diff options
Diffstat (limited to 'node_modules/xterm/src/common/services/OptionsService.ts')
| -rw-r--r-- | node_modules/xterm/src/common/services/OptionsService.ts | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/node_modules/xterm/src/common/services/OptionsService.ts b/node_modules/xterm/src/common/services/OptionsService.ts new file mode 100644 index 0000000..43fe998 --- /dev/null +++ b/node_modules/xterm/src/common/services/OptionsService.ts @@ -0,0 +1,177 @@ +/** + * Copyright (c) 2019 The xterm.js authors. All rights reserved. + * @license MIT + */ + +import { IOptionsService, ITerminalOptions, FontWeight } from 'common/services/Services'; +import { EventEmitter, IEvent } from 'common/EventEmitter'; +import { isMac } from 'common/Platform'; + +// Source: https://freesound.org/people/altemark/sounds/45759/ +// This sound is released under the Creative Commons Attribution 3.0 Unported +// (CC BY 3.0) license. It was created by 'altemark'. No modifications have been +// made, apart from the conversion to base64. +export const DEFAULT_BELL_SOUND = 'data:audio/mp3;base64,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'; + +export const DEFAULT_OPTIONS: Readonly<ITerminalOptions> = { + cols: 80, + rows: 24, + cursorBlink: false, + cursorStyle: 'block', + cursorWidth: 1, + customGlyphs: true, + bellSound: DEFAULT_BELL_SOUND, + bellStyle: 'none', + drawBoldTextInBrightColors: true, + fastScrollModifier: 'alt', + fastScrollSensitivity: 5, + fontFamily: 'courier-new, courier, monospace', + fontSize: 15, + fontWeight: 'normal', + fontWeightBold: 'bold', + lineHeight: 1.0, + linkTooltipHoverDuration: 500, + letterSpacing: 0, + logLevel: 'info', + scrollback: 1000, + scrollSensitivity: 1, + screenReaderMode: false, + macOptionIsMeta: false, + macOptionClickForcesSelection: false, + minimumContrastRatio: 1, + disableStdin: false, + allowProposedApi: true, + allowTransparency: false, + tabStopWidth: 8, + theme: {}, + rightClickSelectsWord: isMac, + rendererType: 'canvas', + windowOptions: {}, + windowsMode: false, + wordSeparator: ' ()[]{}\',"`', + altClickMovesCursor: true, + convertEol: false, + termName: 'xterm', + cancelEvents: false +}; + +const FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900']; + +export class OptionsService implements IOptionsService { + public serviceBrand: any; + + public readonly rawOptions: ITerminalOptions; + public options: ITerminalOptions; + + private _onOptionChange = new EventEmitter<string>(); + public get onOptionChange(): IEvent<string> { return this._onOptionChange.event; } + + constructor(options: Partial<ITerminalOptions>) { + // set the default value of each option + const defaultOptions = { ...DEFAULT_OPTIONS }; + for (const key in options) { + if (key in defaultOptions) { + try { + const newValue = options[key]; + defaultOptions[key] = this._sanitizeAndValidateOption(key, newValue); + } catch (e) { + console.error(e); + } + } + } + + // set up getters and setters for each option + this.rawOptions = defaultOptions; + this.options = { ... defaultOptions }; + this._setupOptions(); + } + + private _setupOptions(): void { + const getter = (propName: string): any => { + if (!(propName in DEFAULT_OPTIONS)) { + throw new Error(`No option with key "${propName}"`); + } + return this.rawOptions[propName]; + }; + + const setter = (propName: string, value: any): void => { + if (!(propName in DEFAULT_OPTIONS)) { + throw new Error(`No option with key "${propName}"`); + } + + value = this._sanitizeAndValidateOption(propName, value); + // Don't fire an option change event if they didn't change + if (this.rawOptions[propName] !== value) { + this.rawOptions[propName] = value; + this._onOptionChange.fire(propName); + } + }; + + for (const propName in this.rawOptions) { + const desc = { + get: getter.bind(this, propName), + set: setter.bind(this, propName) + }; + Object.defineProperty(this.options, propName, desc); + } + } + + public setOption(key: string, value: any): void { + this.options[key] = value; + } + + private _sanitizeAndValidateOption(key: string, value: any): any { + switch (key) { + case 'bellStyle': + case 'cursorStyle': + case 'rendererType': + case 'wordSeparator': + if (!value) { + value = DEFAULT_OPTIONS[key]; + } + break; + case 'fontWeight': + case 'fontWeightBold': + if (typeof value === 'number' && 1 <= value && value <= 1000) { + // already valid numeric value + break; + } + value = FONT_WEIGHT_OPTIONS.includes(value) ? value : DEFAULT_OPTIONS[key]; + break; + case 'cursorWidth': + value = Math.floor(value); + // Fall through for bounds check + case 'lineHeight': + case 'tabStopWidth': + if (value < 1) { + throw new Error(`${key} cannot be less than 1, value: ${value}`); + } + break; + case 'minimumContrastRatio': + value = Math.max(1, Math.min(21, Math.round(value * 10) / 10)); + break; + case 'scrollback': + value = Math.min(value, 4294967295); + if (value < 0) { + throw new Error(`${key} cannot be less than 0, value: ${value}`); + } + break; + case 'fastScrollSensitivity': + case 'scrollSensitivity': + if (value <= 0) { + throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`); + } + case 'rows': + case 'cols': + if (!value && value !== 0) { + throw new Error(`${key} must be numeric, value: ${value}`); + } + break; + } + return value; + } + + public getOption(key: string): any { + return this.options[key]; + } +} |