1 | declare module 'node:repl' {
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2 | export * from 'repl';
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3 | }
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4 |
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5 | declare module 'repl' {
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6 | import { Interface, Completer, AsyncCompleter } from 'node:readline';
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7 | import { Context } from 'node:vm';
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8 | import { InspectOptions } from 'node:util';
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9 |
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10 | interface ReplOptions {
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11 | /**
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12 | * The input prompt to display.
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13 | * Default: `"> "`
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14 | */
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15 | prompt?: string;
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16 | /**
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17 | * The `Readable` stream from which REPL input will be read.
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18 | * Default: `process.stdin`
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19 | */
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20 | input?: NodeJS.ReadableStream;
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21 | /**
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22 | * The `Writable` stream to which REPL output will be written.
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23 | * Default: `process.stdout`
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24 | */
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25 | output?: NodeJS.WritableStream;
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26 | /**
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27 | * If `true`, specifies that the output should be treated as a TTY terminal, and have
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28 | * ANSI/VT100 escape codes written to it.
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29 | * Default: checking the value of the `isTTY` property on the output stream upon
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30 | * instantiation.
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31 | */
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32 | terminal?: boolean;
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33 | /**
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34 | * The function to be used when evaluating each given line of input.
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35 | * Default: an async wrapper for the JavaScript `eval()` function. An `eval` function can
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36 | * error with `repl.Recoverable` to indicate the input was incomplete and prompt for
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37 | * additional lines.
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38 | *
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39 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_default_evaluation
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40 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_custom_evaluation_functions
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41 | */
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42 | eval?: REPLEval;
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43 | /**
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44 | * Defines if the repl prints output previews or not.
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45 | * @default `true` Always `false` in case `terminal` is falsy.
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46 | */
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47 | preview?: boolean;
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48 | /**
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49 | * If `true`, specifies that the default `writer` function should include ANSI color
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50 | * styling to REPL output. If a custom `writer` function is provided then this has no
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51 | * effect.
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52 | * Default: the REPL instance's `terminal` value.
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53 | */
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54 | useColors?: boolean;
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55 | /**
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56 | * If `true`, specifies that the default evaluation function will use the JavaScript
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57 | * `global` as the context as opposed to creating a new separate context for the REPL
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58 | * instance. The node CLI REPL sets this value to `true`.
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59 | * Default: `false`.
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60 | */
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61 | useGlobal?: boolean;
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62 | /**
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63 | * If `true`, specifies that the default writer will not output the return value of a
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64 | * command if it evaluates to `undefined`.
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65 | * Default: `false`.
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66 | */
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67 | ignoreUndefined?: boolean;
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68 | /**
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69 | * The function to invoke to format the output of each command before writing to `output`.
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70 | * Default: a wrapper for `util.inspect`.
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71 | *
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72 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_customizing_repl_output
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73 | */
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74 | writer?: REPLWriter;
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75 | /**
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76 | * An optional function used for custom Tab auto completion.
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77 | *
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78 | * @see https://nodejs.org/dist/latest-v11.x/docs/api/readline.html#readline_use_of_the_completer_function
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79 | */
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80 | completer?: Completer | AsyncCompleter;
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81 | /**
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82 | * A flag that specifies whether the default evaluator executes all JavaScript commands in
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83 | * strict mode or default (sloppy) mode.
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84 | * Accepted values are:
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85 | * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
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86 | * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
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87 | * prefacing every repl statement with `'use strict'`.
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88 | */
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89 | replMode?: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT;
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90 | /**
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91 | * Stop evaluating the current piece of code when `SIGINT` is received, i.e. `Ctrl+C` is
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92 | * pressed. This cannot be used together with a custom `eval` function.
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93 | * Default: `false`.
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94 | */
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95 | breakEvalOnSigint?: boolean;
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96 | }
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97 |
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98 | type REPLEval = (this: REPLServer, evalCmd: string, context: Context, file: string, cb: (err: Error | null, result: any) => void) => void;
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99 | type REPLWriter = (this: REPLServer, obj: any) => string;
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100 |
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101 | /**
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102 | * This is the default "writer" value, if none is passed in the REPL options,
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103 | * and it can be overridden by custom print functions.
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104 | */
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105 | const writer: REPLWriter & { options: InspectOptions };
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106 |
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107 | type REPLCommandAction = (this: REPLServer, text: string) => void;
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108 |
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109 | interface REPLCommand {
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110 | /**
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111 | * Help text to be displayed when `.help` is entered.
