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author | Michaël Zasso <targos@protonmail.com> | 2017-12-22 16:53:42 +0100 |
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committer | Michaël Zasso <targos@protonmail.com> | 2018-01-11 09:48:05 +0100 |
commit | 3dc30632755713179f345f4af024bd904c6162d0 (patch) | |
tree | f28c4f6dd6dfc5992edf301449d1a371d229755b /tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js | |
parent | a2c7085dd4a8e60d1a47572aca8bb6fcb7a32f88 (diff) | |
download | android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.gz android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.tar.bz2 android-node-v8-3dc30632755713179f345f4af024bd904c6162d0.zip |
tools: move eslint from tools to tools/node_modules
This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.
Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Diffstat (limited to 'tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js')
-rw-r--r-- | tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js b/tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js new file mode 100644 index 0000000000..25a21d829e --- /dev/null +++ b/tools/node_modules/eslint/node_modules/pseudomap/pseudomap.js @@ -0,0 +1,113 @@ +var hasOwnProperty = Object.prototype.hasOwnProperty + +module.exports = PseudoMap + +function PseudoMap (set) { + if (!(this instanceof PseudoMap)) // whyyyyyyy + throw new TypeError("Constructor PseudoMap requires 'new'") + + this.clear() + + if (set) { + if ((set instanceof PseudoMap) || + (typeof Map === 'function' && set instanceof Map)) + set.forEach(function (value, key) { + this.set(key, value) + }, this) + else if (Array.isArray(set)) + set.forEach(function (kv) { + this.set(kv[0], kv[1]) + }, this) + else + throw new TypeError('invalid argument') + } +} + +PseudoMap.prototype.forEach = function (fn, thisp) { + thisp = thisp || this + Object.keys(this._data).forEach(function (k) { + if (k !== 'size') + fn.call(thisp, this._data[k].value, this._data[k].key) + }, this) +} + +PseudoMap.prototype.has = function (k) { + return !!find(this._data, k) +} + +PseudoMap.prototype.get = function (k) { + var res = find(this._data, k) + return res && res.value +} + +PseudoMap.prototype.set = function (k, v) { + set(this._data, k, v) +} + +PseudoMap.prototype.delete = function (k) { + var res = find(this._data, k) + if (res) { + delete this._data[res._index] + this._data.size-- + } +} + +PseudoMap.prototype.clear = function () { + var data = Object.create(null) + data.size = 0 + + Object.defineProperty(this, '_data', { + value: data, + enumerable: false, + configurable: true, + writable: false + }) +} + +Object.defineProperty(PseudoMap.prototype, 'size', { + get: function () { + return this._data.size + }, + set: function (n) {}, + enumerable: true, + configurable: true +}) + +PseudoMap.prototype.values = +PseudoMap.prototype.keys = +PseudoMap.prototype.entries = function () { + throw new Error('iterators are not implemented in this version') +} + +// Either identical, or both NaN +function same (a, b) { + return a === b || a !== a && b !== b +} + +function Entry (k, v, i) { + this.key = k + this.value = v + this._index = i +} + +function find (data, k) { + for (var i = 0, s = '_' + k, key = s; + hasOwnProperty.call(data, key); + key = s + i++) { + if (same(data[key].key, k)) + return data[key] + } +} + +function set (data, k, v) { + for (var i = 0, s = '_' + k, key = s; + hasOwnProperty.call(data, key); + key = s + i++) { + if (same(data[key].key, k)) { + data[key].value = v + return + } + } + data.size++ + data[key] = new Entry(k, v, key) +} |