我的node项目首次提交!!!
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115
node_modules/fast-decode-uri-component/index.js
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115
node_modules/fast-decode-uri-component/index.js
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'use strict'
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var UTF8_ACCEPT = 12
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var UTF8_REJECT = 0
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var UTF8_DATA = [
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// The first part of the table maps bytes to character to a transition.
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 7, 7,
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10, 9, 9, 9, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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// The second part of the table maps a state to a new state when adding a
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// transition.
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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12, 0, 0, 0, 0, 24, 36, 48, 60, 72, 84, 96,
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0, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 24, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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// The third part maps the current transition to a mask that needs to apply
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// to the byte.
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0x7F, 0x3F, 0x3F, 0x3F, 0x00, 0x1F, 0x0F, 0x0F, 0x0F, 0x07, 0x07, 0x07
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]
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function decodeURIComponent (uri) {
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var percentPosition = uri.indexOf('%')
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if (percentPosition === -1) return uri
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var length = uri.length
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var decoded = ''
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var last = 0
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var codepoint = 0
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var startOfOctets = percentPosition
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var state = UTF8_ACCEPT
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while (percentPosition > -1 && percentPosition < length) {
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var high = hexCodeToInt(uri[percentPosition + 1], 4)
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var low = hexCodeToInt(uri[percentPosition + 2], 0)
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var byte = high | low
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var type = UTF8_DATA[byte]
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state = UTF8_DATA[256 + state + type]
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codepoint = (codepoint << 6) | (byte & UTF8_DATA[364 + type])
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if (state === UTF8_ACCEPT) {
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decoded += uri.slice(last, startOfOctets)
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decoded += (codepoint <= 0xFFFF)
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? String.fromCharCode(codepoint)
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: String.fromCharCode(
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(0xD7C0 + (codepoint >> 10)),
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(0xDC00 + (codepoint & 0x3FF))
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)
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codepoint = 0
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last = percentPosition + 3
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percentPosition = startOfOctets = uri.indexOf('%', last)
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} else if (state === UTF8_REJECT) {
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return null
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} else {
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percentPosition += 3
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if (percentPosition < length && uri.charCodeAt(percentPosition) === 37) continue
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return null
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}
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}
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return decoded + uri.slice(last)
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}
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var HEX = {
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'0': 0,
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'1': 1,
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'2': 2,
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'3': 3,
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'4': 4,
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'5': 5,
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'6': 6,
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'7': 7,
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'8': 8,
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'9': 9,
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'a': 10,
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'A': 10,
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'b': 11,
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'B': 11,
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'c': 12,
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'C': 12,
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'd': 13,
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'D': 13,
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'e': 14,
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'E': 14,
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'f': 15,
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'F': 15
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}
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function hexCodeToInt (c, shift) {
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var i = HEX[c]
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return i === undefined ? 255 : i << shift
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}
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module.exports = decodeURIComponent
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