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112 | */
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113 | help?: string;
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114 | /**
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115 | * The function to execute, optionally accepting a single string argument.
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116 | */
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117 | action: REPLCommandAction;
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118 | }
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119 |
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120 | /**
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121 | * Provides a customizable Read-Eval-Print-Loop (REPL).
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122 | *
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123 | * Instances of `repl.REPLServer` will accept individual lines of user input, evaluate those
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124 | * according to a user-defined evaluation function, then output the result. Input and output
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125 | * may be from `stdin` and `stdout`, respectively, or may be connected to any Node.js `stream`.
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126 | *
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127 | * Instances of `repl.REPLServer` support automatic completion of inputs, simplistic Emacs-style
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128 | * line editing, multi-line inputs, ANSI-styled output, saving and restoring current REPL session
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129 | * state, error recovery, and customizable evaluation functions.
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130 | *
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131 | * Instances of `repl.REPLServer` are created using the `repl.start()` method and _should not_
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132 | * be created directly using the JavaScript `new` keyword.
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133 | *
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134 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_repl
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135 | */
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136 | class REPLServer extends Interface {
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137 | /**
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138 | * The `vm.Context` provided to the `eval` function to be used for JavaScript
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139 | * evaluation.
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140 | */
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141 | readonly context: Context;
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142 | /**
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143 | * @deprecated since v14.3.0 - Use `input` instead.
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144 | */
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145 | readonly inputStream: NodeJS.ReadableStream;
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146 | /**
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147 | * @deprecated since v14.3.0 - Use `output` instead.
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148 | */
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149 | readonly outputStream: NodeJS.WritableStream;
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150 | /**
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151 | * The `Readable` stream from which REPL input will be read.
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152 | */
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153 | readonly input: NodeJS.ReadableStream;
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154 | /**
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155 | * The `Writable` stream to which REPL output will be written.
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156 | */
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157 | readonly output: NodeJS.WritableStream;
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158 | /**
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159 | * The commands registered via `replServer.defineCommand()`.
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160 | */
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161 | readonly commands: NodeJS.ReadOnlyDict<REPLCommand>;
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162 | /**
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163 | * A value indicating whether the REPL is currently in "editor mode".
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164 | *
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165 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_commands_and_special_keys
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166 | */
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167 | readonly editorMode: boolean;
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168 | /**
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169 | * A value indicating whether the `_` variable has been assigned.
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170 | *
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171 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
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172 | */
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173 | readonly underscoreAssigned: boolean;
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174 | /**
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175 | * The last evaluation result from the REPL (assigned to the `_` variable inside of the REPL).
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176 | *
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177 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
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178 | */
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179 | readonly last: any;
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180 | /**
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181 | * A value indicating whether the `_error` variable has been assigned.
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182 | *
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183 | * @since v9.8.0
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184 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
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185 | */
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186 | readonly underscoreErrAssigned: boolean;
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187 | /**
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188 | * The last error raised inside the REPL (assigned to the `_error` variable inside of the REPL).
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189 | *
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190 | * @since v9.8.0
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191 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
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192 | */
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193 | readonly lastError: any;
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194 | /**
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195 | * Specified in the REPL options, this is the function to be used when evaluating each
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196 | * given line of input. If not specified in the REPL options, this is an async wrapper
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197 | * for the JavaScript `eval()` function.
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198 | */
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199 | readonly eval: REPLEval;
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200 | /**
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201 | * Specified in the REPL options, this is a value indicating whether the default
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202 | * `writer` function should include ANSI color styling to REPL output.
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203 | */
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204 | readonly useColors: boolean;
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205 | /**
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206 | * Specified in the REPL options, this is a value indicating whether the default `eval`
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207 | * function will use the JavaScript `global` as the context as opposed to creating a new
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208 | * separate context for the REPL instance.
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209 | */
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210 | readonly useGlobal: boolean;
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211 | /**
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212 | * Specified in the REPL options, this is a value indicating whether the default `writer`
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213 | * function should output the result of a command if it evaluates to `undefined`.
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214 | */
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215 | readonly ignoreUndefined: boolean;
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216 | /**
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217 | * Specified in the REPL options, this is the function to invoke to format the output of
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218 | * each command before writing to `outputStream`. If not specified in the REPL options,
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219 | * this will be a wrapper for `util.inspect`.
