;\n            }\n\n            if (currentLine) {\n                lines.push(currentLine);\n                currentLine = '';\n            }\n\n            if (this.ctx.measureText(word).width <= maxWidth) {\n                currentLine = word;\n                continue;\n            }\n\n            let chunk = '';\n\n            for (const char of word) {\n                const nextChunk = `${chunk}${char}`;\n\n                if (this.ctx.measureText(nextChunk).width <= maxWidth) {\n                    chunk = nextChunk;\n                } else {\n                    if (chunk) {\n                        lines.push(chunk);\n                    }\n\n                    chunk = char;\n                }\n            }\n\n            currentLine = chunk;\n        }\n\n        if (currentLine) {\n            lines.push(currentLine);\n        }\n\n        return lines;\n    }\n}\n\nfunction truncate(text: string, left: number, right: number): string {\n    return `${text.slice(0, left)}${ELLIPSIS}${right > 0 ? text.slice(-right) : ''}`;\n}\n","import {\n    ChangeDetectionStrategy,\n    Component,\n    computed,\n    Directive,\n    inject,\n    input,\n    ViewEncapsulation,\n} from '@angular/core';\nimport {toSignal} from '@angular/core/rxjs-interop';\nimport {\n    WA_MUTATION_OBSERVER_INIT,\n    WaMutationObserverService,\n} from '@ng-web-apis/mutation-observer';\nimport {WaResizeObserverService} from '@ng-web-apis/resize-observer';\nimport {TUI_VERSION} from '@taiga-ui/cdk/constants';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {tuiWithStyles} from '@taiga-ui/cdk/utils/miscellaneous';\nimport {map} from 'rxjs';\n\nimport {TuiTruncateService} from './truncate.service';\n\n@Component({\n    template: '',\n    styles: `\n        [data-tui-version='${TUI_VERSION}'] {\n            @import './truncate.styles.less';\n        }\n    `,\n    encapsulation: ViewEncapsulation.None,\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    exportAs: `tui-truncate-${TUI_VERSION}`,\n})\nclass Styles {}\n\n@Directive({\n    selector: '[tuiTruncate]',\n    providers: [\n        TuiTruncateService,\n        WaResizeObserverService,\n        WaMutationObserverService,\n        {\n            provide: WA_MUTATION_OBSERVER_INIT,\n            useValue: {\n                attributes: true,\n                characterData: true,\n                subtree: true,\n            },\n        },\n    ],\n    host: {\n        tuiTruncate: '',\n        'data-tui-version': TUI_VERSION,\n        '[attr.data-lines]': 'lines()',\n        '[attr.data-text]': 'truncated()',\n        '[style.-webkit-line-clamp]': 'lines()',\n    },\n})\nexport class TuiTruncate {\n    private readonly service = inject(TuiTruncateService);\n    private readonly el = tuiInjectElement();\n    private readonly width = toSignal(\n        inject(WaResizeObserverService).pipe(map(([e]) => e?.contentRect.width ?? 0)),\n        {initialValue: 0},\n    );\n\n    protected readonly text = toSignal(\n        inject(WaMutationObserverService).pipe(map(() => this.innerText)),\n        {initialValue: this.innerText},\n    );\n\n    protected readonly nothing = tuiWithStyles(Styles);\n\n    public readonly lines = input(1, {\n        alias: 'tuiTruncate',\n        transform: (value: number | string) => Math.max(Number(value) || 1, 1),\n    });\n\n    public readonly truncated = computed((_ = this.width()) =>\n        this.service.truncate(this.text(), this.lines()),\n    );\n\n    private get innerText(): string {\n        return this.el.innerText.trim();\n    }\n}\n","/**\n * Generated bundle index. 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