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220 | */
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221 | readonly writer: REPLWriter;
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222 | /**
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223 | * Specified in the REPL options, this is the function to use for custom Tab auto-completion.
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224 | */
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225 | readonly completer: Completer | AsyncCompleter;
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226 | /**
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227 | * Specified in the REPL options, this is a flag that specifies whether the default `eval`
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228 | * function should execute all JavaScript commands in strict mode or default (sloppy) mode.
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229 | * Possible values are:
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230 | * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
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231 | * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
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232 | * prefacing every repl statement with `'use strict'`.
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233 | */
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234 | readonly replMode: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT;
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235 |
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236 | /**
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237 | * NOTE: According to the documentation:
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238 | *
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239 | * > Instances of `repl.REPLServer` are created using the `repl.start()` method and
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240 | * > _should not_ be created directly using the JavaScript `new` keyword.
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241 | *
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242 | * `REPLServer` cannot be subclassed due to implementation specifics in NodeJS.
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243 | *
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244 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_class_replserver
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245 | */
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246 | private constructor();
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247 |
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248 | /**
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249 | * Used to add new `.`-prefixed commands to the REPL instance. Such commands are invoked
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250 | * by typing a `.` followed by the `keyword`.
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251 | *
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252 | * @param keyword The command keyword (_without_ a leading `.` character).
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253 | * @param cmd The function to invoke when the command is processed.
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254 | *
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255 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_replserver_definecommand_keyword_cmd
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256 | */
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257 | defineCommand(keyword: string, cmd: REPLCommandAction | REPLCommand): void;
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258 | /**
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259 | * Readies the REPL instance for input from the user, printing the configured `prompt` to a
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260 | * new line in the `output` and resuming the `input` to accept new input.
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261 | *
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262 | * When multi-line input is being entered, an ellipsis is printed rather than the 'prompt'.
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263 | *
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264 | * This method is primarily intended to be called from within the action function for
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265 | * commands registered using the `replServer.defineCommand()` method.
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266 | *
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267 | * @param preserveCursor When `true`, the cursor placement will not be reset to `0`.
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268 | */
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269 | displayPrompt(preserveCursor?: boolean): void;
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270 | /**
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271 | * Clears any command that has been buffered but not yet executed.
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272 | *
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273 | * This method is primarily intended to be called from within the action function for
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274 | * commands registered using the `replServer.defineCommand()` method.
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275 | *
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276 | * @since v9.0.0
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277 | */
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278 | clearBufferedCommand(): void;
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279 |
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280 | /**
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281 | * Initializes a history log file for the REPL instance. When executing the
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282 | * Node.js binary and using the command line REPL, a history file is initialized
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283 | * by default. However, this is not the case when creating a REPL
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284 | * programmatically. Use this method to initialize a history log file when working
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285 | * with REPL instances programmatically.
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286 | * @param path The path to the history file
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287 | */
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288 | setupHistory(path: string, cb: (err: Error | null, repl: this) => void): void;
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289 |
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290 | /**
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291 | * events.EventEmitter
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292 | * 1. close - inherited from `readline.Interface`
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293 | * 2. line - inherited from `readline.Interface`
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294 | * 3. pause - inherited from `readline.Interface`
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295 | * 4. resume - inherited from `readline.Interface`
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296 | * 5. SIGCONT - inherited from `readline.Interface`
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297 | * 6. SIGINT - inherited from `readline.Interface`
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298 | * 7. SIGTSTP - inherited from `readline.Interface`
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299 | * 8. exit
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300 | * 9. reset
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301 | */
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302 |
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303 | addListener(event: string, listener: (...args: any[]) => void): this;
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304 | addListener(event: "close", listener: () => void): this;
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305 | addListener(event: "line", listener: (input: string) => void): this;
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306 | addListener(event: "pause", listener: () => void): this;
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307 | addListener(event: "resume", listener: () => void): this;
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308 | addListener(event: "SIGCONT", listener: () => void): this;
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309 | addListener(event: "SIGINT", listener: () => void): this;
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310 | addListener(event: "SIGTSTP", listener: () => void): this;
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311 | addListener(event: "exit", listener: () => void): this;
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312 | addListener(event: "reset", listener: (context: Context) => void): this;
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313 |
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314 | emit(event: string | symbol, ...args: any[]): boolean;
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315 | emit(event: "close"): boolean;
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316 | emit(event: "line", input: string): boolean;
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317 | emit(event: "pause"): boolean;
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318 | emit(event: "resume"): boolean;
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319 | emit(event: "SIGCONT"): boolean;
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320 | emit(event: "SIGINT"): boolean;
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321 | emit(event: "SIGTSTP"): boolean;
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322 | emit(event: "exit"): boolean;
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323 | emit(event: "reset", context: Context): boolean;
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324 |
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325 | on(event: string, listener: (...args: any[]) => void): this;
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326 | on(event: "close", listener: () => void): this;
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327 | on(event: "line", listener: (input: string) => void): this;
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328 | on(event: "pause", listener: () => void): this;
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329 | on(event: "resume", listener: () => void): this;
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330 | on(event: "SIGCONT", listener: () => void): this;
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331 | on(event: "SIGINT", listener: () => void): this;
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332 | on(event: "SIGTSTP", listener: () => void): this;
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333 | on(event: "exit", listener: () => void): this;
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334 | on(event: "reset", listener: (context: Context) => void): this;
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335 |
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336 | once(event: string, listener: (...args: any[]) => void): this;
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337 | once(event: "close", listener: () => void): this;
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338 | once(event: "line", listener: (input: string) => void): this;
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339 | once(event: "pause", listener: () => void): this;
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340 | once(event: "resume", listener: () => void): this;
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341 | once(event: "SIGCONT", listener: () => void): this;
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342 | once(event: "SIGINT", listener: () => void): this;
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343 | once(event: "SIGTSTP", listener: () => void): this;
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344 | once(event: "exit", listener: () => void): this;
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345 | once(event: "reset", listener: (context: Context) => void): this;
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346 |
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347 | prependListener(event: string, listener: (...args: any[]) => void): this;
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348 | prependListener(event: "close", listener: () => void): this;
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349 | prependListener(event: "line", listener: (input: string) => void): this;
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350 | prependListener(event: "pause", listener: () => void): this;
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351 | prependListener(event: "resume", listener: () => void): this;
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352 | prependListener(event: "SIGCONT", listener: () => void): this;
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353 | prependListener(event: "SIGINT", listener: () => void): this;
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354 | prependListener(event: "SIGTSTP", listener: () => void): this;
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355 | prependListener(event: "exit", listener: () => void): this;
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356 | prependListener(event: "reset", listener: (context: Context) => void): this;
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357 |
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358 | prependOnceListener(event: string, listener: (...args: any[]) => void): this;
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359 | prependOnceListener(event: "close", listener: () => void): this;
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360 | prependOnceListener(event: "line", listener: (input: string) => void): this;
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361 | prependOnceListener(event: "pause", listener: () => void): this;
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362 | prependOnceListener(event: "resume", listener: () => void): this;
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363 | prependOnceListener(event: "SIGCONT", listener: () => void): this;
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364 | prependOnceListener(event: "SIGINT", listener: () => void): this;
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365 | prependOnceListener(event: "SIGTSTP", listener: () => void): this;
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366 | prependOnceListener(event: "exit", listener: () => void): this;
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367 | prependOnceListener(event: "reset", listener: (context: Context) => void): this;
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368 | }
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369 |
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370 | /**
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371 | * A flag passed in the REPL options. Evaluates expressions in sloppy mode.
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372 | */
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373 | const REPL_MODE_SLOPPY: unique symbol;
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374 |
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375 | /**
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376 | * A flag passed in the REPL options. Evaluates expressions in strict mode.
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377 | * This is equivalent to prefacing every repl statement with `'use strict'`.
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378 | */
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379 | const REPL_MODE_STRICT: unique symbol;
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380 |
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381 | /**
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382 | * Creates and starts a `repl.REPLServer` instance.
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383 | *
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384 | * @param options The options for the `REPLServer`. If `options` is a string, then it specifies
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385 | * the input prompt.
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386 | */
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387 | function start(options?: string | ReplOptions): REPLServer;
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388 |
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389 | /**
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390 | * Indicates a recoverable error that a `REPLServer` can use to support multi-line input.
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391 | *
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392 | * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_recoverable_errors
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393 | */
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394 | class Recoverable extends SyntaxError {
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395 | err: Error;
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396 |
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397 | constructor(err: Error);
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398 | }
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399 | }
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